10K Races in Colorado
134 upcoming 10k races across Colorado, updated nightly. Want radius search and maps? Open these in the Race Finder.
When to race: 10k races in Colorado
Colorado has 134 upcoming 10k races over the next 12 months. September is the busiest month for them, with 26. Most are around Centennial, Colorado Springs, Denver. The next one is Break Your Neck: Walk, Run, or Roll on September 5 in Pueblo.
- Sep 202626 races
- Oct 202617 races
- Nov 202619 races
- Dec 202612 races
- Jan 202711 races
- Feb 20277 races
- Mar 20279 races
- Apr 20278 races
- May 20276 races
- Jun 20278 races
- Jul 20277 races
- Aug 20274 races
September 2026
- Sat 9/5Break Your Neck: Walk, Run, or RollPueblo, CO · 5K · 10K · register ↗
- Sat 9/5Golden Harvest Half Marathon & 5k/10k - DenverWestminster, CO · 1 Mile · 5K · 10K · Half Marathon · from $17 · register ↗
- Sat 9/5The Beaver RunBreckenridge, CO · 5K · 10K · from $40 · register ↗
- Sun 9/6Golden Harvest Half Marathon & 5k/10k - Colorado SpringsColorado Springs, CO · 1 Mile · 5K · 10K · Half Marathon · from $17 · register ↗
- Mon 9/7Labor Day Half MarathonParker, CO · Half Marathon · 10K · 5K · from $27 · register ↗
- Sat 9/12NEDNED Trail FestNederland, CO · Half Marathon · 10K · 5K · Trail · register ↗
- Sat 9/12National Chocolate Day: Run for Chocolates 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 9/12Run for Mental Health 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 9/12Snow Mountain RanchGranby, CO · 50K · 33K · Half Marathon · 10K · 5K · Trail · register ↗
- Sat 9/12Trail Sisters Women's Half Marathon & 10kBuena Vista, CO · Half Marathon · 10K · Trail · from $55 · register ↗
- Sun 9/13RMRR September 5k/10kThornton, CO · 10K · 5K · from $10 · register ↗
- Sat 9/19All-Out Fall FestWestminster, CO · Half Marathon · 10K · 5K · from $20 · register ↗
- Sat 9/19Autumn RunBuena Vista, CO · Half Marathon · 10K · 5K · 1K · from $30 · register ↗
- Sat 9/19Battle by the BrookDeckers, CO · 20 Miles · 6 Miles · from $89 · register ↗
- Sat 9/19Beulah Challenge and OverIt SeriesBeulah, CO · 10K · 5K · 32.4 Miles · from $20 · register ↗
- Sat 9/19Mayor's Cup 5k/10kWoodland Park, CO · 10K · 5K · register ↗
- Sat 9/19The Sunlight ShowdownGlenwood Springs, CO · 5K · 10K · Half Marathon · from $35 · register ↗
- Sat 9/19Wellington STAR Foundation 5K 10KWellington, CO · 5K · 10K · from $10 · register ↗
- Sun 9/2020th Annual Golden GallopGolden, CO · 5K · 10K · 20K · from $25 · register ↗
- Sun 9/20Chile & Frijole Hot to Trot 5K & 10KPueblo, CO · 5K · 10K · from $35 · register ↗
- Sat 9/26Oktoberfest Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 9/26Pagosa Mountain Chile Cha Cha Trail RacesPagosa Springs, CO · 5K · 10K · Trail · from $30 · register ↗
- Sat 9/26Parker Parks and Recreation So Long to Summer 5K/10KParker, CO · 5K · 10K · from $40 · register ↗
- Sat 9/26Run for Donuts 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sun 9/27Girls on the Run Rockies Boulderthon SoleMates 2026Boulder, CO · Marathon · Half Marathon · 10K · from $25 · register ↗
- Sun 9/27Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States - ColoradoBoulder, CO · Half Marathon · 5K · 10K · from $40 · register ↗
October 2026
- Sat 10/3Above the Clouds UltraWoodland Park, CO · 50K · 10K · register ↗
- Sat 10/3HRCA Wildcat Mountain Trail RacesLittleton, CO · 10 Mile · 10K · Trail · from $10 · register ↗
- Sat 10/3Lafayette Music Fest -5K - 10KLafayette, CO · 10K · 5K · from $40 · register ↗
- Sat 10/3Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half MarathonCanon City, CO · 5K · 8 Miles · Half Marathon · 10K · Trail · from $40 · register ↗
- Sat 10/3Spooky Sprint - DenverLittleton, CO · 1 Mile · 5K · 10K · Half Marathon · from $20 · register ↗
- Sun 10/4Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile RunWindsor, CO · Marathon · Half Marathon · 10K · 5K · 1 Mile · from $20 · register ↗
- Sat 10/10Breckenridge RunFestBreckenridge, CO · Marathon · Half Marathon · 10K · 5K · 1 Mile · from $25 · register ↗
- Sat 10/10Coffee Lovers Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 10/10Cookie Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sun 10/11Your Story Isn't Over 5k/10k/Kids 1-MileLittleton, CO · 1 Mile · 10K · 5K · from $20 · register ↗
- Sat 10/17Bobcat Trail RacesColorado Springs, CO · 50K · 25K · 10K · 5K · Trail · register ↗
- Sat 10/17Chili ChaseDurango, CO · 6.5 Miles · from $40 · register ↗
- Sat 10/24Bridge Burner UltraCanon City, CO · 35 Miles · 50K · 35K · 10K · register ↗
- Sun 10/25Ghosts and Goblins 5K/10KDenver, CO · 5K · 10K · from $30 · register ↗
- Sat 10/31Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 10/31PB&J Fuel Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 10/31Spooky Sprint - Colorado SpringsColorado Springs, CO · 1 Mile · 5K · 10K · Half Marathon · from $17 · register ↗
November 2026
- Sun 11/1All-Out Kooky-SpookyGolden, CO · Half Marathon · 10K · 5K · from $20 · register ↗
- Sun 11/1Feet for Justice RunDenver, CO · 10K · 5K · from $10 · register ↗
- Sat 11/7Alamosa Veterans Memorial Park RaceAlamosa, CO · 5K · 10K · from $20 · register ↗
- Sat 11/7City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)Denver, CO · 5K · 10K · 1 Mile · from $16 · register ↗
- Sat 11/7Turkey Trails- DenverLittleton, CO · 1 Mile · 5K · 10K · Half Marathon · Trail · from $17 · register ↗
- Sun 11/8Turkey Trails - Colorado SpringsColorado Springs, CO · 1 Mile · 5K · 10K · Half Marathon · Trail · from $17 · register ↗
- Sat 11/14Run for Mental Health 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 11/14Denver Veterans Day RunDenver, CO · 5K · 10K · from $45 · register ↗
- Sat 11/14Louisville Trail RaceLouisville, CO · Half Marathon · 10K · 5K · Trail · register ↗
- Sat 11/14Salute to Veterans 5K/10K/Half Marathon - DenverAurora, CO · 5K · 10K · Half Marathon · from $15 · register ↗
- Sat 11/14Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sun 11/15Salute to Veterans 5K/10K/Half Marathon - Colorado SpringsColorado Springs, CO · 5K · 10K · Half Marathon · from $15 · register ↗
- Sat 11/21Colorado Cold Rush UltraColorado Springs, CO · 50K · Half Marathon · 10K · register ↗
- Sat 11/21Pumpkin Pie 5K/10KDenver, CO · 5K · 10K · from $30 · register ↗
- Sat 11/21TURKEY TREK (13.1, 10k, 5k & 2k)Arvada, CO · Half Marathon · 10K · 5K · 2K · from $26 · register ↗
- Thu 11/26Broomfield Turkey Day 5K/10KBroomfield, CO · 10K · 5K · 0.5 Miles · from $17 · register ↗
- Thu 11/26WP Elite Turkey Trot and RuckWoodland Park, CO · 10K · 5K · register ↗
- Sat 11/28Coffee Lovers Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 11/28Thanksgiving Gobble Trot Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
December 2026
- Sat 12/5All-Out Fa La LaWestminster, CO · Half Marathon · 10K · 5K · from $20 · register ↗
- Sat 12/5Candy Cane Course - Colorado SpringsColorado Springs, CO · 1 Mile · 5K · 10K · 15K · from $22 · register ↗
- Sat 12/5Chasing Santa 5k/Cycling Santa Toy Drive Presented by: Springs Law GroupColorado Springs, CO · 5K · 6 Miles · 10 Mile · 21 Miles · from $20 · register ↗
- Sat 12/5Toy DropLoveland, CO · 5K · 10K · 15K · from $30 · register ↗
- Sun 12/6Candy Cane Course - DenverWestminster, CO · 1 Mile · 5K · 10K · 15K · from $22 · register ↗
- Sun 12/6RunDenver Series 2026-27Denver, CO · 5K · 10K · Half Marathon · register ↗
- Sat 12/12Run for Breast Cancer 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 12/12Santa Catch 5k & 10kWindsor, CO · 5K · 10K · 1 Mile · from $15 · register ↗
- Sat 12/12Sunrise Marathon 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 12/19Santa's Summit SlamEstes Park, CO · 10K · register ↗
- Sat 12/26A Merry Christmas Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 12/26New Year's Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
January 2027
- Sat 1/9All-Out Polar ProwlArvada, CO · Half Marathon · 10K · 5K · from $20 · register ↗
- Sat 1/16Sunrise Marathon 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 1/16MLK Jr. Freedom Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sun 1/17Colorado Cold SnapLouisville, CO · 5K · 10K · from $39 · register ↗
- Sat 1/23Chilly Willy 5K/10K/Half Marathon - Colorado SpringsColorado Springs, CO · 5K · 10K · Half Marathon · 13.1K · from $25 · register ↗
- Sun 1/24Yeti Chase 5k/10kMorrison, CO · 5K · 10K · from $25 · register ↗
- Sat 1/30Alley LoopCrested Butte, CO · Marathon · Half Marathon · 10K · 5K · 3K · from $25 · registration closed · register ↗
- Sat 1/30Coffee Lover Run DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 1/30Run for Donut DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 1/30Time Travel Half-Marathon/5K/10K - DenverDenver, CO · 1 Mile · 5K · 10K · Half Marathon · from $15 · register ↗
- Sun 1/31Time Travel Half-Marathon/5K/10K - Colorado SpringsColorado Springs, CO · 1 Mile · 5K · 10K · Half Marathon · from $15 · register ↗
February 2027
- Sat 2/6All-Out Mardi CrawlArvada, CO · Half Marathon · 10K · 5K · from $20 · register ↗
- Sat 2/6Stories Trail RunsColorado Springs, CO · 6.7 Miles · Half Marathon · 19.6 Miles · Trail · from $60 · registration closed · register ↗
- Sat 2/6Westy Winter Waggle 5&10kWestminster, CO · 5K · 10K · from $35 · register ↗
- Sat 2/13Run for Chocolate 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 2/13Valentine's Day Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 2/27Run For Mental Health DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 2/27Run Together Against Breast Cancer DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
March 2027
- Sat 3/6Time to Paddy 5K/10K & Lucky 13.1 13.1 - DenverDenver, CO · 1 Mile · 5K · 10K · Half Marathon · from $17 · register ↗
- Sun 3/7That Dam Run 13.1, 10K, 5KArapahoe County, CO · 5K · 10K · Half Marathon · register ↗
- Sun 3/7Time to Paddy 5K/10K & Lucky 13.1 - Colorado SpringsColorado Springs, CO · 1 Mile · 5K · 10K · Half Marathon · from $17 · register ↗
- Sun 3/14Lucky Brew Race 5K, 10K, 15k & Half MarathonSeverance, CO · 5K · 10K · 15K · 0.6 Miles · Half Marathon · from $15 · register ↗
- Sat 3/20Sunrise Marathon 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 3/20St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sun 3/21All-Out Spring FeverGolden, CO · Half Marathon · 10K · 5K · from $20 · register ↗
- Sat 3/27Always Hope Easter Run DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 3/27SuperHeroes Run DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
April 2027
- Sat 4/10Run for Bagels 5K/10K/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 4/17Rattler Trail RaceColorado Springs, CO · 50K · 25K · 10K · 5K · Trail · register ↗
- Sun 4/182027 Elevate Kids Fun RunGrand Junction, CO · 10K · 5K · 2K · 2.5K · register ↗
- Sat 4/24Coffee Lover Run DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 4/24Run for Donut DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sat 4/24All-Out Beat the HeatWestminster, CO · Half Marathon · 10K · 5K · from $20 · register ↗
- Sat 4/24DoNot Stop Half Marathon/5K/10K - Colorado SpringsColorado Springs, CO · 1 Mile · 5K · 10K · Half Marathon · from $17 · register ↗
- Sun 4/25DoNot Stop Half Marathon/5K/10K - DenverDenver, CO · 1 Mile · 5K · 10K · Half Marathon · from $17 · register ↗
May 2027
- Sun 5/2The Colorado MarathonFort Collins, CO · Marathon · Half Marathon · 10K · 5K · from $40 · register ↗
- Sat 5/8Hometown Half Marathon/5K/10K - Colorado SpringsColorado Springs, CO · 1 Mile · 5K · 10K · Half Marathon · from $17 · register ↗
- Sat 5/8Run for Chocolate 5k/10k/13.1 DENVER/AURORACentennial, CO · 5K · 10K · Half Marathon · 1 Mile · from $30 · register ↗
- Sun 5/9Colorado Women's Classic - WestminsterWestminster, CO · 5K · 10K · 10 Mile · from $35 · register ↗
- Sun 5/9Hometown Half Marathon/5K/10K - DenverDenver, CO · 1 Mile · 5K · 10K · Half Marathon · from $17 · register ↗
- Sat 5/22Samson's RevengeEstes Park, CO · 10.45K · 25K · 50K · from $112 · registration closed · register ↗
June 2027
- Sun 6/6Colorado 13er (Half Marathon/10k/5k)Louisville, CO · Half Marathon · 10K · 5K · from $30 · register ↗
- Sun 6/6The Steamboat MarathonSteamboat Springs, CO · Marathon · Half Marathon · 10K · 0.5 Miles · from $65 · registration closed · register ↗
- Sat 6/12All-Out Summer BreezeArvada, CO · Half Marathon · 10K · 5K · from $20 · register ↗
- Sat 6/12Summits Trail RunsGranby, CO · 10K · 13.9 Miles · 27.8 Miles · 33.9 Miles · Trail · from $60 · registration closed · register ↗
- Sat 6/19Red, White and Brew 5k, 10k & Half MarathonWindsor, CO · 5K · 10K · Half Marathon · 1 Mile · from $18 · register ↗
- Sat 6/19Treat Trot - DenverDenver, CO · 1 Mile · 5K · 10K · 15K · from $17 · register ↗
- Sun 6/20Treat Trot Colorado SpringsColorado Springs, CO · 1 Mile · 5K · 10K · 15K · from $17 · register ↗
- Fri 6/25Race in the Clouds - Alma Dirt Festival 2027Alma, CO · 38 Miles · Marathon · Half Marathon · 22 Miles · 10K · from $10 · register ↗
July 2027
- Sun 7/4Let Freedom Run 5k/10k - LouisvilleLouisville, CO · 5K · 10K · from $30 · register ↗
- Sat 7/10All-Out Dog DaysWestminster, CO · Half Marathon · 10K · 5K · from $20 · register ↗
- Sat 7/17Heatwave Half Marathon/5K/10K - DenverDenver, CO · 1 Mile · 5K · 10K · Half Marathon · from $17 · registration closed · register ↗
- Sat 7/17Summer Splash Prairie Dog Half, 10k, & 5kCastle Rock, CO · Half Marathon · 10K · 5K · from $25 · register ↗
- Sun 7/18Heatwave Half Marathon/5K/10K - Colorado SpringsColorado Springs, CO · 1 Mile · 5K · 10K · Half Marathon · from $17 · registration closed · register ↗
- Sat 7/31Eat. Run. Adopt. 10KBerthoud, CO · 10K · from $20 · register ↗
- Sat 7/31Popsicle 5K/10K/Half - Colorado SpringsColorado Springs, CO · 5K · 10K · Half Marathon · from $25 · registration closed · register ↗
August 2027
- Sat 8/7All-Out RunapaloozaArvada, CO · Half Marathon · 10K · 5K · from $20 · register ↗
- Sat 8/7Summer Sizzler- DenverDenver, CO · 1 Mile · 5K · 10K · 15K · from $17 · registration closed · register ↗
- Sat 8/7Winter Park Trail RunsWinter Park, CO · 50K · Half Marathon · 10K · Trail · register ↗
- Sun 8/8Summer Sizzler- Colorado SpringsColorado Springs, CO · 1 Mile · 5K · 10K · 15K · from $17 · registration closed · register ↗
Planning a race
- Race day checklistwhat to sort out the night before
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