3:15 Marathon Pace
A 3:15 marathon is 7:26 per mile or 4:37 per kilometer. Run it evenly and you reach halfway in 1:37:30.
- Per mile
- 7:26
- Per km
- 4:37
- 5K
- 23:06
- 10K
- 46:13
- Halfway
- 1:37:30
- 20 miles
- 2:28:45
- 30K
- 2:18:39
- Finish
- 3:15:00
3:15 marathon splits by mile
Your elapsed time at every mile marker at an even 7:26 per mile.
| Mile | Elapsed |
|---|---|
| 1 | 7:26 |
| 2 | 14:52 |
| 3 | 22:19 |
| 4 | 29:45 |
| 5 | 37:11 |
| 6 | 44:37 |
| 7 | 52:04 |
| 8 | 59:30 |
| 9 | 1:06:56 |
| 10 | 1:14:22 |
| 11 | 1:21:49 |
| 12 | 1:29:15 |
| 13 | 1:36:41 |
| Mile | Elapsed |
|---|---|
| 14 | 1:44:07 |
| 15 | 1:51:34 |
| 16 | 1:59:00 |
| 17 | 2:06:26 |
| 18 | 2:13:52 |
| 19 | 2:21:19 |
| 20 | 2:28:45 |
| 21 | 2:36:11 |
| 22 | 2:43:37 |
| 23 | 2:51:04 |
| 24 | 2:58:30 |
| 25 | 3:05:56 |
| 26 | 3:13:22 |
| 26.2 | 3:15:00 |
Going for 3:15?
Get the Kenyan Running Method book, free
Eleven chapters by Martin Karoki Muriuki, a Kenyan pro with a 14:13 5K: the sessions, hills, rest, shoes and race day. Enter your email and we send a link to read it online and a PDF to keep.
Or read the first three chapters first.
3:15 marathon splits by kilometer
Your elapsed time at every 5 km sign at an even 4:37 per kilometer.
| Distance | Elapsed |
|---|---|
| 5 km | 23:06 |
| 10 km | 46:13 |
| 15 km | 1:09:19 |
| 20 km | 1:32:26 |
| Half | 1:37:30 |
| 25 km | 1:55:32 |
| 30 km | 2:18:39 |
| 35 km | 2:41:45 |
| 40 km | 3:04:51 |
| Finish | 3:15:00 |
Even or negative split
1:37:30 and 1:37:30
7:26 per mile from the start line to the finish.
1:38:29 then 1:36:31
7:31 per mile for the first half, 7:22 for the second. You run the second half 1:58 faster and still finish in 3:15.
You can print either plan on a 3:15 pace band: pick the strategy before you print.
Race times that match a 3:15 marathon
By Riegel's formula, a common race-time predictor, a 3:15 marathon is the same effort as these shorter races.
- Half marathon
- 1:33:32
- 10K
- 42:23
- 5K
- 20:20
If your recent race times are slower than these, 3:15 is a stretch goal for now. The formula assumes marathon training: a runner with a fast half marathon and short long runs often finishes slower than it predicts. Use the marathon readiness score to check your mileage and long runs against the goal.
Is 3:15 a Boston qualifying time?
A 3:15:00 meets the Boston Marathon qualifying standard for men 45 and older, and for women and non-binary runners of every age (2026 and 2027 standards, age on race day). Meeting the standard does not guarantee entry. For the 2027 race, a qualifier needed to be 5:17 under their standard for a guaranteed place; 1,000 more places went by random draw to qualifiers who missed that cutoff.
Who runs 3:15, and what it takes
3:15 meets the Boston qualifying standard for men 45 and older and for women of every age.
A runner at this level usually has a sub-1:30 half marathon and runs 50 to 65 miles a week. The usual miss is a late fade. In training, the fix is more time at goal pace, 3 to 8 miles a week at about 7:25 per mile, with the same total volume. Go through halfway in 1:37:30 or slightly slower: a runner who goes out in 1:35 usually finishes over 3:20.
3:15 marathon pace FAQ
What pace is a 3:15 marathon?
A 3:15 marathon is 7:26 per mile or 4:37 per kilometer, held for 26.2 miles (42.195 km).
What is the halfway split for a 3:15 marathon?
1:37:30 at an even pace. With a 1% negative split, the first half is 1:38:29 and the second half 1:36:31.
What half marathon time matches a 3:15 marathon?
About 1:33:32, by Riegel's formula. A runner with that half marathon time still needs the long runs and weekly mileage to hold the pace for the full distance.