👻 The New Jersey race scene Just got SPOOKY!

Trials of Miles is thrilled to bring back the Boooo-mfield 5K to the streets of Bloomfield!

This Halloween-themed 5K is part race, part block party, complete with costumes, fall vibes, and just the right amount of fright. Fly like a bat at the front, cruise in costume with friends, or push your little pumpkin in a stroller—no matter how you join, this is one Halloween morning you won’t want to ghost on. 🎃

Best of all, every ghoul, goblin, and werewolf who signs up helps support the Bloomfield High School XC/Track teams and the Friends of Watsessing Park Conservancy, funding everything from student-athlete travel to new trees in the park. Run fast, run spooky, and join us for a fang-tastic morning of costumes, community, and Halloween fun! 🕸️

  • Start Times & Races

    9:00 am Kids Race

    9:15 am 5K Walk & Run

    10:00 am AfterBOO Party

    10:15 am Age Group Award Ceremony

  • Giveaways

    With registration all participants receive:

    A cotton-blend race t-shirt;

    Halloween themed finishers medal;

    Access to giveaways and swag from event vendors.

  • The Course

    This course takes you on a scenic spin through Bloomfield’s streets, with plenty of fall color (and maybe a fright or two) along the way.

    The start and finish sit right in the Watsessing Park, the hub of our Halloween block party.

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Opening Night VA | Sept 4, 2026

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The Montclair Doughnut Run | December 6