| The Big Half | |
|---|---|
| Date | September |
| Location | London, United Kingdom |
| Event type | Road |
| Distance | Half marathon |
| Established | 4 March 2018 |
| Course records | Men: 1:00:22 (Kenenisa Bekele, 2020) Women: 1:07:35 (Eilish McColgan, 2022) |
| Official site | www |
The Big Half is an annual road running event over the half marathon distance (21.1 km), held in central London, United Kingdom. The event, first held in 2018, initially took place in early March, a few weeks before the London Marathon, but after the COVID-19 pandemic switched to dates in late August/early September.