Hereward the Wake 300 (Night Audax) takes place on Fri, Sep 4, 2026 in Dunmow, United Kingdom. The main route is 301 km.
- Date
- Fri, Sep 4, 2026
- Start
- Dunmow 🇬🇧
- Distance
- 301 km
- Climbing
- 1,107 m
- Level
- Open to all
Hereward the Wake 300 is a 301km long-distance cycling event starting from Dunmow on a Friday evening with night-time navigation.
What this race demands
Hereward the Wake 300 demands sustained endurance over a 301 km distance through a full night of riding, testing both physical stamina and night-time navigation.
Ultra Endurance
Covering 301 km requires exceptional aerobic capacity and musculoskeletal durability to maintain forward progress over an extended duration.
Night Navigation
Starting on a Friday evening with night-time riding demands effective lighting management and mental focus to navigate fatigue during overnight hours.
Pacing Discipline
The modest elevation gain of 1107 m over 301 km means the challenge is entirely about steady, continuous effort rather than steep climbing.
A sustained effort of this duration requires consistent fueling, targeting 60 to 90 grams of carbohydrates per hour to maintain energy balance.
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
10:15–12:20
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
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Organising this race?