Treasure Valley Triathlon
About this race
Join us for the Treasure Valley Tri, a Circuit-Style triathlon on a closed course along the river in Boise, Idaho. This community race is a charity event supporting adaptive sports across southern Idaho. Spectators welcome! Registration for this event is being limited to 400 participants to ensure the quality of the experience for all of our guests.
- USAT Sanctioned (#310140)
- Idaho high-school state & age group finals
- USAT Club championship
- Inclusive for all abilities and orientations (para-tri friendly)
- Youth "Splash & Dash" during packet pickup
Pick your distance
Triathlon
Super Sprint
400M Swim 9.6K Bike 2.7K Run
Sprint
750M Swim 18.9K Bike 5.2K Run
Olympic
1500M Swim (.93 Miles) 37.6K Bike (24.8 Miles) 10K Run (6.2 Miles)
Super Sprint RELAY
This registration is for a relay team of 2-3 people. 400M Swim 9.6K Bike 2.7K Run
Sprint RELAY
This registration is for a relay team of 2-3 people. 750M Swim 18.9K Bike 5.2K Run
Olympic RELAY
This registration is for a relay team of 2-3 people. 1500M Swim (.93 Miles) 37.6K Bike (24.8 Miles) 10K Run (6.2 Miles)
ADAPTIVE - Super Sprint
Adaptive Athletes Race FREE Email: racedirector@ymcatvidaho.org 400M Swim 9.6K Bike 2.7K Run
ADAPTIVE - Olympic
Adaptive Athletes Race FREE Email: racedirector@ymcatvidaho.org 1500M Swim (.93 Miles) 37.6K Bike (24.8 Miles) 10K Run (6.2 Miles)
ADAPTIVE RELAY - Super Sprint
Adaptive Athletes Race FREE Email: racedirector@ymcatvidaho.org This registration is for a relay team of 2-3 people. 400M Swim 9.6K Bike 2.7K Run
ADAPTIVE RELAY - Sprint
Adaptive Athletes Race FREE Email: racedirector@ymcatvidaho.org This registration is for a relay team of 2-3 people. 750M Swim 18.9K Bike 5.2K Run
ADAPTIVE RELAY - Olympic
Adaptive Athletes Race FREE Email: racedirector@ymcatvidaho.org This registration is for a relay team of 2-3 people. 1500M Swim (.93 Miles) 37.6K Bike (24.8 Miles) 10K Run (6.2 Miles)
2026 USAT Para National Qualifier Series
750M Swim 18.9K Bike 5.2K Run
Duathlon
Youth Splash and Dash
Ages 7-10 100M Swim 1K Run Ages 11-15 200M Swim 2K Run
Typical race-day weather
Based on 5 years of Open-Meteo archive data for this event's race dates in Boise, plus the 3 days either side.
The sun rises at 6:04 AM and sets at 9:22 PM local time (MDT) in Boise on June 5, 2027 — 15h 17m 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 Boise
Different organizers, within 40 miles, in the next three months
SueB 5k
WIINing Warriors Flock Walk
Idaho Running Day
YMCA Halloween Freaky 5K and Monster Mile
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, 52 Boise events
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