3:45 marathon pace
- Pace per mile
- 8:35
- Pace per km
- 5:20
- Halfway
- 1:52:30
- Finish
- 3:45:00
Mile splits
| Mile 1 | 8:35 |
| Mile 2 | 17:10 |
| Mile 3 | 25:45 |
| Mile 4 | 34:20 |
| Mile 5 | 42:54 |
| Mile 6 | 51:29 |
| Mile 7 | 1:00:04 |
| Mile 8 | 1:08:39 |
| Mile 9 | 1:17:14 |
| Mile 10 | 1:25:49 |
| Mile 11 | 1:34:24 |
| Mile 12 | 1:42:59 |
| Mile 13 | 1:51:34 |
| Mile 14 | 2:00:09 |
| Mile 15 | 2:08:43 |
| Mile 16 | 2:17:18 |
| Mile 17 | 2:25:53 |
| Mile 18 | 2:34:28 |
| Mile 19 | 2:43:03 |
| Mile 20 | 2:51:38 |
| Mile 21 | 3:00:13 |
| Mile 22 | 3:08:48 |
| Mile 23 | 3:17:23 |
| Mile 24 | 3:25:58 |
| Mile 25 | 3:34:32 |
| Mile 26 | 3:43:07 |
| Finish | 3:45:00 |
5K splits
| 5K | 26:40 |
| 10K | 53:19 |
| 15K | 1:19:59 |
| 20K | 1:46:39 |
| Halfway | 1:52:30 |
| 25K | 2:13:19 |
| 30K | 2:39:58 |
| 35K | 3:06:38 |
| 40K | 3:33:18 |
| Finish | 3:45:00 |
Even splits. Courses, hills and heat change the right pace on the day: check the heat pace calculator for a warm race.
Common questions
What pace is a 3:45 marathon?
8:35 per mile, or 5:20 per kilometer, held evenly from start to finish. That puts you through halfway in 1:52:30.
Is 3:45 a good marathon time?
A 3:45 marathon is top 27% of US finishers in the race results we track. How good it is depends on your age and gender: the table on this page shows where it places in each group.
What times at other distances match a 3:45 marathon?
By Riegel's formula, a 3:45 marathon is about the same performance as 23:28 for the 5K, 48:55 for the 10K, 1:47:55 for the half marathon. Longer predictions assume you've trained for the distance.
Does a 3:45 marathon qualify for Boston?
For 2027, 3:45 meets the Boston standard for women aged 45 and over and men aged 60 and over. Meeting it lets you apply; recent years have needed about 5 minutes under it.