-->
runsignup.com

Onion Man Triathlon

calendar_today 22 May, 2027

event_available Add to calendar

kayaking Multisports

language Official Website

sell $100.00 – $255.00

Onion Man Triathlon

About the Event

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 32nd 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 an honest 10K run. 

BIKE COURSE:  Will be the same as the 2025 bike course: Five Mile hill, down Russell Creek Road to Berney Drive and back with a short out and back extension on Scenic Loop Road, and back to Bennington Lake.  Just like last year, the bike course will not go through the Walla Walla Community College and instead will 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 custom water bottle and tube of Hammer Fizz, a post race meal, and 1 free beer from Quirk Brewing in a custom pint glass.  You may also add-on an additional post-race meal for $12 and/or 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 #361774), 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 !

 

Races Offered

**Special Teams

May 22, 2027

straighten

Distance — **Special Teams

terrain

Type — Multisports

timer

09:00

sell

$100.00

Aquabike

May 22, 2027

straighten

Distance — Aquabike

terrain

Type — Multisports

timer

09:00

sell

$105.00

Athena & Clydesdale

May 22, 2027

straighten

Distance — Athena & Clydesdale

terrain

Type — Multisports

timer

09:00

sell

$105.00

Individual - Olympic Age Group

May 22, 2027

straighten

Distance — Individual - Olympic Age Group

terrain

Type — Multisports

timer

09:00

sell

$105.00

Olympic Relay - 3 Person

May 22, 2027

straighten

Distance — Olympic Relay - 3 Person

terrain

Type — Multisports

timer

09:00

sell

$255.00

Olympic Relay -2 Person

May 22, 2027

straighten

Distance — Olympic Relay -2 Person

terrain

Type — Multisports

timer

09:00

sell

$155.00

Weather History

These values represent the 3-year monthly averages for May in Walla Walla.

thermostat Temperature
10.1° / 23.4°
wb_sunny Feels like
7.1° / 19.5°
light_mode Avg sunshine hours
12h 34m
water_drop Avg rainfall
0.8 mm
ac_unit Avg snowfall
—
air Avg wind speed
11.6 km/h (Light breeze)
opacity Sweat loss rate
Moderate
terrain Course conditions
Firm and slightly soft
sunny Max UV Index
Moderate (4.2)
humidity_mid Humidity
47.0%
wb_twilight Sunrise
05:20
nightlight Sunset
20:20

About Walla Walla

Learn more about the host city, Walla Walla.

Scenic view of

Known for its funny name and its famous Sweet Onions, Walla Walla in the Columbia River Plateau of Washington State is a pleasant stop with a charming downtown and booming wine industry.

Read more launch

Hotels & Places to Stay

Things to Do Nearby

Tours and activities near Walla Walla, powered by Viator.

Loading nearby tours and activities…

Video

Watch highlights and course previews from previous years.

Runner Reviews

Read what other athletes have to say about their experience at the Onion Man Triathlon.

No reviews yet

Be the first to share your experience with the community!

Suggest an edit

Spotted an error or missing detail about the Onion Man Triathlon? Help us improve.

Nearby Races

Explore other exciting events happening in this same region.

8th Annual Walla Walla Sunrise Rotary Point .5K The "Race" For The Rest Of Us"

8th Annual Walla Walla Sunrise Rotary Point .5K T…

location_on Walla Walla, Washington, US

calendar_today Mar 14, 2027

Gobbler 5K, 10K, & Half Marathon at Chiawana Park, Pasco, WA (46) 60

Gobbler 5K, 10K, & Half Marathon at Chiawana Park…

location_on Pasco, Oregon, US

calendar_today Nov 21, 2026

Haunted 5K, 10K, & 13.1M, Pasco, WA (42)

Haunted 5K, 10K, & 13.1M, Pasco, WA (42)

location_on Pasco, Washington, US

calendar_today Oct 17, 2026

The Big Cross Frozen Tundra

The Big Cross Frozen Tundra

location_on Pasco, Washington, US

calendar_today Jan 30, 2027

Recommended for You

Hand-picked events we think you’ll love.

Run The Plank XC Invitational

Oct 15, 2026

Run The Plank XC Invitational

UIL 6A - District 22 Cross Country Meet

Oct 15, 2026

UIL 6A - District 22 Cross Country Meet

District Cross Country Meet in Katy, TX

Read more about UIL 6A - District 22 Cross Country Meet
Benton High Classic - Middle School 2026

Oct 15, 2026

Benton High Classic - Middle School 2026

5th Annual NY CRE & Contractors for T2T Cocktail Event

Oct 15, 2026

5th Annual NY CRE & Contractors for T2T Cocktail Event

Date of Event: Thursday, October 15, 2026 5:30pm-8:30pm Redeye Grill 890 7th Avenue, New York, NY 10019 _______________…

Read more about 5th Annual NY CRE & Contractors for T2T Cocktail Event

Get race deals & updates

Subscribe to our newsletter for curated race picks and discounts.