Woman holding a flag at the finish line of the big half

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Essential facts

The Big Half is London’s community half marathon

Alongside the half marathon distance is the Big Relay, which sees teams of four complete the route in a relay, and The Big Mile, a free event for everyone.

Inaugural event: March 2018
Largest field: 16,457 in 2024

In 2025 The Big Mile, The Big Relay and The Big Half will return on Sunday 7 September. 

First held in 2018, The Big Half starts at Tower Bridge and finishes by the famous Cutty Sark in Greenwich.

The event aims to inspire runners of all backgrounds to enjoy benefits of running and to celebrate and represent London’s diverse population. As such, a special £10 community entry route is available to encourage entries from underrepresented community groups based in the local area. 

 In 2024, 25% of participants in the events were from ethnically diverse communities. 

The route passes through the four London boroughs of Tower Hamlets, Southwark, Lewisham and Greenwich – taking in Canary Wharf, Wapping, Tower Bridge, Rotherhithe and Deptford along the way – before finishing at the iconic sailing ship. 

Also taking place on the same day are The Big Mile, a free event taking place in the afternoon on the finishing stretch of The Big Half, and The Big Relay which allows groups of four to split the half marathon distance equally and complete the course as a relay team. 

Participation breakdown by year
Year  Finishers  Men  Women  Non-binary 
2024  16,457  8,795  7,626  28 
2023  15749  9521  6198  20 
2022  12,438  7,481  4,947 
2021  7604  4682  2922 
2020  15,986  8,647  7,339 
2019  9,941  6,937  3,004 
2018  11518  5797  5720 
Previous winners  (All GBR unless stated). 
Year Event  Winner  Time 
2024 Wheelchair men  Johnboy Smith  50:00:00
Wheelchair women  Claudia Burrough  65:02:00
Elite men  Jack Rowe  62:35:00
Elite women  Eilish McColgan  69:14:00
2023 Wheelchair men  David Weir  47:26:00
Wheelchair women  Samantha Kinghorn  52:05:00
Elite men  Jack Rowe  61:08:00
Elite women  Calli Thackery  69:15:00
2022 Wheelchair men  David Weir  47:18:00
Wheelchair women  Eden Rainbow-Cooper  56:39:00
Elite men  Mo Farah  61:49:00
Elite women  Eilish McColgan  67:35:00
2021 Wheelchair men  Sam Kolek  50:37:00
Wheelchair women  Nikki Emerson  67:38:00
Elite men  Jake Smith  62:06:00
Elite women  Charlotte Purdue  69:51:00
2020 Wheelchair men  Brent Lakatos (CAN)  48:44:00
Wheelchair women  Shelly Woods  62:02:00
Elite men  Kenenisa Bekele (ETH)  60:22:00
Elite women  Lily Partridge  70:50:00
2019 Wheelchair men  David Weir  51:12:00
Wheelchair women  Margriet Van Der Broek (NED)  63:41:00
Elite men  Mo Farah  61:15:00
Elite women  Charlotte Purdue  70:38:00
2018 Wheelchair men  Marcel Hug (SUI)  51:36:00
Wheelchair women  Manuela Schar (SUI)  56:39:00
Elite men  Mo Farah  61:40:00
Elite women  Charlotte Purdue  70:29:00

Course records 

Men: 60:20 (Kenenisa Bekele, ETH, 2020)   

Women: 67:35 (Eilish McColgan, GBR, 2022)   

Wheelchair Men: 47:18 (David Weir, GBR, 2022)   

Wheelchair Women: 52:05 (Samantha Kinghorn, GBR, 2023)