Participants and Partygoers gather at Queen City Radio in downtown Cincinnati on Feb. 7th, 2026 as part of the national Cupid's Undie Run fundraising event for the Children's Tumor Foundation. Photo by Photo by Martin Lopez Isidro | CityBeat

Yes, it’s a run. Yes, it’s in your underwear. And yes, it’s for a great cause.

Every February, thousands of undie runners in cities across the U.S. come together to support those affected by Neurofibromatosis, a group of genetic conditions that cause tumors to grow on nerves throughout the body.

Cupid’s Undie Run kicked off on Saturday with drinking and dancing, then participants jogged it out with a mile(ish) run and ended with a dance party.

CityBeat contributor Martin Lopez Isidro shot photos of the event – check out his photos below.

  • Participants embark on a half mile race through downtown Cincinnati in 20 degree fahrenheit weather as part of the Cupid’s Undie Run fundraising event on Feb 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Participants and Partygoers gather at Queen City Radio in downtown Cincinnati on Feb. 7th, 2026 as part of the national Cupid’s Undie Run fundraising event for the Children’s Tumor Foundation . Photo by Martin Lopez Isidro | CityBeat
  • Participants and Partygoers gather at Queen City Radio in downtown Cincinnati on Feb. 7th, 2026 as part of the national Cupid’s Undie Run fundraising event for the Children’s Tumor Foundation. Photo by Photo by Martin Lopez Isidro | CityBeat
  • Participants embark on a half mile race through downtown Cincinnati in 20 degree fahrenheit weather as part of the Cupid’s Undie Run fundraising event on Feb 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Participants embark on a half mile race through downtown Cincinnati in 20 degree fahrenheit weather as part of the Cupid’s Undie Run fundraising event on Feb 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Participants embark on a half mile race through downtown Cincinnati in 20 degree fahrenheit weather as part of the Cupid’s Undie Run fundraising event on Feb 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Participants and Partygoers gather at Queen City Radio in downtown Cincinnati on Feb. 7th, 2026 as part of the national Cupid’s Undie Run fundraising event for the Children’s Tumor Foundation . Photo by Martin Lopez Isidro | CityBeat
  • Participants embark on a half mile race through downtown Cincinnati in 20 degree fahrenheit weather as part of the Cupid’s Undie Run fundraising event on Feb 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Participants and Partygoers gather at Queen City Radio in downtown Cincinnati on Feb. 7th, 2026 as part of the national Cupid’s Undie Run fundraising event for the Children’s Tumor Foundation . Photo by Martin Lopez Isidro | CityBeat
  • Participants embark on a half mile race through downtown Cincinnati in 20 degree fahrenheit weather as part of the Cupid’s Undie Run fundraising event on Feb 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Participants embark on a half mile race through downtown Cincinnati in 20 degree fahrenheit weather as part of the Cupid’s Undie Run fundraising event on Feb 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Participants and Partygoers gather at Queen City Radio in downtown Cincinnati on Feb. 7th, 2026 as part of the national Cupid’s Undie Run fundraising event for the Children’s Tumor Foundation . Photo by Martin Lopez Isidro | CityBeat
  • Participants embark on a half mile race through downtown Cincinnati in 20 degree fahrenheit weather as part of the Cupid’s Undie Run fundraising event on Feb 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Participants and Partygoers gather at Queen City Radio in downtown Cincinnati on Feb. 7th, 2026 as part of the national Cupid’s Undie Run fundraising event for the Children’s Tumor Foundation . Photo by Martin Lopez Isidro | CityBeat
  • Participants embark on a half mile race through downtown Cincinnati in 20 degree fahrenheit weather as part of the Cupid’s Undie Run fundraising event on Feb 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Employees of Diamonds Cabaret in Centerville, Ohio comprised the larger indvidual donors to the Cincinnati chapter of the Children’s Tumor Foundation during the Cupid’s Undie Run fundraising event on Feb. 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Participants embark on a half mile race through downtown Cincinnati in 20 degree fahrenheit weather as part of the Cupid’s Undie Run fundraising event on Feb 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Employees of Diamonds Cabaret in Centerville, Ohio comprised the larger indvidual donors to the Cincinnati chapter of the Children’s Tumor Foundation during the Cupid’s Undie Run fundraising event on Feb. 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Participants and Partygoers gather at Queen City Radio in downtown Cincinnati on Feb. 7th, 2026 as part of the national Cupid’s Undie Run fundraising event for the Children’s Tumor Foundation . Photo by Martin Lopez Isidro | CityBeat
  • Participants embark on a half mile race through downtown Cincinnati in 20 degree fahrenheit weather as part of the Cupid’s Undie Run fundraising event on Feb 7th, 2026. Photo by Martin Lopez Isidro | CityBeat
  • Participants embark on a half mile race through downtown Cincinnati in 20 degree fahrenheit weather as part of the Cupid’s Undie Run fundraising event on Feb 7th, 2026. Photo by Martin Lopez Isidro | CityBeat

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