EVENTS

September 2025

Sun 14

September 14 @ 7:00 am - 8:00 am

Nun Run Half Marathon, 5K & 1 Mile 2025

DeKoevend Park

Nun Run
September 14th, 2025
Littleton, Colorado

$30 – $60

Sun 14

September 14 @ 7:00 am - 12:00 pm

Lead King Loop Charity Races 2025

Thompson Park 2nd & Main Street, Marble

Lead King Loop 25K
September 14th, 2025
Marble, Colorado

$65 – $85

Sat 20

September 20 @ 1:00 pm - 3:00 pm

Loveland Sweetheart XC

Loveland Sweetheart XC
September 20, 2025
Loveland, CO

Sun 21

September 21 @ 8:00 am - 8:20 am

Second Wind Walk/Run 2025

Clement Park

Second Wind Fund 5K
September 21st, 2025
Littleton, CO

$25 – $35

Fri 26

September 26 @ 10:30 am - 10:40 am

Stair Climb for Los Angeles 2025

US Bank Tower 633 West Fifth Street, Los Angeles, CA, United States

Climb for LA
September 26th, 2025
Los Angeles, California

$50 – $150

Sat 27

September 27 @ 8:30 am - 8:45 am

Rut Run 2025

Estes Park

Rut Run 5K
September 27th, 2025
Estes Park, CO

Sun 28

September 28 @ 10:00 am - 10:15 am

Lion’s Roar 5K

Clement Park

Lion's Roar
Sept 28, 2025
Clement Park

$45

Mon 29

September 29 @ 6:00 am - 6:15 am

AAP Friends of Children Fund 5K Run & Walk

AAP Friends of Children Fund
September 29, 2025
Sloan's Lake in Denver, CO

October 2025

Sun 5

October 5 @ 9:00 am - 11:00 am

Strides for Sierra

Sierra Elementary 7771 Oak St, Arvada, CO

Strides for Sierra
October 5th, 2025
Arvada, CO

$10 – $30

Thu 9

October 9 @ 3:00 pm - 3:20 pm

Wildcat XC Invitational

Wildcat Invitational XC
October 9th, 2025
Elizabeth, Colorado