Running an Ultra Trail (40K and Beyond)

4.8

4.7

4.8

4.6

4.7

4.7

4.5

4.8

4.8

4.2

4.8

4.7

4.5

4.8

4.6

4.8

4.6

4.7

4.8

4.5

4.7

4.7

4.7

4.3

4.8

4.5

4.7

4.7

4.2

4.8

4.7

5

4.9

4.7

4.8

4.7

4.8

4.6

4.7