Experience the thrill of the 23rd Annual Serpent's Back Mountain Bike Duathlon on October 11, 2026. This challenging race combines running and cycling through the rugged terrain of Montauk, New York, offering participants a unique blend of endurance and skill. The event kicks off at 9:30 AM with an energized start line in Montauk, where athletes will face their first challenge: a grueling 1.6-mile run along scenic coastal paths that wind through the heart of this seaside town. The route is lined with cheering spectators, setting the tone for what promises to be an exhilarating day. After completing the initial run leg, participants transition to their bikes and embark on an 11.5-mile mountain biking course that winds up and down the challenging hills of Serpent's Back Mountain. This section tests cyclists' stamina as they navigate steep ascents and technical descents through dense forest trails and open meadows. The race concludes with a final 1.6-mile run back to the finish line, allowing athletes to push their limits one last time before crossing into victory. The course is designed to showcase Montauk's natural beauty while providing an intense test of physical and mental fortitude for all competitors. All registrants will receive a Classic Hoodie Sweatshirt upon completion of the event, commemorating this memorable day in Montauk. This race offers more than just competition; it’s a celebration of athleticism and community spirit. Join us on October 11, 2026, for an unforgettable adventure at the Serpent's Back Mountain Bike Duathlon!
Races Offered
Bike Only
Oct 11, 2026
straighten
Distance —
Bike Only
terrain
Type —
Multisports
timer
8 days remaining
sell
$ 55.00
Duo
Oct 11, 2026
straighten
Distance —
Duo
terrain
Type —
Multisports
timer
8 days remaining
sell
$ 105.00
Individual
Oct 11, 2026
straighten
Distance —
Individual
terrain
Type —
Multisports
timer
8 days remaining
sell
$ 55.00
Virtual MM/DD - MM/DD
Oct 11, 2026
straighten
Distance —
Virtual MM/DD - MM/DD
terrain
Type —
Multisports
timer
8 days remaining
sell
$ 25.00
Weather History
These values represent the 3-year monthly averages for October in Montauk.
thermostatTemperature
13.8° / 16.8°
wb_sunnyFeels like
8.0° / 13.3°
light_mode
Avg sunshine hours
9h 2m
water_drop
Avg rainfall
2.1 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
25.7 km/h (Moderate breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (4.0)
humidity_mid
Humidity
73.6%
wb_twilight
Sunrise
07:00
nightlight
Sunset
18:05
About Montauk
Learn more about the host city, Montauk.
Montauk is a hamlet and census-designated place (CDP) in East Hampton and Suffolk County, New York, on the eastern end of the South Shore of Long Island in the United States. As of the 2020 United States census, the CDP's population was 4,318.
