Half marathons in Washington
122 upcoming half marathons in Washington, with dates and field depth before you enter.
October 2026
- Sat, Oct 31In Unity We Run Marathon and Half MarathonKentHalf marathon
- Sat, Oct 31Halloween Trick or Trot Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Oct 31PB&J Fuel Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Oct 31Medal Madness 5K, 10K, 13.1M at Vancouver, WA (44)Vancouver5K10KHalf marathon
November 2026
- Sat, Nov 7Gobbler 5K, 10K, & Half MarathonEverettHalf marathon
- Sat, Nov 7Gobbler 5K, 10K, & 13.1M at Everett, WA (45)Everett5K10KHalf marathon
- Sun, Nov 8Run the BayUniversity Place5K10KHalf marathon
- Sat, Nov 14Gobbler 5K, 10K, and Half MarathonEverettHalf marathon
- Sat, Nov 14Run for Mental Health 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Nov 14Veterans Day Freedom Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Nov 14Gobbler 5K, 10K, & 13.1M at Camas, WA (46)Camas5K10KHalf marathon
- Sat, Nov 14Gobbler 5K, 10K, & 13.1M at Everett, WA (46)Everett5K10KHalf marathon
- Sat, Nov 14Gobbler 5K, 10K & 13.1M at Olympia, WA (46)Olympia5K10KHalf marathon
- Sat, Nov 21Gobbler 5K, 10K, & Half MarathonPascoHalf marathon
- Sat, Nov 21Gobbler 5K, 10K, & Half MarathonEverettHalf marathon
- Sat, Nov 21Gobbler 5K, 10K, 13.1M at Vancouver, WA (47)Vancouver5K10KHalf marathon
- Sat, Nov 21Gobbler 5K, 10K, & 13.1M at Everett, WA (47)Everett5K10KHalf marathon
- Sat, Nov 21Gobbler 5K, 10K, 13.1M at Pasco, WA (47)Pasco5K10KHalf marathon
- Thu, Nov 26Wattle Waddle Marathon and Half MarathonKirklandHalf marathon
- Fri, Nov 27Grateful Runners Marathon and Half MarathonBothellHalf marathon
- Sat, Nov 28Gobbler 5K, 10K, & Half MarathonSpokaneHalf marathon
- Sat, Nov 28Gobbler 5K, 10K, and Half MarathonOlympiaHalf marathon
- Sat, Nov 28Coffee Lovers Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Nov 28Thanksgiving Gobble Trot Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Nov 282026 Seattle Ghost Marathon, Half & 50KSeattleHalf marathonMarathon Local
- Sat, Nov 28Gobbler 5K, 10K, & 13.1M at Camas, WA (48)Camas5K10KHalf marathon
- Sat, Nov 28Gobbler 5K, 10K, & 13.1M at Olympia, WA (48)Olympia5K10KHalf marathon
- Sat, Nov 28Gobbler 5K, 10K, & 13.1M, Spokane, WA (48)Spokane5K10KHalf marathon
December 2026
- Sat, Dec 5Holiday 5K, 10K, & Half MarathonEverettHalf marathon
- Sat, Dec 5Holiday 5K, 10K, & 13.1M at Everett, WA (49)Everett5K10KHalf marathon
- Sat, Dec 12Run for Breast Cancer 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Dec 12Sunrise Marathon 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Dec 12Holiday 5K, 10K, & 13.1M at Camas, WA (50)Camas5K10KHalf marathon
- Sat, Dec 12Holiday 5K, 10K, & 13.1M at Everett, WA (50)Everett5K10KHalf marathon
- Sat, Dec 12Holiday 5K, 10K, & 13.1M at Olympia, WA (50)Olympia5K10KHalf marathon
- Sat, Dec 12Santa Runs TacomaTacoma5K10KHalf marathon Local
- Sat, Dec 19Holiday 5K, 10K, & Half MarathonEverettHalf marathon
- Sat, Dec 19Holiday 5K, 10K, 13.1M at Vancouver, WA (51)Vancouver5K10KHalf marathon
- Sat, Dec 19Holiday 5K, 10K, & 13.1M at Everett, WA (51)Everett5K10KHalf marathon
- Sat, Dec 26Holiday 5K, 10K, & Half MarathonSpokaneHalf marathon
- Sat, Dec 26Holiday 5K, 10K, and Half MarathonOlympiaHalf marathon
- Sat, Dec 26A Merry Christmas Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Dec 26New Year's Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Dec 26Holiday 5K, 10K, & 13.1M at Camas, WA (52)Camas5K10KHalf marathon
- Sat, Dec 26Holiday 5K, 10K, & 13.1M at Olympia, WA (52)Olympia5K10KHalf marathon
- Sat, Dec 26Holiday 5K, 10K, & 13.1M at Spokane, WA (52)Spokane5K10KHalf marathon
January 2027
- Fri, Jan 12027 SRC Season Pass and Multi-Race PassesSnohomishHalf marathon
- Sat, Jan 16MLK Jr. Freedom Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Jan 16Sunrise Marathon 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Jan 16Medal Madness 5K, 10K, 13.1M at Vancouver, WA (03)Vancouver5K10KHalf marathon
- Sat, Jan 30Coffee Lovers Run SEATTLESeattle5K10KHalf marathon
- Sat, Jan 30Run for Donut SEATTLESeattle5K10KHalf marathon
- Sat, Jan 30Medal Madness 5K, 10K, 13.1M at Vancouver, WA (05)Vancouver5K10KHalf marathon
February 2027
- Sat, Feb 6Green River Half Marathon and Double Half (full)KentHalf marathon
- Sat, Feb 13Run for Chocolate 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Feb 13Valentine's Day Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sun, Feb 14My Better Half MarathonSeattle5K10KHalf marathon Competitive
- Sat, Feb 20Viking 5K, 10K, 13.1M at Vancouver, WA (08)Vancouver5K10KHalf marathon
- Sat, Feb 27Run For Mental Health SEATTLESeattle5K10KHalf marathon
- Sat, Feb 27Run Together Against Breast Cancer SEATTLESeattle5K10KHalf marathon
- Sat, Feb 272027 Woodinville Half and 10KWoodinville10KHalf marathon
- Sat, Feb 27Rock Solid Marathon, Half MarathonCoupevilleHalf marathonMarathon
- Sun, Feb 28CCRC Vancouver Lake Half MarathonVancouverHalf marathon
- Sun, Feb 28Vancouver Lake Half Marathon & 4 Mile RunVancouverHalf marathon Very competitive
March 2027
- Sat, Mar 6Brooks Lake Sammamish Half Marathon presented by REIRedmondHalf marathon Very competitive
- Sun, Mar 7Brooks Lake Sammamish Half Marathon presented by REIRedmondHalf marathon Very competitive
- Sat, Mar 13Run The GreenKent10KHalf marathon Very competitive
- Sat, Mar 13St. Paddy's Day Run TacomaTacoma5K10KHalf marathon Competitive
- Sun, Mar 14Shamrock ShuffleSpokane5K10KHalf marathon Very competitive
- Sat, Mar 20St. Paddy's Day Lucky Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Mar 20Sunrise Marathon 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Mar 20Squirrel 5K, 10K, 13.1M at Vancouver, WA (12)Vancouver5K10KHalf marathon
- Sat, Mar 27Whitehorse Half MarathonArlingtonHalf marathon
- Sat, Mar 27Always Hope Easter Run SEATTLESeattle5K10KHalf marathon
- Sat, Mar 27SuperHeroes Run SEATTLESeattle5K10KHalf marathon
- Sat, Mar 272027 Mill Town Half Marathon, 10K and 5KEverett5K10KHalf marathon Competitive
April 2027
- Sat, Apr 10Run for PB&J 5k/10k/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Apr 10Sloth Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Apr 10OAT RunPort AngelesHalf marathon
- Sat, Apr 10The SplitSpokane5K10KHalf marathon Local
- Sat, Apr 17Medal Madness 5K, 10K, 13.1M at Vancouver, WA (16)Vancouver5K10KHalf marathon
- Sat, Apr 17Run the RiverKennewick5KHalf marathonMarathon Local
- Sat, Apr 24Coffee Lovers Run SEATTLESeattle5K10KHalf marathon
- Sat, Apr 24Run for Donut SEATTLESeattle5K10KHalf marathon
May 2027
- Sat, May 1Tacoma City Marathon / Half / Ghost / 10K / 5K / 1KTacoma5K10KHalf marathonMarathon
- Sat, May 1Spring Classic Duathlon, Half, 10k & 5kVancouver5K10KHalf marathon Competitive
- Sun, May 2Kirkland Half Marathon & 5KKirkland5KHalf marathon Local
- Sun, May 2Tacoma City Marathon / Half / Ghost / 10K / 5K / 1KTacomaHalf marathonMarathon
- Sat, May 8Snohomish Women's RunEverett5K10KHalf marathon Local
- Sat, May 8Run for Chocolate 5k/10k/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, May 8San Juan Island HalfFriday HarborHalf marathon Local
- Sat, May 15Pirate 5K, 10K, 13.1M at Vancouver, WA (20)Vancouver5K10KHalf marathon
- Sun, May 16Capital City MarathonOlympiaHalf marathonMarathon Local
- Sun, May 16Windermere MarathonSpokane5K10KHalf marathonMarathon Local
- Sun, May 16Annie Curtis Half Marathon & 5KAnacortes5KHalf marathon
- Sun, May 232027 Evergreen Half and 5 MileSnohomishHalf marathon Very competitive
- Sat, May 29SuperHeroes Run SEATTLESeattle5K10KHalf marathon
- Sat, May 29Medal Madness 5K, 10K, 13.1M at Vancouver, WA (22)Vancouver5K10KHalf marathon
- Sat, May 29Spring - Mud Mountain Dam Marathon & Half MarathonEnumclawHalf marathonMarathon Local
- Sat, May 29Big River RacePasco5K10KHalf marathon Competitive
June 2027
- Sun, Jun 6North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)Port AngelesHalf marathonMarathon
- Sun, Jun 6The Great Ferry RaceBainbridge IslandHalf marathon
- Sun, Jun 13Bound for Boston Marathon & Half Marathon - SeattleOlympiaHalf marathonMarathon
- Sat, Jun 19Run Juneteenth Day 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Jun 19Super Hyak Marathon and HalfNorth BendHalf marathonMarathon
- Sat, Jun 19Squirrel 5K, 10K, 13.1M at Vancouver, WA (25)Vancouver5K10KHalf marathon
July 2027
- Sat, Jul 17Medal Madness 5K, 10K, 13.1M at Vancouver, WA (29)Vancouver5K10KHalf marathon
- Sun, Jul 18Christmas 5K/10K/Half Marathon in July - RichlandRichland5K10KHalf marathon Local
- Sat, Jul 24Jack & Jill Marathon & HalfSnoqualmie PassHalf marathonMarathon
- Sun, Jul 25Jack & Jill Marathon & HalfSnoqualmie PassHalf marathonMarathon
- Sat, Jul 31Medal Madness 5K, 10K, 13.1M at Vancouver, WA (31)Vancouver5K10KHalf marathon
August 2027
- Sun, Aug 1Craft Classic SeattleRedmond5KHalf marathon Competitive
- Sat, Aug 14Popsicle 5K/10K/Half - Portland (Washougal)Washougal5K10KHalf marathon
- Sat, Aug 21Luau 5K, 10K, 13.1M at Vancouver, WA (34)Vancouver5K10KHalf marathon
- Sat, Aug 21Popsicle 5K/10K/Half - RichlandRichland5K10KHalf marathon
- Sun, Aug 29Iron Horse Half MarathonNorth BendHalf marathon Local
September 2027
- Sat, Sep 4Fall - Mud Mountain Dam Marathon & Half MarathonEnumclawHalf marathonMarathon Competitive
- Sat, Sep 18The Brooks Orca Half Marathon presented by REISeattleHalf marathon Local
- Sat, Sep 18Ninja 5K, 10K, 13.1M at Vancouver, WA (38)Vancouver5K10KHalf marathon
- Sun, Sep 19The Brooks Orca Half Marathon presented by REISeattleHalf marathon Local