Trail

Fast

BQ

Upcoming Half Marathon Races In Washington, US

Featured Races Get Seen

Be the first race runners see — and grow your registrations. Put your race at the top.

Feature Your Race
Learn how to feature your race
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (35) logo

Ninja 1M, 5K, 10K, 15K, & Half Marathon at Heri...

Olympia, WA

Saturday, August 30th, 2025

10K
15K
1 Mile
View details for race Ninja 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (35)
Run Like a Viking Virtual Challenge 5K/10K/Half Marathon logo

Run Like a Viking Virtual Challenge 5K/10K/Half...

Seattle, WA

Monday, September 1st, 2025

10 Miles
Half
View details for race Run Like a Viking Virtual Challenge 5K/10K/Half Marathon
Cascade Express Marathon & Half Marathon logo

Cascade Express Marathon & Half Marathon

North Bend, WA

Saturday, September 6th, 2025

Marathon
Half
Fast
BQ
View details for race Cascade Express Marathon & Half Marathon
Beat the Blerch logo

Beat the Blerch

Carnation, WA

Saturday, September 6th, 2025

5K
10K
Half
Trail
View details for race Beat the Blerch
PeaceHealth Appletree Marathon logo

PeaceHealth Appletree Marathon

Vancouver, WA

Saturday, September 6th, 2025

5K
Marathon
Half
Fast
View details for race PeaceHealth Appletree Marathon
2025 Backcountry Rise logo

2025 Backcountry Rise

Toutle, WA

Saturday, September 6th, 2025

Half
Ultra
Trail
View details for race 2025 Backcountry Rise
Medal Madness 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (27) 80 logo

Medal Madness 5K, 10K, & Half Marathon at Langu...

Everett, WA

Saturday, September 6th, 2025

5K
10K
Half
View details for race Medal Madness 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (27) 80
Cascade Express Marathon & Half Marathon logo

Cascade Express Marathon & Half Marathon

Snoqualmie Pass, WA

Saturday, September 6th, 2025

Half
Marathon
Trail
BQ
View details for race Cascade Express Marathon & Half Marathon
Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (36) 80 logo

Medal Madness 5K, 10K, & Half Marathon at Herit...

Olympia, WA

Saturday, September 6th, 2025

5K
10K
Half
View details for race Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (36) 80
National Chocolate Day: Run for Chocolates SEATTLE logo

National Chocolate Day: Run for Chocolates SEATTLE

Seattle, WA

Saturday, September 13th, 2025

5K
10K
Half
View details for race National Chocolate Day: Run for Chocolates SEATTLE
Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (37) 150 logo

Medal Madness 5K, 10K, & Half Marathon at Herit...

Olympia, WA

Saturday, September 13th, 2025

5K
10K
Half
View details for race Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (37) 150
Skagit Flats 5k, Half & Full Marathon logo

Skagit Flats 5k, Half & Full Marathon

Burlington, WA

Sunday, September 14th, 2025

5K
Half
Marathon
BQ
View details for race Skagit Flats 5k, Half & Full Marathon
Anacortes Half Marathon & 5k logo

Anacortes Half Marathon & 5k

Anacortes, WA

Saturday, September 20th, 2025

Half
5K
Trail
Fast
View details for race Anacortes Half Marathon & 5k
RUN THE DAM 2025 logo

RUN THE DAM 2025

Grand Coulee, WA

Saturday, September 20th, 2025

View details for race RUN THE DAM 2025
Orca Half Marathon logo

Orca Half Marathon

Seattle, WA

Saturday, September 20th, 2025

Half
View details for race Orca Half Marathon
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (38) logo

Medal Madness 1M, 5K, 10K, 15K, & Half Marathon...

Everett, WA

Saturday, September 20th, 2025

10K
15K
1 Mile
View details for race Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (38)
Bellingham Bay Marathon logo

Bellingham Bay Marathon

Bellingham, WA

Sunday, September 21st, 2025

5K
Half
Marathon
View details for race Bellingham Bay Marathon
Quilcene Oyster Races logo

Quilcene Oyster Races

Quilcene, WA

Sunday, September 21st, 2025

Half
10K
5K
View details for race Quilcene Oyster Races
2025 Northwest Series - Day 3 (WA) logo

2025 Northwest Series - Day 3 (WA)

Clarkston, WA

Monday, September 22nd, 2025

10K
5K
Half
View details for race 2025 Northwest Series - Day 3 (WA)
2025 Northwest Series - Day 4 (WA) logo

2025 Northwest Series - Day 4 (WA)

Clarkston, WA

Tuesday, September 23rd, 2025

10K
5K
Half
View details for race 2025 Northwest Series - Day 4 (WA)
National Singles Day: Singles & Friends Running Club SEATTLE logo

National Singles Day: Singles & Friends Running...

Seattle, WA

Saturday, September 27th, 2025

5K
10K
Half
View details for race National Singles Day: Singles & Friends Running Club SEATTLE
National Coffee Day: Run for Coffee SEATTLE logo

National Coffee Day: Run for Coffee SEATTLE

Seattle, WA

Saturday, September 27th, 2025

5K
10K
Half
View details for race National Coffee Day: Run for Coffee SEATTLE
BRRC 48th Colbert Autumn Classic Half Marathon and 3rd Annual 4-Mile Loop logo

BRRC 48th Colbert Autumn Classic Half Marathon ...

Colbert, WA

Saturday, September 27th, 2025

Half
View details for race BRRC 48th Colbert Autumn Classic Half Marathon and 3rd Annual 4-Mile Loop
Medal Madness 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (39) 80 logo

Medal Madness 5K, 10K, & Half Marathon at Liber...

Spokane, WA

Saturday, September 27th, 2025

5K
10K
Half
View details for race Medal Madness 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (39) 80
Fidalgo Trail Run logo

Fidalgo Trail Run

Anacortes, WA

Saturday, September 27th, 2025

Half
Marathon
Trail
View details for race Fidalgo Trail Run
Run for the Gnomes logo

Run for the Gnomes

Maple Valley, WA

Saturday, October 4th, 2025

10K
Half
Fast
View details for race Run for the Gnomes
Haunted 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (40) logo

Haunted 1M, 5K, 10K, 15K, & Half Marathon at La...

Everett, WA

Saturday, October 4th, 2025

10K
15K
5K
View details for race Haunted 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (40)
Run for the Gnomes Half Marathon & 10K logo

Run for the Gnomes Half Marathon & 10K

Maple Valley, WA

Saturday, October 4th, 2025

Half
10K
Fast
View details for race Run for the Gnomes Half Marathon & 10K
Poulsbo Half Marathon & 10k logo

Poulsbo Half Marathon & 10k

Poulsbo, WA

Sunday, October 5th, 2025

Half
10K
Trail
View details for race Poulsbo Half Marathon & 10k
Haunted 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (41) logo

Haunted 1M, 5K, 10K, 15K, & Half Marathon at He...

Olympia, WA

Saturday, October 11th, 2025

10K
15K
1 Mile
View details for race Haunted 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (41)
Haunted 5K, 10K, & 13.1 at McCollum Park, Everett, WA (41) 30 logo

Haunted 5K, 10K, & 13.1 at McCollum Park, Evere...

Everett, WA

Saturday, October 11th, 2025

5K
10K
Half
Trail
View details for race Haunted 5K, 10K, & 13.1 at McCollum Park, Everett, WA (41) 30
Falla Walla Half Marathon, 10K & Heroes 5K Run logo

Falla Walla Half Marathon, 10K & Heroes 5K Run

Walla Walla, WA

Saturday, October 11th, 2025

Half
10K
5K
Trail
Fast
View details for race Falla Walla Half Marathon, 10K & Heroes 5K Run
Girlfriends Run logo

Girlfriends Run

Vancouver, WA

Sunday, October 12th, 2025

10K
Half
View details for race Girlfriends Run
Sun City Barry James Memorial 5K and Half Marathon logo

Sun City Barry James Memorial 5K and Half Marathon

Yakima, WA

Sunday, October 12th, 2025

5K
Half
View details for race Sun City Barry James Memorial 5K and Half Marathon
The Spokane Marathon logo

The Spokane Marathon

Spokane, WA

Sunday, October 12th, 2025

Marathon
Half
10K
View details for race The Spokane Marathon
Lake Washington Half Marathon logo

Lake Washington Half Marathon

Kirkland, WA

Saturday, October 18th, 2025

Half
Trail
View details for race Lake Washington Half Marathon
Haunted 1M, 5K, 10K, 15K, 13.1 & 26.2 at Lowell Riverfront Park, Everett, WA (42) 80 logo

Haunted 1M, 5K, 10K, 15K, 13.1 & 26.2 at Lowell...

Everett, WA

Saturday, October 18th, 2025

1 Mile
5K
10K
View details for race Haunted 1M, 5K, 10K, 15K, 13.1 & 26.2 at Lowell Riverfront Park, Everett, WA (42) 80
The Salty Half and 10K too! logo

The Salty Half and 10K too!

Seattle, WA

Saturday, October 18th, 2025

Half
10K
View details for race The Salty Half and 10K too!
Haunted 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (42) logo

Haunted 1M, 5K, 10K, 15K, & Half Marathon at Ch...

Pasco, WA

Saturday, October 18th, 2025

10K
15K
1 Mile
View details for race Haunted 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (42)
Haunted 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (43) 80 logo

Haunted 1M, 5K, 10K, 15K, & Half Marathon at Li...

Spokane, WA

Saturday, October 25th, 2025

10K
15K
1 Mile
View details for race Haunted 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (43) 80
Haunted 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (43) 80 logo

Haunted 5K, 10K, & Half Marathon at Heritage Pa...

Olympia, WA

Saturday, October 25th, 2025

5K
10K
Half
View details for race Haunted 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (43) 80
Pie Gobbler 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (44) 80 logo

Pie Gobbler 5K, 10K, & Half Marathon at Langus ...

Everett, WA

Saturday, November 1st, 2025

5K
10K
Half
View details for race Pie Gobbler 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (44) 80
Pie Gobbler 5K, 10K, 13.1 & 26.2 at Heritage Park, Olympia, WA (44) 150 logo

Pie Gobbler 5K, 10K, 13.1 & 26.2 at Heritage Pa...

Olympia, WA

Saturday, November 1st, 2025

5K
10K
Half
View details for race Pie Gobbler 5K, 10K, 13.1 & 26.2 at Heritage Park, Olympia, WA (44) 150
Pie Gobbler 5K, 10K, & 13.1 at McCollum Park, Everett, WA (45) 80 logo

Pie Gobbler 5K, 10K, & 13.1 at McCollum Park, E...

Everett, WA

Saturday, November 8th, 2025

5K
10K
Half
Trail
View details for race Pie Gobbler 5K, 10K, & 13.1 at McCollum Park, Everett, WA (45) 80
Pie Gobbler 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (45) logo

Pie Gobbler 5K, 10K, & Half Marathon at Heritag...

Olympia, WA

Saturday, November 8th, 2025

5K
10K
Half
View details for race Pie Gobbler 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (45)
Run the Bay logo

Run the Bay

University Place, WA

Sunday, November 9th, 2025

Half
10K
5K
Trail
View details for race Run the Bay
Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (46) 80 logo

Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon a...

Pasco, WA

Saturday, November 15th, 2025

1 Mile
5K
10K
View details for race Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (46) 80
Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (46) 80 logo

Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon a...

Everett, WA

Saturday, November 15th, 2025

10K
15K
1 Mile
View details for race Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (46) 80
Pie Gobbler 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (47) logo

Pie Gobbler 5K, 10K, & Half Marathon at Heritag...

Olympia, WA

Saturday, November 22nd, 2025

5K
10K
Half
View details for race Pie Gobbler 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (47)
Pie Gobbler 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (47) 80 logo

Pie Gobbler 5K, 10K, & Half Marathon at Liberty...

Spokane, WA

Saturday, November 22nd, 2025

5K
10K
Half
Trail
View details for race Pie Gobbler 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (47) 80

Explore more in Washington, US

Distances:

5K10KHalf MarathonMarathon

Months:

AugustSeptemberOctober

Tags:

TrailBoston QualifiersFast Courses

Don't see your race? Add it!

Add Your Race (Free)
Privacy PolicyTerms of ServiceContactAdd Your Race

© 2025 Find The Run. All rights reserved.