2025 4K Trail Run
Join us on Wednesday, May 21st or Thursday, May 22nd for the most unique race in Boston!
You can register as an individual runner below, or as part of a corporate team. If your corporate team is already registered, please contact your Team Captain for your registration link. If your corporate team has not yet registered, please contact Leah Kelly at lkelly@cathleenstoneisland.org.
Individual Registration
Friend of the island or a fan of the race looking to join this year's trail run? Register yourself as an individual to run on Wednesday, May 21st or Thursday, May 22nd.
Sign Up as An Individual RunnerCorporate Team Registration
Every team has a unique registration link. If your team has already registered, please reach out to your Team Captain for your registration link. If your team has not registered yet, contact Leah Kelly at lkelly@cathleenstoneisland.org to register today.
