
Cheltenham, United Kingdom · Sunday 21 September 2025
The Cheltenham Half Marathon takes place in the charming spa town of Cheltenham, set amidst the scenic beauty of the Cotswolds. The course begins in the town center, passing through the picturesque Montpellier Gardens and the promenade, before venturing into the countryside. Runners are treated to sweeping views of the Cotswold hills, quaint villages, and forests, providing a peaceful and scenic backdrop. The course is mostly flat, with just a few gentle inclines, making it a great race for part
Adjusted Time
1:41:38
Time difference: -3.4 minutes compared to a flat, road, temperate course.
Cheltenham Half Marathon is a half marathon held in Cheltenham, United Kingdom, scheduled for Sunday 21 September 2025. The course is run on road surface with 101m of total elevation gain, reaching a maximum altitude of 79m above sea level. For registration and full race details, visit the official Cheltenham Half Marathon website.
With 101m of elevation gain, this is a moderately undulating course. The route ranges from 55m to 79m above sea level (24m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Based on historical weather data for September, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 8°C to 14°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 (10%), so dry conditions are likely.
Cheltenham Half Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Cheltenham Half Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Cheltenham Half Marathon against other half marathons to find the right race for your goals.
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