There are 24 upcoming marathon races in Buckinghamshire listed. Next up: Wendover Woods Marathon, Half Marathon & 10k (Sunday, 1 November 2026), Enigma Fireworks Half Marathon & Marathon — Friday (Friday, 6 November 2026), Enigma Fireworks Half Marathon & Marathon — Saturday (Saturday, 7 November 2026).
Upcoming races only, soonest first. Confirm dates and entry details with the organiser.
Wendover · Wendover Woods, Upper Icknield Way, Aston Clinton, HP22 5NQ
Wendover Woods Marathon, Half Marathon & 10k is organised by Nice Work in Wendover. Entry options: Wendover Marathon 2026; Wendover 10k 2026; Wendover Half Marathon 2026.
£30.40–£50.54
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Milton Keynes · Premier Inn, Caldecotte Lake, Bletcham Way, Milton Keynes, MK7 8HP
Half marathon and marathon on laps around Caldecotte Lake. The half marathon has a four-hour limit and the marathon seven hours. Minimum age 18.
£34.99–£39.99
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Milton Keynes · Premier Inn, Caldecotte Lake, Bletcham Way, Milton Keynes, MK7 8HP
Half marathon and marathon on laps around Caldecotte Lake. The half marathon has a four-hour limit and the marathon seven hours. Minimum age 18.
£34.99–£39.99
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Milton Keynes · MK7 8HP Lakeside Grove, Milton Keynes, United Kingdom
Mystery Marathon & Half Marathon is organised by Enigma Running in Milton Keynes. Entry options: Marathon; Half Marathon. The course surface has not been confirmed.
£34.99–£39.99
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Milton Keynes · MK7 8HP Bletcham Way, Milton Keynes, United Kingdom
Gremlins Christmas Half & Marathons is organised by Enigma Running in Milton Keynes. The published event dates run from 2026-12-04 to 2026-12-06. Entry options: Gremlins Friday Half Marathon; Gremlins Friday Marathon; Gremlins Saturday Half Marathon; Gremlins Saturday Marathon; Gremlins Sunday Half Marathon; Gremlins Sunday Marathon. The course surface has not been confirmed.
£49.99–£59.99
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Milton Keynes · MK7 8HP Bletcham Way, Milton Keynes, United Kingdom
Die Hard Christmas Jumpers Marathon & Half Marathon is organised by Enigma Running in Milton Keynes. Entry options: Die Hard (Dec 23rd '26); Die Hard Half (Dec 23rd 26). The course surface has not been confirmed.
£44.99–£54.99
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Milton Keynes · Premier Inn, Lakeside Grove, Bletcham Way, Caldecotte, Milton Keynes, MK7 8HP
Winter Enigma Marathon & Half Marathon is organised by Enigma Running in Milton Keynes. The published event dates run from 2027-01-02 to 2027-01-03. Entry options: Winter Enigma Half Marathon; Winter Enigma Marathon. The course surface has not been confirmed.
£36.99–£43.99
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Milton Keynes · Willen Lake, Lakeside Bar & Grill, Willen Lakeside Park, Milton Keynes, MK15 9HQ
Individual marathon in a seven-day series. The first three days use Willen Lake and the final four Caldecotte Lake. Each marathon has a seven-hour limit. Minimum age 18.
£39.99
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Milton Keynes · Willen Lake, Lakeside Bar & Grill, Willen Lakeside Park, Milton Keynes, MK15 9HQ
Individual marathon in a seven-day series. The first three days use Willen Lake and the final four Caldecotte Lake. Each marathon has a seven-hour limit. Minimum age 18.
£39.99
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Milton Keynes · Willen Lake, Lakeside Bar & Grill, Willen Lakeside Park, Milton Keynes, MK15 9HQ
Individual marathon in a seven-day series. The first three days use Willen Lake and the final four Caldecotte Lake. Each marathon has a seven-hour limit. Minimum age 18.
£39.99
See entry options & fees
Milton Keynes · Premier Inn, Caldecotte Lake, Bletcham Way, Milton Keynes, MK7 8HP
Individual marathon in a seven-day series. The first three days use Willen Lake and the final four Caldecotte Lake. Each marathon has a seven-hour limit. Minimum age 18.
£39.99
See entry options & fees
Milton Keynes · Premier Inn, Caldecotte Lake, Bletcham Way, Milton Keynes, MK7 8HP
Individual marathon in a seven-day series. The first three days use Willen Lake and the final four Caldecotte Lake. Each marathon has a seven-hour limit. Minimum age 18.
£39.99
See entry options & fees
Milton Keynes · Premier Inn, Caldecotte Lake, Bletcham Way, Milton Keynes, MK7 8HP
Individual marathon in a seven-day series. The first three days use Willen Lake and the final four Caldecotte Lake. Each marathon has a seven-hour limit. Minimum age 18.
£39.99
See entry options & fees
Milton Keynes · Premier Inn, Caldecotte Lake, Bletcham Way, Milton Keynes, MK7 8HP
Individual marathon in a seven-day series. The first three days use Willen Lake and the final four Caldecotte Lake. Each marathon has a seven-hour limit. Minimum age 18.
£39.99
See entry options & fees
Milton Keynes · Premier Inn, Caldecotte Lake, Bletcham Way, Milton Keynes, MK7 8HP
Lapped half marathon and marathon around Caldecotte Lake, with a 50 km option advertised. Minimum age 18. Check the organiser’s final instructions for the 50 km option.
£34.99–£39.99
See entry options & fees
Milton Keynes · Premier Inn, Caldecotte Lake, Bletcham Way, Milton Keynes, MK7 8HP
Lapped half marathon and marathon around Caldecotte Lake, with a 50 km option advertised. Minimum age 18. Check the organiser’s final instructions for the 50 km option.
£34.99–£39.99
See entry options & fees
Milton Keynes · Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United Kingdom
MK Marathon Weekend is organised by MK Marathon Weekend in Milton Keynes. The published event dates run from 2027-05-02 to 2027-05-03. Entry options: MK Rocket 5K 2027; MK Half Marathon 2027; MK Marathon 2027; MK Marathon Relay 2027. The course surface has not been confirmed.
£30.12–£66.39
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Milton Keynes · MK7 8HP Bletcham Way, Milton Keynes, United Kingdom
Star Wars 50th Anniversary Marathon & Half Marathon is organised by Enigma Running in Milton Keynes. Entry options: Star Wars Sunday Marathon; Star Wars Sunday Half Marathon. The course surface has not been confirmed.
£49.99–£59.99
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Milton Keynes · MK7 8HP Bletcham Way, Milton Keynes, United Kingdom
The Spy who loved me Marathons & Half Marathon is organised by Enigma Running in Milton Keynes. The published event dates run from 2027-07-03 to 2027-07-04. Entry options: Spy Who loved me Saturday Marathon; Spy who loved me Saturday Half Marathon; Spy who loved me Sunday Marathon; Spy who loved me Sunday half Marathon. The course surface has not been confirmed.
£36.99–£42.99
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Milton Keynes · MK7 8HP Bletcham Way, Milton Keynes, United Kingdom
Premier League Marathon & Half Marathon is organised by Enigma Running in Milton Keynes. Entry options: Premier League Run Saturday Marathon; Premier League Saturday Half Marathon. The course surface has not been confirmed.
£38.99–£42.99
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Milton Keynes · MK7 8HP Bletcham Way, Milton Keynes, United Kingdom
Premier League Marathon & Half Marathon is organised by Enigma Running in Milton Keynes. Entry options: Premier League Run Sunday Marathon; Premier League Sunday Half Marathon. The course surface has not been confirmed.
£39.99–£42.99
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Milton Keynes · MK7 8HP Bletcham Way, Milton Keynes, United Kingdom
Gameboy Marathon & Half Marathon is organised by Enigma Running in Milton Keynes. Entry options: Gameboy Saturday Marathon; Gameboy Saturday Half Marathon. The course surface has not been confirmed.
£36.99–£42.99
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Milton Keynes · MK7 8HP Bletcham Way, Milton Keynes, United Kingdom
Gameboy Marathon & Half Marathon is organised by Enigma Running in Milton Keynes. Entry options: Gameboy Sunday Marathon; Gameboy Sunday Half Marathon. The course surface has not been confirmed.
£36.99–£42.99
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Milton Keynes · MK7 8HP Bletcham Way, Milton Keynes, United Kingdom
Millennium Falcon Marathon & Half Marathon is organised by Enigma Running in Milton Keynes. The published event dates run from 2027-10-16 to 2027-10-17. Entry options: Saturday Marathon; Saturday Half Marathon; Sunday Marathon; Sunday Half Marathon. The course surface has not been confirmed.
£36.99–£43.99
See entry options & fees
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