Marathon pace calculator

Marathon Pace Calculator: Sub 4:20

Required pace

9:55/mi

6:10 per km

Marathon · Sub 4:20

Mile-by-mile splits

  • Mile 1
    9:559:55
  • Mile 2
    9:5519:50
  • Mile 3
    9:5529:45
  • Mile 4
    9:5539:40
  • Mile 5
    9:5549:35
  • Mile 6
    9:5559:30
  • Mile 7
    9:551:09:25
  • Mile 8
    9:551:19:20
  • Mile 9
    9:551:29:15
  • Mile 10
    9:551:39:10
  • Mile 11
    9:551:49:05
  • Mile 12
    9:551:59:00
  • Mile 13
    9:552:08:55
  • Mile 14
    9:552:18:50
  • Mile 15
    9:552:28:45
  • Mile 16
    9:552:38:40
  • Mile 17
    9:552:48:35
  • Mile 18
    9:552:58:30
  • Mile 19
    9:553:08:25
  • Mile 20
    9:553:18:20
  • Mile 21
    9:553:28:15
  • Mile 22
    9:553:38:10
  • Mile 23
    9:553:48:05
  • Mile 24
    9:553:58:00
  • Mile 25
    9:554:07:55
  • Mile 26
    9:554:17:50
  • Finish (26.2 mi)
    2:104:20:00

The priority here is completing the Marathon in Sub 4 hours 20 minutes (~6:10/km). A patient buildup — showing up often — tends to matter more than intensity. Keep the splits above nearby — they turn an abstract pace into something tangible.

Nearby goal times

Full marathon pace chart

Sub 4:20 Marathon FAQ