| Buckeye 5K | 12:00 AM | 337 Annie and John Glenn Ave, Columbus, OH | |
| 2nd Annual Mackenzie Corbin Memorial 5k | 12:00 AM | 200 N 5th St, Greenfield, OH | |
| Westerville Parks Foundation Bunny Hop 5k and Kids Fun Run | 12:00 AM | 556 McCorkle Blvd, Westerville, OH | |
| Medal Madness 5K, & 10K at Circleville, OH (13) | 12:00 AM | 1230 Pontius Rd, Circleville, OH | |
| Breathe Strong: Break the Stigma | 12:00 AM | Annie and John Glenn Avenue, Columbus, OH | |
| Cardinal Health VMA and WIN-West March Means MOVING Challenge! | 12:00 AM | 1234 Anyplace Drive, 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 | |
| Capital Students of Military Science 5k Run/Walk | 12:00 AM | 670 Pleasant Ridge Avenue, 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 | |
| Run Columbus Run Spring 2026 | 12:00 AM | 5354 Center Street, 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 | |
| Bailey's Clubhouse 5K | 12:00 AM | | |
| Donot Stop Half Marathon (5k/10k) - Columbus | 12:00 AM | Smith Farm Park, 3285 Watkins Rd, 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 | |
| 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 | |
| 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 | |
| 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 | 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 | |