Relentless Run & Ruck Challenge
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Relentless Run & Ruck Challenge - Cape Cod
The Relentless Run & Ruck Challenge is a timed trail event held on a closed 5K loop at Camp Greenough in Yarmouth Port, Cape Cod on October 24, 2026. The event offers three distance options and separate Run and Ruck divisions, with male and female rankings.
Choose from these distances:
- 5K: one 5K loop.
- 10K: two 5K loops.
- 6-Hour Challenge: complete as many 5K loops as possible in six hours.
Participants may choose to Run (no extra weight) or Ruck. Ruck required weights are 30 lb for men and 20 lb for women, measured as dry weight. Required weight must be non-consumable and non-wearable; food, water, or clothing cannot be used as required weight. Required weight may be carried in a backpack, ruck, weighted vest, or plate carrier. Mandatory ruck weigh-in occurs before the start and at the finish. Athletes may remove their ruck or vest during the event but may not make forward progress without the required weight. Sling bags, duffel bags, and trekking poles are not allowed.
Scoring separates Run and Ruck and male/female divisions. 5K and 10K are ranked by fastest time. The 6-hour event counts only full laps; ranking is by completed laps with finish order as a tiebreaker. Awards include top three finishers in each division and a Relentless Grit Award for the 6-hour event.
Relentless Basecamp at the start/finish serves as a personal setup area and watching spot. One aid station at basecamp provides water, electrolytes, and snacks; athletes should plan fuel for each loop. The event designates Heroes In Transition as its official charitable beneficiary, with a community sponsor donating to that charity from paid registrations. Visit the organization's website for the most recent information.
