www.bostonmarathon.co.uk

Boston Marathon (UK)

Name: Boston Marathon (UK)
Start: 2026-04-12
End: 2026-04-12
Location: Boston, Lincolnshire

Boston, Lincolnshire, East of England, United Kingdom

calendar_today 12 Apr, 2026

directions_run Running

language Official Website

About the Event

Chase your personal best on the official flattest marathon course in the UK. The Boston (UK) Running Festival Marathon, held on Sunday, 12 April 2026, is a certified and accurately measured race designed specifically for speed and qualifying times. Starting at 8:00 AM in the historic Lincolnshire market town of Boston, this single-lap, point-to-point route offers a true PB-friendly experience with minimal elevation gain, supported by 13 well-placed water stations. With generous cash prizes, age-category awards, and a highly inclusive atmosphere that welcomes athletes with disabilities, the event combines serious competition with strong community spirit. For runners seeking an accredited time for other major marathons or simply aiming to break their own record, this is the definitive flat and fast spring marathon in Britain.

Races Offered

10K

Apr 12, 2026

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Distance — 10K

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Type — Running

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-163 days remaining

Fun Run

Apr 12, 2026

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Distance — 5.2K

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Type — Running

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-163 days remaining

Half Marathon

Apr 12, 2026

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Distance — 21.1K

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Type — Running

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-163 days remaining

Marathon

Apr 12, 2026

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Distance — 42.2K

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Type — Running

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-163 days remaining

Weather History

These values represent the 3-year monthly averages for April in Boston, Lincolnshire.

thermostat Temperature

5.8° / 13.3°

wb_sunny Feels like

1.6° / 8.7°

light_mode Avg sunshine hours

9h 33m

water_drop Avg rainfall

1.9 mm

ac_unit Avg snowfall

—

air Avg wind speed

16.6 km/h (Gentle breeze)

opacity Sweat loss rate

Low

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (3.5)

humidity_mid Humidity

75.2%

wb_twilight Sunrise

05:59

nightlight Sunset

19:59

About Boston, Lincolnshire

Learn more about the host city, Boston, Lincolnshire.

Boston is a market town and inland port in the borough of the same name in the county of Lincolnshire, England. It lies to the south-east of Lincoln, east of Nottingham and north-east of Peterborough. The town had a population of 45,339 at the 2021 census, while the borough had an estimated population of 66,900 at the ONS mid-2015 estimates. The Haven in Boston flows about 5 miles away to the Lincolnshire coast at The Wash, a bay between Lincolnshire and Norfolk.