Find a Race

All-Out Beat the Heat

Westminster, CO · Virtual option · from $25

DoNot Stop Half Marathon/5K/10K - Colorado Springs

Colorado Springs, CO · Virtual option · from $17

SOAR 5K

Golden, CO · from $20

Bigfoot Half Marathon

Estes Park, CO · from $30

DoNot Stop Half Marathon/5K/10K - Denver

Denver, CO · Virtual option · from $17

Pueblo Spring Runoff

Pueblo, CO · from $35

Unicorn 5k (Denver-East)

Denver, CO · from $44

Greenland Trail Races

Larkspur, CO · Virtual option · from $35

Longmont Half & 5k (LM Half)

Longmont, CO · from $39

The Colorado Marathon

Fort Collins, CO · from $50

Emerge 5K

Boulder, CO

Dash & Dine 5k Run Series

Boulder, CO

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

Centennial, CO · Virtual option · from $30

Hometown Half Marathon/5K/10K - Colorado Springs

Colorado Springs, CO · Virtual option · from $17

Colterris Wine Run 5k

Palisade, CO · from $30

Colorado Women's Classic - Westminster

Westminster, CO · from $39

Denver Mother's Day 5K

Denver, CO

Hometown Half Marathon/5K/10K - Denver

Denver, CO · Virtual option · from $17

Super Mom 5K/10K/Half - Colorado Springs

Colorado Springs, CO · Virtual option

The HIKE

Virtual

Endure Trail Runs

Divide, CO

Vallecito Lake Heavy Half

Bayfield, CO

Farish Trail Race

Woodland Park, CO · from $50

Samson's Revenge

Estes Park, CO

Run the Spruce 5K and 1K Fun Run

Palmer Lake, CO · from $20

SuperHeroes Run DENVER/AURORA

Centennial, CO · Virtual option · from $30

Weld Your Mettle Running Festival

Eaton, CO · Virtual option · from $45

Flamingo Day 5K

Denver, CO · Virtual option · from $30

Steamboat Marathon

Steamboat Springs, CO · from $65

Summer Vibes Bike Rally & Run Festival

Lyons, CO · from $59

Colorado 13er (Half Marathon/10k/5k)

Louisville, CO · from $39

M1LE Nation

Fort Collins, CO · from $10

All-Out Summer Breeze

Arvada, CO · Virtual option · from $20

KowTown Gravel

Kremmling, CO

Summits Trail Runs

Granby, CO

Alpha 5K Challenge

Boulder, CO

Treat Trot - Denver

Denver, CO · Virtual option · from $17

Run Juneteenth Day 5K/10K/13.1 DENVER/AURORA

Centennial, CO · Virtual option · from $30

Red, White and Brew 5k, 10k & Half Marathon

Windsor, CO · from $18

Unicorn 5k (North)

Thornton, CO · from $22

Treat Trot Colorado Springs

Colorado Springs, CO · Virtual option · from $17

Father's Day Classic 10k, 5k, & 1 Mile

Arvada, CO · from $12

Race in the Clouds - Alma Dirt Festival 2027

Alma, CO · from $40

Slacker Half Marathon-Relay-4-Mile Races

Georgetown, CO · Virtual option

Red, White, and WARRIOR 5K

Grand Junction, CO

Greeley Freedom 5k Walk & Run

Greeley, CO · from $35

Independence Day Freedom 5K

Buena Vista, CO

Let Freedom Run 5k/10k - Louisville

Louisville, CO · from $39

Silverheels Trail Runs

Como, CO

Cookie Chase

Denver, CO · Virtual option · from $30

All-Out Dog Days

Westminster, CO · Virtual option · from $20

Grin & Bear It

Crested Butte, CO

Heatwave Half Marathon/5K/10K - Denver

Denver, CO · Virtual option · from $17

Summer Splash Prairie Dog Half, 10k, & 5k

Castle Rock, CO · from $39

Heatwave Half Marathon/5K/10K - Colorado Springs

Colorado Springs, CO · Virtual option · from $17

Christmas 5K/10K/Half Marathon in July Meet Up - Denver

Virtual

Spirit of the West 5K Run/Walk

Golden, CO · from $35

Eat. Run. Adopt. 10K

Berthoud, CO · from $20

Popsicle 5K/10K/Half - Colorado Springs

Colorado Springs, CO · Virtual option

Bound for Boston Marathon & Half Marathon - Denver

Denver, CO · Virtual option

Eldorado Run for the Cure

Eldorado Springs, CO · from $30

All-Out Runapalooza

Arvada, CO · Virtual option · from $20

Dog Days of Summer

Longmont, CO

RoC & Roll 5K: Run, Walk, or Wheel

Fountain, CO · from $43

Sheep Mountain Trail Runs

Fairplay, CO

Unicorn 5k (South)

Highlands Ranch, CO · from $22

Summer Sizzler- Denver

Denver, CO · Virtual option · from $17

Kennebec Mountain Run

Hesperus, CO

Summer Sizzler- Colorado Springs

Colorado Springs, CO · Virtual option · from $17

Pat's Pony Express

Woodland Park, CO

Erie Half & 5k

Erie, CO · from $39

James Test Site

Lyons, CO

Ram Run 5K

Denver, CO · Virtual option · from $10

Byers Peak Stampede Half Marathon & 5K Run

Fraser, CO · from $45

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO · from $39

TBK Bank Thirsty 13 Half Marathon

Durango, CO

2027 Suicide Prevention Color Walk/Run

Center, CO · Virtual option · from $25

Labor Day Half Marathon

Parker, CO · Virtual option · from $30

Spirit of the Valley 5k

Grand Junction, CO · Virtual option · from $10

Break Your Neck: Walk, Run, or Roll

Pueblo, CO

The Denver 5k

Denver, CO · from $44

Golden Harvest Half Marathon & 5K/10K - Denver

Denver, CO · Virtual option · from $17

Golden Harvest Half Marathon & 5K/10K - Colorado Springs

Colorado Springs, CO · Virtual option · from $17

Severance Glow 5K Run or Walk

Severance, CO

Autumn Run

Buena Vista, CO

All-Out Fall Fest

Westminster, CO · Virtual option · from $20

Front Range Pursuit 5k Run/Walk presented by CU Breast Surgical Oncology School of Medicine

Denver, CO

Sangre de Cristo Trail Festival

Westcliffe, CO

Spooky Sprint - Denver

Denver, CO · Virtual option · from $20

The Extra Mile 5K

Englewood, CO

Colorado Springs Marathon, Half, 5K, and Kids K

Colorado Springs, CO · Virtual option · from $12

Not So Flatt Breast Cancer Awareness Run/Walk – 5K & 10K in Denver, CO

Westminster, CO · Virtual option · from $10

Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run

Windsor, CO · from $25

Strides for Sierra 5K run/walk

Arvada, CO

Spooky Sprint - Colorado Springs

Colorado Springs, CO · Virtual option · from $17

Manitou 5K

Manitou Springs, CO · from $25

Westy Half & 5k

Westminster, CO · from $39

The Great Trailhead Foot Race 5 & 10 Miler

Lakewood, CO · from $55

Indian Creek Trail Runs

Sedalia, CO

Chili Chase

Durango, CO

Running Scared 5K/13K - Denver

Littleton, CO · Virtual option · from $25

Running Scared 5K/13K - Colorado Springs

Colorado Springs, CO · Virtual option · from $25

The 15th Annual Odyssey Odyssey - 2026

Denver, CO

Ghosts and Goblins 5K

Denver, CO · Virtual option · from $30

I Ain't Scared (of 5k)

Thornton, CO · from $39

All-Out Kooky-Spooky

Golden, CO · Virtual option · from $20

City Park Classic

Denver, CO

Colorado Springs Veterans Day 5k

Colorado Springs, CO

50 States Half Marathon Club General Membership

Colorado Springs, CO · from $85

Fifty States Half Marathon Club Life Membership

Colorado Springs, CO · from $429