Seattle Marathon Race Prep

UW Medicine Seattle Marathon: a rolling point-to-point course in Seattle. Pacing by section, fueling, and race-day tips.

Use TrainPace to plan a simple, repeatable strategy for Seattle Marathon: pacing targets, fueling basics, and course/elevation awareness.

Pace calculator: training zones + race pace
Fuel planner: carbs/hour + gel timing
Elevation analysis: hills, grades, and difficulty

How to prepare for Seattle Marathon

Plan pacing, fueling, and course strategy for Seattle Marathon using free calculators and GPX elevation analysis.

Pick a realistic goal time: Use a recent race result or time trial to set a starting point.
Set training paces: Calculate easy, tempo, threshold, and interval paces for your training block.
Build a fueling plan: Estimate carbs/hour and gel timing that you can practice in long runs.
Review course elevation: Upload a GPX to spot key climbs and decide where to adjust effort.

UW Medicine Seattle Marathon course guide

The UW Medicine Seattle Marathon is held on or near Thanksgiving weekend in late November. In the 2026 listing the marathon starts at Seattle Center and finishes at Pier 66 (Bell Harbor) on the waterfront. The route has changed over the years, so check the current map.

UW Medicine Seattle Marathon at a glance
Fact	Value
Location	Seattle, Washington, USA
Distance	42.195 km (marathon)
Usually held	November
Course	rolling, point-to-point
Official site	https://www.seattlemarathon.org/

Course highlights

Start at Seattle Center near the Space Needle
Pier 66 (Bell Harbor) finish on the waterfront
Past routes crossed the Ship Canal Bridge, the University of Washington campus and Green Lake

UW Medicine Seattle Marathon pacing strategy

The course has hills and bridges, so run by effort. Expect cool, wet weather. Because the route changes between years, download the official map and elevation profile before planning splits.

Pacing by course section
Section	Terrain	Advice
mile 1–6	Downtown streets from Seattle Center	Start at or just under goal pace.
mile 7–20	City neighbourhoods and bridge crossings (check the current map)	Run the rises by effort and hold steady on the flats.
mile 21–26.2	Return to the waterfront finish at Pier 66	Save a little energy and push in the last mile.

Fueling notes

The sources I used do not list aid-station positions, so check the official course description. Cold weather can reduce thirst, but keep taking gels and fluid at regular intervals.

Race-day tips

Late November is cool and often wet, so bring layers and a throwaway jacket
Download the official map and course description before race day
The finish is at Pier 66, away from the start, so plan transport

Frequently asked questions

Where does the Seattle Marathon start and finish?

The 2026 listing shows the marathon starting at Seattle Center and finishing at Pier 66 (Bell Harbor).

When is the Seattle Marathon held?

It is usually held on the weekend after Thanksgiving.

Is the Seattle Marathon hilly?

I found no reliable total-climb figure. Wikipedia describes a route that crossed the Ship Canal Bridge and Aurora Bridge, so expect some climbing. Check the official elevation map.

Facts checked 2026-10 against the sources below. Race details change from year to year — confirm with the official site before race day.

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For AI agents

Every public page on this site has a Markdown mirror at the same path with a .md suffix (for example /calculator.md), and honors an Accept: text/markdown request header on the HTML URL. The calculations here are also available as callable tools through a free public MCP server — no account or API key.