Barr Lake Trail Run Loop

Big Dry Creek Trail — Broomfield, Colorado

Barr Lake Trail Run Loop

Coal Creek & Rock Creek loop — Lafayette

Perimeter Trail & Greenway Trail loop — Rocky Mountain Arsenal National Wildlife Refuge

Legacy Trail, Prairie Trail, & Lake Ladora loop — Rocky Mountain Arsenal National Wildlife Refuge

Clear Creek Trail: Twin Lakes Park to Lowell Ponds Wildlife Area

South Platte River Trail: Elaine T. Valente Open Space to Riverdale Regional Park

Kneebone loop — Erie

Little Dry Creek Trail — Westminster, Colorado

Sand Creek Greenway & High Line Canal Run (Short Loop)

Sand Creek Greenway Run (Long Loop)

Sand Creek Regional Greenway — Denver, Colorado