Marathons in Washington State 2026-2027
36 marathons and 31 half marathons coming up in Washington State, by date. Rated races show how many minutes the course adds or saves against an average road race, from its climbing, surface and typical race-day weather.
Flattest marathons in Washington State
Rated road races, least total climbing first.
- 1.Skagit Flats MarathonBurlington, 28m climbing, -5 min vs average, Sept 2027
- 2.Mud Mountain Dam (Spring) MarathonEnumclaw, 55m climbing, -10 min vs average, May 2027
- 3.Mud Mountain Dam (Fall) MarathonEnumclaw, 55m climbing, -9 min vs average, Sept 2027
- 4.Super Hyak MarathonNorth Bend, 58m climbing, -6 min vs average, June 2027
- 5.Cascade Express MarathonNorth Bend, 58m climbing, -6 min vs average, Sept 2027
- 6.Light at the End of the Tunnel MarathonNorth Bend, 81m climbing, -6 min vs average, June 2027
- 7.Tunnel Vision MarathonNorth Bend, 81m climbing, -1 min vs average, Aug 2027
- 8.Tunnel Light MarathonNorth Bend, 81m climbing, -3 min vs average, Sept 2027
- 9.AppleTree MarathonVancouver, 83m climbing, +3 min vs average, Aug 2027
- 10.Windermere Marathon and Half MarathonSpokane, 88m climbing, -3 min vs average, May 2027
Flattest half marathons in Washington State
Rated road races, least total climbing first.
- 1.Wenatchee Half MarathonWenatchee, 110m climbing, -2 min vs average, Apr 2027
- 2.Bellingham Bay Half MarathonBellingham, 114m climbing, 0 min vs average, Sept 2027
- 3.North Olympic Discovery Half MarathonPort Angeles, 143m climbing, 0 min vs average, June 2027
- 4.Capital City Half MarathonOlympia, 158m climbing, +2 min vs average, May 2027
- 5.Whidbey Island Half MarathonWhidbey Island, 216m climbing, +2 min vs average, Apr 2027
Marathons in Washington State (36)
Nov 2026
- 28 Nov 2026 Seattle Ghost Marathon, Seattle, Washington
Dec 2026
- 31 Dec 2026 Last Chance Marathon, Bellingham, Washington
Apr 2027
Yakima River Canyon Marathon
-2 minSelah, Washington
3 Apr 2027Road237m gainFull
Whidbey Island Marathon
+12 minWhidbey Island, Washington
25 Apr 2027Road552m gainFull
- 17 Apr 2027 Wenatchee Marathon, Wenatchee, Washington
- 18 Apr 2027 Bremerton Marathon, Bremerton, Washington
- 25 Apr 2027 Fort Ebey Kettles Trail Marathon, Whidbey Island, Washington
May 2027
Tacoma City Marathon
+1 minTacoma, Washington
2 May 2027Road263m gainFull
UW Medicine Seattle Marathon and Half Marathon
+9 minSeattle, Washington
2 May 2027Road436m gainFull
Windermere Marathon and Half Marathon
-3 minSpokane, Washington
16 May 2027Road88m gainFull
Capital City Marathon
+1 minOlympia, Washington
16 May 2027Road252m gainFull
Mud Mountain Dam (Spring) Marathon
-10 minEnumclaw, Washington
30 May 2027Road55m gainFull
June 2027
North Olympic Discovery Marathon
+3 minPort Angeles, Washington
5 June 2027Road279m gainFull
Light at the End of the Tunnel Marathon
-6 minNorth Bend, Washington
13 June 2027Road81m gainFull
Windermere Marathon
+2 minSpokane, Washington
13 June 2027Road183m gainFull
Super Hyak Marathon
-6 minNorth Bend, Washington
13 June 2027Road58m gainFull
- 6 June 2027 Green River Marathon, Kent, Washington
- 13 June 2027 Bound for Boston (Seattle) Marathon, Olympia, Washington
July 2027
Aug 2027
Tunnel Vision Marathon
-1 minNorth Bend, Washington
8 Aug 2027Road81m gainFull
AppleTree Marathon
+3 minVancouver, Washington
29 Aug 2027Road83m gainFull
- 8 Aug 2027 Great Waterville Marathon, Waterville, Washington
Sept 2027
Cascade Express Marathon
-6 minNorth Bend, Washington
12 Sept 2027Road58m gainFull
Skagit Flats Marathon
-5 minBurlington, Washington
12 Sept 2027Road28m gainFull
Tunnel Light Marathon
-3 minNorth Bend, Washington
12 Sept 2027Road81m gainFull
Bellingham Bay Marathon
+5 minBellingham, Washington
19 Sept 2027Road305m gainFull
Mud Mountain Dam (Fall) Marathon
-9 minEnumclaw, Washington
19 Sept 2027Road55m gainFull
- 12 Sept 2027 Beat the Blerch (Carnation Saturday), Carnation, Washington
- 26 Sept 2027 Fidalgo Trail Run Marathon, Anacortes, Washington
Oct 2027
Nov 2027
- 6 Nov 2027 Grand Ridge Trail Marathon (November), Issaquah, Washington
Half marathons in Washington State (31)
Dec 2026
- 31 Dec 2026 Last Chance Marathon and Half Marathon, Bellingham, Washington
Mar 2027
- 6 Mar 2027 Brooks Lake Sammamish Half Marathon presented by REI, Redmond, Washington
Apr 2027
Wenatchee Half Marathon
-2 minWenatchee, Washington
17 Apr 2027Road110m gainHalf
Whidbey Island Half Marathon
+2 minWhidbey Island, Washington
25 Apr 2027Road216m gainHalf
- 3 Apr 2027 Yakima River Canyon Marathon and Half-Marathon, Yakima, Washington
May 2027
- 2 May 2027 Kirkland Half Marathon & 5K, Kirkland, Washington
- 2 May 2027 Never Say Never Half Marathon & 10K, Tieton, Washington
- 30 May 2027 Spring - Mud Mountain Dam Marathon & Half Marathon, Enumclaw, Washington
June 2027
July 2027
- 11 July 2027 Run Like the Wind -- Westport 5K, 10K and Half Marathon, Westport, Washington
- 18 July 2027 Olympia Lakefair Races - Half Marathon, 8K & 3K, Olympia, Washington
- 18 July 2027 B & O Half Marathon and 10k, Orting, Washington
Aug 2027
- 22 Aug 2027 Kirk-Wood Half Marathon, Kirkland, Washington
- 29 Aug 2027 Tacoma Narrows Half Marathon / 10K / 5K, Tacoma, Washington
- 29 Aug 2027 Iron Horse Half Marathon, North Bend, Washington
Sept 2027
- 5 Sept 2027 Redmond Harvest Half Marathon, Redmond, Washington
- 12 Sept 2027 Race For A Soldier Half Marathon, 10K & 5K, Virtual Run, and Kids Run, Gig Harbor, Washington
- 12 Sept 2027 Cascade Express Marathon & Half Marathon, North Bend, Washington
- 19 Sept 2027 Orca Half Marathon, Seattle, Washington
- 19 Sept 2027 Fall - Mud Mountain Dam Marathon & Half Marathon, Enumclaw, Washington
- 19 Sept 2027 Anacortes Half Marathon & 5k, Anacortes, Washington
- 26 Sept 2027 Puyallup Valley Half Marathon and 10K, Puyallup, Washington
Oct 2027
- 3 Oct 2027 Falla Walla Half Marathon, 10K & Heroes 5K Run, Walla Walla, Washington
- 3 Oct 2027 Poulsbo Half Marathon & 10k, Poulsbo, Washington
- 3 Oct 2027 Run for the Gnomes Half Marathon & 5K, Maple Valley, Washington
- 10 Oct 2027 The Snohomish River Run Marathon, Half Marathon, 10K and 5K, Snohomish, Washington
- 10 Oct 2027 Sun City Barry James Memorial 5K and Half Marathon, Yakima, Washington
- 17 Oct 2027 Lake Washington Half Marathon, Kirkland, Washington
Marathons in Washington State at a glance
- Busiest month: Sept 2027, with 15 races.
- A typical marathon here climbs about 119m in total (the median of 25 rated courses), against about 145m across the USA.
- A typical half marathon here climbs about 158m in total (the median of 6 rated courses), against about 113m across the USA.
- Hilliest: Whidbey Island Marathon, with 552m of climbing (road).
- Coolest race day on average: Last Chance Marathon (Dec 2026, a typical high of 6°C). Warmest: AppleTree Marathon (Aug 2027, 28°C).
Marathons in other states
- Alabama (18)
- Alaska (16)
- Arizona (19)
- Arkansas (19)
- California (153)
- Colorado (43)
- Connecticut (18)
- Florida (45)
- Georgia (USA) (33)
- Hawaii (16)
- Idaho (22)
- Illinois (36)
- Indiana (24)
- Iowa (18)
- Kansas (17)
- Kentucky (22)
- Louisiana (10)
- Maine (17)
- Maryland (25)
- Massachusetts (35)
- Michigan (58)
- Minnesota (24)
- Mississippi (9)
- Missouri (29)
- Montana (21)
- Nebraska (16)
- Nevada (17)
- New Hampshire (8)
- New Jersey (22)
- New Mexico (16)
- New York (74)
- North Carolina (42)
- Ohio (66)
- Oklahoma (11)
- Oregon (26)
- Pennsylvania (48)
- South Carolina (20)
- South Dakota (10)
- Tennessee (30)
- Texas (96)
- Utah (46)
- Vermont (10)
- Virginia (42)
- Washington State (67)
- West Virginia (17)
- Wisconsin (47)
- Wyoming (8)