2024 - Seafair Triathlon
2024 distances
Triathlon
Sprint Triathlon
Sprint Distance Triathlon – 0.5 mile swim, 14-mile bike ride, 5 Kilometer run
Super Sprint Triathlon
Super Sprint Distance Triathlon – 0.25 mile swim, 14-mile bike ride, 5 Kilometer run
3 Person Sprint Relay
Sprint Distance Relays – Same as the sprint course
2 Person Sprint Relay
Sprint Distance Relays – Same as the sprint course
Kids Triathlon - Long Course
Kids Long Course – 100-yard swim, 2-mile bike ride, 1-mile run
Kids Triathlon - Short Course
Kids Short Course – 50-yard swim, 1-mile bike ride, 0.5 – .75 mile run (swim in water kids can touch in)
Duathlon
Sprint Duathlon
Sprint Duathlon – 14-mile bike ride, 5 Kilometer Run
Race-day weather
Conditions on July 21, 2024 — historical Open-Meteo data.
The sun rises at 5:34 AM and sets at 8:56 PM local time (PDT) in Seattle on July 21, 2024 — 15h 22m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Other races near Seattle
Different organizers, within 40 miles, in the next three months
Run Scared
2026 Seattle Ghost Marathon, Half & 50K
Green Lake Sole 5K Run
Alaska Airlines Dawg Dash 5K/10K
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 133 Seattle events
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