Races Half marathon · Dorchester, UK
Dorchester Half Marathon
Dorchester Half Marathon is a rolling half marathon in Dorchester, UK, held each October. A road course of pavements, cycle paths and quiet roads around Dorchester from the cricket club. The organiser lists about 205 m of climbing over the half, spread across gentle rises. Early October in Dorset is mild and changeable, around 8 to 16°C, with a chance of rain. With Dorchester Half Marathon's constant undulation, pace by effort rather than the watch: even effort beats even splits here.
Page rebuilt 2026-11-14 · race facts not independently verified — confirm dates and entries on the official race site
When
October
next: Sunday 3 October 2027
Course
rolling
Half marathon
Conditions
Early October in Dorset is mild and changeable, around 8 to 16°C, with a chance of rain.
Racing this course well
A road course of pavements, cycle paths and quiet roads around Dorchester from the cricket club. The organiser lists about 205 m of climbing over the half, spread across gentle rises.
With Dorchester Half Marathon's constant undulation, pace by effort rather than the watch: even effort beats even splits here.
Getting a place
- How you get in
- Open entry: first come, first served
- Price
- From £30
Official Dorchester Half Marathon site →Checked November 2026
Race day
- Next race
- Sunday 3 October 2027
- Start time
- 09:15
- Time limit
- No formal cut-off; all runners must be back by 14:00
- Also on the day
- 10k
The course in numbers
- Layout
- Loop
- Surface
- Mainly pavements and cycle paths with quiet urban sections
- Total climb
- 205 m
Pick your goal for Dorchester
Pace charts, weekly structure and timelines for the most common half marathon goals:
The date shown is the one the organiser has announced. Change it if yours differs.
Build your training around Dorchester Half Marathon.
RunV works backwards from race day to today. Your plan adapts when life interrupts, and you approve every change. It does not adapt to this specific course — the pacing guidance above is where the course knowledge is.
Everything above stays free and complete — this is an optional next step, not a paywall.
Asked often
- When is the Dorchester Half Marathon?
- The next Dorchester Half Marathon is on Sunday 3 October 2027 in Dorchester, UK. It is held each October.
- Is the Dorchester Half Marathon course flat?
- A road course of pavements, cycle paths and quiet roads around Dorchester from the cricket club. The organiser lists about 205 m of climbing over the half, spread across gentle rises.
- How do I enter the Dorchester Half Marathon?
- Open entry: first come, first served. Price: From £30.
- How should I train for the Dorchester Half Marathon?
- Train specifically for Dorchester — terrain, conditions, goal pace — and let the plan flex around real life. With RunV Premium you can adapt your plan to fit your week.
Not sure what to target? Predict your half marathon time from a recent race →
More half marathon races
Supplements research for this distance
Build for Dorchester — around your actual life
RunV engineers your block backwards from race day in October — and adapts it when training doesn't go to script. You approve every change.

