Upcoming Races Near Lone Tree, CO in June, 2026

Name: Blue Sky Ascent & Round Trip (formerly the Mt. Evans Ascent)
Start: 2026-06-28
End: 2026-06-28
Location: Idaho Springs

The Big Run Presented By Brooks

Colorado Springs, CO

Wednesday, June 3rd, 2026

Featured

View details for race The Big Run Presented By Brooks

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Aiden's Adventure 5k

Colorado Springs, CO

Saturday, June 6th, 2026

1 Mile

View details for race Aiden's Adventure 5k

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

Louisville, CO

Sunday, June 7th, 2026

Half

10K

Trail

View details for race Colorado 13er (Half Marathon/10k/5k)

The Big Run Presented by Brooks

Denver, CO

Sunday, June 7th, 2026

View details for race The Big Run Presented by Brooks

DU Dash Colorado

Palmer Lake, CO

Sunday, June 7th, 2026

10K

Trail

View details for race DU Dash Colorado

Flamingo Day 5K

Denver, CO

Sunday, June 7th, 2026

View details for race Flamingo Day 5K

RMRR June Trophy Series

Denver, CO

Sunday, June 7th, 2026

Fast

View details for race RMRR June Trophy Series

Tutu Dash 5K

Broomfield, CO

Saturday, June 13th, 2026

1 Mile

Trail

View details for race Tutu Dash 5K

All-Out Summer Breeze

Arvada, CO

Saturday, June 13th, 2026

Half

10K

Trail

View details for race All-Out Summer Breeze

Treat Trot Denver

Denver, CO

Saturday, June 13th, 2026

10K

15K

View details for race Treat Trot Denver

The Springs Downhill Mile

Colorado Springs, CO

Saturday, June 13th, 2026

1 Mile

Fast

View details for race The Springs Downhill Mile

Stepping Stone 5K

Littleton, CO

Saturday, June 13th, 2026

View details for race Stepping Stone 5K

Treat Trot Denver

Thornton, CO

Saturday, June 13th, 2026

10K

15K

View details for race Treat Trot Denver

Treat Trot Colorado Springs

Colorado Springs, CO

Sunday, June 14th, 2026

10K

15K

View details for race Treat Trot Colorado Springs

Garden of the Gods 10 Mile/10K and Trail Run

Colorado Springs, CO

Sunday, June 14th, 2026

10 Miles

10K

Trail

View details for race Garden of the Gods 10 Mile/10K and Trail Run

Garden of the Gods Little Horn and Big Horn Kid...

Colorado Springs, CO

Sunday, June 14th, 2026

View details for race Garden of the Gods Little Horn and Big Horn Kids Races

The Bullfrog Splashdown

Littleton, CO

Sunday, June 14th, 2026

10K

1 Mile

View details for race The Bullfrog Splashdown

HRCA Happy Hour Half K

Littleton, CO

Friday, June 19th, 2026

View details for race HRCA Happy Hour Half K

Unicorn 5k (North)

Thornton, CO

Saturday, June 20th, 2026

View details for race Unicorn 5k (North)

Fatherhood 5k Family Run/Walk

Colorado Springs, CO

Saturday, June 20th, 2026

View details for race Fatherhood 5k Family Run/Walk

Parker Parks and Recreation Dash Across the Dam...

Parker, CO

Saturday, June 20th, 2026

View details for race Parker Parks and Recreation Dash Across the Dam Father’s Day 5K

Muddy Dash | Denver 2026

Dacono, CO

Saturday, June 20th, 2026

View details for race Muddy Dash | Denver 2026

Juneteenth Fun Run 5K

Denver, CO

Sunday, June 21st, 2026

View details for race Juneteenth Fun Run 5K

Sunset Trail Running Festival

Boulder, CO

Sunday, June 21st, 2026

12K

Trail

View details for race Sunset Trail Running Festival

14th Annual Buffs4Life Kyle MacIntosh Memorial ...

Boulder, CO

Sunday, June 21st, 2026

View details for race 14th Annual Buffs4Life Kyle MacIntosh Memorial 5K Run/Walk

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

Arvada, CO

Sunday, June 21st, 2026

10K

1 Mile

View details for race Father's Day Classic 10k, 5k, & 1 Mile

Denver Pride 5K

Denver, CO

Saturday, June 27th, 2026

View details for race Denver Pride 5K

Before The Fourth 5k

Littleton, CO

Saturday, June 27th, 2026

View details for race Before The Fourth 5k

Pearl Street Mile

Boulder, CO

Saturday, June 27th, 2026

1 Mile

View details for race Pearl Street Mile

Blue Sky Ascent & Round Trip (formerly the Mt. ...

Idaho Springs, CO

Sunday, June 28th, 2026

View details for race Blue Sky Ascent & Round Trip (formerly the Mt. Evans Ascent)

Explore more in Lone Tree, CO

Distances:

5K 10K Half Marathon Marathon

Months:

April May June

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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