Thursday 19 May 2011

Intervals... where have you been?!

This was a great session. I'd forgotten how invigorating intervals could be. I ran 6 x 1km at 4:00/km, interspersed with 3-minute recovery jogs. Here are the splits:

1st km: 4:12 (6:46/mile)
3-min jog (8:15/mile)
2nd km: 3:59 (6:25/mile)
3-min jog (8:16/mile)
3rd km: 3:50 (6:11/mile)
3-min jog (8:19/mile)
4th km: 4:05 (6:35/mile)
3-min jog (8:22/mile)
5th km: 4:09 (6:41/mile)
3-min jog (8:11/mile)
6th km: 3:49 (6:09/mile)
3-min jog (8:14/mile)

The route was undulating but at no point did I feel exhausted. I pushed a little harder for the last interval, but if I was tired, then it was a 'good tired'! My only concern is that I should be working a little harder in sessions like this (perhaps shorter recoveries?), but I'm racing on Sunday anyway so I figured leaving a little in the tank was the best strategy.

Distance: 5.88 miles
Avg pace: 7m 09s / mile
Avg HR: 162 bpm
Conditions: sunny spells, 16°C

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