Interval session · Hard · 9 miles

800-400-600-300 Threshold

Varied Threshold.

Session

2x 800m / 3x 400m / 2x 600m / 4x 300m

Workout breakdown

10 minute warmup / 2x 800m @ threshold (60s recovery) / 2 minute recovery / 3x 400m @ threshold (60s recovery) / 2 minute recovery / 2x 600m @ threshold (60s recovery) / 2 minute recovery / 4x 300m @ threshold (60s recovery) / 10 minute cool down.

Recovery

60s between reps | 2 minutes between sets.

Training paces

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