It's a little over 15 seconds per mile slower than 5k pace. And each rep is shorter than a 5k. This doesn't sound too crazy. This is like 2 x 4k @ 10k race pace with 5 minute rest. It's on the more challenging side of workouts but not outrageous. Certainly not an early season workout, but doing this a month out from a big 10k race would be reasonable.
Speck wrote:
His Garmin is probably using its VO2 max estimate based on his heart rate from his more recent runs. The heart monitor on his Garmin is probably inaccurate. Or it could be that he’s doing a lot of treadmill runs and his watch thinks he’s going a lot faster than he is at xxx heart rate.
Could also be that he's running on the track and not using track mode. My GPS hits the mile about 100m short on the track and thinks i'm running 20-30s/mi faster than I am.
Hot Takes wrote:
It's a little over 15 seconds per mile slower than 5k pace. And each rep is shorter than a 5k. This doesn't sound too crazy. This is like 2 x 4k @ 10k race pace with 5 minute rest. It's on the more challenging side of workouts but not outrageous. Certainly not an early season workout, but doing this a month out from a big 10k race would be reasonable.
Wrong math !
4:10 min/km is exactly his actual 5k Pace and that makes it 2 x 18min @ 5k Pace with 5mins jogging rest inbetween.
This workout would be crazy and probably not doable for him !
^^^ Whoops, thought the original post said 4:20 pace for the workout. Do the workout at 4:20 kilometer pace and its' a good workout, yes 4:10 is too hard for a workout for this person.
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