Dorchester Half Marathon & 10km takes place on Sun, Oct 4, 2026 in Dorchester, United Kingdom. The main route is 21.1 km.
- Date
- Sun, Oct 4, 2026
- Start
- Dorchester 🇬🇧
- Distance
- 21.1 km
- Level
- Open to all
Starting and finishing at Dorchester Cricket Club, the route is mainly on pavements and cycle paths, giving runners an enjoyable way to experience the town and surrounding area in a friendly event atmosphere.
Official event pageWhat this race demands
The Dorchester Half Marathon requires sustained aerobic endurance over a paved 21.1-kilometer road route.
Aerobic Capacity
Covering 21.1 kilometers primarily on pavements and cycle paths requires a strong, sustained cardiovascular output and efficient pacing.
Pavement Durability
Running entirely on hard surfaces like pavements demands muscular resilience in the lower limbs to withstand continuous impact.
For a half marathon expected to take between 1.5 and 3 hours, aim for 30 to 60 grams of carbohydrates per hour starting early in the race.
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
1:45–2:10
Peak-week training
5–7 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 Dorchester Half Marathon & 10km is 6 weeks away. This is how a coach divides that time. The first phase starts now.
01Peak3 weeks · Aug 24, 2026 – Sep 13, 2026
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
02Taper2 weeks · Sep 14, 2026 – Sep 27, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
03Race week1 week · Sep 28, 2026 – Oct 4, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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