Tag: Level IV intervals

brick workout

Monday’s Brick: Dermott Hayes Endurance Brick #2

Dermott Hayes’ Endurance Brick #2 builds durability on the bike before demanding sustained, repeatable intensity on tired legs. After a steady 40km aerobic ride, four 2km efforts at Level IV with just 30 seconds recovery test your rhythm, resilience, and ability to reset under pressure. A race-relevant brick for athletes who want to stay strong when fatigue sets in.

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Coach Ray’s Ironman 70.3 Threshold Brick C

Monday’s Brick: Coach Ray’s Ironman 70.3 Threshold Brick C

Coach Ray’s Ironman 70.3 Threshold Brick C is a high-value brick session designed to raise your threshold and make race pace feel more sustainable. With structured Level IV intervals on both the bike and run, this workout builds long-course durability, improves efficiency, and helps you race faster for the same effort.

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