Dam to Dam

03 Jun 2018 (Sun)


Half marathon

Join Dam to Dam

Is there another race that represents Iowa running more than Dam to Dam? Frankly the answer is easy--NO! Dam to Dam is for runners; not a charity, a sponsor or a non-running organization. It is “run” by volunteers and non-profit.

With marathons being out of reach, Dam to Dam seems to revive an early summer goal to go far enough to tire but not so far to fall apart. There has been little doubt that each year this race displays Iowa talent as well as any race. Additionally each runner is treated like the next.

Des Moines’ Dam to Dam races offer some of the flattest terrain and most scenic views that Iowa’s capitol city has to offer, with a race that starts at one dam outside the city and crosses over another in the heart of downtown.

Destacable en la ruta

Runners start the race outside the city at the Saylorville Dam, which was built over a dozen years between the mid-1960s and the late 1970s as a way to control floods on the Des Moines River. From there, the race starts in the middle of the dam and heads east toward Horseshoe Road and 37th Street, and from there heads into the Des Moines River valley.

The next stretch features a big downhill around the 1st mile marker and then lots of flat terrain through the valley, as runners head south along 37th Street, Toni Drive and 66th Avenue. The elevation doesn’t change much again for the next five miles, remaining flat until runners hit the half-way point of the race on Morningstar Drive.

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Route map

directions_runStart Address: Saylorville Dam, Johnston, IA 50131, USA

flagFinish Address: 1201-1299 Grand Ave, Des Moines, IA 50309, USA

Dam to Dam Route Map


After Race Services

Water, refreshments, drink and osteopathic manipulation therapy will be available near the finish line. Portable bathrooms are available on the south side of the finish area. Results will posted on the east side of the Pappajohn Center at 12th & Grand. Refreshments are available on Locust Street. Finishers must show their race number and be prepared to show a photo ID for alcoholic beverages.

Age Limit

Half-Marathon entrants must be at least 12 years old. 12 & 13 year old entrants must run with a parent.

Aid Stations

Water stations are provided at least every 2 miles with medical support at the last water stations.

Award Medals

A special Dam to Dam medal will be presented to each finisher under 3 hours 15 minutes immediately after crossing the finish line area. Half-Marathon awards will be presented at 9:45am near the finish area. Top male and female Half-Marathon winners will be announced to the crowd and receive a trophy. Top 10 money winners are eligible for age group awards. Brooks apparel will be awarded to all age division winners at the awards tent, 13th & Grand, west of the Pappajohn Center, beginning at 9:00am.

Maximum Time

Course open for 3 hours 15 minutes (until 10:15am)


All runners will be provided a bib chip. Your race number will have a chip affixed to the back. You will be timed according to your chip or net time. Open and age division awards will be determined by gun time. The bib chip cannot be folded, pinned or bent in anyway for it to record your time correctly - failure to wear the race number correctly will result in disqualification.



Dam to Dam

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The race information has been found on the official website of the event or through publicly available sources. Always refer to the official website the latest race information. Please let us know if any data is wrong or missing, by emailing us.