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Triathlon Calendar near Sumner 2025-2026

Explore the top triathlons near Sumner for 2025-2026! We've gathered 104 exciting races in the area. Check out our detailed list below to find your next local race.

August 2026
Aug
29
Saturday

Summer Spirit Run

5 km 10 km 15 km
Aug
30
Sunday

Iron Horse Half Marathon

13 mi
September 2026
Sep
12
Saturday

Remembrance of 9/11 Memorial 9.11K

5 km 9 km
Sep
19-20
Sa - Su

Orca Half Marathon

8 mi Half Marathon
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