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  • PPRR Nielson Challenge

    PPRR Nielson Challenge
    North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United States

    Race Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is […]

  • RMRR Platte River Trailhead Park 5K/10K

    RMRR Trophy Series
    Platte River Trailhead Park Colorado Blvd and E 88th Ave, Thornton, CO, United States

    Everyone – slow, fast, or in-between –  can win  at RMRR Trophy Series races.  With our handicap scoring system, we predict YOUR finish time based on recent running results, giving you a great […]

  • All-Out Polar Prowl

    Stenger Soccer Complex 11200 W 58th Ave, Arvada, CO, United States

    From the heart of the West Metro area and the Stenger Soccer Complex, All-Out brings you Polar Prowl! Along with its Endless Series sidekick in June… Summer Breeze, these 5K, 10K and Half […]

  • Sentinel Flurry 5K

    Golden View Classical Academy 601 Corporate Cir, Golden, CO, United States

    The Sentinel Flurry returns for the 2025-2026 School year! It will take place on January 10th, 2026.   Participants can sign up for the 1 mile, 5K or the Combo.  Combo […]

  • PPRR Winter Series I

    PPRR Winter Series
    Red Leg Brewing Company 4630 Forge Rd, Suite B, Colorado Springs, CO, United States

    The series consists of four progressively longer (LONG AND SHORT) races. Please note: You must choose your distance when registering. The Long Race starts at 10:00AM. Short Race starts at 10:20AM. The […]

  • CMRA Frozen Platte 8K

    Platte River Bar & Grill 5995 S Santa Fe Dr, Littleton, CO, United States

    The course will go north from there on the S. Platte trail, across the suspension bridge at the Big Dry Creek Trail, back south on the west side of the […]

  • Beaver Creek Uphill

    Beaver Creek Mountain PO Box 0058, Avon, CO, United States

    Come ski, board, or run with us until the sun comes up on some of the best ski slopes in Colorado! Kicking off the Winter Races is the Beaver Creek […]

  • Tortoise & Hare 5K

    Tortiose & Hare Race Series
    Fossil Creek Park Lemay Avenue, Fort Collins, CO, United States

    The Tortoise & Hare (T&H) is a low-key “handicap” series of seven races that are run monthly from October to April, typically on the first or second Sunday of the […]

  • Trail Apples 4 Mile

    Chatfield State Park 11500 N Roxborough Park Road, Littleton, CO, United States

    We host one race per month from November to March.  All races are at Chatfield State Park and start at 9:00 am on Saturday mornings.  Check-in starts at 8:15 am.

  • Almageddon Winter Triathlon

    Alma City Park 59 Buckskin St, Alma, CO, United States

    Take on the ultimate winter endurance challenge at 10,653 feet in Alma, Colorado, the highest incorporated town in North America. The ALMAGEDDON Winter Triathlon combines fat biking, Nordic skiing, and […]

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    We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
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