Lost Almost Triathlon
About this race
Bummed the other triathlon in Los Alamos went virtual this year?
Join East Park Pool for an in-person triathlon to save the pool and support the local swimming community.
Pick your distance
Triathlon
Long Course
20 km bike 300 m swim 5 k run
Short Course
5 k bike 100 m swim 1 mi run
Typical race-day weather
Based on 3 years of Open-Meteo archive data for this event's race dates in Los Alamos, plus the 3 days either side.
The sun rises at 6:46 AM and sets at 7:15 PM local time (MDT) in Los Alamos on September 13, 2026 — 12h 29m 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 Los Alamos
Different organizers, within 40 miles, in the next three months
Los Alamos Njrotc Extreme 5k and Fun Run
Ghost Ranch Run
Capitol Ford Santa Fe International Half Marathon
The Big T
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, 4 Los Alamos events
Spotted something wrong? Tell us and we'll fix it.