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Upcoming Half Marathon Races Near Seattle, WA

Run Like a Viking Virtual Challenge 5K/10K/Half Marathon logo

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

Seattle, WA

Friday, August 1st, 2025

10 Miles
Half
View details for race Run Like a Viking Virtual Challenge 5K/10K/Half Marathon
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (31) logo

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

Everett, WA

Saturday, August 2nd, 2025

10K
15K
1 Mile
View details for race Ninja 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (31)
Race the Reserve Whidbey Island logo

Race the Reserve Whidbey Island

Coupeville, WA

Saturday, August 9th, 2025

5K
10K
Half
View details for race Race the Reserve Whidbey Island
Twilight at the Bay logo

Twilight at the Bay

University Place, WA

Saturday, August 16th, 2025

Half
10K
5K
Trail
View details for race Twilight at the Bay
Iron Horse Half Marathon logo

Iron Horse Half Marathon

North Bend, WA

Sunday, August 24th, 2025

Half
View details for race Iron Horse Half Marathon
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (27) logo

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

Everett, WA

Saturday, September 6th, 2025

10K
15K
5K
View details for race Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (27)
Cascade Express Marathon & Half Marathon logo

Cascade Express Marathon & Half Marathon

North Bend, WA

Saturday, September 6th, 2025

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

Beat the Blerch

Carnation, WA

Saturday, September 6th, 2025

5K
10K
Half
View details for race Beat the Blerch
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (37) logo

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

Olympia, WA

Saturday, September 13th, 2025

10K
15K
1 Mile
View details for race Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (37)
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 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (38) 80 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) 80
Orca Half Marathon logo

Orca Half Marathon

Seattle, WA

Saturday, September 20th, 2025

Half
View details for race Orca Half Marathon
Quilcene Oyster Races logo

Quilcene Oyster Races

Quilcene, WA

Sunday, September 21st, 2025

Half
10K
5K
View details for race Quilcene Oyster Races
National Coffee Day: Run for Coffee SEATTLE logo

National Coffee Day: Run for Coffee SEATTLE

Seattle, WA

Saturday, September 27th, 2025

5K
10K
Half
Fast
View details for race National Coffee Day: Run for Coffee SEATTLE
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
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 logo

Run for the Gnomes

Maple Valley, WA

Saturday, October 4th, 2025

10K
Half
View details for race Run for the Gnomes
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
View details for race Poulsbo Half Marathon & 10k
Haunted 5K, 10K, & 13.1 at McCollum Park, Everett, WA (41) 80 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) 80
Haunted 1M, 5K, 10K, 15K, 13.1 & 26.2 at Heritage Park, Olympia, WA (41) 150 logo

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

Olympia, WA

Saturday, October 11th, 2025

1 Mile
5K
10K
View details for race Haunted 1M, 5K, 10K, 15K, 13.1 & 26.2 at Heritage Park, Olympia, WA (41) 150
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, & Half Marathon at Lowell Riverfront Park, Everett, WA (42) logo

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

Everett, WA

Saturday, October 18th, 2025

10K
15K
1 Mile
View details for race Haunted 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (42)
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 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (44) 80 logo

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

Everett, WA

Saturday, November 1st, 2025

10K
15K
1 Mile
View details for race Pie Gobbler 1M, 5K, 10K, 15K, & 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
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 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)
2025 Seattle Ghost Marathon, Half & 50K logo

2025 Seattle Ghost Marathon, Half & 50K

Seattle, WA

Saturday, November 29th, 2025

Half
Marathon
Ultra
Fast
View details for race 2025 Seattle Ghost Marathon, Half & 50K
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (49) 80 logo

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

Everett, WA

Saturday, December 6th, 2025

10K
15K
1 Mile
View details for race Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (49) 80
Medal Madness 5K, 10K, & 13.1 at McCollum Park, Everett, WA (50) 80 logo

Medal Madness 5K, 10K, & 13.1 at McCollum Park,...

Everett, WA

Saturday, December 13th, 2025

5K
10K
Half
View details for race Medal Madness 5K, 10K, & 13.1 at McCollum Park, Everett, WA (50) 80
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (50) 100 logo

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

Olympia, WA

Saturday, December 13th, 2025

10K
15K
1 Mile
View details for race Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (50) 100
Holiday 5K, 10K, & Half Marathon at Lowell Riverfront Park, Everett, WA (51) 70 logo

Holiday 5K, 10K, & Half Marathon at Lowell Rive...

Everett, WA

Saturday, December 20th, 2025

5K
10K
Half
View details for race Holiday 5K, 10K, & Half Marathon at Lowell Riverfront Park, Everett, WA (51) 70
Holiday 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (52) 100 logo

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

Olympia, WA

Saturday, December 27th, 2025

5K
10K
Half
View details for race Holiday 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (52) 100
New Year 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (02) 60 logo

New Year 1M, 5K, 10K, 15K, & Half Marathon at H...

Olympia, WA

Saturday, January 10th, 2026

10K
15K
1 Mile
View details for race New Year 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (02) 60
Lake Sammamish Half Marathon logo

Lake Sammamish Half Marathon

Redmond, WA

Saturday, March 7th, 2026

Half
Trail
View details for race Lake Sammamish Half Marathon
Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (10) 80 logo

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

Olympia, WA

Saturday, March 14th, 2026

1 Mile
5K
10K
View details for race Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (10) 80
Seattle Cherry Blossom Run logo

Seattle Cherry Blossom Run

Seattle, WA

Saturday, March 28th, 2026

5K
10K
Half
View details for race Seattle Cherry Blossom Run
Pirate 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (15) 150 logo

Pirate 1M, 5K, 10K, 15K, & Half Marathon at Her...

Olympia, WA

Saturday, April 11th, 2026

1 Mile
5K
10K
View details for race Pirate 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (15) 150

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