Pace Calculator
3:45 Marathon Pace
To finish a Marathon in 3h45, you need to maintain a pace of 5:20 per km (8:35 per mile). Here's your complete split breakdown.
Pace per KM
5:20
min/km
Pace per Mile
8:35
min/mile
Average Speed
11.3
km/h
3h45 Marathon Splits
Plan my Marathon pacing strategy →| Distance | Split Pace | Cumulative Time |
|---|---|---|
| 1 km | 5:20 | 5:20 |
| 2 km | 5:20 | 10:40 |
| 3 km | 5:20 | 15:60 |
| 4 km | 5:20 | 21:20 |
| 5 km | 5:20 | 26:40 |
| 6 km | 5:20 | 31:60 |
| 7 km | 5:20 | 37:20 |
| 8 km | 5:20 | 42:40 |
| 9 km | 5:20 | 47:59 |
| 10 km | 5:20 | 53:19 |
| 11 km | 5:20 | 58:39 |
| 12 km | 5:20 | 1:03:59 |
| 13 km | 5:20 | 1:09:19 |
| 14 km | 5:20 | 1:14:39 |
| 15 km | 5:20 | 1:19:59 |
| 16 km | 5:20 | 1:25:19 |
| 17 km | 5:20 | 1:30:39 |
| 18 km | 5:20 | 1:35:59 |
| 19 km | 5:20 | 1:41:19 |
| 20 km | 5:20 | 1:46:39 |
| 21 km | 5:20 | 1:51:59 |
| 22 km | 5:20 | 1:57:19 |
| 23 km | 5:20 | 2:02:39 |
| 24 km | 5:20 | 2:07:59 |
| 25 km | 5:20 | 2:13:19 |
| 26 km | 5:20 | 2:18:39 |
| 27 km | 5:20 | 2:23:58 |
| 28 km | 5:20 | 2:29:18 |
| 29 km | 5:20 | 2:34:38 |
| 30 km | 5:20 | 2:39:58 |
| 31 km | 5:20 | 2:45:18 |
| 32 km | 5:20 | 2:50:38 |
| 33 km | 5:20 | 2:55:58 |
| 34 km | 5:20 | 3:01:18 |
| 35 km | 5:20 | 3:06:38 |
| 36 km | 5:20 | 3:11:58 |
| 37 km | 5:20 | 3:17:18 |
| 38 km | 5:20 | 3:22:38 |
| 39 km | 5:20 | 3:27:58 |
| 40 km | 5:20 | 3:33:18 |
| 41 km | 5:20 | 3:38:38 |
| 42 km | 5:20 | 3:43:58 |
| 42.20 km | 5:20 | 3:45:00 |
Ready to Run a 3h45 Marathon?
Getting to 3h45 for your Marathon takes more than just knowing your pace. RunPlan creates a personalized AI training plan based on your current fitness, schedule, and race date to help you hit your goal.