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Seacoast Half Marathon

October 26, 2025 Portsmouth, NH 03801 US

2025 Seacoast Half Marathon Training Group

Mercuria Running hosts a special 12-week program designed to get you in peak condition for the Seacoast Half Marathon!

This is a welcoming community where you'll find the support and motivation you need to achieve your goals. Expect plenty of fun with bonus challenges, social gatherings, and celebratory moments throughout the program!

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No matter your current running experience, from beginner to seasoned athlete, this program offers training for every level:

  • Complete 12-week half-marathon training program

  • 3x a week coach-led workouts including speed work & long runs

  • Weekly challenges, including mental, mindfulness, and fueling

  • Special training group deals & discounts

  • Bonus events and celebrations
    Themed runs and games

  • Ongoing support and motivation to reach your goals!

  • Plus, you'll receive a $10 discount for your Seacoast Half Marathon race entry!
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The training program begins on Tuesday, August 5, and takes you right up to race day on Sunday, October 26. All running sessions will be in the Portsmouth area.

Space is limited! Registration closes on July 26 or when sold out. Check out the Mercuria Running website for all of the details!

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