Warmup, then 6 x 1km at 7:40 min/mile pace, with 600m recovery. Heart reate monitor went haywire for the second time on an interval session, despite working fine otherwise. Weird.
| Lap | Time | Distance | Pace | HR |
|---|---|---|---|---|
| Total | 59:09 | 6.6 mi | 8:53 min/mi | 160 |
| 6 × | 4:58.5 | 1000m | 8:00 min/mi | |
| Average | 1:59.4 | 400m | 8:00 min/mi | |
| WU | 6:44 | 0.65 mi | 10:22 min/mi | 145 |
| 1 | 5:00 | 1000m | 8:02 min/mi | 138 |
| R | 3:42 | 600m | 9:55 min/mi | 143 |
| 2 | 4:58 | 1000m | 7:59 min/mi | 152 |
| R | 3:44 | 600m | 10:00 min/mi | 168 |
| 3 | 4:59 | 1000m | 8:01 min/mi | 168 |
| R | 3:47 | 600m | 10:08 min/mi | 168 |
| 4 | 4:58 | 1000m | 7:59 min/mi | 168 |
| R | 3:51 | 600m | 10:19 min/mi | 168 |
| 5 | 4:58 | 1000m | 7:59 min/mi | 168 |
| R | 3:42 | 600m | 9:55 min/mi | 168 |
| 6 | 4:58 | 1000m | 7:59 min/mi | 168 |
| WD | 3:40 | 0.35 mi | 10:28 min/mi | 168 |