Breaking 3:05 at the London Marathon
Even splits would be 4:23/km (7:03/mi). But London Marathon isn't flat-even — the plan below redistributes the same finish time across the course the way experienced runners actually race it.
How to pace this course
0–5 km
Downhill start from Blackheath
4:19/km (6:57/mi)
5–35 km
4:23/km (7:04/mi)
35–42.2 km
Twisty stretch along the Embankment; crowds carry you home
4:25/km (7:07/mi)
Split table
| Checkpoint | Split | Elapsed | Pace at this point |
|---|---|---|---|
| 5 km | 21:36 | 21:36 | 4:19/km |
| 10 km | 21:56 | 43:32 | 4:23/km |
| 15 km | 21:56 | 1:05:28 | 4:23/km |
| 20 km | 21:56 | 1:27:24 | 4:23/km |
| Half | 4:49 | 1:32:13 | 4:23/km |
| 25 km | 17:07 | 1:49:20 | 4:23/km |
| 30 km | 21:56 | 2:11:15 | 4:23/km |
| 35 km | 21:56 | 2:33:11 | 4:23/km |
| 40 km | 22:06 | 2:55:18 | 4:25/km |
| Finish | 9:42 | 3:05:00 | 4:25/km |
Print this table or write the elapsed times on your arm — GPS pace is least reliable exactly when you need it most.