UW Medicine Seattle Marathon Training Plan 2026: Course, Hills, Weather, Pacing & BQ Strategy

A Thanksgiving-weekend Seattle tradition through city streets, bridges, parks, trails, and the damp late-November weather that defines Pacific Northwest racing. The UW Medicine Seattle Marathon is scenic, memorable, and Boston-eligible — but it is not a free-speed course. Here is the honest read on the hills, the likely 2026 route template, the weather, the BQ math, and how to build a training plan that prepares you for the real race: controlled early climbing, efficient middle miles, and enough left for Magnolia.

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The Seattle Marathon at a Glance

The 2026 UW Medicine Seattle Marathon takes place on Sunday, November 29 — Thanksgiving weekend — making it one of the few major American city marathons tied to a holiday tradition. The full marathon starts at 7:30 AM from 5th Ave N & Harrison St, near Seattle Center and the Museum of Pop Culture. The half marathon starts earlier at 7:00 AM. The finish is at Bell Harbor Pier 66 on the downtown waterfront — a point-to-point course of 26.2 miles through Seattle’s most compelling running terrain.

The course visits Capitol Hill, Interlaken Park, the Washington Park Arboretum, the University of Washington campus, the Burke-Gilman Trail, Gas Works Park, Fremont, Interbay, and the Magnolia neighborhood before descending to the waterfront finish. It is a genuine city marathon with character and variety — and with approximately 900–950 feet of cumulative gain, it asks for specific preparation.

The simplest way to understand Seattle: this is a mid-sized, hilly city marathon that rewards athletes who train for rolling and late-race climbing, pace conservatively through the first four miles, and arrive ready to survive Magnolia rather than surprised by it.

Official nameUW Medicine Seattle Marathon & Half Marathon
DateSunday, November 29, 2026
Full marathon start7:30 AM PT
Half marathon start7:00 AM PT
Start5th Ave N & Harrison St, Seattle Center
FinishBell Harbor Pier 66, downtown waterfront
Course typePoint-to-point
Elevation gain~900–950 ft (~274–290 m)
Elevation loss~1,000–1,030 ft (~305–314 m)
Net profileSlight net downhill — but functionally hilly
BQ eligibleHistorically certified; 2026 certification pending final publication
Time limit7 hours
Marathon finishers (2025)~2,470
Race weekendThanksgiving weekend — Fri–Sun, Nov 27–29
Expo / packet pickupThe Westin Seattle, Fri Nov 27 & Sat Nov 28, 11 AM–8 PM
2026 course note

The Seattle Marathon has rerouted in 2024 and 2025. The 2026 start (5th & Harrison) and finish (Bell Harbor Pier 66) are confirmed. The full course map and USATF certification are pending final publication. Verify the detailed route at seattlemarathon.org a few months before race day.

Is This the Right Race for You?

Choose Seattle if you want:

  • A genuine city marathon showcasing Seattle’s best running terrain — parks, bridges, waterfronts, and neighborhoods.
  • A manageable, mid-sized field (~2,470 marathon finishers) without the logistics chaos of a world major.
  • Rolling, varied terrain that keeps the miles mentally interesting and rewards good training.
  • A Thanksgiving-weekend tradition with a strong local running community.
  • A course that is Boston-eligible and tests you honestly.

Think twice if:

  • Your primary goal is a narrow-margin Boston qualifier — the 5.5% BQ rate and the Magnolia hills at mile 20 punish runners who haven’t specifically trained for a hilly late-fall course.
  • You want year-to-year course stability — the Seattle Marathon has rerouted significantly in recent years; always verify the final map.
  • You are targeting a fast time but live in flat terrain with no access to hills — specific hill training is required, not optional.

Seattle can deliver a strong result and an excellent race experience. But runners should choose it because they want to run Seattle, not because they expect the course to quietly produce a flat-course-equivalent time.

The Course, Mile by Mile

The 2025 course — and the expected 2026 template — is a point-to-point from Seattle Center to Bell Harbor Pier 66. It covers more of the city’s great running terrain than any previous version. One important caveat: the exact mile-by-mile path is typically published a few months before race day. Treat the segment breakdown below as the confirmed 2025 structure — close to what 2026 will follow, but verify final details at seattlemarathon.org.

Miles 1–4: Seattle Center to Capitol Hill

The gun goes off at 5th & Harrison and the course heads east, climbing almost immediately. This is not a neutral start — you are uphill from the first quarter-mile, winding through Capitol Hill. The runners who go out too fast pay for it before mile 3. Keep the effort genuinely easy. The crowd support is thick and energetic, which makes restraint harder. The scenery is urban and alive.

What to do: Run by feel, not by watch. GPS routinely misreads tree cover and tunnels on this section. If it feels like a comfortable Tuesday easy run, you have it right. If the first two miles feel smooth and fast, slow down.

Miles 4–8: Interlaken Park to Washington Park Arboretum

After Capitol Hill the course descends east into Interlaken Park — wooded, canopied, with the smell of cedar and wet soil. This is one of the genuine highlights of the race. The Arboretum follows, winding through Washington Park along Lake Washington Boulevard. Miles 6 and 7 are the most scenic of the day. The terrain rolls but is manageable. Most runners find their legs here.

What to do: Settle into marathon effort. These should feel comfortable to controlled. Nothing harder. Bank a few mental images of the lake and the cedar canopy — you will want the memory later.

Miles 8–13: UW Campus to Montlake to University Bridge

The course threads through the University of Washington campus — large, with some technical turns — past Husky Stadium and along Rainier Vista. The 2025 course included some complex navigation in this section, including 180-degree turns and stretches through stadium parking areas. This should improve for 2026, but arrive prepared for technical running: turns, varying surfaces, and thinning crowds in the middle sections. You cross the Montlake Bridge and University Bridge before the halfway mark.

What to do: Run the tangents carefully. The UW section can add meaningful distance if you run wide on every turn. Consistent pace discipline here pays dividends later.

Miles 13–18: Burke-Gilman Trail to Gas Works Park to Fremont

The second half opens on the Burke-Gilman Trail, heading west along the north shore of Lake Union. This is the flattest sustained stretch of the course and your best opportunity to bank effort without burning matches. Gas Works Park at approximately mile 16 is an excellent spectator spot. The Fremont Bridge crossing is narrow but memorable, looking back at Lake Union and, on clear days, Mount Rainier.

What to do: Find your rhythm here. Miles 14–17 are your best chance for sub-goal pace. Don’t bank time — just hold even effort on the flat and feel strong heading into Fremont.

Miles 18–22: Fremont to Interbay to Magnolia

This is where the race gets decided. After Fremont the course heads north and west into Interbay, then climbs into Magnolia. The Magnolia neighborhood sits on a bluff above Elliott Bay, and accessing it means climbing. The ascent around miles 20–21 is the hardest sustained climbing on the course. Multiple 2025 race reports cite this as a genuine shock — it arrives exactly when marathon fatigue is compounding, and it is relentless enough to crack runners who went out carelessly in the first half.

What to do: Shorten your stride, keep your cadence up, and do not fight the hill. Slow down and run it smoothly. Every runner around you is hurting. The ones who survive Magnolia with form intact trained specifically on hills and went out conservatively.

Miles 22–26.2: Magnolia Descent to Elliott Ave to Pier 66

After Magnolia the course descends toward the waterfront. Elliott Avenue runs along the railroad corridor — not the most scenic approach — but the downhill is real and your legs will appreciate it. The Olympic Sculpture Park appears in the final two miles. The finish at Bell Harbor Pier 66 is flat and well-supported, with views of Elliott Bay and the Olympic Mountains on a clear day.

What to do: Controlled descent. Do not blast downhill and destroy the quads you still need for the flat finish. Run the last two miles at whatever pace you actually have.

SegmentMilesTerrainPacing cue
Seattle Center to Capitol Hill1–4Significant early climb, urban10–25 sec/mi slower than goal; run by effort
Interlaken / Arboretum4–8Rolling, wooded, scenicSettle into marathon effort; avoid surging
UW / Montlake / University Bridge8–13Technical, turns, bridgesRun tangents; hold rhythm
Burke-Gilman / Gas Works / Fremont13–18Flattest sustained sectionBest opportunity for goal pace; fuel here
Interbay / Magnolia18–22Rolling to major climbShort stride, high cadence, effort-based
Magnolia descent / Elliott Ave / Pier 6622–26.2Downhill to flat finishControlled descent; finish by effort

November Weather in Seattle

Late November in Seattle is cold, damp, and frequently wet. This is not a race where you arrive hoping for a miracle weather day — you prepare for the standard conditions and treat any sunshine as a bonus.

Seattle’s November is its wettest month by number of wet days, averaging roughly 16–17 days with measurable precipitation. Daily highs trend from the mid-50s°F early in the month toward the upper 40s by race weekend. Morning temperatures on November 29 typically sit in the upper 30s to low 40s°F.

MetricPlanning value
Race-morning temperatureUpper 30s to low 40s°F likely
Average high (late Nov)~46–48°F (7–9°C)
Average low (late Nov)~36–38°F (2–3°C)
Rain probabilityHigh — November is Seattle’s wettest month
WindModerate SW; exposed on Fremont Bridge and Pier 66 finish

What this means for racing: A 40°F start with rain is actually excellent marathon weather once you are running — the body dissipates heat efficiently and you can sustain higher efforts without overheating. The problem is the pre-race wait and the post-race finish. Standing in corrals for 20–30 minutes at 40°F in a drizzle is costly if you are underdressed. And crossing the finish line wet and spent at 45°F is a genuine hypothermia risk if dry clothes are not immediately available.

Standard Seattle race kit: moisture-wicking base layer (no cotton), lightweight waterproof shell with underarm vents, waterproof gloves over thin liner gloves, a brimmed running cap to keep rain off your face. Many runners bring a disposable rain poncho to the corral and ditch it at the start. Pack a full dry change of clothes at bag check or with your crew at Pier 66.

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Can You BQ Here? The Honest Answer

The short version: yes — but the course will not do the work for you.

YearMarathon finishersBQ rate
20252,4705.5%
20242,0174.7%
20231,7586.2%

The gap between the course score (98.22) and the actual BQ rate tells the real story. On paper, Seattle’s conditions support fast running — cool temperatures, legitimate certification, clean road surfaces. But the 900+ feet of cumulative gain, the Magnolia hills at mile 20, and the technical navigation in the UW section suppress finishing times for anyone who hasn’t specifically prepared for a hilly, wet, late-fall marathon.

A few specific points worth knowing:

  • The 2026 BAA qualifying standards are 2:55 for men 18–34 and 3:25 for women 18–34. In recent cycles, runners have needed to beat their qualifying time by 3–7 minutes to actually secure a Boston bib — the published standard is the minimum, not the guarantee.
  • Seattle is Boston-eligible but not a BQ factory. A 5.5% BQ rate means the vast majority of finishers do not qualify. This is not a course that quietly hands qualifiers to runners who are marginally fit enough to attempt it.
  • The course suits hill-prepared runners with a cushion. If your A goal requires perfect conditions and a slightly tailored course, a flatter late-fall race is a safer choice. If you are well-trained for hills and have margin against your qualifying time, Seattle is a credible venue.

Bottom line: Don’t set your Seattle A goal based on your flat-marathon PR without adjusting for 900+ feet of climbing. A 1.5–3% time adjustment for well-trained hill runners and 3–5% for those less experienced on hilly courses is a reasonable starting framework.

For more on the BQ registration math, see our Boston Marathon entry guide.

How to Train for a Hilly November Marathon

A November 29 race date calls for an 18-week build beginning in late July — right as Seattle’s best summer running weather arrives. Training for Seattle should differ meaningfully from training for a flat marathon.

Hill work is not optional

The defining challenge of the Seattle course is the Magnolia climb at mile 20. If the only hills in your training logs are incidental, you will walk Magnolia. Weekly hill repeats, hilly long runs, and marathon-pace miles on rolling terrain are the specific preparation this course demands. Not once in a while — every week from the first training week.

Put hills late in long runs

The Magnolia climb arrives when your legs are already carrying 18 miles of marathon fatigue. Rehearse this specifically: during the final eight weeks of training, include selected long runs where the hilliest section falls in the final third. This teaches your legs to maintain form, cadence, and fueling discipline after two hours of running — exactly the demand of race day.

Train the downhills too

Uphill durability gets the attention. Downhill conditioning is the quieter weapon. Controlled downhill running prepares your quads for repeated eccentric loading and protects your stride through the Magnolia descent and the final flat miles. Add short downhill segments gradually — do not sprint every descent.

Train in the rain at least twice a month

Seattle’s race-day conditions are almost certain to include rain or wet pavement. Knowing how your shoes drain, your jacket breathes, and your gel wrappers behave when your hands are wet removes surprises. Don’t always skip the rainy Tuesday workout.

Practice negative splits and conservative openings

The runners who survive Seattle run conservatively through the Capitol Hill start, feel strong in the Arboretum, manage the UW section efficiently, open up slightly on the Burke-Gilman, and have something left for Magnolia. That requires deliberate practice — on every long run, make the first third feel easy.

Fuel in the cold

Cold running suppresses hunger signals. Many runners under-fuel on cold long runs and arrive at Magnolia with nothing left. Practice eating on a schedule, not on hunger cues, in every long run from week 5 onward. See our gut training guide for the framework.

Summer training note

Seattle’s summer training window (July–September) brings dry, mild weather. This is ideal for building the aerobic base and introducing hill work. October rain arrives as race-day rehearsal. Embrace both phases.

The 18-Week Structure

An 18-week plan for a November 29 race begins on Sunday, July 27, 2026. That timing gives you Seattle’s full dry summer for foundation and threshold work, with October transitioning into fall conditions for race-specific preparation.

PhaseWeeksDatesFocus
Foundation1–5Jul 27 – Aug 30Aerobic base, hill introduction, run-week consistency
Threshold6–10Aug 31 – Oct 4Tempo runs, marathon-pace miles, long run quality
Race-Specific11–15Oct 5 – Nov 8Hilly marathon-pace long runs, sustained climbing blocks
Taper16–18Nov 9 – Nov 29Volume reduction, pace maintenance, sharpening

Weekly structure template:

  • Monday: Rest or easy 4–6 miles
  • Tuesday: Quality workout (hill repeats in Foundation; tempo / marathon pace in Threshold and Race-Specific)
  • Wednesday: Medium-long run, easy effort, 10–14 miles
  • Thursday: Easy 8–10 miles with strides
  • Friday: Rest or easy 4–6 miles
  • Saturday: Long run (16–22 miles depending on phase)
  • Sunday: Easy 6–8 miles recovery

Peak week (approximately Week 14):

  • Tuesday: 10 miles with 6 at marathon pace
  • Wednesday: 14 miles easy
  • Thursday: 10 miles with 4×1-mile at threshold
  • Saturday: 22-mile long run including 6 miles of sustained hills
  • Total: ~70 miles

Taper:

  • Week 16: reduce to ~55 miles, maintain pace quality
  • Week 17: ~38 miles, sharpen with 2×3 miles at goal pace
  • Week 18 (race week): ~20 miles through Thursday, shakeout Saturday, race Sunday

For the full taper framework, see our marathon taper guide.

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The Pacing Plan

Seattle rewards even effort more than even pace. Holding the same GPS pace on every climb turns a sustainable marathon into a sequence of expensive surges. The GPS number is also unreliable in tree cover, on bridges, and through the UW campus. Effort is the more reliable guide.

Pacing principle: run by effort on uphill sections, allow pace to drift 10–45 seconds per mile slower than goal, and return to goal pace naturally on flat sections. A slower uphill split is not evidence the race is slipping — it is evidence you are running correctly.

Sample targets for a 3:45 goal finish

SegmentMilesTarget paceNotes
Capitol Hill climb1–48:45–9:00/miEasy effort; contain the adrenaline
Interlaken / Arboretum4–88:20–8:30/miSettle into marathon effort
UW / Montlake8–138:25–8:35/miTechnical; hold rhythm, run tangents
Burke-Gilman flat13–188:15–8:25/miBest miles; fuel here
Magnolia climb18–228:50–9:15/miSurvive with form; don’t fight it
Waterfront finish22–26.28:20–8:30/miControlled descent then flat close

Target half-split guide

Goal finishFirst halfSecond halfPer-mile avg
3:001:311:296:53
3:151:391:367:27
3:301:471:438:01
3:451:531:528:35
4:002:012:009:09
4:152:102:059:44
4:302:162:1410:18

These targets assume even effort, not even pace. The Capitol Hill climb and Magnolia will produce slower raw splits — that is correct and expected. Do not try to run the first half under these numbers.

For pacing fundamentals, see our marathon pacing strategy guide.

Race Week and Logistics

Expo and packet pickup

  • Friday, November 27: 11 AM – 8 PM, The Westin Seattle (Health & Fitness Expo)
  • Saturday, November 28: 11 AM – 8 PM, The Westin Seattle
  • No race-day registration or bib changes permitted

Start line logistics

  • Location: 5th Ave N & Harrison St, Seattle Center
  • Full marathon: 7:30 AM | Half marathon: 7:00 AM
  • Arrive by 6:30 AM at the latest; corrals close before gun time
  • Seattle Center parking fills before 7 AM — use SpotHero to reserve in advance
  • Metro Transit and Link Light Rail recommended — drive to a light rail station and transit in
  • The Westin Seattle is ~18 minutes on foot from the start; Hyatt Place is ~7 minutes

Finish line

  • Bell Harbor Pier 66, downtown Seattle waterfront
  • The finish is approximately 3.5 miles from the start by road — plan post-race transportation
  • No shower facilities at the finish — plan accordingly

Bag check and gear

  • Bag check at the start; bags transported to the finish at Pier 66
  • Pack dry clothes, a warm layer, and clean socks — you will be wet and cold at the finish
  • Post-race hypothermia is a real risk — change out of wet gear immediately

Aid stations and on-course support

  • Aid stations approximately every 1.5 miles
  • Water and electrolyte drink (Nuun Sport) available at all stations
  • Energy gels at select stations — confirm exact miles at seattlemarathon.org
  • Official BQ pacers available — confirm available pace groups at seattlemarathon.org

For a complete countdown checklist, see our marathon taper guide.

Race-Day Execution

  1. The night before. Lay out every piece of gear. Test the rain jacket. Check gel count. Set two alarms. Eat a carbohydrate-forward dinner (nothing new) by 7 PM. In bed by 9:30 PM.
  2. Race morning. Wake by 4:30 AM. Eat your tested pre-race meal — whatever has worked in long runs. The standard: oatmeal, banana, coffee, 3 hours before gun time. Don’t experiment. Transit or drive early — Seattle Center parking fills before 7 AM.
  3. Corrals. Seed yourself honestly. Starting too far back adds frustration from early weaving. Bib color indicates corral assignment based on submitted finish time.
  4. Miles 1–4 (Capitol Hill). The single most important execution decision of your race happens here. The crowd energy and the brief downhill sections between climbs will tempt you to run fast. Don’t. Every study on marathon pacing confirms that going out 10–15 seconds per mile too fast in miles 1–5 costs 3–5 minutes in miles 20–26. The Capitol Hill climb should feel like a Tuesday easy run.
  5. Miles 13–18 (Burke-Gilman). If you’ve been disciplined, this section will feel like your best miles of the race. Let it feel that way without pressing. Fuel here. Arrive at Magnolia with confidence rather than desperation.
  6. Miles 20–22 (Magnolia). Shorten stride. Keep cadence up. Don’t fight it. Walk 30-second intervals if needed — that costs far less time than blowing up and shuffle-walking the last four miles. The runners around you are all hurting. Survival and form here lead to a strong finish.
  7. The finish. Cross the line, collect your medal, and immediately change into dry clothes. The body’s temperature regulation crashes fast once you stop generating heat. Get dry, get a warm layer, then celebrate.

For full recovery guidance, see our marathon recovery guide.

Frequently Asked Questions

When is the 2026 UW Medicine Seattle Marathon?

Sunday, November 29, 2026 — Thanksgiving weekend. The full marathon starts at 7:30 AM from 5th Ave N & Harrison St, Seattle Center.

Is the Seattle Marathon hilly?

Yes. The course features approximately 900–950 feet of cumulative gain with two major challenge zones: a significant early climb through Capitol Hill in miles 1–4, and a sustained late-race climb through Magnolia around miles 20–22. It is a rolling, hilly course from start to finish — not a flat personal-best course.

Does the Seattle Marathon qualify for Boston?

The Seattle Marathon is historically USATF-certified and BAA-accepted. The 2026 course map and certification are pending final publication. Verify the final 2026 certificate at seattlemarathon.org before race day.

Is the Seattle Marathon good for a PR?

It can be, but it is not the easiest PR environment. Cool November weather helps, but the hills and technical sections make it slower than flatter late-fall alternatives. Target a time adjusted 1.5–5% above your flat-course PR depending on your hill preparation.

How should I train for the Seattle Marathon?

Train with weekly hill repeats, hilly long runs (hills in the final third), marathon-pace work on rolling terrain, downhill running practice for quad durability, and wet-weather gear and fueling rehearsals. The Magnolia climb is the race’s defining challenge — arrive with specific hill training in your legs.

Does the course change every year?

Yes — the Seattle Marathon has rerouted significantly in 2024 and 2025. The 2026 start (5th & Harrison) and finish (Bell Harbor Pier 66) are confirmed. Always verify the detailed course map at seattlemarathon.org a few months before race day.

Is there gear check?

Yes. Bags are checked at the start and transported to the finish at Pier 66. Allow extra time for bag check on race morning.

Are there shower facilities at the finish?

No. Plan accordingly — pack dry clothes and a warm layer for immediate post-race use. Hotels near the finish are strongly recommended.

What is the time limit?

7 hours.

Is this a good race for first-time marathoners?

Yes, with caveats. The city setting, crowd support, and finish-line energy make it memorable for a debut. The hills and course complexity make it harder than a flat first marathon. First-timers targeting completion rather than time will enjoy it; those with aggressive time goals should train specifically for the hills.

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