The Great River Challenge, Off-road Triathlon 2026 — Northfield, MA
Date
October 3, 2026
Location
Northfield, MA
Venue
Northfield Mountain Recreation Center, 99 Millers Falls Rd., Northfield, MA
Start Time
10:00 AM
Entry Fee
$49.50 – $220.00
Events
Solo Triathlon Male Long Course, Solo Triathlon Female Long Course, 2 Person Relay Team Triathlon Long Course, 2 Person Junior (20 & under) Triathlon Long Course, 3 Person Relay Team Triathlon Long Course, 4 Person Relay Team Triathlon Long Course
RACE DESCRIPTION Location: Northfield Mountain Recreation Center, 99 Millers Falls Rd., Northfield, MA 01360 The Great River Challenge is a triathlon event in the non-traditional category, being a paddle, run and bike event. We have safety on land and water as well as water stations throughout the course, making sure your experience is fun, challenging and safe! The timing is run by Fast Track Timing, who use timing chips to ensure accurate segment and transition times, so you can have record of every stage of the race. Long Course A canoe/kayak/SUP, trail run and mountain bike triathlon, the Great River Challenge will offer a hilly off-road course on fun trails at the Northfield Mountain Environmental and Recreation Center. The paddle leg will be a mass start on the Connecticut river, paddling out and back and around Captain Kidd's Island over 5.5 miles. The Running leg is a challenging 4 miles of single track trails and in the woods followed by a 7.5 mile mountain bike on single trac
Hotels Near This Race
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The Great River Challenge, Off-road Triathlon 2026 — Northfield, MA
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Race Travel Insurance
Don't forget travel insurance for October 3.
You've trained for months and booked a trip to Northfield, MA.
A pre-race injury, a delayed flight, or a family emergency can derail the whole thing.
Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it,
and may cover medical costs if something goes wrong on the course. Plans typically only run
5-7% of your total trip cost — and running events are covered under standard plans with no
additional coverage needed.
Trip cancellation up to 100% of prepaid costs
Running events covered under standard plans — no add-ons needed
Trip interruption up to 150% of non-refundable costs
