4K Trail Run

  • Date Thu 26th June 2025 - Wed 20th May 2026
  • Time 4:00PM EDT
  • Location Boston, Massachusetts
  • Price Free - $103.01
  • Races 4 races

Event summary

Get ready for an exhilarating experience at the 4K Trail Run, set to take place on Thursday, June 26, 2025, on the picturesque Cathleen Stone Island in the Boston Harbor, Auburndale, Middlesex. This unique race invites both individual runners and teams to enjoy a thrilling 4K run while soaking in the stunning views of the island. After a scenic ferry ride, participants will dive into the race, followed by a delightful evening filled with dinner, refreshing beer, and a lively on-island party.

Not only is the 4K Trail Run a fantastic way to engage with coworkers and friends, but it also supports a noble cause. Every dollar raised contributes to Cathleen Stone Island's mission of providing free, hands-on science learning experiences for Boston's youth. Mark your calendars for this popular corporate fundraising event and join us on May 21st or 22nd, 2025, to make a meaningful impact while enjoying a day of fun and camaraderie!

Organiser's Description

The 4K Trail Run is the most unique race in Boston! Taking place on Cathleen Stone Island in the Boston Harbor, teams and individual runners will enjoy an afternoon and evening with their coworkers and friends. After a short ferry ride (~30 minutes) to the island, the event will kick off with a 4K race through the island and end with dinner, beer, and an on-island party.

Every dollar raised from the 4K Trail Run supports Cathleen Stone Island's mission [https://cathleenstoneisland.org/about] to deliver free, hands-on science learning to Boston's youth. The 4K Trail Run is an excellent way to invest in education of Boston youth and is our most popular corporate fundraising event. This years 4K Trail Run will take place on Wednesday, May 21st, and Thursday, May 22nd, 2025 (Teams and runners must select one day to participate).

Races

  • Wednesday 4K Trail Run - Individual Registrations

    Incl. $8.01 Fee & T-Shirt (Unisex)

    Wed 20th May 2026 (4:00PM EDT)

    $103.01

    OPENS 05 JAN 26
    Each runner receives chip-timed entry, round-trip ferry transportation, a race t-shirt, dinner and beer!
  • Wednesday 4K Trail Run - Team Registrations

    Incl. T-Shirt (Unisex)

    Wed 20th May 2026 (4:00PM EDT)

    Free

    OPENS 05 JAN 26
    Each runner receives chip-timed entry, round-trip ferry transportation, a race t-shirt, dinner and beer!
  • Thursday 4K Trail Run - Individual Registrations

    Incl. $8.01 Fee & T-Shirt (Unisex)

    Thu 26th June 2025 (4:00PM EDT)

    $103.01

    CLOSED
    Each runner receives chip-timed entry, round-trip ferry transportation, a race t-shirt, dinner and beer!
  • Thursday 4K Trail Run - Team Registrations

    Incl. T-Shirt (Unisex)

    Thu 26th June 2025 (4:00PM EDT)

    Free

    CLOSED
    Each runner receives chip-timed entry, round-trip ferry transportation, a race t-shirt, dinner and beer!

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Location

Cathleen Stone Island Outward Bound School (formerly Thompson Island), Boston, 02210, MA, United States

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