About Don and Boundless Endurance

I have spent the last 9 years of my life planning and executing events, marketing active brands, coaching endurance athletes, and running ultra distances at an elite level.   

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Coaching Background

I have coached multiple athletes to finishes at races from 5K to 100 miles and everything in-between.  I specialize in working with athletes who want to get into ultrarunning, or who want to take their ultra running to the next level.

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Marketing Background

I have worked with the following brands on marketing projects including event management, social media management, ambassador management, digital marketing, and other campaigns: 

Newton Running, PR Bar, BibRave, Performance Tea,

The Town of Estes Park, RaceCo, Zwift

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Athletic Background 

I am a multiple-time Ironman finisher and have competed in countless ultramarathons including 6 races of 100 miles or more with a 100 mile PR of 16:27.    

Finished 3rd place at the 2018 Badwater 135

Member of the 2017 U.S. Spartathlon Team. 

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Ultra Career Highlights

2019 Lean Horse 100 - 17:15 - 1st Place 

2018 Badwater 135 - 27:08 - 3rd Place

2017 Spartathlon - 153 miles

2017 Keys 100 - 16:31 - 2nd Place

2016 Tunnel Hill 100 - 16:27 - 4th Place

2015 Bighorn 100

2015 Leadville Leadman finisher (all Leadville races including Leadville 100 MTB and Leadville 100 Run a week apart)

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Don's 2020 Major Race Results/Schedule

1/18 - Coldwater Rumble - 20 miles - 1st Place

5/1 - Salt Flat Ultras - 50 miles

7/26 - 6 Days in the Dome - 24 Hour

11/14 - Tunnel Hill - 100 miles

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Don's 2019 Major Race Results

5/25 - Jemez Mountain 50 miles - 4th Place

7/27 - Grand Mesa Ultras 50 miles - 6th Place

8/16 - Lean Horse 100 miles - 1st Place

10/19 - Big Backyard Ultra - Last Man Standing World Championship - 19th Place

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Brands I Run For