Onion Man is a grass roots, affordable, low-key, early season event in beautiful Walla Walla meant to be accessible to all triathletes. This race is for beginners looking to gain experience to elite athletes looking for a competitive, challenging race. Onion Man is also open to team competitors. We wish all of you a safe race and encourage you to get out there and swim hard, ride strong, run fast and most of all, enjoy yourselves!

* THE RACE WILL HAVE A 300 PARTICIPANT CAP! REGISTER EARLY *

The 31st Annual Onion Man Triathlon will be held on SUNDAY, May 17, 2026. The Olympic Distance race held at the base of the Blue Mountains is a 1.5K lake swim, 40K rolling bike, and a 10k honest run.

BIKE COURSE: Will be basically the same as the 2024 bike course: Five Mile hill, down Russell Creek Road and back with a short out and back extension on Scenic Loop Road, and back to Bennington Lake. The only change is that the course will not run through the Walla Walla Community College and instead continue straight on Tausick Way and turn right onto E. Isaacs Ave. In accordance with USAT rules, bar end plugs are required on all bikes.

Registration includes a short-sleeved Tshirt (if you register before Apr 29), a meal ticket to the post race meal, and 1 free beer from Quirk Brewing in a custom pint glass. You may also add-on a beer for non-participants for $5. No day of race registration and no wait list available if race fills. No refunds, transfers and no deferrals.

Onion Man Triathlon race is a USA Triathlon Sanctioned event (Event ID #310427), if you are a USAT member you will need to enter your number on the registration page. If you are not a member you will need to click on one-day license. If you are a USAT member be ready to show your valid Membership Card at packet pick up. Everyone will need to show picture ID as well.

Thank you and let's race !