Found 229 races

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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

Vancouver, WA
• 40.0 miles
$50 -$108
Women's Half Marathon, 10K & 6K in Vancouver, WA benefiting the Pink Lemonade Project breast cancer cause.
6K 10K Half Marathon
200
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
• 69.0 miles
$35 -$45
Costume-friendly, chip-timed 5K raising funds for Issaquah School District students.
5K
23
OCT
24

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

Washougal, WA
• 25.2 miles
$57 -$102
RUN FOR YOUR LIFE! Join us for our 11th Annual Scary Run- on October 24th, 2026. ALL NEW RACE TIME (SATURDAY EVENING) Get out your Halloween costumes and be prepared to be scared out of your...
5K 10K 15K
1
29
OCT
24

Portland, OR
• 35.1 miles
$45 -$125
Community 5K run and walk raising money for youth and family needs in Lonoke.
5K 10K Half Marathon
1
99
OCT
24

Seattle, WA
• 64.8 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
• 9.1 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
• 69.6 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
• 52.1 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
• 71.3 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
• 40.9 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

Vancouver, WA
• 34.8 miles
$30 -$65
US Road Running Races US Road Running races are built for runners and walkers who like friendly, low-pressure race days with just enough competition to keep things exciting. Our events are local,...
5K 10K
17
OCT
31

Seattle, WA
• 77.1 miles
$30 -$43
Annual Trick or Treat 5k!  Join us for a spooktacular time at the Trick or Treat 5k ! Lace up your running shoes and get ready for a ghoulishly fun event at Green Lake Park . Whether you're a...
5K
59
OCT
31

Tacoma, WA
• 45.5 miles
$15 -$77
Continuing the Halloween 5K tradition here in Tacoma we have added a 10k distance to the event! The Wicked Fast 5K & 10k registration will include t-shirts and Halloween themed medals that are...
1K 5K 10K
29
NOV
8

University Place, WA
• 35.6 miles
$43 -$93
Loops will be an incredibly enjoyable experience while simultaneously basking in the breathtaking panoramic views of the magnificent Bay! This sensational running trail allows participants to...
5K 10K Half Marathon
79