2:20 Half MarathonPace Chart & Split Guide

Pace chart for a 2:20 half marathon with mile and kilometer splits, plus modelled 5K and 10K race equivalents.

2:20 Half Marathon

Pace/km

6:38

Pace/mi

10:41

Distance

21.1km

Avg Speed

9.0km/h

Kilometer Splits

Kilometer splits
KMSplitElapsed
16:386:38
26:3813:16
36:3819:54
46:3826:33
56:3833:11
66:3839:49
76:3846:27
86:3853:05
96:3859:43
106:381:06:22
116:381:13:00
126:381:19:38
136:381:26:16
146:381:32:54
156:381:39:32
166:381:46:10
176:381:52:49
186:381:59:27
196:382:06:05
206:382:12:43
216:382:19:21
21.10Finish0:392:20:00

Mile Splits

Mile splits
MileSplitElapsed
110:4110:41
210:4121:22
310:4132:02
410:4142:43
510:4153:24
610:411:04:05
710:411:14:45
810:411:25:26
910:411:36:07
1010:411:46:48
1110:411:57:28
1210:412:08:09
1310:412:18:50
13.11Finish1:102:20:00
Distance
21.10km
Total Splits
22
Pace
6:38min/km
Avg Speed
9.0km/h

Modelled race equivalents for a 2:20 half marathon

If this result represents current race fitness, the standard Riegel model (k=1.06) estimates the comparison times below. They are model outputs, not guaranteed performances; terrain, conditions, pacing, fueling, and distance-specific preparation still matter.

5K

30:26

10K

1:03:27

Marathon

4:51:53

Adjust the Riegel exponent in the race-time predictor

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Pacing Notes for Your 2:20 Half Marathon

Half Marathon Pace Considerations

  • Use the split table to rehearse pacing, then adjust it for course and weather.
  • Only use fueling and equipment that you have already tested in training.
  • Check effort as well as pace; GPS and terrain can distort individual splits.
  • A goal time alone cannot determine safe weekly mileage or workout volume.

Race Execution Prompts

Mindset

Treat the goal as a pacing hypothesis and respond to conditions and effort.

Pacing

Start controlled, monitor average pace over stable segments, and adjust rather than forcing a failing plan.

Frequently Asked Questions

What pace do I need to run a 2:20 half marathon?

The mathematical average is 6:38 per kilometer or 10:41 per mile. Course distance, GPS error, hills, wind, and aid-station time can change the pace you see on race day.

Does a 2:20 goal determine my training plan?

No. Goal time alone cannot determine safe mileage, workout volume, or recovery. Use current training history and recent performance with a qualified coach or an established plan.

Does this page prescribe nutrition or gear?

No. Fuel, hydration, footwear, and equipment are individual decisions that should be tested in training; this page calculates pacing and splits only.

What 5K and 10K times are equivalent to a 2:20 half marathon?

Using the standard Riegel model with k=1.06, the comparison times are 30:26 for 5K and 1:03:27 for 10K. These are modelled scenarios, not guarantees of race performance.

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