Breaking 3:45 at the Istanbul Marathon
Even splits would be 5:20/km (8:35/mi). But Istanbul 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
0–4 km
Bosphorus Bridge approach to 88-metre apex — run by effort, not pace; it's the race's signature climb
5:34/km (8:58/mi)
4–8 km
56-metre descent into Beşiktaş — let legs roll but protect the quads
5:10/km (8:19/mi)
8–38 km
Long flat Marmara coastal section — the PR-building zone, find rhythm and hold it
5:17/km (8:31/mi)
38–42.2 km
Gülhane Park climb to Sultanahmet (+32 m) — the decisive late-race sting, run by effort
5:34/km (8:58/mi)
Split table
| Checkpoint | Split | Elapsed | Pace at this point |
|---|---|---|---|
| 5 km | 27:27 | 27:27 | 5:10/km |
| 10 km | 26:06 | 53:33 | 5:17/km |
| 15 km | 26:27 | 1:19:59 | 5:17/km |
| 20 km | 26:27 | 1:46:26 | 5:17/km |
| Half | 5:48 | 1:52:14 | 5:17/km |
| 25 km | 20:38 | 2:12:53 | 5:17/km |
| 30 km | 26:27 | 2:39:19 | 5:17/km |
| 35 km | 26:27 | 3:05:46 | 5:17/km |
| 40 km | 27:00 | 3:32:46 | 5:34/km |
| Finish | 12:14 | 3:45:00 | 5:34/km |
Print this table or write the elapsed times on your arm — GPS pace is least reliable exactly when you need it most.