
Chester, United Kingdom · Monday 5 October 2026
MBNA Chester Marathon, held on October 5, 2025, in Chester, UK, is a multi-award-winning event known for its vibrant atmosphere and scenic course. The race starts and finishes in the historic city center, passing iconic landmarks and extending into the picturesque Cheshire and North Wales countryside. The route then returns along the banks of the River Dee, offering a stunning finish.
Adjusted Time
3:53:45
Time difference: -6.3 minutes compared to a flat, road, temperate course.
On our difficulty model, Chester Marathon plays about even with a flat, cool road marathon for a 3:30 runner. It ranks #1071 hardest of 1245 marathons we analyse, and #54 of 58 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 a flat, cool, road marathon, based on its elevation, surface, and expected race-day temperature.
| Flat-course time | On Chester Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:54:26 | −05:34 |
| 3:30:00 | 3:24:06 | −05:54 |
| 4:00:00 | 3:53:45 | −06:15 |
| 4:30:00 | 4:23:22 | −06:38 |
| 5:00:00 | 4:52:57 | −07:03 |
| 5:30:00 | 5:22:32 | −07:28 |
| 6:00:00 | 5:52:04 | −07:56 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Chester Marathon is a full marathon held in Chester, United Kingdom. It is scheduled for Monday 5 October 2026. The course is run on road surface with 76m of total elevation gain, reaching a maximum altitude of 31m above sea level. For registration and full race details, visit the official Chester Marathon website.
This is a very flat course with only 76m of total elevation gain across the full distance. The course ranges from 8m to 31m above sea level - a 23m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Based on historical weather data for October, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 12°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 moderate chance of rain (22%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Chester 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.
Looking for an easier marathon or a tougher challenge? You can also compare Chester Marathon against other marathons to find the right race for your goals.
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