DateExpected
Mid September 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Horseneck Beach State Reservation, Westport, Massachusetts
Westport, Bristol County
Countdown
September
A step up from the middle distance, at 126 km. It is the long ride for those who want a big day without committing to the full hundred miles.
Key facts
01Members only, and guests must join the club before registering
02Register in advance, there is no same-day sign-up
03Rolling start from 07:00, be back by 17:00
Create a free training plan for the The Flattest Century in the East 126 km
7-day free trial, no card required
The course
The route
Westport
Distance126km
StartElevation
0 kmDrag map to rotate123.4 km
Weather
Mid-September, Westport
23°CTypical high
16°CTypical low
8°CColdest in 20 years
31%Days with rain
Highs around 23°C and lows around 16°C, but it has dropped to 8°C. Rain on 31% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
Training
Training for the The Flattest Century in the East 126 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a The Flattest Century in the East 126 km plan targets
Typical sessions
126 km
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Group rides for drafting and bunch-riding skills
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your The Flattest Century in the East 126 km plan.
7-day free trial, no card required.
Other races at The Flattest Century in the East
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