Races Half marathon · Keswick, UK
Keswick Half Marathon
Keswick Half Marathon is a hilly half marathon in Keswick, UK, held each September. A road loop around Derwentwater with an extra loop into the Newlands Valley first. The organiser's promotion describes challenging hills and quotes more than 360 m of climbing. Mild but changeable in the Lake District in September, typically 8 to 16°C with a fair chance of rain. Keswick's hills change the plan itself: expect hill repetitions and long runs that rehearse the course's shape.
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
Mild but changeable in the Lake District in September, typically 8 to 16°C with a fair chance of rain.
Racing this course well
A road loop around Derwentwater with an extra loop into the Newlands Valley first. The organiser's promotion describes challenging hills and quotes more than 360 m of climbing.
Keswick's hills change the plan itself: expect hill repetitions and long runs that rehearse the course's shape.
Getting a place
- How you get in
- Open entry: first come, first served
- Price
- £38 plus a booking fee, with a discount for affiliated runners
Official Keswick Half Marathon site →Checked November 2026
Race day
- Next race
- Sunday 19 September 2027
- Start time
- 11:00
The course in numbers
The Newlands Valley loop comes before the lap of Derwentwater and brings the main climbs.
- Layout
- Loop
- Surface
- Road
- Total climb
- 360 m
Worth knowing
- The race is run by volunteers from Keswick Rugby Club to fund its grassroots rugby.
- Chip timing was introduced in 2026.
Pick your goal for Keswick
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 Keswick 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 Keswick Half Marathon?
- The next Keswick Half Marathon is on Sunday 19 September 2027 in Keswick, UK. It is held each September.
- Is the Keswick Half Marathon course flat?
- A road loop around Derwentwater with an extra loop into the Newlands Valley first. The organiser's promotion describes challenging hills and quotes more than 360 m of climbing.
- How do I enter the Keswick Half Marathon?
- Open entry: first come, first served. Price: £38 plus a booking fee, with a discount for affiliated runners.
- How should I train for the Keswick Half Marathon?
- Train specifically for Keswick — 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 Keswick — 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.

