Register For
Cambridge Half Marathon + 5K Challenge

Cambridge, MA 02141

Registrant #1

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Choose Your Event Option *

Half + 5K

$165.00

Here‘s what you get when you sign up for this race challenge:
Cambridge Half Marathon
Cambridge, MA 02141 US 5K: Saturday, November 1 @ 10AM; Half: Sunday, November 2 @ 7AM
  • Cambridge Half Marathon — Nov 2, 2025 at 7:00am EST
Cambridge Half Marathon + 5K Challenge
Cambridge, MA 02141 US 5K: Saturday, November 1 @ 10AM; Half: Sunday, November 2 @ 7AM
  • Cambridge Half Marathon + 5K Challenge — Nov 1, 2025 at 10:00am EDT to Nov 2, 2025 at 11:00am EST
Cambridge 5K
Cambridge, MA 02141 US 5K: Saturday, November 1 @ 10AM; Half: Sunday, November 2 @ 7AM
  • 5K — Nov 1, 2025 at 10:00am EDT

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