Running Races in Colorado — 2026

There are 298 running races in Colorado in 2026 across 90 cities. The next upcoming race is the Raising the Barr in Brighton on September 5. Popular distances include 5K races, half marathons, trail runs.

YMCA Jingle Jog 5K presented by Corwin Honda

Sat, Dec 12 · Fountain, CO Fountain

Road Jingle Jog 5K

From $35 Open

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Santa Shuffle 5K

Sat, Dec 12 · Littleton, CO Littleton

Road Santa Shuffle 5K

From $35 Open

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2026 Jingle Bell Run - Colorado

Sun, Dec 13 · Denver, CO Denver

Virtual 1 Mile5K TimedKids Run +1

From $25 Open

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Santa's Dash for Ca$h

Sat, Dec 19 · Denver, CO Denver

Road 5k

From $29 Open

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Ugly Sweater 5K

Sun, Dec 20 · Denver, CO Denver

Road 5KVirtual 5K

From $30 Open

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New Year's Run 5K/10K/13.1 DENVER/AURORA

Sat, Dec 26 · Centennial, CO Centennial

Virtual Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA

Sat, Dec 26 · Centennial, CO Centennial

Virtual Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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run.Windsor Gift Cards

Thu, Dec 31 · Windsor, CO Windsor

$50$25$75 +1

From $25 Open

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Hands & Voices New Year Virtual 5K: Trails to the Summit

Thu, Dec 31 · Boulder, CO Boulder

Virtual Virtual 5KVirtual Fun Run/Walk

From $25 Open

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Resolute Runner 5k

Fri, Jan 1 · Arvada, CO Arvada

Road 5k

From $29 Open

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All-Out Polar Prowl

Sat, Jan 9 · Arvada, CO Arvada

Virtual 5KVIRTUAL 5K10K +3

From $20 Open

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ALMAGEDDON Winter Triathlon presented by the Alma Foundation

Sat, Jan 16 · Alma, CO Alma

Triathlon ALMAGEDDON Winter Triathlon

From $40 Open 75 spots left

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Sunrise Marathon 5K/10K/13.1 DENVER/AURORA

Sat, Jan 16 · Centennial, CO Centennial

Virtual Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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MLK Jr. Freedom Run 5K/10K/13.1 DENVER/AURORA

Sat, Jan 16 · Centennial, CO Centennial

Virtual Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Coffee Lover Run DENVER/AURORA

Sat, Jan 30 · Centennial, CO Centennial

Virtual Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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Run for Donut DENVER/AURORA

Sat, Jan 30 · Centennial, CO Centennial

Virtual Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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All-Out Mardi Crawl

Sat, Feb 6 · Arvada, CO Arvada

Virtual 5KVIRTUAL 5K5K +9

From $20 Open

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Run for Chocolate 5K/10K/13.1 DENVER/AURORA

Sat, Feb 13 · Centennial, CO Centennial

Virtual Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Valentine's Day Run 5K/10K/13.1 DENVER/AURORA

Sat, Feb 13 · Centennial, CO Centennial

Virtual Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K Registration +3

From $30 Open

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Heart Throb 5k

Sat, Feb 13 · Arvada, CO Arvada

Road 5k

From $25 Open

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Highlands Ranch 5k

Sun, Feb 28 · Highlands Ranch, CO Highlands Ranch

Road 5k5k

From $33 Open

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Erin Go Bragh 7.77k

Sat, Mar 13 · Westminster, CO Westminster

Road 7.77k7.77k

From $33 Open

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Lucky Brew Race 5K, 10K, 15k & Half Marathon

Sun, Mar 14 · Severance, CO Severance

Road Kids Fun RunKids Fun RunLucky Brew 5K +7

From $15 Open

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Sunrise Marathon 5K/10K/13.1 DENVER/AURORA

Sat, Mar 20 · Centennial, CO Centennial

Virtual Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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All-Out Spring Fever

Sun, Mar 21 · Golden, CO Golden

Virtual 5K5KVIRTUAL 5K +9

From $20 Open

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SuperHeroes Run DENVER/AURORA

Sat, Mar 27 · Centennial, CO Centennial

Virtual Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Central Park 5k

Sun, Mar 28 · Denver, CO Denver

Road 5k Run/Walk5k Run/Walk

From $20 Open

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Donut Dash

Sun, Apr 4 · Denver, CO Denver

Road 5KVirtual 5KVirtual 5K +1

From $30 Open

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Run for Bagels 5K/10K/13.1 DENVER/AURORA

Sat, Apr 10 · Centennial, CO Centennial

Virtual Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration +3

From $30 Open

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Platte River Half-Marathon, Relay & 5k

Sun, Apr 11 · Littleton, CO Littleton

Road 2027 5k5k5k +6

From $35 Open

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NoCo Urban Ultra & Relay

Sun, Apr 11 · Bellvue, CO Bellvue

Ultra 50 Mile (Relay)50 Mile (Individual)50 Mile (Relay) +5

From $65 Open

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Horsetooth Half Marathon - Presented by Fort Collins Connexion

Sun, Apr 18 · Fort Collins, CO Fort Collins

Road Half MarathonHalf Marathon

From $75 Open

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Coffee Lover Run DENVER/AURORA

Sat, Apr 24 · Centennial, CO Centennial

Virtual Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Bigfoot Half Marathon

Sat, Apr 24 · Estes Park, CO Estes Park

Road 5K Run/Walk5K Run/WalkHalf Marathon +1

From $45 Open

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All-Out Beat the Heat

Sat, Apr 24 · Westminster, CO Westminster

Virtual 5KVIRTUAL 5KVIRTUAL 5K +9

From $20 Open

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Unicorn 5k (Denver-East)

Sun, Apr 25 · Denver, CO Denver

Road 5k5k1/2 Mile(ish) Saunter +1

From $13 Open

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Greenland Trail Races

Sat, May 1 · Larkspur, CO Larkspur

Ultra 4 Mile4M Trail Races8M Trail Race +9

From $25 Open

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The Colorado Marathon

Sun, May 2 · Fort Collins, CO Fort Collins

Road 2027 10k5K5K +9

From $35 Open

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Colterris Wine Run 5k

Sat, May 8 · Palisade, CO Palisade

Road 5k5k

From $30 Open

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Colorado Women's Classic - Westminster

Sun, May 9 · Westminster, CO Westminster

Road 5k5k10k +3

From $35 Open

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Weld Your Mettle Running Festival

Sat, Jun 5 · Eaton, CO Eaton

Virtual 7K Ruck (4.3 Miles)7k walk or run (4.3 miles)7k walk or run (4.3 miles) +23

From $35 Open

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Flamingo Day 5K

Sun, Jun 6 · Denver, CO Denver

Road Virtual 5KVirtual 5K5K +1

From $30 Open

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All-Out Summer Breeze

Sat, Jun 12 · Arvada, CO Arvada

Virtual 5KVIRTUAL 5K5K +9

From $20 Open

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Unicorn 5k (North)

Sat, Jun 19 · Thornton, CO Thornton

Road 1/2 (ish) Mile Saunter - untimed1/2 (ish) Mile Saunter - untimed5k Run/Walk +1

From $16 Open

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Race in the Clouds - Alma Dirt Festival 2027

Fri, Jun 25 · Alma, CO Alma

Trail Highschool/Middle School Short Course (6.1miles)Highschool/Middle School Short Course (6.1miles)Trail 10K +21

From $0 Open 10 spots left

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South Fork Pandemonium

Fri, Jun 25 · South Fork, CO South Fork

Pandemonium-Family StylePandemonium-Main EventPandemonium-Main Event +1

From $20 Open 72 spots left

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Cookie Chase

Sat, Jul 10 · Denver, CO Denver

Road Virtual 5K5KVirtual 5K +1

From $30 Open

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All-Out Dog Days

Sat, Jul 10 · Westminster, CO Westminster

Virtual VIRTUAL 5KVIRTUAL 5K5K +9

From $20 Open

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Spirit of the West 5K Run/Walk

Sun, Jul 25 · Golden, CO Golden

Road 5K Run/Walk5K Run/Walk

From $35 Open

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Wild West Relay

Fri, Aug 6 · Fort Collins, CO Fort Collins

Wild West Relay - Ultra team (4-6 runners)Wild West Relay - Get Your Ass Over the Pass - High School TeamWild West Relay - High School Team +5

From $660 Open

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