Reston Triathlon
About this race
Since 1984, the Reston Triathlon has been a staple in our community. It opens with a 1500-meter open water swim in Lake Audubon, followed by a 25-mile bike ride and a 10K run on local paths. The Olympic distance event has challenged athletes from around the country and has affectionately been called the Reston Triathlon World Championship.
During the pandemic, the previous board worked tirelessly to keep the tradition alive. Unfortunately, in 2021, they announced they could no longer financially or logically sustain the Reston Triathlon. CORE Foundation, working closely with the previous board, is thrilled to revive the event and continue the legacy. The Reston Triathlon made its comeback debut on September 10, 2023! This year's race date is September 28, 2025.
CORE Foundation is grateful for the loyal athletes and local community. They received overwhelming support while pursuing the opportunity to restore this community event.
To join our list of wonderful partners, please email jdryzga@corefoundation.org.
Pick your distance
Triathlon
Reston Triathlon
Reston Aquabike
Olympic Relay
4K Run Followed By Bike
Typical race-day weather
Based on 5 years of Open-Meteo archive data for this event's race dates in Reston, plus the 3 days either side.
The sun rises at 6:55 AM and sets at 7:10 PM local time (EDT) in Reston on September 20, 2026 — 12h 14m 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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Results — Reston Triathlon
Other races near Reston
Different organizers, within 40 miles, in the next three months
=PR= Races - Turkey Day 5K & 1 Mile
2026 PR Race Pass
2026 PR Race Pass PLUS
Rtc Run for Valor 5K
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, 23 Reston events
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