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 9-16C. 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 2026-09-30 · race facts not independently verified — confirm dates and entries on the official race site
When
May
every year
Course
flat
Half marathon
Conditions
Spring, typically mild, around 9-16C.
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.
Pick your goal for Bristol
Pace charts, weekly structure and timelines for the most common half marathon goals:
We don’t hold a confirmed date for this edition, so any countdown comes from the date you enter here.
Build your training around Great Bristol Half.
RunV works backwards from race day to today and rearranges the weeks when life interrupts. 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?
- It is held each May in Bristol, UK. Check the official Great Bristol Half site for the exact date and entry windows.
- 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. That's exactly what RunV's engine does after every run you log.
Not sure what to target? Predict your half marathon time from a recent race →
More half marathon races
Build for Bristol — around your actual life
RunV engineers your block backwards from race day in May — and rebuilds it every time training doesn't go to script.
