Logo

OVERNIGHT Rat Race

Springfield, United States • 23-24 May 2025

The OVERNIGHT Rat Race - UNSANCTIONED is an extreme endurance event taking place in Springfield, MO, designed for seasoned runners seeking a unique challenge. Participants can choose between a 4-hour or 6-hour option, navigating an unmarked course through the city while hitting various points of interest (POIs) to earn points. The race emphasizes strategy and resourcefulness, as there are no volunteers or course markings. Runners must rely on their instincts and a GPS-enabled device for navigation. Registration includes a retro-inspired race shirt, a custom bib, and post-race snacks, making it a memorable experience for those brave enough to participate. Visit the organization's website for the most recent information.

United States Missouri Springfield

Race information

Registration
6 km
6 Hour Option
4 km
4 Hour Option
Visit the organization's website for the most recent information.
Trail runs nearby

Dirt Quad - Springfield, MO

Springfield

Dirt Quad sends runners to four Springfield trail venues for a GPS tracked, choose your own route event with suggested courses and open navigation. Pick 3 or 6 mile minimums per site, collect medal pieces and earn shirts.

Last Chance Ultra

Springfield

Take on the Last Chance Ultra in Springfield on December 6 and 7, 2025 with trail ultras Saturday and a 10 miler Sunday. Add the Double Tap to race both days and claim bonus swag.

Bleak Midwinter Endurance Run

Springfield

Bleak Midwinter Endurance Run at Sac River Mountain Bike Trails in Springfield MO for January 24 2026 is cancelled after the primary sponsor withdrew. Organizers plan to seek new support and hope to return in 2027.

Hard Times Trail Run - Willard, MO

Willard - 10 mi from Springfield

Hard Times Trail Run in Willard MO features 50K, 25K and 8 mile on a rugged loop with climbs, creek crossings and singletrack. Field capped at 60, all finishers get a shirt and award and proceeds support Headington Hill Classical Academy.

Frisco Railroad Run

Willard - 10 mi from Springfield

...

Run the Frisco Railroad Run in Willard, Missouri on April 25, 2026 with distances from 8K to 50 miles on the scenic Frisco Highline Trail. Mostly flat out and back on fine crushed gravel; the marathon is a Boston qualifier.

Leaky Hourglass Ultra

Halfway - 28 mi from Springfield

Leaky Hourglass is a Last Man Standing in Half Way, Missouri featuring 4.167 mile out and back laps on a rolling rural course. Cutoffs shrink each lap until one runner remains, with onsite aid, camping and free pro photos.