Running
Marathon
42.2 km
Sundance to Spearfish Marathon
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Road runs in United States, Sundance
Distances
Running
Half Marathon
21.1 km
Running
10K
10 km
Running
5K
5 km
About
The Sundance to Spearfish Marathon connects the scenic communities of Sundance and Spearfish in the Black Hills, offering a fast and well-supported course. It was the 402nd largest marathon in the U.S. last season, known for strong Boston-qualifying finisher rates.
Catering & aid stations
Water and sports drink aid stations; small snacks at select locations (see route map).
Pacers
Pacemakers will lead target groups at the start using a visible pacer flag at key splits. Refer to the event schedule on race day for pacers and target times.
Surface mix
- 100% asphalt
Typical weather in Sundance
Monthly averages based on historical data (2000–present).
Jan30°12°
↑ 07:31
↓ 16:44
Feb30°11°
↑ 06:59
↓ 17:26
Mar42°22°
↑ 07:10
↓ 19:04
Apr49°29°
↑ 06:13
↓ 19:43
May60°39°
↑ 05:31
↓ 20:19
Jun72°50°
↑ 05:13
↓ 20:45
Jul81°59°
↑ 05:28
↓ 20:40
Aug79°56°
↑ 06:02
↓ 20:04
Sep70°48°
↑ 06:38
↓ 19:09
Oct53°34°
↑ 07:14
↓ 18:14
Nov41°23°
↑ 06:55
↓ 16:31
Dec30°14°
↑ 07:28
↓ 16:20
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Sign up nowLast updated: Jun 6, 2026, 12:30:00 AM
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