| Candy Cane Course-Columbus | 12:00 AM | Wolfe Park, 105 Park Dr, Columbus, OH | |
| ORRRC Winter Solstice Trail Run | 12:00 AM | 3690 State Route 370, Yellow Springs, OH | |
| Hot Chocolate & Eggnog Races | 12:00 AM | 6911 Cleveland Ave, Westerville, OH | |
| Holiday 5K, & 10K at Mary Virginia Crites Hannan Park, Circleville, OH (52) 20 | 12:00 AM | 1230 Pontius Rd, Circleville, OH | |
| Race Through Ohio 1M, 5K, 10K, 13.1, 26.2 - Now Only $15! | 12:00 AM | Participate from Home, Columbus, OH | |
| ORBC Run Club | 12:00 AM | 303 Green Meadows Dr S, Lewis Center, OH | |
| NC4K Reindeer Run | 12:00 AM | 300 W Broad St, Columbus, OH | |
| Run for Education 5K | 12:00 AM | 800 Amrine Mill Rd, Marysville, OH | |
| New to You - Baltimore 2-Miler | 12:00 AM | 500 W. Washington Street, Baltimore, OH | |
| Time Travel Half-Marathon (and 5k/10k) - Columbus | 12:00 AM | Raccoon Valley Park, 1225 River Rd, Granville, OH | |
| Fantastic Frigid 5K Series | 12:00 AM | 3083 Liberty Road, Delaware, OH | |
| Medal Madness 5K, & 10K, Circleville, OH (04) | 12:00 AM | 1230 Pontius Rd, Circleville, OH | |
| OSU Indoor Triathlon | 12:00 AM | 337 Annie and John Glenn Ave, Columbus, OH | |
| Inspire Columbus Winter Challenge | 12:00 AM | 765 N High Street, Columbus, OH | |
| Warm Up Columbus | 12:00 AM | 655 Metro Place South, Dublin, 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 Mary Virginia Crites Hannan Park, Circleville, OH (09S30) | 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 | |
| Time to Paddy 5k/10k & Lucky 13.1 - Columbus | 12:00 AM | | |
| CWRC Winter "Time" Challenge | 12:00 AM | 470 W Broad St, #1098, Columbus, OH | |
| Bailey's Clubhouse 5K | 12:00 AM | | |
| Scioto Miles Spring Race Series | 12:00 AM | 303 W Broad St, Columbus, OH | |
| Medal Madness 5K, & 10K at Mary Virginia Crites Hannan Park, Circleville, OH (13S20) | 12:00 AM | 1230 Pontius Rd, Circleville, 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, 13.1 & 26.2 at Yoctangee Park, Chillicothe, OH (15) 80 | 12:00 AM | Yoctangee Park, 1 Annex, N Park Dr, Chillicothe, 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 | | |
| The Spring Fling @ Alum Creek | 12:00 AM | Alum Creek State Park (Marina), 4000 Hollenback Rd, Lewis Center, OH | |
| Alum Creek Trail Race | 12:00 AM | Alum Creek State Park (Marina), 4000 Hollenback Rd, Lewis Center, OH | |
| Combustion Anniversary Beer Mile | 12:00 AM | Combustion Brewery & Taproom, 80 W. Church St, Suite 101, Pickerington, OH | |
| The Ridgewood Roadrunner Run | 12:00 AM | 4237 Dublin Road, Hilliard, OH | |
| VeloScience Vintage Rally to support CHA Animal Shelter | 12:00 AM | 29 S HIGH ST, Suite B, New Albany, OH | |
| Zusman Hospice and Pancreatic Cancer Walkathon Fundraiser | 12:00 AM | Wexner Heritage Village, 1151 College Ave, 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 | |
| Res Ipsa | Fun Run/Walk with the Ohio Association for Justice | 12:00 AM | 7100 New Albany Links Dr, New Albany, OH | |
| McConnell 5K Run/Walk and 1 Mile Walk | 12:00 AM | McConnell Heart Health Center, 3773 Olentangy River Rd, Columbus, OH | |
| The Ohio Parks 5 X 5 Challenge (25K: Dayton Area) | 12:00 AM | John Bryan State Park (Lower Shelter/Picnic Area), 3790 State Route 370, Yellow Springs, OH | |
| 6 Hours of Power (John Bryan State Park) | 12:00 AM | John Bryan State Park (Lower Stone Shelter), 3790 State Route 370, Yellow Springs, OH | |
| Ohio Mother’s Day 1mi, 5k, 10k, 15k & FREE Kids Dash | 12:00 AM | 500 Maier Pl, Columbus, OH | |
| The Little Miami Trail Challenge @ John Bryan | 12:00 AM | John Bryan State Park (Lower Shelter House), 3790 State Route 370, Yellow Springs, OH | |
| Hometown Half Marathon & 5k/10k - Columbus | 12:00 AM | | |
| Fallen 15 Memorial Day 4-Miler and Virtual 4-Miler | 12:00 AM | Adventure Park, 260 Adventure Park Dr, Powell, OH | |