Bath Marathon
Bath, United Kingdom · Monday 17 May 2027
Bath Marathon, also known as the Two Tunnels Bath Marathon, is a unique event held in Bath, UK. The race features a full marathon, half marathon, 10K, 5K, and Colourburst events, making it a great sporting day out for the whole family. The course includes over 4 km of underground running through newly restored railway tunnels, offering a truly unique experience. Runners also pass through beautiful city parks, historic landmarks like Bath Abbey, and the stunning Avon Valley countryside.
Difficulty Calculator
h
:m
:s
Adjusted Time
4:02:30
Time difference: +2.5 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain252m
Elevation High31m
Elevation Low14m
Weather Forecast
High14°C
Low8°C
Chance of Rain46%
How hard is Bath Marathon?
Moderateharder than 51% of marathons
Flattest / easiestHardest
On our difficulty model, Bath Marathon plays about 6 minutes slower than an average road marathon for a 3:30 runner. It ranks #567 hardest of 1150 marathons we analyse, and #31 of 57 in United Kingdom. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Bath Marathon?
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 Bath Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:59:07 | −00:53 |
| 3:30:00 | 3:30:43 | +00:43 |
| 4:00:00 | 4:02:30 | +02:30 |
| 4:30:00 | 4:34:28 | +04:28 |
| 5:00:00 | 5:06:34 | +06:34 |
| 5:30:00 | 5:38:50 | +08:50 |
| 6:00:00 | 6:11:14 | +11:14 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Bath Marathon 2027 Course Analysis
Bath Marathon is a full marathon held in Bath, United Kingdom. It is scheduled for Monday 17 May 2027. The course is run on road surface with 252m of total climbing, with its high point near 31m above sea level. For registration and full race details, visit the official Bath Marathon website.
Elevation Profile
With 252m 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. 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 moderate chance of rain (46%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Surface Type: Road
Bath 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 Bath Marathon against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Bath Marathon fits your goal, these courses play out about the same on our difficulty model.
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