The Course

We are excited to offer two race distances (see Athletes FAQ for the explanation why!):

Short Sprint Course Long Sprint Course

1/4-mile swim 1/2-mile swim
8.3 mile bike — one lap 16.6 mile bike- two laps
2 mile run 4 mile run

The Bike

You’re going to love this bike course! It’s fast, scenic, and incredibly fun to ride — the kind of course that makes you want to keep pushing all the way back to transition.

Two loops if your opting for the longer course, one loop for the short course.

Map of bike around Mascoma Lake in Enfield, New Hampshire. The is marked with a red line, showing the route around the lake with mile markers numbered 1 through 8. The map notes scenic features, traffic safety instructions, and a connected elevation profile at the bottom. The trail starts near the top at Enfield and loops around the lake with various road names and points of interest, including Route 4A and Main Street.

The Swim

Lake Mascoma provides a spectacular setting for the swim! With its expansive shoreline, deep, clear water, and beautiful New Hampshire surroundings, it’s an ideal venue for a triathlon.

Athletes will begin in the water with a time-trial start, creating a smooth, comfortable flow onto the course and plenty of open water to find your rhythm.

Map of Mascoma Lake showing swim course with red and yellow buoys indicating a long sprint and short sprint routes. The map includes nearby roads and a logo for Mascoma Lake Triathlon.

The Run

As if it couldn’t get any better, wait until you hit the run course! Following a scenic former railroad trail, this fast, flat gravel course is easy on the legs and made for running fast. It’s the perfect way to finish your race!

Map of the Mascoma Lake in Enfield, New Hampshire, showing a triathlon run course. The course is a scenic trail along the lake's shores, starting at Mascoma Lakeside Park and consisting of a 2-mile out-and-back short sprint (turn at Mile 1) and a 4-mile out-and-back long sprint (turn at Mile 2). The map includes roads like Ruddy Road and Route 4, with the course marked in red and the start/finish point indicated by a green circle.