Washington close

Washington Running Calendar 2025-2026

Header image

Explore the best running races in Washington for 2025-2026! Our updated list features 348 exciting races across the region. Find your next race in Washington below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons
August 2026
Aug
9
Sunday

Lake Union 10K

10 km
Aug
14-18
Fr - Tu

Bigfoot 200 Mile

Trail Run 200 mi
Aug
14
Friday

Bigfoot 20 Mile Run

Trail Run 20 mi
Aug
15
Saturday

One Step Closer

Backyard Ultra 3 hr 6 hr 12 hr 18 hr
Aug
15
Saturday

Tartarus Backyard Ultra

Backyard Ultra 2 mi 4 mi
Aug
16
Sunday

Sundae Runday

2 mi 5 km 10 km
Aug
22
Saturday

Run A Muk 10k

5 km 10 km
Aug
22
Saturday

Millwood Daze 5k

5 km
Aug
22
Saturday

Lake Meridian Triathlon

Triathlon
Aug
22
Saturday

US Road Running - Camas

5 km 10 km Half Marathon
Aug
28-29
Fr - Sa

Backcountry Rise - Toutle, WA

Trail Run Half Marathon 20 mi 50 km
Aug
29
Saturday

Zero Dark Ultra

Backyard Ultra 2 mi 10 km ... 12 hr 24 hr
Aug
29
Saturday

Summer Spirit Run

5 km 10 km 15 km
Aug
29-30
Sa - Su

Appletree Marathon

5 km Half Marathon Marathon
Aug
30
Sunday

Iron Horse Half Marathon

13 mi
September 2026
Sep
4-6
Fr - Su

Dark Divide Trail Races

Trail Run 15 mi 50 km 100 km 100 mi
Sep
5
Saturday

Jump off Joe Marathon

Trail Run 10 km 13 mi 26 mi
Sep
7
Monday

Redmond Harvest Half Marathon

Half Marathon
Sep
12
Saturday

Remembrance of 9/11 Memorial 9.11K

5 km 9 km
Sep
12
Saturday

Cutthroat Classic

Trail Run 10 mi
Articles
Top 10 Marathons in the Netherlands - The Ultimate Dutch Marathon Bucket List: 10 Unmissable Races
The Beauty of the Easy Run - Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series