| 26k for 2026 Relay | 12:00 AM | 97 E Dublin Granville Rd, New Albany, OH | |
| Warm Up Columbus | 12:00 AM | 655 Metro Place South, Dublin, OH | |
| Inspire Columbus Winter Challenge | 12:00 AM | 765 N High Street, Columbus, OH | |
| Couple Shuffle - Columbus | 12:00 AM | | |
| Rocks and Roots Winter Series | 12:00 AM | 3993 Hollenback Rd, Lewis Center, OH | |
| Timbuk Winter Run Challenge | 12:00 AM | 2030 Timbuk Rd, Granville, OH | |
| Viking 5K, & 10K at Circleville, OH (09) | 12:00 AM | 1230 Pontius Rd, Circleville, OH | |
| Brain Injury Awareness 5K Run and 1 Mile Family Walk | 12:00 AM | 337 Annie and John Glenn Ave, Columbus, OH | |
| Columbus Cookie Run and Walk | 12:00 AM | 105 Park Dr, Columbus, OH | |
| Stroll for Epilepsy | 12:00 AM | 1500 Polaris Parkway, Columbus, OH | |
| ORRRC Little Miami 10 Mile Race | 12:00 AM | 100 Dayton St., Bryan Center, Yellow Springs, OH | |
| Leprechaun Chase | 12:00 AM | 1 Enderlin Circle, Chillicothe, OH | |
| #StayActive 5k | 12:00 AM | 800 Amrine Road, Marysville, OH | |
| Shamrock Shake 3.28 Mile 2026 | 12:00 AM | Nocterra Brewing Company, 41 Depot St, Powell, OH | |
| CRC's Celtic Rush 5K | 12:00 AM | | |
| Time to Paddy 5k/10k & Lucky 13.1 - Columbus | 12:00 AM | Smith Farm Park, 3285 Watkins Rd, Columbus, OH | |
| Wiener Dog Olympics | 12:00 AM | 717 E 17th Ave, Columbus, OH | |
| CWRC Winter "Time" Challenge | 12:00 AM | 470 W Broad St, #1098, Columbus, OH | |
| Bailey's Clubhouse 5K | 12:00 AM | | |
| Marysville Mini Backyard Ultra - Spring Edition | 12:00 AM | 1067 Creekview Dr, Marysville, OH | |
| Scioto Miles Spring Race Series | 12:00 AM | 303 W Broad St, Columbus, OH | |
| Mackenzie Corbin Memorial 5k | 12:00 AM | 200 N 5th St, Greenfield, OH | |
| Bunny Hop | 12:00 AM | 556 McCorkle Blvd, Westerville, OH | |
| Medal Madness 5K, & 10K at Circleville, OH (13) | 12:00 AM | 1230 Pontius Rd, Circleville, OH | |
| Cardinal Health VMA March Means MOVING Challenge! | 12:00 AM | 7000 Cardinal Place, Dublin, OH | |
| The Muddy Duck | 12:00 AM | 3993 Hollenback Rd, Lewis Center, OH | |
| Franklinton 10 Miler and 5K | 12:00 AM | 303 W Broad St, Columbus, OH | |
| Pirate 5K, 10K, 13.1M, & 26.2M at Chillicothe, OH (15) | 12:00 AM | Yoctangee Park, 1 Annex, N Park Dr, Chillicothe, OH | |
| The Clover 5K - Franklin County 4-H | 12:00 AM | 5035 Northwest Parkway, Franklin County Fairgrounds, Hilliard, OH | |
| WES Wellness 5K 2026 | 12:00 AM | 6760 Rieber St, Worthington, OH | |
| London OH Marathon | 12:00 AM | Merri-Mac Park, London, OH | |
| Donot Stop Half Marathon (5k/10k) - Columbus | 12:00 AM | | |
| Apple Blossom 5K | 12:00 AM | Peifer Orchards, 4590 US 68 N, Yellow Springs, OH | |
| 6 Hours of Power (Alum Creek State Park) | 12:00 AM | Alum Creek State Park (Marina), 4000 Hollenback Rd, Lewis Center, OH | |
| The Spring Fling @ Alum Creek | 12:00 AM | Alum Creek State Park (Marina), 4000 Hollenback Rd, Lewis Center, OH | |
| Alum Creek Trail Races | 12:00 AM | Alum Creek State Park (Marina), 4000 Hollenback Rd, Lewis Center, OH | |
| Hustle for Habitat 5K | 12:00 AM | 556 McCorkle Blvd, Westerville, OH | |
| Combustion Anniversary Beer Mile | 12:00 AM | Combustion Brewery & Taproom, 80 W. Church St, Suite 101, Pickerington, OH | |
| The Shot Heard Around the World 5K | 12:00 AM | | |
| OSU Indoor Triathlon | 12:00 AM | 337 Annie and John Glenn Ave, Columbus, OH | |
| The Ridgewood Roadrunner Run | 12:00 AM | 4237 Dublin Road, Hilliard, OH | |
| Cable Country Classic | 12:00 AM | 3630 Inskeep Rd, Cable, OH | |
| Run for Rainbows 5K | 12:00 AM | | |
| VeloScience Vintage Rally to support CHA Animal Shelter | 12:00 AM | 29 S HIGH ST, Suite B, New Albany, OH | |
| Bluffsview Color Run | 12:00 AM | 7111 Linworth Rd, Columbus, OH | |
| Team Phillip's "Help Me Obi Wan Kenobi" 5K, Fun Run and Jedi Dash | 12:00 AM | 3860 Bixby Rd, Groveport, OH | |
| CRC Winter Training: Half Marathon & Marathon Program | 12:00 AM | 765 N High Street, Columbus, OH | |
| Prowl for a Purpose 5k and 1 Mile | 12:00 AM | 701 E Home Rd, Springfield, OH | |
| ORRRC George Rogers Clark Park 10k Trail Race | 12:00 AM | 936 South Tecumseh Road, George Rogers Clark State Park, Springfield, OH | |
| Res Ipsa | Fun Run/Walk with the Ohio Association for Justice | 12:00 AM | 7100 New Albany Links Dr, New Albany, OH | |