raceIQ

4:20 marathon pace

Hold 9:55 per mile (6:10 per km) to run a 4:20 marathon, a time that's top 49% of US finishers.
Pace per mile
9:55
Pace per km
6:10
Halfway
2:10:00
Finish
4:20:00

Mile splits

Mile 19:55
Mile 219:50
Mile 329:45
Mile 439:40
Mile 549:35
Mile 659:30
Mile 71:09:25
Mile 81:19:20
Mile 91:29:15
Mile 101:39:10
Mile 111:49:05
Mile 121:59:00
Mile 132:08:55
Mile 142:18:50
Mile 152:28:45
Mile 162:38:40
Mile 172:48:35
Mile 182:58:30
Mile 193:08:25
Mile 203:18:20
Mile 213:28:15
Mile 223:38:10
Mile 233:48:05
Mile 243:58:00
Mile 254:07:55
Mile 264:17:50
Finish4:20:00

5K splits

5K30:49
10K1:01:37
15K1:32:26
20K2:03:14
Halfway2:10:00
25K2:34:03
30K3:04:51
35K3:35:40
40K4:06:28
Finish4:20:00

Even splits. Courses, hills and heat change the right pace on the day: check the heat pace calculator for a warm race.

Where 4:20 places in the marathon

Among US finishers in the race results we track, by age and gender. See all marathon times.

Where a 4:20 marathon places among US finishers by age and gender
AgeWomenMen
Under 20Top 43%Faster than 39%
20–29Top 43%Faster than 42%
30–39Top 41%Faster than 40%
40–49Top 39%Faster than 41%
50–59Top 31%Faster than 50%
60–69Top 23%Top 37%
70+Top 15%Top 18%
All agesTop 39%Faster than 44%
The same effort at other distances
  • 5K
    27:07
    8:44/mi
  • 10K
    56:31
    9:06/mi
  • Half marathon
    2:04:42
    9:31/mi

Predicted with Riegel's formula. Try the race time predictor.

Common questions

What pace is a 4:20 marathon?

9:55 per mile, or 6:10 per kilometer, held evenly from start to finish. That puts you through halfway in 2:10:00.

Is 4:20 a good marathon time?

A 4:20 marathon is top 49% 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 4:20 marathon?

By Riegel's formula, a 4:20 marathon is about the same performance as 27:07 for the 5K, 56:31 for the 10K, 2:04:42 for the half marathon. Longer predictions assume you've trained for the distance.

Does a 4:20 marathon qualify for Boston?

For 2027, 4:20 meets the Boston standard for women aged 60 and over and men aged 70 and over. Meeting it lets you apply; recent years have needed about 5 minutes under it.

Know your pace? See where it would place you. raceIQ ranks upcoming races by where you'd finish in your age group, using each race's past results.

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