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The St. Vrain Greenway begins in Golden Ponds Park and travels east along the creek for more than half its dista...
The trail provides another excellent introduction to the sport. Although the trail can be rocky, it still is a plea...
The Mason Trail runs north–south through Fort Collins, paralleling McClellan Drive north of Horsetooth Road ...
Half Marathon on the St. Vrain Greenway Trail system in Longmont.
St. Patrick's Day 5k/2k fun run in Greeley, CO benefiting 3 great Northern Colorado charities. Event schedule...
The Fast and Furriest is a 5k run that is both a certified 5K run and a fun run for families. Our course is on CSU's...
Active Fees We are covering all of the Active fees for registrations processed online. Fundraising Prizes are...
5 out of 5 based on 1 ratings
This trail run is an excellent opportunity to explore the beautiful wetlands areas around the Mesa Reservoir, which...
3 out of 5 based on 1 ratings
Closely following its scenic namesake waterway for most of its journey, the popular Boulder Creek Path runs east...
One of the finest trail runs near Boulder; due to the fact that it has been open to the public for fewer years than...
4 out of 5 based on 1 ratings
Due to the lack of tree cover on this route, it is not ideal for a hot day. Also, the wet areas near several fields...
This route provides an ideal introduction to trail running due to its ease and its relatively short distance. This ...
This is a short, hard workout worthy of multiple laps. It is best done in the morning and in non-inclement weather ...
Train, race and fundraise for the nonprofit of your choice!
An out and back course along the Coal Creek Trail in Erie, Colorado.
5K and Sand Volleyball Tournament
Olympic / Sprint