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Races in Idaho - September 2026

Browse 18+ upcoming races in Idaho for September 2026.

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Races in Idaho - September 2026

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Pocatello Marathon

Sep 5, 2026
Pocatello, ID
26.2M13.1M10K5K1.5M
84°
53°
3%

Salmon Marathon and Half Marathon

Sep 5, 2026
Salmon, ID
26.2M13.1M
74°
37°
4%

Crater Crawl

Sep 12, 2026
Mountain Home, ID
6.2M2.9M
83°
55°
2%

Harvest Classic Fun Run

Sep 12, 2026
Nampa, ID
5M2M1M
83°
55°
2%

IMTUF100

Sep 19, 2026
McCall, ID
100M
70°
38°
6%

IMTUF 100 - Idaho Mountain Trail Ultra Festival

Sep 19, 2026
McCall, ID
100M20M
70°
38°
6%

Priest Lake Marathon

Sep 19, 2026
Priest Lake, ID
31686M26.2M13.1M6.2M
71°
39°
7%

Walk,Run,Read for Literacy

Sep 19, 2026
Coeur d'Alene, ID
10K5K1M
75°
47°
3%

Priest Lake Marathon and 50K

Sep 19, 2026
Priest Lake, ID
31.1M26.2M13.1M10K
71°
39°
7%

Bear Lake Brawl Triathlon

Sep 19, 2026
Saint Charles, ID
138.2M114.4M69.1M57.2M31.8MMarathon14.3M2.4M
70°
39°
6%

Northwest Series - Day 5 ID

Sep 23, 2026
Lewiston, ID
26.2M13.1M10K5K
76°
50°
2%

Northwest Series - Day 6 ID

Sep 24, 2026
Lewiston, ID
26.2M13.1M10K5K
76°
50°
2%

Top of Tamarack

Sep 26, 2026
Donnelly, ID
15M15M
67°
34°
8%

3rd Annual LESS Society Table Rock Run

Sep 26, 2026
Boise, ID
3.7M
75°
50°
3%

Bogus 50/50

Sep 26, 2026
Boise, ID
50M31.1M16.8M
75°
50°
3%

Speedy Spud 5K

Sep 26, 2026
Rexburg, ID
5K1M
68°
39°
7%

LESS Society Table Rock Run

Sep 26, 2026
Boise, ID
3.8M
75°
50°
3%

FitOne Half Marathon

Sep 26, 2026
Boise, ID
13.1M10K5K
75°
50°
3%
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