170 Upcoming Races Near Idaho Springs, CO

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Pancake Stampede 5K

Littleton, CO

Sunday, August 9th, 2026

View details for race Pancake Stampede 5K

Sunrise Stampede

Longmont, CO

Saturday, August 15th, 2026

1 Mile

View details for race Sunrise Stampede

Miles for Migraine Colorado

Denver, CO

Saturday, August 15th, 2026

View details for race Miles for Migraine Colorado

ThunderRidge Grizzly 2 Mile

Highlands Ranch, CO

Saturday, August 15th, 2026

1 Mile

View details for race ThunderRidge Grizzly 2 Mile

Erie Half & 5k

Erie, CO

Sunday, August 16th, 2026

Half

View details for race Erie Half & 5k

Cancer League of Colorado Race 4 Research

Denver, CO

Sunday, August 16th, 2026

View details for race Cancer League of Colorado Race 4 Research

Ram Run

Denver, CO

Saturday, August 22nd, 2026

1 Mile

View details for race Ram Run

2026 True Impact Ministries 5K/10K

Centennial, CO

Saturday, August 22nd, 2026

10K

Trail

View details for race 2026 True Impact Ministries 5K/10K

Byers Peak Stampede Half Marathon & 5K Run

Fraser, CO

Saturday, August 22nd, 2026

Half

Trail

View details for race Byers Peak Stampede Half Marathon & 5K Run

Coyote Chase 5k

Louisville, CO

Saturday, August 22nd, 2026

View details for race Coyote Chase 5k

Staunton Rocks! Marathon and Half Marathon

Pine, CO

Saturday, August 22nd, 2026

Marathon

Half

Trail

View details for race Staunton Rocks! Marathon and Half Marathon

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Sunday, August 23rd, 2026

Half

10K

View details for race Pioneer Prairie Dog Half, 10k & 5k

Rebel Run 5k

Denver, CO

Sunday, August 23rd, 2026

View details for race Rebel Run 5k

Run Like the Wind 5k / 2k / Dog Jog

Allenspark, CO

Saturday, August 29th, 2026

View details for race Run Like the Wind 5k / 2k / Dog Jog

RexRun For PAWSitivity 2026 Trail Run/Walk

Aurora, CO

Saturday, August 29th, 2026

1 Mile

Trail

View details for race RexRun For PAWSitivity 2026 Trail Run/Walk

Glow & Roll: Illuminate What's Possible

Littleton, CO

Saturday, August 29th, 2026

1 Mile

View details for race Glow & Roll: Illuminate What's Possible

Bluffs Run 8K

Lone Tree, CO

Sunday, August 30th, 2026

Trail

View details for race Bluffs Run 8K

RMRR Fall Marathon Training Series

Thornton, CO

Sunday, August 30th, 2026

10 Miles

Ultra

View details for race RMRR Fall Marathon Training Series

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

Denver, CO

Saturday, September 5th, 2026

1 Mile

10K

View details for race Golden Harvest Half Marathon & 5k/10k - Denver

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

Westminster, CO

Saturday, September 5th, 2026

1 Mile

10K

View details for race Golden Harvest Half Marathon & 5k/10k - Denver

Cirque Series - Arapahoe Basin, CO

Keystone, CO

Saturday, September 5th, 2026

Trail

View details for race Cirque Series - Arapahoe Basin, CO

Raising the Barr

Brighton, CO

Saturday, September 5th, 2026

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Demon Dash

Arvada, CO

Saturday, September 5th, 2026

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Labor Day Half Marathon

Parker, CO

Monday, September 7th, 2026

Half

10K

Fast

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The Denver 5k

Denver, CO

Saturday, September 12th, 2026

View details for race The Denver 5k

6 Dot Dash

Littleton, CO

Saturday, September 12th, 2026

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RMRR Fall Marathon Training Series #2

Thornton, CO

Sunday, September 13th, 2026

Ultra

View details for race RMRR Fall Marathon Training Series #2

Healthy Kids Running Series Fall 2026 - Denver, CO

Denver, CO

Sunday, September 13th, 2026

View details for race Healthy Kids Running Series Fall 2026 - Denver, CO

RMRR September 5k/10k

Thornton, CO

Sunday, September 13th, 2026

10K

Fast

View details for race RMRR September 5k/10k

9/11 Heroes Run - Denver, Colorado

Denver, CO

Sunday, September 13th, 2026

1 Mile

View details for race 9/11 Heroes Run - Denver, Colorado

Buffalo Bicycle Classic

Boulder, CO

Sunday, September 13th, 2026

Ultra

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Tiger Prowl 5K

Denver, CO

Sunday, September 13th, 2026

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Miles 4 Madison 5K & 1K

Littleton, CO

Saturday, September 19th, 2026

View details for race Miles 4 Madison 5K & 1K

All-Out Fall Fest

Westminster, CO

Saturday, September 19th, 2026

Half

10K

Trail

View details for race All-Out Fall Fest

Denver: Walk With Autism and Resource Fair

Denver, CO

Saturday, September 19th, 2026

View details for race Denver: Walk With Autism and Resource Fair

Gummball 5K

Brighton, CO

Saturday, September 19th, 2026

View details for race Gummball 5K

Expo Park XC Runs

Aurora, CO

Sunday, September 20th, 2026

View details for race Expo Park XC Runs

Farmers 5000

Wheat Ridge, CO

Sunday, September 20th, 2026

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20th Annual Golden Gallop

Golden, CO

Sunday, September 20th, 2026

10K

Trail

View details for race 20th Annual Golden Gallop

CG Adventure Club - Elevation Everest

Winter Park, CO

Wednesday, September 23rd, 2026

Trail

View details for race CG Adventure Club - Elevation Everest

Runway 5K - Run for the Angels

Broomfield, CO

Saturday, September 26th, 2026

View details for race Runway 5K - Run for the Angels

Parker Parks and Recreation So Long to Summer 5...

Parker, CO

Saturday, September 26th, 2026

10K

View details for race Parker Parks and Recreation So Long to Summer 5K/10K

Lisa Nelson’s Mustang Stampede 5K

Arvada, CO

Saturday, September 26th, 2026

View details for race Lisa Nelson’s Mustang Stampede 5K

Estes Epic

Estes Park, CO

Saturday, September 26th, 2026

Ultra

Trail

View details for race Estes Epic

NIGHT NATION RUN - DENVER

Commerce City, CO

Saturday, September 26th, 2026

View details for race NIGHT NATION RUN - DENVER

HRCA Oktoberfest 5K

Littleton, CO

Saturday, September 26th, 2026

View details for race HRCA Oktoberfest 5K

RMRR Fall Marathon Training Series #3

Thornton, CO

Sunday, September 27th, 2026

10 Miles

Ultra

View details for race RMRR Fall Marathon Training Series #3

Colorado Coyotes Youth XC Invitational

Cenennial, CO

Sunday, September 27th, 2026

View details for race Colorado Coyotes Youth XC Invitational

Running for Children's Rights to Both Parents -...

Boulder, CO

Sunday, September 27th, 2026

Half

10K

View details for race Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States

PRA Miner Gold Rush

Broomfield, CO

Saturday, October 3rd, 2026

1 Mile

View details for race PRA Miner Gold Rush

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