
Cheddar, United Kingdom · Tuesday 8 June 2027
The Cheddar Gorge Marathon, held on June 8, 2025, in Somerset, UK, is a challenging event that takes runners through the stunning landscapes of the Mendip Hills and Cheddar Gorge. The course is a two-lap route, featuring significant climbs, including the infamous Hell Steps, and breathtaking views over to the Welsh Mountains. With its rugged terrain and scenic views, this marathon is a must-do for adventurous runners seeking a unique challenge.
Adjusted Time
5:32:02
Time difference: +92.0 minutes compared to a flat, road, temperate course.
On our difficulty model, Cheddar Gorge Marathon plays about 80 minutes slower than an average road marathon for a 3:30 runner. It ranks #21 hardest of 1150 marathons we analyse, and #4 of 57 in United Kingdom. Use the calculator above to see the exact adjusted time for your own goal pace.
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Cheddar Gorge Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:58:54 | +58:54 |
| 3:30:00 | 4:44:53 | +1:14:53 |
| 4:00:00 | 5:32:02 | +1:32:02 |
| 4:30:00 | 6:20:19 | +1:50:19 |
| 5:00:00 | 7:09:43 | +2:09:43 |
| 5:30:00 | 8:00:09 | +2:30:09 |
| 6:00:00 | 8:51:37 | +2:51:37 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Cheddar Gorge Marathon is a full marathon held in Cheddar, United Kingdom. It is scheduled for Tuesday 8 June 2027. The course is run on trail surface with 1222m of total climbing, with its high point near 325m above sea level. For registration and full race details, visit the official Cheddar Gorge Marathon website.
This is a very challenging course with 1222m of total climbing - well above the average trail marathon - topping out around 325m above sea level. Hill training is essential, and you should expect a slower finish time than on a flat course.
Based on historical weather data for June, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 10°C to 17°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a low chance of rain (0%), so dry conditions are likely.
Cheddar Gorge Marathon is a trail race, meaning the course includes unpaved surfaces such as dirt, gravel, or forest paths. Trail surfaces are usually slower than the road equivalent - often by 10-20% - because of uneven footing, technical sections, and frequently steeper gradients, though a smooth, non-technical or downhill trail can run faster than that suggests. Trail-specific shoes with good grip are recommended.
Looking for an easier marathon or a tougher challenge? You can also compare Cheddar Gorge Marathon against other marathons to find the right race for your goals.
If Cheddar Gorge Marathon fits your goal, these courses play out about the same on our difficulty model.
Farnham, United Kingdom
Great Langdale, United Kingdom
Inverness, United Kingdom
Inverness, United Kingdom
London, United Kingdom
Chester, United Kingdom