| Dr. Robert J. Fass Memorial AIDS Walk Ohio | 12:00 AM | 303 West Broad Street, Columbus, OH | |
| 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 | |
| Baileys & Bacon 5K | 12:00 AM | 20 W. Silver Street, Lebanon, OH | |
| Hustle for Habitat 5K | 12:00 AM | 556 McCorkle Blvd, Westerville, OH | |
| Rollhouse Birthday Run | 12:00 AM | 6153 Honey Farm Wy, Grove City, 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 | 119 W Cumberland St, Hebron, OH | |
| Friends of CASA 5K Teddy Bear Trot | 12:00 AM | Glacier Ridge Metro Park, 9801 Hyland-Croy Rd, Plain City, OH | |
| OSU Indoor Triathlon | 12:00 AM | 337 Annie and John Glenn Ave, Columbus, OH | |
| Kicks for Kids 5K | 12:00 AM | 337 Annie and John Glenn Ave, Columbus, OH | |
| Finley's Smile 5K and Smile Mile | 12:00 AM | Liberty Park, 2845 Home Road, Powell, OH | |
| The Ridgewood Roadrunner Run | 12:00 AM | 4237 Dublin Road, Hilliard, OH | |
| Hoffman Trailblazer 5K | 12:00 AM | 4301 Hoffman Farms Dr, Hilliard, OH | |
| Cable Country Classic | 12:00 AM | 3630 Inskeep Rd, Cable, OH | |
| 5k Fun Run and Hike | 12:00 AM | 29176 Klump Rd, Valley View Hills Winery & Cabins, Sugar Grove, 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 | |
| Walk Together | 12:00 AM | 1500 Polaris Pkwy, Enter at the Upper Level Main Entrance, between Brio and Molly Woos, Columbus, OH | |
| 1 Day for the K.I.A. 12 Hour Endurance Run | 12:00 AM | 1858 Neil Ave, Columbus, OH | |
| Ohio State Pharmacy Alumni Society Pharmathon 5K | 12:00 AM | 337 West 17th Ave, Columbus, OH | |
| Bluffsview Color Run | 12:00 AM | 7111 Linworth Rd, Columbus, OH | |
| Westerville Parks Foundation Virtual Bunny Hop | 12:00 AM | Anywhere, USA, Westerville, OH | |
| 2026 Alton Hall Fun Run | 12:00 AM | Alton Hall Elementary School, 982 Alton Road, Galloway, OH | |
| Alicia's Closet 5K | 12:00 AM | | |
| Team Phillip's "Help Me Obi Wan Kenobi" 5K, Fun Run and Jedi Dash | 12:00 AM | 3860 Bixby Rd, Groveport, OH | |
| Stop the Suffering 5k | 12:00 AM | Scioto Audobon Metro Park, 400 W Whittier St, Columbus, OH | |
| Walk In Our Boots 5k | 12:00 AM | 73 W Johnstown Rd, Gahanna, OH | |
| The Candy Dash 1 Mile Fun Run, 5k 10k | 12:00 AM | | |
| 5 de Mayo Run & Fiesta (5K Run/Walk) | 12:00 AM | 3285 Watkins Rd, Columbus, 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 | Springfield High School, 701 E Home Rd, Springfield, OH | |
| Let Me Run Columbus SpringFest 5K | 12:00 AM | 325 North Cleveland Ave, Westerville, 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 | |
| Ohio Mother’s Day 1mi, 5k, 10k, 15k & FREE Kids Dash | 12:00 AM | 685 Powell Rd, Lewis Center, OH | |
| Steps of Change- Walk a Mile in my Shoes | 12:00 AM | 1 Courthouse Square, Newark, OH | |
| McConnell 5K Run/Walk and 1 Mile Walk | 12:00 AM | McConnell Heart Health Center, 3773 Olentangy River Rd, Columbus, OH | |
| Sanctuary Night Mother's Day 5K | 12:00 AM | 303 W Broad St, Columbus, OH | |
| Columbus Empower Walk & 5K Run | 12:00 AM | Columbus Commons, 160 S. High Street, Columbus, OH | |
| Spring Into Nature 5K | 12:00 AM | 6946 Co Rd 10, Zanesfield, 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 | |
| Hometown Half Marathon & 5k/10k - Columbus | 12:00 AM | Smith Farm Park, 3285 Watkins Rd, Columbus, OH | |
| Strong Like A Mother 5K | 12:00 AM | 105 Park Dr, 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 | |
| The Rikki-Lynn Warrior Foundation 5k Walk & Run | 12:00 AM | 721 E Home Rd, Springfield, OH | |
| Healthy Kids Running Series Spring 2026 - Delaware, OH | 12:00 AM | Veterans Park, 1121 S Houk Road, Delaware, OH | |