Triathlon Race Calendar in Washington, United States

May

22

Onion Man Triathlon

Walla Walla, Washington, United States

$100.00 - $255.00

Triathlon Aquabike

Individual - Olympic Age Group Olympic Relay -2 Person Olympic Relay - 3 Person **Special Teams +2

Jun

05

Lake Wilderness Triathlon and Run

Maple Valley, Washington, United States

$55.00 - $100.00

Triathlon Running Duathlon

Lake Wilderness Olympic Triathlon Lake Wilderness Sprint Triathlon Lake Wilderness Sprint Relay Team Lake Wilderness Olympic Relay Team +4

Jun

19

Medical Lake- Trailblazer Triathlon/Duathlon/5K

Medical Lake, Washington, United States

$25.00 - $75.00

Triathlon Duathlon Running

Trailblazer Triathlon Trailblazer Duathlon 5K Trailblazer Triathlon Team Relay +1

Jul

09

Columbia River Triathlon

Vancouver, Washington, United States

Free - $247.00

Running Triathlon Duathlon Aquabike Paddle sports

5K 10K Friday Kids Triathlon Saturday Sprint Triathlon - Individual +15

Jul

11

Girlfriends Triathlon & Fitness Festival

Vancouver, Washington, United States

$59.00 - $237.00

Triathlon Aquabike Duathlon Running

Sprint Triathlon Sprint Triathlon Relay Sprint AquaBike Sprint AquaBike Relay +5

Aug

30

2026 Bonney Lake Triathlon

Bonney Lake, Washington, United States

Triathlon Aquabike

Olympic Tri Sprint Tri Super-Sprint Tri Aquabike +2

Aug

29

Plutonium Man Triathlon

Richland, Washington, United States

Triathlon

Ultra 26.3K +1

Aug

22

The Kenmore Quad

Kenmore, Washington, United States

Triathlon

Quad - Single Participant Quad Relay - 2 Person Quad Relay - 3 Person Quad Relay - 4 Person

Aug

15

Lake Meridian Triathlon

Kent, Washington, United States

Triathlon

Ultra 32.2K 31.8K

Aug

01

Sullivan Lake Triathlon 2026

Metaline Falls, Washington, United States

Triathlon

25.8K 12.9K

Aug

01

Titanium Man Junior Triathlon

Richland, Washington, United States

Triathlon

9.7K

Aug

01

Lake Tye Triathlon - 2026

Monroe, Washington, United States

Running

5K