EVENTS

August 2026

Sat 29

August 29 @ 6:00 am - 1:00 pm

Nebraska State Fair Marathon

nebraska state fairgrounds 501 E Fonner Park Road, #200, Grand Island, NE, United States

Nebraska State Fair Marathon
Saturday August 29, 2026
Grand Island, NE

Sun 30

August 30 @ 8:00 am - 8:20 am

John Martin XC Invitational 2026

John Martin XC Invitational
August 30th, 2026
Ft Collins, Co

$15 – $30

September 2026

Sun 6

September 6 @ 8:00 am - 8:30 am

Denver Broncos 7K 2026

Empower Field at Mile High 1701 Bryant St, Denver, CO 80204, Denver, CO, United States

Denver Broncos 7K
September 6th, 2026
Denver, Colorado

$10 – $45

Sun 6

September 6 @ 9:30 am - 11:30 am

CASA Superhero Run 2026

Two Rivers Park 740 Devereux Rd, Glenwood Springs, CO

CASA Superhero Run
September 7th, 2026
Two Rivers Park, Glenwood Springs

Mon 7

September 7 @ 7:00 am - 8:00 am

Labor Day Half Marathon 2026

Salisbury Equestrian Park 11920 N Motsenbocker Road, Parker, CO, United States

Labor Day Half Marathon, 10K, 5K
September 7th, 2026
Parker, CO

Mon 7

September 7 @ 7:00 am - 4:00 pm

Horsetooth Open Water Swim 2026

Horsetooth Reservoir 1087 county road 23, fort collins, CO, United States

Horsetooth Open Water Swim
September 6th, 2026
Fort Collins, Colorado

$20 – $110

Thu 10

September 10 @ 9:00 am - 9:30 am

Northridge Elementary Fun Run 2026

Northridge Elementary School 555 Southpark Road, Highlands Ranch, CO

Northridge Elementary
September 9th, 2026
Highlands Ranch, CO

Sat 12

September 12 @ 8:00 am - 8:30 am

NedNed Trail Fest 2026

Nederland, CO

NedNed Trail Fest
September 12th, 2026
Nederland, CO

$35 – $85

Sat 12

September 12 @ 9:00 am - 9:20 am

Heroes and Villains Team Hope 5K Walk and Run 2026

Central Park Central Park Blvd & MLK Jr. Pkwy, Denver, Colorado

Heroes vs Villains 5K
September 12th, 2026
Denver, CO

Sun 13

September 13 @ 7:00 am - 8:00 am

Nun Run Half Marathon, 5K & 1 Mile 2026

DeKoevend Park

Nun Run
September 13th, 2026
Littleton, Colorado

$30 – $60