- Who
- Ben Kellett
- What
- 03:54:52 hour(s):minute(s):second(s)
- Where
- United Kingdom (London)
- When
The fastest marathon carrying a bicycle is 3 hr 54 min 52 sec and was achieved by Ben Kellett (UK), at the TCS London Marathon, in London, UK, on 21 April 2024.
At the 2024 TCS London Marathon 44 official Guinness World Records titles were achieved from an original list of 74 attempts.