| Ohio State Pharmacy Alumni Society Pharmathon 5K | 12:00 AM | 337 West 17th Ave, Columbus, OH | |
| Tappicon 5K | 12:00 AM | 400 North High Street, 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 | |
| Mom Day 5K, 10K + Kiddo Dash | 12:00 AM | 325 Cleveland Ave, Westerville, OH | |
| Barons Bolt | 12:00 AM | 8738 Marysville Rd, Ostrander, OH | |
| Coopers Troopers Foundation 5k | 12:00 AM | 5240 Plum Rd NW, Carroll, OH | |
| Gilead Fitness 5k & Fun Run | 12:00 AM | 195 S Main St, Mount Gilead, OH | |
| Tie Dye 50k | 12:00 AM | 3790 State Route 370, Yellow Springs, OH | |
| Girls on the Run Central Ohio Spring 5K | 12:00 AM | John F. Wolfe Columbus Commons, 160 S High Street, Columbus, OH | |
| Fallen 15 Memorial Day 4-Miler and Virtual 4-Miler | 12:00 AM | Adventure Park, 260 Adventure Park Dr, Powell, OH | |
| Tunnel to Towers 5K Run & Walk - Westerville, OH | 12:00 AM | 325 N. Cleveland Ave., Westerville, OH | |
| Habitat for Humanity, Knox County 5K and 1Mile Fun Run/Walk | 12:00 AM | Gambier Community Center, 115 Meadow Lane, Gambier, OH | |
| Just Another Dam Race 5K and 1 Mile Fun Run | 12:00 AM | 3400 Lewis Center Road, Lewis Center, OH | |
| Luau 5K, & 10K at Circleville, OH (21) | 12:00 AM | 1230 Pontius Rd, Circleville, OH | |
| Columbus Pet Run and Walk | 12:00 AM | 4405 Scenic Dr, Columbus, OH | |
| 5k Meowathon: A Benefit for Colony Cats | 12:00 AM | | |
| Field of Heroes 5k | 12:00 AM | Westerville Sports Complex, 325 N Cleveland Ave, Westerville, OH | |
| Red, White and Run 5k | 12:00 AM | 7370 Groveport Road, Groveport, OH | |
| Roosters Memorial Day 5k Run | 12:00 AM | 1312 Granville Pike, Lancaster, OH | |
| UACA Memorial Day Run | 12:00 AM | Upper Arlington Fire Station #72, 3861 Reed Rd, Columbus, OH | |
| Walk & Roll 5K for Invisible Disabilities | 12:00 AM | 333 W Broad St, Columbus, OH | |
| Young's Jersey Dairy Cheddar Challenge 5k | 12:00 AM | Young's Jersey Dairy, 6880 Springfield-Xenia Road, Yellow Springs, OH | |
| Private School Pups 4th Annual 5K Run/Walk | 12:00 AM | | |
| Licking County Suicide Prevention Race | 12:00 AM | Rotary Park, 925 Sharon Valley Rd, Newark, OH | |