Any New Hampshire-based RRCA club or USATF club is eligible to participate in the NHGP. The current active clubs include:
- acidotic RACING
- Club Northeast
- Coastal Athletic Alliance
- Gate City Striders
- Granite State Racing Team
- Greater Derry Track Club
- Greater Manchester Running Club
- Millennium Running
- Monadnock Regional Milers
- Six03 Endurance
- Rochester Runners
- Runner’s Alley
- Upper Valley Running Club
- White Mountain Milers