Workouts» Los Angeles Marathon: Phase 1» Week 2 » 1. Interval day13min 20sec from 70 to 85% of HM pace13min 20sec @ 85% of 10k pace6min 40sec @ 106% of 10k pace13min 20sec @ 85% of 10k pace6min 40sec @ 106% of 10k pace13min 20sec @ 85% of 10k pace6min 40sec @ 106% of 10k pace6min 40sec @ 85% of 10k pace6min 40sec from 80 to 65% of HM pace 13min 20sec from 70 to 85% of HM pace13min 20sec @ 85% of 10k pace6min 40sec @ 106% of 10k pace13min 20sec @ 85% of 10k pace6min 40sec @ 106% of 10k pace13min 20sec @ 85% of 10k pace6min 40sec @ 106% of 10k pace6min 40sec @ 85% of 10k pace6min 40sec from 80 to 65% of HM paceWorkout overviewDistance: 5.2 kmZone distributionZ1: 0 mZ2: 892 mZ3: 3108 mZ4: 0 mZ5: 1200 mZ6: 0 m 0% 17% 60% 0% 23% 0% Time for some speed work! You will be doing some 400 meter or 1/4 mile intervals above your threshold pace, with a longer rest period in between. This will start to get your body used to doing some fast running and help build speed. ✓ Available in Zwift More workouts like this Back to top