On 9 October four Highgate Harriers ran personal best marathon times. In the Chicago Marathon, Nathan Sayers ran 2:43:51, improving on his time of 2:47:20 at the Boston Marathon in April. Rebecca Clarke also running in Chicago ran 2:57:50 radically improving on her 3:17:44 in 2021. On the same day in the Munich Marathon, Tom Cowling finished with a time of 2:49:25. He previously ran his best time of 2:50:23 in 2019. Flick Burton who had a good run in the Met League on 15th Oct, ran a personal best of 2:58:58 in her first marathon, also running in Munich.