Chester Half Marathon
Chester, United Kingdom · Tuesday 18 May 2027
One of the UK’s most popular half marathons, the Chester Half Marathon is a historic and well-supported event that attracts thousands of runners each year. Starting in the heart of Chester, the course takes participants through the countryside of Cheshire, offering a mix of urban charm and rural beauty. The course is mostly flat with a few inclines, making it ideal for runners looking for a personal best.
Difficulty Calculator
h
:m
:s
Adjusted Time
1:46:17
Time difference: +1.3 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain127m
Elevation High43m
Elevation Low11m
Weather Forecast
High22°C
Low10°C
Chance of Rain13%
How hard is Chester Half Marathon?
Moderateharder than 45% of half marathons
Flattest / easiestHardest
On our difficulty model, Chester Half Marathon plays about 3 minutes slower than an average road half marathon for a 1:30 runner. It ranks #246 hardest of 450 half marathons we analyse, and #50 of 89 in United Kingdom. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Chester Half Marathon?
Estimated finish times on this course versus the same effort on an average road half marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Chester Half Marathon | Difference |
|---|---|---|
| 1:30:00 | 1:30:36 | +00:36 |
| 1:45:00 | 1:46:17 | +01:17 |
| 2:00:00 | 2:02:01 | +02:01 |
| 2:15:00 | 2:17:48 | +02:48 |
| 2:30:00 | 2:33:37 | +03:37 |
| 2:45:00 | 2:49:30 | +04:30 |
| 3:00:00 | 3:05:25 | +05:25 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Chester Half Marathon 2027 Course Analysis
Chester Half Marathon is a half marathon held in Chester, United Kingdom. It is scheduled for Tuesday 18 May 2027. The course is run on road surface with 127m of total climbing, with its high point near 43m above sea level. For registration and full race details, visit the official Chester Half Marathon website.
Elevation Profile
With 127m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
Expected Race Day Weather
Based on historical weather data for May, the expected race day conditions are as follows. Moderate temperatures between 10°C and 22°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance on race day. There is a low chance of rain (13%), so dry conditions are likely.
Surface Type: Road
Chester Half Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Chester Half Marathon against other half marathons to find the right race for your goals.
Half marathons of similar difficulty
If Chester Half Marathon fits your goal, these courses play out about the same on our difficulty model.
Other Half Marathons in United Kingdom
Chichester Half Marathon
Chichester, United Kingdom
Road250m gainOct 2026
Tonbridge Half Marathon
Tonbridge, United Kingdom
Road123m gainOct 2026
Great Scottish Run Half Marathon
Glasgow, United Kingdom
Road112m gainOct 2026
Kielder Half Marathon
Kielder, United Kingdom
Trail252m gainOct 2026
Oxford Half Marathon
Oxford, United Kingdom
Road61m gainOct 2026
Manchester Half Marathon
Manchester, United Kingdom
Road61m gainOct 2026