Trail Running calendar near Flat Branch 2026-2027

Ultra Sweaty Santa is a 10th annual timed endurance event on July 18, 2026 in Devils Elbow, MO with 30 minute, 3 hour, and 6 hour options on shaded crushed gravel loops by the Big Piney River; the event is free and accepts donations.

A certified 8K out and back on the Katy Trail at McBaine with staggered starts based on predicted finish times. Registration is online only; Columbia Track Club members enter free and other participants pay $10.

A loop-based trail event in Foristell, Missouri on August 1, 2026, where runners repeat a 3.1 mile (5K) loop each hour and may stop after any completed loop. Results combine times for all completed loops to determine rankings.

A paved out and back running event on the Spirit Trail in Knob Noster, Missouri. Distances include 5K, 10K, 15K and 20K, and all finishers receive a medal.

A multi-distance trail ultra on a 10 mile Ozark loop near Waynesville, MO, held August 15–16, 2026. Multiple distances are offered and proceeds support the OneSolePurpose shoe program.

A women only weekend at Cuivre River State Park with camping, hiking, night trail runs and outdoor clinics organized by Terrain Trail Runners. The free event is capped at 20 participants and hosting costs are shared among attendees.

A multi-race weekend in Waynesville, MO offering 5k, 10k and half marathon courses that finish at Waynesville Park, riverside fall scenery, and an optional multi-race Frog Hill Challenge medal.

Three race formats on Bridal Cave Road and Thunder Mountain Park in Camdenton, MO: the Bridal 5Kave, a 3 hour challenge, and a 6 hour challenge. Each repeat includes about 1/2 mile down and 1/2 mile up with roughly 300 feet of elevation gai..

Backyard ultra in Rolla, MO on October 10, 2026 where runners repeat a 4.167 mile loop each hour until one runner completes one more lap than the rest. The winner receives a custom belt buckle and a bronze coin.

A timed trail event at Rothwell Park where participants complete as many one mile loops as possible within a chosen 3, 6 or 12 hour category; entries are available as solo runs or three person team relays and proceeds support Special Olympi..

Trail event at Rock Bridge State Park offering 50K and 25K courses on mostly single track with creek crossings, chip timing, aid stations, an eight hour limit, and limited entries.

Tom Sawyer's Trial by Trail is a 10K trail race in Hannibal, Missouri on October 17, 2026, using single track, dirt and paved trails. The Year Two edition includes masters divisions, cash prizes, age group awards and a three hour cutoff.

Trail races at Frenchman’s Bluff on October 25, 2026 offer an 8 Mile and a Half Marathon with bluff views, creek crossings and varied single track and fire road terrain. Entry is limited to 400 and finishers receive a long sleeve shirt and..

A timed-loop endurance event at Ballparks National where runners repeat a 3.1 mile loop within chosen 1, 3, 6, 9, or 12 hour leagues, choosing either obstacle Gauntlet or a Pure Running Division.

A looped single-track trail race at Knob Noster State Park offering distances from 10K to 50K. The Opossum Hollow Trail includes roots, rocks, creek crossings and about 550 feet of elevation gain per 10K.

Trail event at Maramec Spring Park in February 2027 offering distances from 5K to 100 miles, on two named park trails with aid, camping, and awards including buckles for the longest distances.

Flat Branch Ultra in Columbia Missouri offers a USATF certified 50K and a noncertified 25K on a rails to trails out and back course. The 50K includes cash awards for overall winners and passes a notable roughly 400 year old Bur Oak.

Trail races and a 10 mile ruck take place on a roughly 10 mile loop at Three Creeks Conservation Area near Columbia, MO, featuring single track, creek crossings, aid stations, and time limits by distance.

The 24 Hour Lions Roar in Columbia, Missouri features individual and tag team ultrarunning races at Gans Creek Recreation Area, including 24 hour, 12 hour, 6 hour and a Cub Run. Awards include solo and lifetime mileage honors plus champions..

A multi-race event at Lake of the Ozarks State Park near Kaiser, MO, featuring a run-plus-paddle LOZ Traverse, a 25K trail with significant elevation, and shorter trail races with aid stations and awards.