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Races in Idaho - May 2026
Browse 34+ upcoming races in Idaho for May 2026.
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Races in Idaho - May 2026
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Heavens Gate Marathon and Half Marathon
May 1, 2026
Riggins, ID
32.9M
16.1M
57°
32°
9%
Boise River Marathon
May 2, 2026
Eagle, ID
26.2M
13.1M
6.2M
3.1M
64°
39°
7%
GOTR Treasure Valley Spring 2026 5K
May 2, 2026
Meridian, ID
3.1M
69°
44°
6%
GOTR Treasure Valley Spring 5K
May 2, 2026
Meridian, ID
5K
69°
44°
6%
3/4 MINUS CYKELTUR
May 2, 2026
Sandpoint, ID
78M
56M
64°
34°
11%
Over the Top Trail Race
May 9, 2026
Pocatello, ID
15.5M
10M
5M
3M
69°
42°
5%
Boise Greenbelt Relays & 50 Mile Ultra
May 9, 2026
Boise, ID
50M
45M
71°
46°
6%
Long Bridge Half-Marathon
May 9, 2026
Sandpoint, ID
13.1M
6.2M
5K
67°
37°
10%
Boise Greenbelt Relays
May 9, 2026
Boise, ID
45M
45M
71°
46°
6%
RHS Annual Hustle for Mental Health
May 9, 2026
Idaho Falls, ID
3.1M
66°
36°
6%
Rivaura Rosé River Run/Walk
May 10, 2026
Juliaetta, ID
3.1M
67°
37°
12%
Rivaura Rose River Run
May 10, 2026
Juliaetta, ID
5K
67°
37°
12%
Famous Idaho Potato Marathon
May 16, 2026
Boise, ID
26.2M
13.1M
10K
5K
1M
73°
48°
7%
ZD30 First Push (1 Mile, 5K, and 10K)
May 16, 2026
Boise, ID
10K
5K
1M
73°
48°
7%
YMCA Famous Idaho Potato Marathon & Fun Runs Presented by The Idaho Potato Commission
May 16, 2026
Boise, ID
26.2M
13.1M
10K
5K
73°
48°
7%
YMCA Famous Idaho Potato Marathon & Fun Runs
May 16, 2026
Boise, ID
26.2M
13.1M
10K
5K
73°
48°
7%
Miles for Mimosas 5K - Cold Springs Winery
May 16, 2026
Hammett, ID
5K
73°
43°
3%
Sharon's Ride.Run.Walk
May 17, 2026
Boise, ID
5K
1M
73°
48°
7%
Sharon's Ride.Run.Walk. 2026
May 17, 2026
Boise, ID
15M
5K
3M
1M
73°
48°
7%
Miles for Mimosas 5K - Lindsay Creek
May 17, 2026
Lewiston, ID
5K
73°
49°
7%
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