Boston Marathon (UK)
Boston, United Kingdom · Tuesday 13 April 2027
Boston Marathon (UK) is a unique event that returns after a 25-year hiatus, held on the day before the famous Boston Marathon in the U.S. The race features a limited number of places, with 300 spots available for the marathon and half marathon combined, and 30 relay teams. This intimate setting allows for a personalized experience, making it a special opportunity for runners seeking a memorable event.
Difficulty Calculator
h
:m
:s
Adjusted Time
3:53:10
Time difference: -6.8 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain59m
Elevation High5m
Elevation Low1m
Weather Forecast
High15°C
Low9°C
Chance of Rain33%
How hard is Boston Marathon (UK)?
Easyharder than 11% of marathons
Flattest / easiestHardest
On our difficulty model, Boston Marathon (UK) plays about 1 minute faster than an average road marathon for a 3:30 runner. It ranks #1019 hardest of 1150 marathons we analyse, and #56 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 Boston Marathon (UK)?
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 Boston Marathon (UK) | Difference |
|---|---|---|
| 3:00:00 | 2:54:13 | −05:47 |
| 3:30:00 | 3:23:43 | −06:17 |
| 4:00:00 | 3:53:10 | −06:50 |
| 4:30:00 | 4:22:33 | −07:27 |
| 5:00:00 | 4:51:53 | −08:07 |
| 5:30:00 | 5:21:09 | −08:51 |
| 6:00:00 | 5:50:22 | −09:38 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Boston Marathon (UK) 2027 Course Analysis
Boston Marathon (UK) is a full marathon held in Boston, United Kingdom. It is scheduled for Tuesday 13 April 2027. The course is run on road surface with 59m of total climbing, with its high point near 5m above sea level. For registration and full race details, visit the official Boston Marathon (UK) website.
Elevation Profile
This is a very flat course, with only 59m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.
Expected Race Day Weather
Based on historical weather data for April, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 9°C to 15°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 (33%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Surface Type: Road
Boston Marathon (UK) 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 Boston Marathon (UK) against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Boston Marathon (UK) fits your goal, these courses play out about the same on our difficulty model.
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