Races Half marathon · Winchester, UK
Winchester Half Marathon
Winchester Half Marathon is a hilly half marathon in Winchester, UK, held each September. Starts outside the Guildhall and runs through the Hampshire hills, past St Catherine's Hill and the Cathedral. The toughest climbs come early, with a long downhill over the last four miles. Late September in Hampshire is mild, typically 9 to 18°C, with some chance of rain. Respect Winchester Half Marathon's profile: pace the climbs conservatively and practise downhill running — quads fail before lungs here.
Page rebuilt 2026-11-14 · race facts not independently verified — confirm dates and entries on the official race site
When
September
next: Sunday 19 September 2027
Course
hilly
Half marathon
Conditions
Late September in Hampshire is mild, typically 9 to 18°C, with some chance of rain.
Racing this course well
Starts outside the Guildhall and runs through the Hampshire hills, past St Catherine's Hill and the Cathedral. The toughest climbs come early, with a long downhill over the last four miles.
Respect Winchester Half Marathon's profile: pace the climbs conservatively and practise downhill running — quads fail before lungs here.
Getting a place
- How you get in
- Open entry: first come, first served
Official Winchester Half Marathon site →Checked November 2026
Race day
- Next race
- Sunday 19 September 2027
- Start time
- 09:00
The course in numbers
The hardest climbs come soon after the start. A climb to Olivers Battery just past halfway leads into a mostly downhill final four miles.
- Layout
- Loop
Worth knowing
- A 1 km kids fun run is held at 12:30 on the same day.
- The event bills itself as Hampshire's historic hilly running event.
Getting there
- Rail station
- Winchester station
Pick your goal for Winchester
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 Winchester 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 Winchester Half Marathon?
- The next Winchester Half Marathon is on Sunday 19 September 2027 in Winchester, UK. It is held each September.
- Is the Winchester Half Marathon course flat?
- Starts outside the Guildhall and runs through the Hampshire hills, past St Catherine's Hill and the Cathedral. The toughest climbs come early, with a long downhill over the last four miles.
- How do I enter the Winchester Half Marathon?
- Open entry: first come, first served.
- How should I train for the Winchester Half Marathon?
- Build for the course you'll actually race at the Winchester Half Marathon: hilly terrain, September conditions. RunV Premium builds a training plan around your goal time and race date, and lets you adapt it when life interrupts the Winchester build.
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 Winchester — around your actual life
RunV engineers your block backwards from race day in September — and adapts it when training doesn't go to script. You approve every change.
