Sat, Oct 10, 2026 · 7:30 AM · Hayden Lake, ID
Hayden Lake Marathon
0.5M5K6.55MHalf MarathonMarathon
- Price
- Free-$160
- Field size
- 150 · based on the organizer's entry cap
Marathons in Idaho
Every upcoming Marathon race we know about in Idaho. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Showing 8+ of 8 races · loading the full list…
Sun, Oct 11, 2026 · 8:00 AM · Boise, ID
City of Trees Marathon
5K10KHalf MarathonMarathon
- Price
- $22.20-$122.90
Sun, May 2, 2027 · 6:30 AM · Boise, ID
Boise River Marathon
5K10KHalf MarathonMarathonflat and fast
- Price
- $38.10-$64.60
Sat, May 15, 2027 · 7:00 AM · Boise, ID
YMCA Famous Idaho Potato Marathon & Fun Runs
5K10KHalf MarathonMarathonflat and fast
- Price
- $33.63-$97.68
Sat, May 29, 2027 · 7:00 AM · Coeur d'Alene, ID
CDA Marathon
1M5K10KHalf MarathonMarathonCertified course · per organizer
- Price
- Free-$107
Fri, Jun 4, 2027 · 10:00 AM · Sandpoint, ID
Sandpoint Marathon
5K10KHalf MarathonMarathonflat and fast
- Price
- $48.70-$186.50
Sat, Sep 4, 2027 · 6:15 AM · Pocatello, ID
27th Annual Pocatello Marathon
0.2M1M5K10KHalf MarathonMarathon
- Price
- $10.54-$64.60
- Field size
- 1,078 · based on the organizer's entry cap