Run Pace IQRun Pace IQ

3:15 Marathon Pace

Required pace: 4:37 /km · 7:26 /mileFinish time 3:15:00

A 3:15 marathon is a classic qualifying target for many age groups, and a natural next step for runners who have gone under 3:30. The pace is 4:37 per kilometre, which feels comfortable early on and demanding after 30 km.

Plan to reach halfway in about 1:37:30 and 30K in 2:18:39. The split tables below show where you should be at every marker.

Distance
Hours
Minutes
Seconds
← FasterSlower →
Required pace
4:37
min/km
3:15:00
Finish
7:26
min/mi
13.0
km/h
3:15 marathon checkpoints
CheckpointDistanceElapsed time
5K5 km23:06
10K10 km46:13
Half21.1 km1:37:30
30K30 km2:18:39
Finish42.2 km3:15:00
3:15 marathon splits per mile
MileElapsed time
1 mi7:26
2 mi14:52
3 mi22:19
4 mi29:45
5 mi37:11
6 mi44:37
7 mi52:04
8 mi59:30
9 mi1:06:56
10 mi1:14:22
11 mi1:21:49
12 mi1:29:15
13 mi1:36:41
14 mi1:44:07
15 mi1:51:34
16 mi1:59:00
17 mi2:06:26
18 mi2:13:52
19 mi2:21:19
20 mi2:28:45
21 mi2:36:11
22 mi2:43:37
23 mi2:51:04
24 mi2:58:30
25 mi3:05:56
26 mi3:13:22
26.2 mi3:15:00
3:15 marathon pace band
KM 1
4:37
KM 2
9:15
KM 3
13:52
KM 4
18:29
KM 5
23:06
KM 6
27:44
KM 7
32:21
KM 8
36:58
KM 9
41:36
KM 10
46:13
KM 11
50:50
KM 12
55:27
KM 13
1:00:05
KM 14
1:04:42
KM 15
1:09:19
KM 16
1:13:57
KM 17
1:18:34
KM 18
1:23:11
KM 19
1:27:48
KM 20
1:32:26
KM 21
1:37:03
KM 22
1:41:40
KM 23
1:46:18
KM 24
1:50:55
KM 25
1:55:32
KM 26
2:00:09
KM 27
2:04:47
KM 28
2:09:24
KM 29
2:14:01
KM 30
2:18:39
KM 31
2:23:16
KM 32
2:27:53
KM 33
2:32:30
KM 34
2:37:08
KM 35
2:41:45
KM 36
2:46:22
KM 37
2:51:00
KM 38
2:55:37
KM 39
3:00:14
KM 40
3:04:51
KM 41
3:09:29
KM 42
3:14:06
KM 42.2
3:15:00
Equivalent race times for a 3:15 marathon
RaceTimePace (min/km)Pace (min/mile)
5K20:204:046:33
10K42:234:146:49
10 Miles1:10:124:227:01
Half Marathon1:33:324:267:08

Predicted with the Riegel formula (t2 = t1 × (d2/d1)^1.06). It is most reliable between similar distances.

Frequently asked questions

What pace is a 3:15 marathon?

A 3:15:00 marathon is 4:37 per kilometre, about 7:26 per mile, held from the start line to the finish.

Is a 3:15 marathon a Boston qualifying time?

Qualifying standards change by age group and by year, so check the current standard for your age. For several age groups, 3:15 sits close to the cut-off, so many runners aim a few minutes faster.

How many kilometres a week do I need for a 3:15 marathon?

Many runners reach 3:15 on 60 to 80 km a week during the peak of their training block, with a weekly long run of 28 to 34 km and one session at or near goal pace.