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Idaho > Teton Dam Marathon, Half Marathon, 10K & 5K
Rexburg, ID  •  Sunday, June 8, 2014  •  Course Map


An out-and-back race that takes runners on a commemorative tour of the site of the famous Teton Dam break, which inundated the nearby town of Rexburg in 1976, the Teton Dam Marathon, Half Marathon and Relay offers views of beautiful scenery, quaint towns and farmland and wide expanses of open spaces.

The USATF-certified course for the half marathon begins and ends in Rexburg's Smith Park, and winds along paved country roads and tree-lined streets in the city.

The half starting time is 7:30 AM, and race organizers encourage runners planning on this race to include hill training in their preparations, as the course's gentle, rolling hills meet runners late in the race. The event usually host a small field of runners, which past participants say adds to its personal, intimate charm.

Race Weather & Climate

Weather conditions in the Rexburg area tend to be cool to moderately warm in the summer months, as June is the city's rainiest month of the year. Record temperatures here during the month have fallen as low as 29 degrees (in 1998) to as high as 102 degrees (in 1988).

June Avg. Day of Race Monthly Precip.
Low: 47°F Low: 46°F Rain: 1.96 in.
High: 74°F High: 72°F Snow: N/A

Course Map

See the race route map for the Teton Dam Half Marathon

Starting Time

6:30 AM - full marathon
7:30 AM - half marathon
8:00 AM - 10K
8:30 AM - 5K


$50 for the half marathon, if registered by August 31, 2013
$60 between September 1 - May 4, 2014
$70 between May 5 - June 2
$80 between June 3 - 11
$90 on June 12 - 14


To reserve your spot in the late spring/early summer 2014 running of Rexburg's Teton Dam Marathon, Half Marathon, Relay, 10K or 5K race, register online at Active.com.

Official Race Website


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Ever run in Idaho's annual Teton Dam Marathon or Half Marathon? Share your impressions, stories and tips from the event.

SEE ALSO: 12-, 16- and 20-Week Half Marathon Training Plans
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