Workouts» AI Endurance» Run » Threshold Run5min from 65 to 80% of 5k pace8min @ 100% of 5k pace4min @ 65% of 5k pace8min @ 100% of 5k pace5min from 80 to 65% of 5k pace 5min from <span data-value="65">65</span> to <span data-value="80">80</span>% of 5k pace8min @ <span data-value="100">100</span>% of 5k pace4min @ <span data-value="65">65</span>% of 5k pace8min @ <span data-value="100">100</span>% of 5k pace5min from <span data-value="80">80</span> to <span data-value="65">65</span>% of 5k paceWorkout overviewDuration: 30mZone distributionZ1: -Z2: 9mZ3: 5mZ4: 16mZ5: -Z6: - 0% 31% 16% 53% 0% 0%Author: AI EnduranceDo 2 Intervals of 8 min at Threshold pace on 4 min recovery. Extend the warmup and cool down if you feel like you need more time. If you need to walk in between intervals, that's ok! Download workout More workouts like thisFAQ: How to use custom workouts in Zwift? Back to top