2018 - 2019 Colorado Trail Race Calendar

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in Colorado bearing the tag Trail among 166 races.

166 races

Endurance House Longmont Half & 5k

Half Marathon
2018-07-04 - 06:00
North America / USA / Mountain Region / Colorado / Longmont
Half Marathon
Trail Running

Endurance House Longmont Half & 5k

5K
2018-07-04 - 07:00
North America / USA / Mountain Region / Colorado / Longmont
5k race
Trail Running

John Cappis 50K Fat Ass

2018-07-07 - 05:00
North America / USA / Mountain Region / Colorado / Silverton
Ultramarathon
Trail Running Mountain

Run Trinidad: Trinidad Lake Trail Run

5K Walk
2018-07-07 - 08:00
North America / USA / Mountain Region / Colorado / Trinidad
5k race
Trail Walking Solo

Run Trinidad: Trinidad Lake Trail Run

5 Mile Run
2018-07-07 - 08:00
North America / USA / Mountain Region / Colorado / Trinidad
Shorter than 10 km race
Trail Running Solo

Run Trinidad: Trinidad Lake Trail Run

5K Run
2018-07-07 - 08:00
North America / USA / Mountain Region / Colorado / Trinidad
5k race
Trail Running Solo

Fountain Creek Trail Run 5k/10k

Fountain Creek Trail Run 10k
2018-07-14 - 08:00
North America / USA / Mountain Region / Colorado / Fountain
10k race
Trail Running Solo

Fountain Creek Trail Run 5k/10k

Fountain Creek Trail 1 Mile Fun Run
2018-07-14 - 08:30
North America / USA / Mountain Region / Colorado / Fountain
Shorter than 10 km race
Trail Running Solo

Fountain Creek Trail Run 5k/10k

Fountain Creek Trail Run 5k
2018-07-14 - 08:30
North America / USA / Mountain Region / Colorado / Fountain
5k race
Trail Running Solo

Ouray 100 Mile Endurance Run

102.1 Miles
2018-07-27 - 08:00
North America / USA / Mountain Region / Colorado / Ouray
Ultramarathon
Mountain Trail Running Mountain Solo

Audi Power of Four Trail Run

25K
2018-07-28 - 09:30
North America / USA / Mountain Region / Colorado / Aspen
Half Marathon to Full Marathon
Trail Running Solo

Audi Power of Four Trail Run

10K
2018-07-28 - 11:30
North America / USA / Mountain Region / Colorado / Aspen
Shorter than 10 km race
Trail Running Solo
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