Hell of the Ashdown (date to confirm) takes place on Sun, Feb 28, 2027 in Westerham, United Kingdom. The main route is 100 km.
- Date
- Sun, Feb 28, 2027
- Start
- Westerham 🇬🇧
- Distance
- 100 km
- Level
- Open to all
Your 21-week plan to Hell of the Ashdown (date to confirm)
The Base phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
Build my planFree to start · No credit card
The Hell of the Ashdown is an iconic sportive regarded as one of the UK’s toughest, most demanding cycling events.
What would it take you?
Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.
Estimated finish
3:00–3:35
Peak-week training
6–8 h/week
A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.
IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal
Your road to race day
Race day at Hell of the Ashdown (date to confirm) is 21 weeks away. This is how a coach divides that time. The first phase starts now.
01Base9 weeks · Oct 5, 2026 – Dec 6, 2026
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Dec 7, 2026 – Jan 17, 2027
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Jan 18, 2027 – Feb 7, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Feb 8, 2027 – Feb 21, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Feb 22, 2027 – Feb 28, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Hell of the Ashdown (date to confirm)?
Hell of the Ashdown (date to confirm) takes place on Sun, Feb 28, 2027 in Westerham, United Kingdom.
How long is Hell of the Ashdown (date to confirm)?
The main route is 100 km.
Who is Hell of the Ashdown (date to confirm) for?
Hell of the Ashdown (date to confirm) is open to all participants.
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