Date
Sun, 23 May 2027
Start
08:30
Venue
Hood Memorial Hall, Devauden, Chepstow, NP16 6NX
Chepstow, Monmouthshire
Countdown
May
The long Black Rat: 160 km around Monmouthshire with over 2,000 m of climbing. A proper day out, but spread over enough distance that it rewards steady pacing.
Key facts
01Helmet required, and you must obey road laws throughout
02Feed stations at 41 km and 102 km, so carry enough for the long gaps
03No cut-off published
Create a free training plan for the Black Rat Cyclosportive 160 km
7-day free trial, no card required
The course
The route
Chepstow
Distance160km
Total climb2,192m
StartElevation
0 kmDrag map to rotate154.4 km
Weather
Late-May, Chepstow
17°CTypical high
8°CTypical low
3°CColdest in 20 years
40%Days with rain
Highs around 17°C and lows around 8°C, but it has dropped to 3°C. Rain on 40% 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 Black Rat Cyclosportive 160 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 Black Rat Cyclosportive 160 km plan targets
Typical sessions
160 km with 2,192 m of climbing
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
Sustained climbing repeats on real gradients
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 Black Rat Cyclosportive 160 km plan.
7-day free trial, no card required.
Other races at Black Rat Cyclosportive
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