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The Southern Colorado Runners included chip timing in our Spring Runoff for the first time and could not be more pleased with the product and service from Racing Underground. From guiding us through the initial steps to providing finish line results, Darrin and Jill were both patient and accomodating. They were always approachable and willing to answer any questions (some multiple times) in a timely fashion. Without reservation, we would recommend Racing Underground to any race director interested in chip timing.
Darryl Clark, Race Director
2022 - 2023 Timing Calendar

(*** Now booking 2023 events!)

Date Event Location Website Timing
November 5, 2022 Moab Trail Marathon
Half-Marathon & Adventure 5K
Moab, UT Race Website
November 6, 2022 Moab Trail Sunday Trail Half-Marathon Moab, UT Race Website
November 12, 2022 Longmont Turkey Trot 2mi/10k Longmont, CO Race Website
November 19, 2022 Brighton Turkey Trot 5k Run/Walk Brighton, CO Race Website
December 11, 2022 Superior Stocking Run 5k
*Racing Underground Event
Superior, CO Race Website
Dec. 17, 2022 Chilly Cheeks Duathlon #1
*Racing Underground Event
Denver, CO Race Website
Dec. 17, 2022 Chilly Cheeks Run Series #1
*Racing Underground Event
Denver, CO Race Website
January 14, 2023 Oatmeal Festival 5k Lafayette, CO Race Website
Jan. 21, 2023 Chilly Cheeks Duathlon #2
*Racing Underground Event
Denver, CO Race Website
Jan. 21, 2023 Chilly Cheeks Run Series #2
*Racing Underground Event
Denver, CO Race Website
Jan. 29, 2023 Yeti Chase 5K/10K
*Racing Underground Event
Lakewood, CO Race Website
Feb. 19, 2023 Ralston Creek Half-Marathon & 5K
*Racing Underground Event
Arvada, CO Race Website
Feb. 25, 2023 Chilly Cheeks Duathlon #3
*Racing Underground Event
Denver, CO Race Website
Feb. 25, 2023 Chilly Cheeks Run Series #3
*Racing Underground Event
Denver, CO Race Website
March 5, 2023 Spring Runoff Pueblo, CO Race Website
March 11, 2023 Lucky Lyons 5k Lyons, CO Race Website
April 1, 2023 Three Creeks Half-Marathon
*Racing Underground Event
Denver, CO Race Website
April 15, 2023 Desert RATS Trail Marathon, 50k Fruita, CO Race Website
April 16, 2023 Desert RATS Trail 10k & Half Marathon Fruita, CO Race Website
April 22, 2023 Barkin' Dog Duathlon
*Racing Underground Event
Denver, CO Race Website
May 6, 2023 Hope House 5k Arvada, CO Race Website
May 6, 2023 Foster Care 5k Brighton, CO Race Website
May 13, 2023 Carbon Valley Half Marathon & 5k Firestone, CO Race Website
May 13, 2023 AdventureFest Sarlaac Attack 50k MTB Fruita, CO Race Website
May 14, 2023 AdventureFest Trail Half Marathon & 50k Gravel Race Fruita, CO Race Website
May 21, 2023 NoCo Half Marathon & 10k Fort Collins, CO Race Website