2018 - 2019 Colorado Race Calendar in July

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in Colorado during the month of July among 85 races.

85 races

Endurance House Longmont Half & 5k

Half Marathon
2019-07-04 - 06:00
North America / USA / Mountain Region / Colorado / Longmont
Half Marathon
Road Running Solo

Endurance House Longmont Half & 5k

5k
2019-07-04 - 07:00
North America / USA / Mountain Region / Colorado / Longmont
5k race
Road Running Solo

Let Freedom Run

10k
2019-07-04 - 07:45
North America / USA / Mountain Region / Colorado / Louisville
10k race
Road Running Solo

Let Freedom Run

Kids Fun Run (Approx 200 yards)
2019-07-04 - 07:30
North America / USA / Mountain Region / Colorado / Louisville
Shorter than 10 km race
Road Running Solo Kids

Let Freedom Run

5k
2019-07-04 - 07:45
North America / USA / Mountain Region / Colorado / Louisville
5k race
Road Running Solo

Silverheels 100 Mile Endurance Run

100 Mile
2019-07-06 - 04:00
North America / USA / Mountain Region / Colorado / Fairplay
Ultramarathon
Mountain Trail Running Mountain Solo

Silverheels 100 Mile Endurance Run

50 Mile
2019-07-07 - 00:00
North America / USA / Mountain Region / Colorado / Fairplay
Ultramarathon
Mountain Trail Running Mountain Solo

Six Pack Summer Series Westminster- 5k

2019-07-11 - 18:30
North America / USA / Mountain Region / Colorado / Westminster
5k race
Road Running Solo

Aspen Valley Marathon

Marathon
2019-07-13 - 06:00
North America / USA / Mountain Region / Colorado / Aspen
Marathon
Boston Qualifier Road Running Solo

Aspen Valley Marathon

Half Marathon
2019-07-13 - 07:00
North America / USA / Mountain Region / Colorado / Aspen
Half Marathon
Road Running Solo

Aspen Valley Marathon

5K
2019-07-13 - 09:00
North America / USA / Mountain Region / Colorado / Aspen
5k race
Road Running Solo

Hardrock 100 Endurance Run

2019-07-19 - 06:00
North America / USA / Mountain Region / Colorado / Silverton
Ultramarathon
Mountain Trail Running Mountain Solo
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