This Friday Fartlek Run features **3×12-minute tempo intervals** designed to build aerobic strength and sustainable speed. Running at Level III with short recoveries, this session is ideal for runners and triathletes preparing for half marathons, marathons, and longer endurance events while maintaining controlled, high-quality training.
View More Friday Fartlek Run: 3x 12min Tempo Runs
This Friday Fartlek Run features 5×7-minute tempo intervals designed to build aerobic strength and sustainable speed. Running at Level III with short recoveries, this session is ideal for runners and triathletes preparing for half marathons, marathons, and longer endurance events, providing quality training without excessive fatigue.
View More Friday Fartlek Run: 5x 7min Tempo Runs
This Friday Fartlek Run features 8×4-minute tempo intervals at Level III — a controlled, sub-threshold effort that builds aerobic strength and pacing discipline. Ideal for runners and triathletes preparing for half marathons, marathons, and longer events, this session delivers quality endurance work without excessive fatigue, making it perfect for both early build phases and taper periods.
View More Friday Fartlek Run: 8x 4min Tempo Runs
This Friday Fartlek Run is a high-quality VO₂ max session designed to improve top-end speed and short-term tolerance to higher intensity efforts. Featuring 6×3-minute reps at Level V with short recoveries, this workout is ideal for 5km and 10km runners, as well as sprint and Olympic-distance triathletes looking to sharpen speed and race-specific fitness.
View More Friday Fartlek Run: 6x 3min VO2 Max Run
This Friday Fartlek Run features 6×5-minute tempo intervals designed to build aerobic strength and sustainable speed. Running at Level III with short recoveries, this workout is ideal for runners and triathletes preparing for half marathons, marathons, and longer endurance events, delivering quality training without excessive fatigue.
View More Friday Fartlek Run: 6x 5min Tempo Runs
his Friday Fartlek Run session is a sharp, taper-friendly threshold workout designed to maintain fitness and improve your ability to sustain fast running. Jess’ Threshold Taper Run features 5×3-minute reps at Level IV with short recoveries—ideal for 10km runners, triathletes, and endurance athletes looking to hold intensity during a taper or safely reintroduce speed early in a training build.
View More Friday Fartlek Run: Jess’ Threshold Taper Run
This Friday Fartlek Run features 4×7-minute tempo efforts at an intensity just below threshold — controlled, sustainable, and highly effective for building aerobic strength. Ideal for runners and triathletes preparing for half marathons, marathons, and longer events, especially during early build phases or taper periods.
View More Friday Fartlek Run: 4x 7min Tempo Runs
This Friday Fartlek Run features 5×5-minute tempo efforts at an intensity just below threshold — strong, controlled, and sustainable. Ideal for runners and triathletes building towards half marathons, marathons, or longer events, this session develops aerobic strength without overreaching and fits perfectly into early build phases or taper periods.
View More Friday Fartlek Run: 5x 5min Tempo Runs
This Friday Fartlek Run features 4×6-minute tempo efforts at a comfortably hard intensity below threshold. A perfect endurance session for runners and triathletes building toward half and full marathons, or maintaining fitness during a taper.
View More Friday Fartlek Run: 4x 6min Tempo Runs