Washington Trail Running Calendar 2025-2026

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Explore the best trail runs in Washington for 2025-2026! Our updated list features 355 exciting races across the region. Find your next race in Washington below and join the running community at these great events!

December 2025
Dec
5-6
Fr - Sa

Climb 89

Backyard Ultra
Dec
6
Saturday

The Electric Cookie Run

5 km 10 km
Dec
6
Saturday

Jamestown Glow Run

5 km 10 km
Dec
6
Saturday

Half Marathon at Langus Riverfront Park

13 mi
Dec
13
Saturday

Pigtails Run

Trail Run 13 mi 26 mi 50 km
Dec
13
Saturday

Saturnalia

Trail Run 10 km
Dec
13
Saturday

Santa Runs Tacoma

5 km 10 km 13 mi
Dec
13
Saturday

Half Marathon at Heritage Park

5 km 10 km 15 km 13 mi
Dec
13
Saturday

Christmas Rush

5 km 10 km
Dec
14
Sunday

12ks of Christmas - Kirkland, WA

12 km
Dec
20
Saturday

Sleigh That 5K

5 km
Dec
27
Saturday

Half Marathon at Liberty Park

5 km 10 km 15 km 13 mi
January 2026
Jan
25
Sunday

Langlauf XC Ski Race

Trail Run 10 km
March 2026
Mar
7
Saturday

Lake Sammamish Half Marathon

13 mi
Mar
14
Saturday

Kirkland Shamrock Run

5 km 10 km
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