- Rebecca César de Sá, Nuno César de Sá
- 3:43:17 hour(s):minute(s):second(s)
- United Kingdom (London)
The fastest marathon with two runners handcuffed together - mixed pair is 3 hr 43 min 17 sec and was achieved by Rebecca César de Sá (UK) and Nuno César de Sá (Portugal) at the Virgin Money London Marathon, in London, UK, on 28 April 2019.
Rebecca and Nuno's attempt was one of 38 successful world record attempts adjudicated at the marathon.