Top 10 race results from the 2025 Boston Marathon London Marathon - Top 10 race results from the 2025 Boston Marathon Strava, giving the sports tracking app a fascinating insight into runners' achievements.
Just two days before the 2022 event is to take place on 2 October, the app has released data on last year's race.
Law of averages
The average Strava uploader completed the 2021 London Marathon in 4:19:54, just under three minutes quicker than average time for the race as a whole – 4:22:50.
Meanwhile the top 25 per cent of Strava runners finished in 3:36:45. The average time for men fell just outside the four hour barrier (4:05:08), while women on average completed the race in under four hour 45 minutes (4:43:20).
Setting the pace
Just over eight per cent of Strava uploaders registered a sub three-hour finish time. More than one in ten women logged Strava times under three hours 35 minutes, while 15 per cent of men who uploaded their race completed the course in under three hours, five minutes.
The slowest mile by average pace was mile four, standing at 11:39 but this was immediately followed by the fastest mile at mile five, at 09:01, as competitors perhaps sped up to make up for lost time.
International results
Runners from Mexico recorded the fastest London Marathon times in 2021, with an average upload time of 3:26:06. The other quickest nations were: Norway (3:32:22); Portugal (3:35:46) and Poland (3:41:30).
