Group Training Runs

Join the Colfax Marathon Ambassadors around town at group runs!   (Great way to meet new running friends, and to learn more about Colfax).   If you are a store or club that would like to include one of your runs, email us at

For Anyone and Everyone - Check Out These Fun Runs

For the 2017 Race Season we are featuring multiple large group runs where you’ll find lots of Colfax Ambassadors, adidas, giveaways and more!   There are weekly runs listed below where you will frequently see our Ambassadors in their specially branded Adidas gear.   They are there to answer your questions!

Beat the Price Hike with Run the Bird

Wednesday, April 19th at 6p
Wash Park Denver

Beat the Price Hike for the Colfax Marathon by registering for any race in May at Run the Bird in Wash Park! Join your Colfax Marathon Ambassadors for a 5K run around Wash Park, starting at the Blackbird Public House at the corner of Alameda and Downing. After the run, there will be free food provided by Blackbird Public House and beer specials including $3 Colorado craft beer of the month and $2 Olympia beer cans.

Also, there will be some awesome Colfax drawings and giveaways, and your marathon ambassadors will be on-site to buy you a beer if you register for any Colfax race that night before the price hike!

Just maybe …. if you register for a Colfax race onsite, a Colfax Marathon Ambassador may buy you a drink 🙂

RSVP Now >

Golden Mountain Runners

Tuesday, April 25th at 6p
Mountain Toad Brewing, 900 Washington Ave, Golden, Colorado 80401

Join your Colfax Marathon Ambassadors and Golden Mountain Runners for 4-6 mile fun run. Then stick around after for a drink and to chat about running stories!

Runners Roost Colfax Marathon Prep Run

Saturday, April 29th at 8a
Runners Roost, Boulevard Center, 1685 S Colorado Blvd J, Denver, CO 80222

With only a few weeks until race day, time to get those last big runs in. What better way to do it than with friends! Join your Colfax Marathon Ambassadors for a fun group training run and to ask race questions. There will be some light snacks following the training run!

Saturdays - Boulder Running Company – Greenwood Village

Saturdays at 7:30am
Boulder Running Company, 8545 E Arapahoe Rd, Unit C, Greenwood, CO 80112

Join Colfax Marathon Ambassadors on different marked runs, with water every 2 miles, each Saturday. Enjoy a free breakfast post run back at the store.

Wednesdays - Boulder Running Company – Littleton

Wednesdays at 6pm
Boulder Running Company, 8116 W Bowles Ave, Littleton, Colorado 80123
Join Colfax Marathon Ambassadors for an evening run.

Wednesdays and Sundays - Boulder Running Company – Boulder

Wednesdays at 6pm AND Sundays at 9am

Wednesday Fun Runs: Boulder store location – all levels of runners for a 5 mile
bike path run around Boulder. Meet the
local Boulder running community and to enjoy some delicious pizza,
brews, and raffle prizes!

Sunday Morning Trail Runs: Enjoy the trails up to Mt. Sanitas with our Sunday Trail Run group. This is a great run to build up some endurance and test you on
the trails. All levels are welcomed to join and is worth the amazing
scenery of Boulder from the top.

For more information on our training programs and weekly runs contact
Alicia at or follow us on Facebook (Boulder
Running Company), Instagram (@boulderrunningco), and Twitter

Tuesdays - Life Time Run – Centennial

Tuesdays at 6pm
Life Time Fitness – 5000 E Dry Creek, Centennial, CO

Join Colfax Marathon Ambassadors for a social run out and back from the club. Distance 1-3 miles, all paces are welcome. Headlamps are required, meet in front of the club.

Keep checking back here as we will continually update the runs listed!

Please note these runs are produced by independent running clubs, running stores and other third party organizations. Neither the Colfax Marathon nor Kaiser Permanente is involved in the organization or production of these runs and therefore neither endorses or is responsible for their organization, safety or leadership in any way. You participate in these runs at your own risk.