There are 8 upcoming marathon races in Greater London listed. Next up: Battersea Park Running Festival Presented by Science in Sport (Saturday, 24 October 2026), The IKEA Marathon (Sunday, 13 December 2026), Phoenix Crystal Palace - Alice in Runderland (Sunday, 27 December 2026).
Upcoming races only, soonest first. Confirm dates and entry details with the organiser.
London · Carriage Dr E, London SW11 4NJ
A lap-based race in Battersea Park. The organiser marks the route and provides chip timing.
£42–£47.25
See entry options & fees
Croydon · Ikea, Croydon
Running / Walking organised by Sussex Trail Events in Croydon. Minimum age: 18 or older. Online entry deadline: Sunday 6th December 2026. Published meeting-location reference: ///care.aura.caves.
£80–£82
See entry options & fees
London · 81 Thicket Road, London, SE20 8DS, United Kingdom
Phoenix Crystal Palace - Alice in Runderland is organised by Phoenix Running Crystal Palace in London. Entry options: Timed Event Including 5km, 10km, Half Marathon, Marathon, Ultra Marathon; No Medal - Timed Events Including 5km, 10km, Half Marathon, Marathon, Ultra Marathon.
£22–£39.95
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London · SE10 8QY Charlton Way, London, United Kingdom
The Magic of the London Marathon Running Tour is organised by Secret London Runs in London. The published event dates run from 2027-01-31 to 2027-02-07. Entry options: The Magic of the London Marathon - (Sub 5.30 training pace); The Magic of the London Marathon "Just get round it". The course surface has not been confirmed.
£28
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London · 81 Thicket Road, London, SE20 8DS, United Kingdom
Phoenix Crystal Palace - Strictly Running is organised by Phoenix Running Crystal Palace in London. Entry options: Timed Event Including 5km, 10km, Half Marathon, Marathon, Ultra Marathon; No Medal - Timed Events Including 5km, 10km, Half Marathon, Marathon, Ultra Marathon.
£22–£39.95
See entry options & fees
London · Barnes Sports Club, The Club House, 261 Lonsdale Rd, London SW13 9QL
Thames Meander Spring is organised by HermesRunning in London. Entry options: Marathon; Half Marathon; 10km .
£39.48–£60.71
See entry options & fees
London
The London Marathon runs over two days in 2027, with races on Saturday 24 and Sunday 25 April through central London.
Price not confirmed
London · Barnes Sports Club, 261 Lonsdale Rd, London SW13 9QL, UK
Thames Meander Summer is organised by HermesRunning in London. Entry options: Marathon; Half Marathon; 10km.
£39.48–£60.71
See entry options & fees
Work out your target marathon time and pace.