EMC DAM to DSM Half Marathon
DAM to DSM traces a point-to-point line from Saylorville Dam through Polk County fields and river neighborhoods to downtown Des Moines on a historic route.
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Quick facts
- Central Iowa tradition dating to 1980.
- Point-to-point route from Saylorville Dam.
- Rural, river and downtown sections.
- More than 140,000 past participants.
About the EMC DAM to DSM Half Marathon
More than 140,000 runners have taken part in this central Iowa tradition since 1980. The half's defining idea is visible at the start: downtown Des Moines sits on the horizon beyond Saylorville Dam.
Course
Runners cross Saylorville Dam, move south through rural Polk County, traverse Interstate 35 on the Morningstar bridge and continue through north-side neighborhoods toward downtown.
Race-day weather
Early June can bring humidity, rising temperatures and thunderstorms to central Iowa. The exposed dam and rural miles make wind direction important before the city provides more shelter.
Past EMC DAM to DSM Half Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2027 | Saturday, June 5, 2027 | Upcoming | — |
EMC DAM to DSM Half Marathon FAQ
When is the EMC DAM to DSM Half Marathon?
The 2027 EMC DAM to DSM Half Marathon is on Saturday, June 5, 2027.
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