How long is a marathon?

A marathon is 42.195 km (26.22 miles).

What pace is a 3:00 marathon?

A 3:00 marathon is 4:16/km (6:52/mi), 14.1 km/h.

What pace is a 3:30 marathon?

A 3:30 marathon is 4:59/km (8:01/mi), 12.1 km/h.

What pace is a 4:00 marathon?

A 4:00 marathon is 5:41/km (9:09/mi), 10.5 km/h.

How do I pick a marathon goal time?

Start from a recent race: the equivalent times under the calculator estimate your marathon from it with the Riegel formula. Then use the ladder to see what a minute faster or slower means per km.

Marathon pace calculator

A marathon is 42.195 km (26.2 miles). Pick a goal time to see the pace per km and per mile, the splits, and the goal times either side of yours.

A 4:00:00 marathon is 5:41/km (9:09/mi), 10.5 km/h.

Marathon finish times around your target, in 1 minute steps
Change	Time	Pace
−4:00	3:56:00	5:369:00
−3:00	3:57:00	5:379:02
−2:00	3:58:00	5:389:05
−1:00	3:59:00	5:409:07
Your target Finish time Pace /km
+1:00	4:01:00	5:439:12
+2:00	4:02:00	5:449:14
+3:00	4:03:00	5:469:16
+4:00	4:04:00	5:479:18

min/kmmin/mikm/hmph

Arrow keys nudge the value. Hold Shift for bigger steps.

Finish times at 5:41 per km

Finish time at this pace for each distance
Distance	Finish time
1K	5:41
1 mile	9:09
5K	28:26
10K	56:53
10 miles	1:31:32
Half marathon	2:00:00
Marathon	4:00:00
50K	4:44:24

Marathon pace chart

Pace per km and per mile for each marathon goal time. Each time links to its splits.
Goal time	min/km	min/mi	km/h
2:00	2:51	4:35	21.1
2:05	2:58	4:46	20.3
2:10	3:05	4:57	19.5
2:15	3:12	5:09	18.8
2:20	3:19	5:20	18.1
2:25	3:26	5:32	17.5
2:30	3:33	5:43	16.9
2:35	3:40	5:55	16.3
2:40	3:48	6:06	15.8
2:45	3:55	6:18	15.3
2:50	4:02	6:29	14.9
2:55	4:09	6:40	14.5
3:00	4:16	6:52	14.1
3:05	4:23	7:03	13.7
3:10	4:30	7:15	13.3
3:15	4:37	7:26	13.0
3:20	4:44	7:38	12.7
3:25	4:52	7:49	12.3
3:30	4:59	8:01	12.1
3:35	5:06	8:12	11.8
3:40	5:13	8:23	11.5
3:45	5:20	8:35	11.3
3:50	5:27	8:46	11.0
3:55	5:34	8:58	10.8
4:00	5:41	9:09	10.5
4:05	5:48	9:21	10.3
4:10	5:55	9:32	10.1
4:15	6:03	9:44	9.9
4:20	6:10	9:55	9.7
4:25	6:17	10:06	9.6
4:30	6:24	10:18	9.4
4:35	6:31	10:29	9.2
4:40	6:38	10:41	9.0
4:45	6:45	10:52	8.9
4:50	6:52	11:04	8.7
4:55	6:59	11:15	8.6
5:00	7:07	11:27	8.4
5:05	7:14	11:38	8.3
5:10	7:21	11:49	8.2
5:15	7:28	12:01	8.0
5:20	7:35	12:12	7.9
5:25	7:42	12:24	7.8
5:30	7:49	12:35	7.7
5:35	7:56	12:47	7.6
5:40	8:03	12:58	7.4
5:45	8:11	13:10	7.3
5:50	8:18	13:21	7.2
5:55	8:25	13:32	7.1
6:00	8:32	13:44	7.0
6:05	8:39	13:55	6.9
6:10	8:46	14:07	6.8
6:15	8:53	14:18	6.8
6:20	9:00	14:30	6.7
6:25	9:07	14:41	6.6
6:30	9:15	14:52	6.5

Splits

Negative splitEven pace all the way

Splits per km
km	Split	Elapsed
1	5:41	5:41
2	5:41	11:23
3	5:41	17:04
4	5:41	22:45
5	5:41	28:26
6	5:41	34:08
7	5:41	39:49
8	5:41	45:30
9	5:41	51:11
10	5:41	56:53
11	5:41	1:02:34
12	5:41	1:08:15
13	5:41	1:13:57
14	5:41	1:19:38
15	5:41	1:25:19
16	5:41	1:31:00
17	5:41	1:36:42
18	5:41	1:42:23
19	5:41	1:48:04
20	5:41	1:53:45
21	5:41	1:59:27
22	5:41	2:05:08
23	5:41	2:10:49
24	5:41	2:16:31
25	5:41	2:22:12
26	5:41	2:27:53
27	5:41	2:33:34
28	5:41	2:39:16
29	5:41	2:44:57
30	5:41	2:50:38
31	5:41	2:56:19
32	5:41	3:02:01
33	5:41	3:07:42
34	5:41	3:13:23
35	5:41	3:19:05
36	5:41	3:24:46
37	5:41	3:30:27
38	5:41	3:36:08
39	5:41	3:41:50
40	5:41	3:47:31
41	5:41	3:53:12
42	5:41	3:58:53
Final 0.195 km	1:07	4:00:00

Splits per mile
Mile	Split	Elapsed
1	9:09	9:09
2	9:09	18:18
3	9:09	27:28
4	9:09	36:37
5	9:09	45:46
6	9:09	54:55
7	9:09	1:04:05
8	9:09	1:13:14
9	9:09	1:22:23
10	9:09	1:31:32
11	9:09	1:40:41
12	9:09	1:49:51
13	9:09	1:59:00
14	9:09	2:08:09
15	9:09	2:17:18
16	9:09	2:26:28
17	9:09	2:35:37
18	9:09	2:44:46
19	9:09	2:53:55
20	9:09	3:03:05
21	9:09	3:12:14
22	9:09	3:21:23
23	9:09	3:30:32
24	9:09	3:39:41
25	9:09	3:48:51
26	9:09	3:58:00
Final 0.219 mi	2:00	4:00:00

Equivalent times at other distances

Estimate

Estimated times at other distances (Riegel formula)
Distance	Estimated time
5K	25:01
10K	52:10
10 miles	1:26:24
Half marathon	1:55:07

These are estimates from the Riegel formula, T2 = T1 × (D2 ÷ D1)^1.06. They assume you’ve trained for the other distance, so treat them as a guide, not a promise.

Marathon 4:00:00

km5:41/km
15:41
211:23
317:04
422:45
528:26
634:08
739:49
845:30
951:11
1056:53
111:02:34
121:08:15
131:13:57
141:19:38
151:25:19
161:31:00
171:36:42
181:42:23
191:48:04
201:53:45
211:59:27
222:05:08
232:10:49
242:16:31
252:22:12
262:27:53
272:33:34
282:39:16
292:44:57
302:50:38
312:56:19
323:02:01
333:07:42
343:13:23
353:19:05
363:24:46
373:30:27
383:36:08
393:41:50
403:47:31
413:53:12
423:58:53
42.24:00:00

mi9:09/mi
19:09
218:18
327:28
436:37
545:46
654:55
71:04:05
81:13:14
91:22:23
101:31:32
111:40:41
121:49:51
131:59:00
142:08:09
152:17:18
162:26:28
172:35:37
182:44:46
192:53:55
203:03:05
213:12:14
223:21:23
233:30:32
243:39:41
253:48:51
263:58:00
26.224:00:00

Pace questions runners ask

How long is a marathon?: A marathon is 42.195 km (26.22 miles).
What pace is a 3:00 marathon?: A 3:00 marathon is 4:16/km (6:52/mi), 14.1 km/h.
What pace is a 3:30 marathon?: A 3:30 marathon is 4:59/km (8:01/mi), 12.1 km/h.
What pace is a 4:00 marathon?: A 4:00 marathon is 5:41/km (9:09/mi), 10.5 km/h.
How do I pick a marathon goal time?: Start from a recent race: the equivalent times under the calculator estimate your marathon from it with the Riegel formula. Then use the ladder to see what a minute faster or slower means per km.