FitFileLab

Marathon in 3:45

To finish a Marathon in 3:45 you need to average 5:20/km. Below is your target pace, the kilometre-by-kilometre split chart to hold it, and what the same effort gives you over other distances.

Target pace5:20 /km8:35 /mi
Finish time3:45:00
Speed11.3 km/h7.0 mph

Split chart

Cumulative time as you pass each kilometre, holding an even pace.

DistanceCumulative time
1 km5:20
2 km10:40
3 km16:00
4 km21:20
5 km26:40
6 km32:00
7 km37:20
8 km42:40
9 km47:59
10 km53:19
11 km58:39
12 km1:03:59
13 km1:09:19
14 km1:14:39
15 km1:19:59
16 km1:25:19
17 km1:30:39
18 km1:35:59
19 km1:41:19
20 km1:46:39
21 km1:51:59
22 km1:57:19
23 km2:02:39
24 km2:07:59
25 km2:13:19
26 km2:18:39
27 km2:23:58
28 km2:29:18
29 km2:34:38
30 km2:39:58
31 km2:45:18
32 km2:50:38
33 km2:55:58
34 km3:01:18
35 km3:06:38
36 km3:11:58
37 km3:17:18
38 km3:22:38
39 km3:27:58
40 km3:33:18
41 km3:38:38
42 km3:43:58
42.2 km3:45:00

Same pace over other distances

Finish times you'd get at this exact pace over the classic race distances.

DistanceTime
Marathon3:45:00
Half marathon1:52:30
10K53:19
5K26:40

Adjust this in the pace calculator

Change the distance, time or pace to build your own chart — it's pre-filled with the numbers from this page.

Calculate
Pace5:20 /km8:35 /mi
Time3:45:00
Distance42.20 km26.22 mi
Speed11.25 km/h6.99 mph

Race times at this pace

DistanceTime
1 km5:20
1 mile8:35
5 km26:40
10 km53:19
Half1:52:30
Marathon3:45:00
50 km4:26:37
100 km8:53:14

Open the pace calculator →

Pace it to the hills →

Got a hilly course? The grade-adjusted pace planner splits your goal time km by km so you run an even effort, not an even pace.

Related pace charts