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Triathlon Calendar near Tacoma 2025-2026

Explore the top triathlons near Tacoma for 2025-2026! We've gathered 128 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
23
Saturday

The Best Races - Seattle

5 km 10 km 13 km
May
23
Saturday

US Road Running - Olympia

5 km 10 km Half Marathon
June 2026
Jun
6
Saturday

Vashon Island Ultramarathon & Trail Run

Trail Run 10 mi 20 mi 50 km
Jun
6
Saturday

Rainier to Ruston Relay

Trail Run 50 mi
Jun
6
Saturday

The Best Races - Seattle

5 km 10 km 13 mi
Jun
7
Sunday

The Great Ferry Race

13 mi
Jun
7
Sunday

Run for Agape 5K

5 km
Jun
13
Saturday

Sound to Narrows

5 km 12 km
Jun
20
Saturday

The Best Races - Seattle

5 km 10 km 13 mi
Jun
27
Saturday

Sisu 24 Ultra PNW

Backyard Ultra 100 mi 24 hr
Jun
27
Saturday

Tiger Peak Challenge

Trail Run 5 mi Half Marathon 50 km
Jun
27
Saturday

Seattle Half Marathon

5 km 10 km Half Marathon
Jun
27
Saturday

US Road Running - Olympia

5 km 10 km Half Marathon
Jun
27
Saturday

Black Diamond Triathlon

Triathlon
July 2026
Jul
4
Saturday

US Road Running - Olympia

5 km 10 km Half Marathon
Jul
4
Saturday

The Best Races - Seattle

5 km 10 km 13 mi
Jul
17-18
Fr - Sa

Mount Rainier Half Marathon

Trail Run 5 km 10 km Half Marathon
Jul
18
Saturday

Lookin For A Cure Seattle

5 km
Jul
19
Sunday

B & O Half Marathon

10 km Half Marathon
Jul
25
Saturday

University Place Twisted Cider 12K

5 km 12 km
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