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Marathon Pace

Sub-3:15 Marathon Pace

To break 3:15:00 you need 4:37 per kilometer or 7:26 per mile (13.0 km/h, 8.1 mph). Set your own target below, then take the splits and a pace band to the start line.

Marathon
31500

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Pace
4:37 /km
Status
Right on 3:15 pace

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Your pace band

Clock time at every marker. Print it, cut it, tape it to your wrist.

The same pace from start to finish.

  1. Marathon3:15:00
  2. 5K23:06
  3. 10K46:13
  4. 15K1:09:19
  5. 20K1:32:26
  6. Half1:37:30
  7. 25K1:55:32
  8. 30K2:18:39
  9. 35K2:41:45
  10. 40K3:04:51
  11. Finish3:15:00

If you can run 3:15:00

Equivalent race times from the Riegel formula. Longer-race predictions assume your endurance training matches.

5K20:20
10K42:23
Half marathon1:33:32
Marathon3:15:00

Workout paces

Interval targets based on your equivalent 5K effort.

RepTarget
Mile6:29–6:42
1000m3:52–4:04
800m3:02–3:11
400m1:26–1:31
200m0:37–0:41

Sub-3:15 marathon splits

Even-pace clock times for a 3:15:00 marathon. Holding 4:37 per kilometer finishes in 3:14:48; holding 7:26 per mile finishes in 3:14:54.

Kilometer splits at 4:37/km
5 km23:06
10 km46:13
15 km1:09:19
20 km1:32:26
25 km1:55:32
30 km2:18:39
35 km2:41:45
40 km3:04:51
Finish3:15:00
Mile splits at 7:26/mi
Mile 17:26
Mile 214:52
Mile 322:19
Mile 429:45
Mile 537:11
Mile 644:37
Mile 752:04
Mile 859:30
Mile 91:06:56
Mile 101:14:22
Mile 111:21:49
Mile 121:29:15
Mile 131:36:41
Mile 141:44:07
Mile 151:51:34
Mile 161:59:00
Mile 172:06:26
Mile 182:13:52
Mile 192:21:19
Mile 202:28:45
Mile 212:36:11
Mile 222:43:37
Mile 232:51:04
Mile 242:58:30
Mile 253:05:56
Mile 263:13:22
Finish (26.2 mi)3:15:00

Race times that go with a sub-3:15 marathon

Riegel-formula equivalents for a 3:15:00 marathon. If your weekly mileage is modest, aim for about 1:32:14 in the half marathon rather than 1:33:32 before committing to this goal.

5K20:20
10K42:23
half marathon1:33:32

Frequently asked questions

What pace is a 3:15 marathon?

A 3:15:00 marathon averages 4:37 per kilometer or 7:26 per mile. Holding 4:37 per kilometer finishes in 3:14:48, and 7:26 per mile finishes in 3:14:54.

What half marathon time do I need for a sub-3:15 marathon?

The Riegel formula lines up a 3:15:00 marathon with about 1:33:32 for the half marathon. A more conservative estimate for runners without high weekly mileage is about 1:32:14.

What is the halfway split for a sub-3:15 marathon?

At even pace the halfway split is 1:37:30. Many runners aim to pass halfway a few seconds slower and finish with a small negative split.