Run

1.45km in 5:25 (0.9mi at 6:01 pace)
1:00 rest
1.75km in 7:15 (1.09mi at 6:40 pace)
1:35 rest
700m in 3:05 (0.435mi at 7:05 pace)

Total: 3.9km in 18:20 (2.42mi at 7:35 pace)

If you discount the rests, that's 2.42mi at 6:31 pace.