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Trail Running Calendar near Black Diamond 2025-2026

Explore the top trail runs near Black Diamond for 2025-2026! We've gathered 111 exciting races in the area. Check out our detailed list below to find your next local race.

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

Run for Agape 5K

5 km
Jun
13
Saturday

Super Marathon & Half Marathon

Trail Run 13 mi 26 mi
Jun
13
Saturday

Sound to Narrows

5 km 12 km
Jun
20
Saturday

The Best Races - Seattle

5 km 10 km 13 mi
Jun
26
Friday

Yeti Ultra Trail Washington

Trail Run 100 km 100 mi 200 km
Jun
27
Saturday

Sisu 24 Ultra PNW

Backyard Ultra 100 mi 24 hr
Jun
27
Saturday

Tiger Peak Challenge

Trail Run 5 mi 13 mi 50 km
Jun
27
Saturday

Seattle Half Marathon

5 km 10 km Half Marathon
Jun
27
Saturday

Snoqualmie Valley Half Marathon

10 km Half Marathon
Jun
27
Saturday

Black Diamond Triathlon

Triathlon
Jun
27
Saturday

Maple Valley Bear Run & Walk

5 km
July 2026
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 6 mi 13 mi
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
Jul
25-26
Sa - Su

Jack & Jill Downhill Marathon

Half Marathon Marathon
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