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One of the largest foot races on the planet

Story by STRAVA June 4th, 2015

The bolder boulder history

The inaugural Bolder Boulder was in 1979, with 2,200 finishers. Today there are consistently over 50,000 participants. This race was the first to introduce a wave start and the first to provide race tags and mile splits to participants. It ends at the University of Colorado’s Folsom Field, with huge crowds filling the stadium. Perhaps the most unique aspect of the race is that the elite runners are the last wave, allowing for all of the finished participants to witness the winners of the international elite competition.


dressed to impress

From the elites to the back of the crowd athletes adorned costumes of wrestlers, superheroes, and gods.


the start

Due to the number of participants, there are over 90 wave starts. The first gun goes off just before 7am, with the last wave, the elite competition, leaving the start line at noon.

age is just a number

Running is a lifelong sport.


kids keep us young

Racers of all ages toed the line, including a 14-year-old who had participated 13 years in a row (in a stroller or on foot).


thanks for the support

A race wouldn’t be the same without fans and volunteers. Kudos!


the crowds

It was a packed stadium.

Most of the athletes hung around to watch and cheer on their fellow participants.


remembering our troops

Falling on Memorial Day, the race pays homage to the U.S. troops – those who gave their lives, those who are currently fighting and those who served their country.


the course and race community

The USATF certified 10K course runs through much of central Boulder, ending at the University of Colorado’s Folsom Field.

Check out how runners fared on Strava’s Bolder Boulder race community.

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Post Race Feeling

It hurts so good.


until next year

Keep the kudos going.
Footnote: Photos by Matt Trappe Photo & Film
Boulder, CO, United States
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