Races Half marathon · Bristol, UK
Great Bristol Half
Great Bristol Half is a flat half marathon in Bristol, UK, held each May. A flat route from the Harbourside, out and back along the Portway through the Avon Gorge and twice under the Clifton Suspension Bridge, finishing on Anchor Road. Spring, typically mild, around 9 to 16°C. On a course as flat as Great Bristol Half, even splits are everything; the classic mistake is banking time in the first third.
Page rebuilt 2026-11-14 · race facts not independently verified — confirm dates and entries on the official race site
When
May
next: Sunday 9 May 2027
Course
flat
Half marathon
Conditions
Spring, typically mild, around 9 to 16°C.
Racing this course well
A flat route from the Harbourside, out and back along the Portway through the Avon Gorge and twice under the Clifton Suspension Bridge, finishing on Anchor Road.
On a course as flat as Great Bristol Half, even splits are everything; the classic mistake is banking time in the first third.
Getting a place
Official Great Bristol Half site →Checked November 2026
Race day
- Next race
- Sunday 9 May 2027
- Also on the day
- 10k
The course in numbers
Start and finish are on Anchor Road in the city centre.
- Surface
- Closed city roads
- Total climb
- 65 m
Pick your goal for Bristol
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 Great Bristol Half.
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 Great Bristol Half?
- The next Great Bristol Half is on Sunday 9 May 2027 in Bristol, UK. It is held each May.
- Is the Great Bristol Half course flat?
- A flat route from the Harbourside, out and back along the Portway through the Avon Gorge and twice under the Clifton Suspension Bridge, finishing on Anchor Road.
- How should I train for the Great Bristol Half?
- Train specifically for Bristol — 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 Bristol — around your actual life
RunV engineers your block backwards from race day in May — and adapts it when training doesn't go to script. You approve every change.

