Champlain Islands Marathon & Half Marathon Logo

Champlain Islands Marathon & Half Marathon

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Folsom Elementary School, South Hero VT

Sunday, October 19th, 2025

🏁 Starting Times

The Full and Half Marathon will start at 8:30 AM directly in front of the Folsom Elementary School.

🏞️ Course

The marathon and half-marathon begin and end near the house where Clarence H. DeMar, seven-time Boston Marathon Winner, once lived. The half-marathon course is out and back on the west shore of South Hero and Grand Isle: a land of farms, apple orchards, and summer cottages. The terrain is flat to rolling.

  • USATF Certification: VT24002JK
  • Full Marathon: Two out-and-backs of the half-marathon course.
  • Cut Off Times: Marathon - 6 hours, Half-Marathon - 4 hours.

⛑️ Aid Stations

There will be an aid station approximately every 2 miles starting at mile 2 and stopping at mile 24 for a total of 12 aid stations (2-3 porta-potties on course). Water and electrolyte drink will be supplied at all aid stations. Additional assistance will be available to runners in the form of sweep vehicles.

📝 Registration

Pre-registration is now open. This event has sold out in recent years. Register early for guaranteed entry and best pricing.

  • Discount for GMAA members: $10 for Full Marathon, $5 for Half Marathon.
  • Race Day Registration: From 7am to 7:45am.
  • Maximum Runners: 500.
  • No Refunds: If you cannot participate.

You may change the race distance with a charge. Ensure to confirm the event before completing your transaction.

👕 Shirts

All participants will receive a race shirt.

🚫 Restrictions

Runners must be age 16 or older.

📦 Packet Pickup

Other runners may pick up a friend or family member's race packet.

  • Friday, Oct. 17th: 12-6 pm at SkiRack
  • Saturday, Oct. 18th: 12-6 pm at SkiRack
  • Sunday, Oct. 19th: 7-8 am at Folsom School

SkiRack is located at 85 Main Street, in Burlington, VT.

🏆 Awards

Awards will be given to the top overall male, female & non-binary finishers, the top masters, as well as the top finisher in each age-group. Medals to all marathon and half-marathon finishers.

🏨 Lodging

Island Lodging on the race course:

  • Crescent Farm Bay Farm B&:B 1-802-324-5563 (mile 2-3)
  • Ferry Watch Inn 1-802-777-2530 (mile 8-9)
  • Full List: Link

🌄 Attractions

If you can picture the Lake Champlain Islands in mid-October, then you have reason to join us. If you have never seen Vermont or the 'Islands' in October, then you have even more reason to join us with your entire family.

  • Lake Champlain Islands Chamber of Commerce (800) 262-5226
  • Burlington Things-To-Do
  • Lake Champlain Ferries (802) 864-9804

🗣️ Past Runner Testimonials

Follow this link to hear what other runners have had to say about our event.

The GMAA Champlain Islands Marathon is held for runners by runners. Our goal is to offer a quality marathon at an affordable price in a relaxed setting. Come join us!

🙌 Volunteers

As with any event, it takes volunteers to make things happen. If you or anyone you know would like to volunteer at our race, we would greatly appreciate it.

  • Areas Needed: Water Stops/Aid Stations, Crossing Guards, Packet pick-up, Finish Line, Traffic/Parking, and Runner Food Preparation.

Please sign up on our Volunteer Registration Page.

📜 Information

Please see "Race Day Instructions" sheet for all latest logistics. If you can't find the answers you need, please email Race Directors, Nik Ponzio and Bob Monette at: cim@gmaa.run.

🏁 Course Features

  • Certified Marathon: All miles marked.
  • Boston Qualifier: Can be used to qualify for the Boston Marathon.
  • Elevation: Start and finish at 190' elevation.
  • Max Elevation: 210' (miles 1 and 25).
  • Min Elevation: 100' (several locations).</

Course Map

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