Boston Marathon (UK)
Boston Marathon (UK) race day weather
Cool morning, gradual warming
Runners will face a temperature range starting at 45°F and warming to 53°F. With a light WNW wind averaging 11 mph, the early miles will benefit from a tailwind, but runners should prepare for headwinds in the final stretch. Given the humidity at 69%, pacing adjustments may be necessary to maintain comfort as temperatures rise. A throwaway layer may be advisable during the pre-race wait due to the cool feels-like temperature.
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Boston Marathon (UK) route and elevation
The Boston Marathon (UK) course has about 25 ft (8 m) of climbing and 33 ft (10 m) of descent, and finishes near the elevation it starts. It is flatter than 87% of the marathon courses racecast.io has mapped, measured by what the hills cost in time. It has no steep miles: no mile climbs more than 15 ft (5 m).
What the hills cost
The hills change finish times by less than 0.2% here, under half a minute for a 4:00 runner.
Hills only, priced mile by mile on the course map. The pace calculator above adds the race-day weather.
Even-effort splits for a 3:30, 4:00 or 4:30 finish
| Mile | Climb | Descent | 3:30 | 4:00 | 4:30 |
|---|---|---|---|---|---|
| 1 | 4 ft | 17 ft | 7:56 | 9:05 | 10:13 |
| 2 | 9 ft | 9 ft | 8:01 | 9:09 | 10:17 |
| 3 | 4 ft | 9 ft | 7:59 | 9:07 | 10:17 |
| 4 | 7 ft | 4 ft | 8:02 | 9:11 | 10:19 |
| 5 | 5 ft | 8 ft | 8:00 | 9:08 | 10:17 |
| 6 | 6 ft | 5 ft | 8:01 | 9:10 | 10:19 |
| 7 | 7 ft | 8 ft | 8:00 | 9:09 | 10:17 |
| 8 | 9 ft | 10 ft | 8:00 | 9:09 | 10:17 |
| 9 | 5 ft | 5 ft | 8:01 | 9:09 | 10:18 |
| 10 | 5 ft | 4 ft | 8:01 | 9:10 | 10:19 |
| 11 | 5 ft | 5 ft | 8:00 | 9:09 | 10:17 |
| 12 | 5 ft | 6 ft | 8:00 | 9:08 | 10:17 |
| 13 | 11 ft | 9 ft | 8:02 | 9:10 | 10:19 |
| 14 | 7 ft | 7 ft | 8:00 | 9:09 | 10:18 |
| 15 | 8 ft | 7 ft | 8:00 | 9:09 | 10:17 |
| 16 | 3 ft | 5 ft | 8:00 | 9:08 | 10:17 |
| 17 | 4 ft | 5 ft | 8:00 | 9:09 | 10:17 |
| 18 | 7 ft | 6 ft | 8:01 | 9:10 | 10:19 |
| 19 | 5 ft | 3 ft | 8:01 | 9:10 | 10:19 |
| 20 | 4 ft | 5 ft | 8:00 | 9:09 | 10:17 |
| 21 | 6 ft | 5 ft | 8:01 | 9:09 | 10:18 |
| 22 | 3 ft | 5 ft | 8:00 | 9:09 | 10:17 |
| 23 | 6 ft | 4 ft | 8:01 | 9:10 | 10:19 |
| 24 | 14 ft | 7 ft | 8:04 | 9:13 | 10:22 |
| 25 | 9 ft | 12 ft | 8:00 | 9:08 | 10:17 |
| 26 | 9 ft | 7 ft | 8:01 | 9:10 | 10:19 |
| Last 0.2 | 1 ft | 0 ft | 1:48 | 2:03 | 2:18 |
Explore the Boston Marathon (UK) course with the weather and your pace along the route, or compare it with other races.
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About the Boston Marathon (UK)
The Boston Marathon (UK) is an annual marathon held each April in Boston, Lincolnshire, England. The flat, certified course starts at Boston Market Place and finishes at Boston College, running through the town and out into the surrounding Lincolnshire countryside. It is a Boston Marathon qualifier, and race day also includes half marathon, 10K, and 5K races. The 2025 edition drew more than 2,100 marathon and half marathon finishers.
Race weekend
Boston Marathon (UK) FAQ
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