sub 3 hour marathon race strategy

2:08

3:59:51

2:03:10

51:22

4:41

7:54

12:32

7:01

4:26

2:03

13:58

10:00

28:10

3:23

2:21

3:23

3:23

3:45

2:45

1:18:04

18:17

23:32

23:32

24:27

23:32

23:32

14:59

16:25

6:38

6:22

16:19

17:47

8:56

5:58

5:17

1:42

4:58

9:20

8:15

11:33