Powerful Criss Cross threshold intervals 2022

Endurance with tempo threshold Criss-Cross and threshold efforts are workouts used to develop aerobic endurance and builds power at Threshold.  When Mid to late off-season. Focus

• Concentrate during the easier HR/PZ2, don’t switch off and allow intensity to drop lower.
• You might find it easier to maintain the intensity during the longer efforts on a gradual climb.
• The third hour efforts take a lot of focus and determination. You may find them easier with a training partner.

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