Triathlon Race Calendar in Washington, United States

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

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

07

Columbia River Triathlon

Vancouver, Washington, United States

Running Triathlon Duathlon Aquabike Paddle sports

5K 10K Friday Kids Triathlon Virtual Multisport +18

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

Aug

01

Sullivan Lake Triathlon 2026

Metaline Falls, Washington, United States

Triathlon

25.8K 12.9K

Jul

19

Seafair Triathlon

Seattle, Washington, United States

Triathlon Duathlon

Sprint Triathlon Super Sprint Triathlon 3 Person Sprint Relay 2 Person Sprint Relay +3

Jul

11

Righteous Richland Sprint Triathlon

Richland, Washington, United States

Triathlon

25.7K

Jun

27

Black Diamond Triathlon

Enumclaw, Washington, United States

Triathlon Running

Ultra 27.4K 41.5K 27K +2