Dam to DSM

Des Moines, United States of America · Saturday 31 May 2025

Previously known as the Dam to Dam, the Dam to DSM Half Marathon is one of Iowa’s most popular races, drawing thousands of runners each year to experience its unique point-to-point course from Saylorville Dam to downtown Des Moines. The race is known for its fast, scenic route, beginning near the massive Saylorville Reservoir before taking runners through a mix of rural landscapes, forested trails, and urban streets, with the final miles winding into Des Moines’ bustling city center.\n\nA major

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Your Marathon Time

Adjusted Time

4:01:31

Moderate Difficulty

Time difference: +1.5 minutes compared to a flat, road, temperate course.

Course Details

Elevation Gain67m

Elevation High285m

Elevation Low241m

Weather Forecast

High28°C

Low12°C

Chance of Rain1%

Dam to DSM

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Course Details

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