Races Half marathon · Henley-on-Thames, UK
Henley Half Marathon
Henley Half Marathon is a rolling half marathon in Henley-on-Thames, UK, held each October. A single loop from Henley Rugby Club over Henley Bridge, out into the countryside and back along the Thames towpath. A mile-long climb on the second half is followed by a fast, flat run to the finish. Mid October is usually mild and often damp, with temperatures of about 7 to 16°C. Henley-on-Thames's rolling course rewards effort-based pacing — hold steady effort on the rises and let the pace return on the descents.
Page rebuilt 2026-11-14 · race facts not independently verified — confirm dates and entries on the official race site
When
October
every year
Course
rolling
Half marathon
Conditions
Mid October is usually mild and often damp, with temperatures of about 7 to 16°C.
Racing this course well
A single loop from Henley Rugby Club over Henley Bridge, out into the countryside and back along the Thames towpath. A mile-long climb on the second half is followed by a fast, flat run to the finish.
Henley-on-Thames's rolling course rewards effort-based pacing — hold steady effort on the rises and let the pace return on the descents.
Getting a place
- How you get in
- Open entry: first come, first served
- Price
- £40 (2026 race)
Official Henley Half Marathon site →Checked November 2026
Race day
- Start time
- 09:30
- Also on the day
- 10k, 5k
The course in numbers
The long climb known locally as Heartbreak Hill comes after the second pass through the town centre. The descent after it leads into a flat finish.
- Layout
- Loop
Worth knowing
- First run in 1983.
- The Thames towpath section runs alongside the river on the way back into town.
- All finishers receive a medal, and the first woman and man at each distance receive trophies.
Pick your goal for Henley-on-Thames
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 Henley 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 Henley Half Marathon?
- It is held each October in Henley-on-Thames, UK. Check the official Henley Half Marathon site for the exact date and entry windows.
- Is the Henley Half Marathon course flat?
- A single loop from Henley Rugby Club over Henley Bridge, out into the countryside and back along the Thames towpath. A mile-long climb on the second half is followed by a fast, flat run to the finish.
- How do I enter the Henley Half Marathon?
- Open entry: first come, first served. Price: £40 (2026 race).
- How should I train for the Henley Half Marathon?
- Match your preparation to Henley Half Marathon's profile and the October weather, then protect consistency — with RunV Premium you can adapt your plan to fit your week, so one bad week never derails the block.
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 Henley-on-Thames — 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.
