raceIQ

3:20 marathon pace

Hold 7:38 per mile (4:44 per km) to run a 3:20 marathon, a time that's top 14% of US finishers.
Pace per mile
7:38
Pace per km
4:44
Halfway
1:40:00
Finish
3:20:00

Mile splits

Mile 17:38
Mile 215:15
Mile 322:53
Mile 430:31
Mile 538:08
Mile 645:46
Mile 753:24
Mile 81:01:02
Mile 91:08:39
Mile 101:16:17
Mile 111:23:55
Mile 121:31:32
Mile 131:39:10
Mile 141:46:48
Mile 151:54:25
Mile 162:02:03
Mile 172:09:41
Mile 182:17:18
Mile 192:24:56
Mile 202:32:34
Mile 212:40:11
Mile 222:47:49
Mile 232:55:27
Mile 243:03:05
Mile 253:10:42
Mile 263:18:20
Finish3:20:00

5K splits

5K23:42
10K47:24
15K1:11:06
20K1:34:48
Halfway1:40:00
25K1:58:30
30K2:22:12
35K2:45:54
40K3:09:36
Finish3:20:00

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

Where 3:20 places in the marathon

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

Where a 3:20 marathon places among US finishers by age and gender
AgeWomenMen
Under 20Top 12%Top 27%
20–29Top 9%Top 18%
30–39Top 9%Top 20%
40–49Top 7%Top 20%
50–59Top 5%Top 12%
60–69Top 5%Top 6%
70+Top 7%Top 5%
All agesTop 8%Top 18%
The same effort at other distances
  • 5K
    20:51
    6:43/mi
  • 10K
    43:29
    7:00/mi
  • Half marathon
    1:35:56
    7:19/mi

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

Common questions

What pace is a 3:20 marathon?

7:38 per mile, or 4:44 per kilometer, held evenly from start to finish. That puts you through halfway in 1:40:00.

Is 3:20 a good marathon time?

A 3:20 marathon is top 14% 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 3:20 marathon?

By Riegel's formula, a 3:20 marathon is about the same performance as 20:51 for the 5K, 43:29 for the 10K, 1:35:56 for the half marathon. Longer predictions assume you've trained for the distance.

Does a 3:20 marathon qualify for Boston?

For 2027, 3:20 meets the Boston standard for women aged 18 and over and men aged 50 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.

Find your races