Onion Man Triathlon
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Onion Man Triathlon
Onion Man Triathlon is an Olympic distance race held in Walla Walla at Bennington Lake and nearby roads. The Olympic distance format consists of the following segments:
- 1.5K lake swim
- 40K rolling bike
- 10K run
The event includes multiple entry categories: individual Olympic age group, two- and three-person Olympic relays, a Special Teams two-person category for a fully-abled athlete paired with a disabled athlete, Athena and Clydesdale categories (Athena 165 lbs, Clydesdale 220 lbs), and an Aquabike option that covers the Olympic swim and bike distances. Registration opens 11/1/2026 and category registration deadlines fall between April and May 2027 depending on the entry type. The field is capped at 300 participants.
The published bike course follows the same route used in 2025 and includes Five Mile Hill, Russell Creek Road, Berney Drive, a short out-and-back on Scenic Loop Road, and a return to Bennington Lake; the course bypasses Walla Walla Community College via Tausick Way and E. Isaacs Ave. In accordance with USA Triathlon rules, bar end plugs are required on all bikes.
Registration includes a custom water bottle, a tube of Hammer Fizz, a post-race meal, and one beer in a custom pint glass. Additional post-race meals and beers are available for purchase. There is no day-of registration, no wait list if the race fills, and no refunds, transfers, or deferrals. The event is USA Triathlon sanctioned (Event ID 361774); USAT members must provide their membership number or purchase a one-day license and show appropriate ID at packet pick up. Visit the organization's website for the most recent information.