Upcoming 10K races in Colorado

49 10K races are coming up in Colorado, out of 260 races on the statewide calendar. Compare dates, distances and locations, then get ready with a personalized training plan.

49 upcoming races

September 2026

Sep 19, 2026All-Out Fall Fest📍 Westminster, CO13.1 mi · 6.2 mi · 3.1 mi
Sep 19, 2026Run The Rockies📍 Copper Mountain, CO13.1 mi · 6.2 mi
Sep 19, 2026Wellington STAR Foundation 5K 10K📍 Wellington, CO6.2 mi · 3.1 mi
Sep 20, 2026Chile & Frijole Hot to Trot 5K & 10K📍 Pueblo, CO6.2 mi · 3.1 mi
Sep 26, 2026Oktoberfest Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi
Sep 26, 2026Run for Donuts 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi
Sep 27, 2026Boulderthon Boulder Marathon📍 Boulder, CO26.2 mi · 13.1 mi · 6.2 mi · 3.1 mi
Sep 27, 2026Boulderthon 📍 Boulder, CO26.2 mi · 13.1 mi · 6.2 mi · 3.1 mi
Sep 28, 2026Center of the Nation Series - Day 1📍 Sterling, CO26.2 mi · 13.1 mi · 6.2 mi · 3.1 mi

October 2026

Oct 4, 2026Hot Chocolate 15K/5K - Denver📍 Denver, CO9.3 mi · 6.2 mi · 3.1 mi
Oct 10, 2026Breckenridge Road Marathon📍 Breckenridge, CO26.2 mi · 13.1 mi · 6.2 mi · 3.1 mi
Oct 10, 2026Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi
Oct 10, 2026The Cookie Dash Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi
Oct 11, 2026Your Story Isn't Over 5K/10K/Kids 1-Mile📍 Littleton, CO6.2 mi · 3.1 mi
Oct 25, 2026Ghosts and Goblins - Denver📍 Denver, CO6.2 mi · 3.1 mi
Oct 31, 2026Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi
Oct 31, 2026Narrowleaf Lake Run📍 Loveland, CO10 mi · 7 mi · 4 mi · 1 mi
Oct 31, 2026PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi

November 2026

Nov 1, 2026All-Out Kooky-Spooky 1M, 5K, 10K and Half Marathon📍 Golden, CO13.1 mi · 6.2 mi · 3.1 mi
Nov 14, 2026Salute to Veterans 5K/10K/Half Marathon - Denver📍 Aurora, CO6.2 mi · 13.1 mi · 3.1 mi
Nov 14, 2026Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi
Nov 15, 2026Salute to Veterans 5K/10K/Half Marathon - Colorado Springs📍 Colorado Springs, CO3.1 mi · 6.2 mi · 13.1 mi
Nov 21, 202610k Turkey Trek & 2k Turkey Toddle📍 Arvada, CO13.1 mi · 6.2 mi · 3.1 mi · 1.2 mi
Nov 21, 2026Pumpkin Pie 5K/10K - Denver, CO📍 Denver, CO6.2 mi · 3.1 mi
Nov 26, 2026Broomfield Turkey Day 5K/10K📍 Broomfield, CO6.2 mi · 3.1 mi · 0 mi
Nov 28, 2026Thanksgiving Gobble Trot Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi

December 2026

Dec 5, 2026All-Out Fa La La📍 Westminster, CO13.1 mi · 6.2 mi · 3.1 mi
Dec 12, 2026Run For Breast Cancer 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi
Dec 12, 2026Santa Catch 5k & 10k📍 Windsor, CO6.2 mi · 3.1 mi
Dec 12, 2026Sunrise Marathon 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi
Dec 26, 2026A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi
Dec 26, 2026New Year's Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi

January 2027

Jan 9, 2027All-Out Polar Prowl📍 Arvada, CO13.1 mi · 6.2 mi · 3.1 mi
Jan 16, 2027MLK Jr. Freedom Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi
Jan 17, 2027Colorado Cold Snap📍 Louisville, CO6.2 mi · 3.1 mi

February 2027

Feb 7, 2027Old Man Winter - Lyons, CO📍 Lyons, CO6.2 mi · 3.1 mi
Feb 13, 2027Run for Chocolate 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi
Feb 13, 2027Valentine's Day Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi

March 2027

Mar 27, 2027Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO13.1 mi · 6.2 mi · 3.1 mi · 1 mi
Mar 27, 2027SuperHeroes Run 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO6.2 mi · 3.1 mi · 13.1 mi · 1 mi

April 2027

Apr 10, 2027Run for Bagels 5K/10K/13.1 DENVER/AURORA📍 Centennial, CO6.2 mi · 3.1 mi · 13.1 mi · 1 mi
Apr 24, 2027All-Out Beat the Heat 1M, 5K, 10K, Half Marathon & Marathon📍 Westminster, CO3.1 mi · 6.2 mi · 13.1 mi

May 2027

May 2, 2027The Colorado Marathon📍 Fort Collins, CO26.2 mi · 13.1 mi · 6.2 mi · 3.1 mi
May 2, 2027Colorado Marathon📍 Colorado Springs, CO26.2 mi · 13.1 mi · 6.2 mi · 3.1 mi
May 15, 2027Marathon de Denver📍 Denver, CO26.2 mi · 26.2 mi · 13.1 mi · 6.2 mi
May 31, 2027Bolder Boulder📍 Boulder, CO6.2 mi

June 2027

Jun 6, 2027Colorado 13er (Half Marathon/10K/5K)📍 Louisville, CO13.1 mi · 6.2 mi · 3.1 mi

July 2027

Jul 4, 2027Let Freedom Run 5K/10K - Louisville📍 Louisville, CO6.2 mi · 3.1 mi

August 2027

Aug 6, 2027Snowmass Tree-O | 2k + 5k + 10k + 17k Challenge | Snowmass, CO📍 Snowmass Village, CO10.6 mi · 6.2 mi · 3.1 mi · 1.2 mi

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