In February, thousands of bold, pants-less participants will hit the streets in 31 cities across the U.S. for the annual Cupid’s Undie Run, a one-of-a-kind fundraiser for the Children’s Tumor Foundation (CTF). This unforgettable event raises awareness for NF and funds vital research to combat the rare genetic condition that causes tumors to grow all over the body.
From Boston to Orlando, Washington, D.C. to Los Angeles and dozens of cities in between, fearless fundraisers in eye-catching outfits – everything from superhero undies to laugh-out-loud costumes – will join in America’s most daring and fun-loving charity event. The day kicks off with music, mingling, and a drink (or two), followed by a “brief” one-mile(ish) jog and an epic dance party to top it all off,celebrating the best costumes and top fundraisers. Participants are encouraged to let their personalities shine – whether it’s in their favorite undies, PJ’s, or a creative costume – because the more fun, the better!
This year, Cupid’s Undie Run is fueled by the support of two amazing companies: National Underwear Partners Woxer and Pair of Thieves, both back for a second year to help make Cupid’s Undie Run a success in its effort to end NF.
“We feel incredibly fortunate that through our Good Fits program, Pair of Thieves has been able to provide critical support for a myriad of important causes,” said Cash Warren, founder of Pair of Thieves. “Cupid’s Undie Run is all about having fun while giving back to those in need, and that aligns perfectly with our brand values.”
“I can’t imagine a more perfect pairing than running in your underwear and giving back to a cause as important as ending NF,” said Alexandra Fuente, Woxer CEO & Founder. “We are thrilled to be a part of Cupid’s Undie Run, joining forces with the incredible team at Pair of Thieves and the dedicated and admirable Children’s Tumor Foundation. We encourage our Woxer community to embrace the cause and sport their boxer briefs to support ending NF!”
NF is a group of genetic conditions that causes tumors to grow on nerves throughout the body and affects 1 in 2,000 births, which is about 4 million people worldwide. Anyone can be born with NF across all populations, and it affects everyone differently. NF can cause a wide range of systems, including blindness, deafness, bone abnormalities, disfigurement, learning challenges, disabling pain, or cancer.
The Children’s Tumor Foundation (CTF) is a global leader and catalyst for advancing treatments for neurofibromatosis and schwannomatosis (collectively known as NF). As the driving force behind NF drug discovery and development, CTF unites patients, researchers, clinicians, and industry to propel innovative therapies from the lab to the clinic. CTF is laser-focused on delivering approved treatments and ultimately finding cures for all forms of NF.
From a single run in Washington, D.C. in 2010, Cupid’s Undie Run has grown to a joy-filled, national fundraising phenomenon with tens of thousands in the fight against NF. In 2025, Cupid’s Undie Run will be held in Atlanta, Austin, Baltimore, Boise, Boston, Buffalo, Charleston, Chicago, Cincinnati, Cleveland, Dallas, Denver, Detroit, Jacksonville, Kansas City, Los Angeles, Madison, Minneapolis, Nashville, New York, Orlando, Philadelphia, Phoenix, Pittsburgh, Raleigh-Durham, Reno, the San Francisco Bay Area, Seattle, St. Louis, St. Petersburg, Virginia Beach, Washington, DC, and Wilmington.
Join the party, make a difference, and help bring us closer to a world without NF. Register today at cupids.org.
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