Found 192 races

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OCT
11

Seattle, WA
• 66.6 miles
$12 -$64
New for 2026: We will have a big pumpkin festival going on during the event. We will have games, face painting, and more! We are also adding a .25 mile stroller dash. This race is perfect for the...
1m 5K 9K 10K 25m
117
OCT
11

Puyallup, WA
• 41.3 miles
$25 -$50
5Ks are fun. Beer is fun. 5Ks & Beer are typically not a natural pairing….typically. However, on Sunday, October 5th, the best of both worlds collide for the second annual STEIN DASH – and this...
1K
43
OCT
17

Kirkland, WA
• 42.0 miles
$52 -$98
USATF certified half marathon loop course along Lake Washington in Kirkland, WA.
Half Marathon
183
OCT
17

Seattle, WA
• 74.7 miles
$30 -$45
Get excited for the 4th annual Where's Bigfoot 5k. Big·foot. /ˈbiɡfo͝ot/. noun 1.a large, hairy, ape-like creature resembling a yeti, supposedly found in northwestern America. Visit our FAQs:...
5K
72
OCT
18

Seattle, WA
• 21.9 miles
$15 -$70
Run with the pack. Show your Purple Pride. Support UW students! Hit the road, Huskies! Lace up your sneakers and soak in the fall campus beauty for our annual 10K run and 5K run/walk in support...
5K 10K
57
OCT
18

Seattle, WA
• 23.9 miles
$20 -$75
Annual run benefiting Seattle Children's Hospital with 3.1 mile and 10K routes.
1m 5K 10K
46
OCT
18

Puyallup, WA
• 29.5 miles
$35 -$40
Celebrate the beauty of fall at the Puyallup Valley Fall Hops Harvest 5K on Sunday, October 18th at Firemind Brewing in downtown Puyallup! Gather your friends and family for this festive fall...
5K
17
OCT
18

Seattle, WA
• 23.9 miles
$30 -$60
Get ready for a spine-tingling race experience at the Running Scared 5K & 13K—where thrills, chills, and fast times collide! Whether you’re brave enough to tackle the 5K or daring enough to...
5K 13K
13
OCT
24

Seattle, WA
• 23.9 miles
$35 -$55
October 24th, 2026 The Green Lake 5K & Wellness Festival Get ready for the ultimate blend of movement, community, and good vibes at the Green Lake 5K & Wellness Festival! This one-of-a-kind event...
5K
35
OCT
24

Issaquah, WA
• 86.1 miles
$35 -$45
Costume-friendly, chip-timed 5K raising funds for Issaquah School District students.
5K
23
OCT
24

Port Angeles, WA
• 86.1 miles
$5 -$99
An all-day, all-night timed loop run at Salt Creek Recreation Area, Port Angeles WA.
68
OCT
24

Sammamish, WA
• 53.3 miles
A 26.2 mile marathon at Skyline High School in Sammamish, WA.
2m 5K 10K Marathon
31
OCT
24

Sedro Woolley, WA
• 120.0 miles
$15 -$30
We are Scarin' Up some fun at Northern State Recreation Area!Our friends had so much fun last year we want to do it again for the Chamber! Check-in will open at 5 pm starting time is 6 pm. Join...
5K
44
OCT
24

Seattle, WA
• 40.6 miles
$20 -$45
This race is a costumed 5k trail run/walk and Kids Dash to support South Seattle College Cooperative Preschools.  Paid registration includes a t-shirt (all races) and bib with timing chip (5K...
5K
33
OCT
25

Seattle, WA
• 44.7 miles
$40 -$65
Halloween-themed 10K, 5K, and 2 mile run/walk at Seward Park in Seattle benefiting Blood Cancer United.
2m 5K 10K
84
OCT
25

Snoqualmie, WA
• 56.3 miles
$5 -$42
Experience the beauty of fall in the Pacific Northwest at the Snoqualmie Valley Harvest Dash! Join us for a festive autumn celebration featuring a 10K, 5K, and Kids Dash with breathtaking views...
5K 10K
1
OCT
28

Black Diamond, WA
• 38.9 miles
Join the Club! PLEASE READ ALL OF THIS Ghosts are running amuck in Ten Trails!!! Do you and your team of Ghost Chasers have what it takes to capture and return the ghosts to their resting place a...
33
OCT
31

Bellevue, WA
• 50.1 miles
$40 -$100
Autumn trail race at Cougar Mountain near Seattle with 5K, 7.6 mile, 19.5 mile, and 50K options.
5K 7m 19m 50K
42
OCT
31

Puyallup, WA
• 23.0 miles
$35 -$50
We’re back from the beyond for the Haunted Hustle 5K & 10K Run/Walk—a fun, costume-themed, non-timed, and family-friendly Halloween tradition! Come dressed for fun, grab your friends, and kick...
5K 10K
25
OCT
31

Oak Harbor, WA
• 95.3 miles
$30 -$120
Swing the Gates is back for a 4th year! And this time we are CLOSING the Park on Halloween! This year will include the popular 10k Team Scavenger Hunt and the classic 5k Fun Run-costumes...
5K 10K
50