| 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 | |
| 2026 Mother's Day Virtual 5k - Columbus | 12:00 AM | Virtually Anywhere, Columbus, 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 | |
| Coopers Troopers Foundation 5k | 12:00 AM | 5240 Plum Rd NW, Carroll, 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 | |
| Girls on the Run Central Ohio Spring 5K | 12:00 AM | John F. Wolfe Columbus Commons, 160 S High Street, Columbus, OH | |
| Columbus Pet Run and Walk | 12:00 AM | 4405 Scenic Dr, Columbus, 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 | |
| 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 | |
| Who Will Carry the Flag - Memorial Day Run | 12:00 AM | Tara Glen Drive and Cheshire Road, Delaware, 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 | |
| Mental Health Fun Run | 12:00 AM | 130 Clum Drive, Thornville, OH | |
| Hargus Lake Trail Race | 12:00 AM | A.W. Marion State Park, 7519 Warner-Huffer Rd, Circleville, OH | |
| Deercreek Dam Days Festival 5k Run/Walk | 12:00 AM | 104 North Main Street, Williamsport, OH | |
| 2FGR Run for Inclusion | 12:00 AM | 7007 Discovery Blvd, Dublin, OH | |
| The Grandma Gatewood (Virtual) Challenge | 12:00 AM | P.O. Box 403, Westerville, OH | |
| The Hunger Run | 12:00 AM | 105 Park Dr, Wolfe Park, Columbus, OH | |
| Trails and Tails Virtual 5k | 12:00 AM | | |
| KMoney's Birthday Run for GOTR | 12:00 AM | 123 Main Street, Columbus, OH | |
| The 5K for Kids' Mental Health | 12:00 AM | 96 Columbus Crew Way, Columbus, OH | |
| League of Legends, 100 Miles in May | 12:00 AM | Anywhere (Virtual), Columbus, OH | |
| Sam's Fans 5K | 12:00 AM | | |
| The Big Run with Fleet Feet Columbus | 12:00 AM | 1270 E. Powell Road, Lewis Center, OH | |
| JOHNSTOWN MASTODON MARCH 5K/10K RUN & WALK | 12:00 AM | 1 Phalen Place, Johnstown, OH | |
| Alum Creek Trail Race | 12:00 AM | Alum Creek State Park (Marina), 4000 Hollenback Rd, Lewis Center, OH | |