Fartlek Run

Friday Fartlek Run: 4x 4min VO2 Max Run

This Friday Fartlek Run features 4×4-minute VO₂ max intervals designed to build top-end speed and aerobic power. Ideal for parkrun and 5km athletes, sprint triathletes, and runners in the right phase of a longer build, this session helps lift your speed ceiling and improve high-intensity running performance.

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Friday Fartlek Run

Friday Fartlek Run: 4x 2min VO2 Max Run

This Friday Fartlek Run is a sharp VO₂ max session designed to build top-end speed and improve short-term tolerance to high-intensity efforts. Featuring 4×2-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 race-specific speed and power.

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Friday Fartlek Run: 6x 5min Hill Rep Runs

This is a hard VO2 Max workout that develops your ability to sustain your top-end intensity and enhances your ability to develop power (especially on hills). Hill Reps are an important training session for all runners, as well as triathletes.

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Friday Fartlek Run: 10x 2:30min Hill Rep Runs

This is a hard VO2 Max workout that develops your ability to sustain your top-end intensity and enhances your ability to develop power (especially on hills). Hill Reps are an important training session for all runners, as well as triathletes.

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Friday Fartlek Run: Garmin VO2 Max B

VO2 Max sessions are a great way to build your top end speed, with a short rest like this workout has you will also develop your short term tolerance to higher lactic acid levels. This session is great for athletes running 5km & 10km events, as well as sprint and Olympic distance triathletes.

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Jess' VO2 Progression A

Friday Fartlek Run: Jess’ VO2 Progression A

Boosting your VO2 Max will deliver improved race results in short distance events, and can also help to boost your threshold if times appropriately within your build up. This session is great for runner’s of all abilities, and is particularly effective for 5km and 10km runners and triathletes.

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Friday Fartlek Run: 8x 1min VO2 Max Runs

Your VO2 max is a measure of the maximum amount of oxygen your body can utilise during exercise. If you increase your VO2 max, any run below that level is therefore easier (in theory). Spending time training at VO2 Max intensity will generate performance enhancements for runners of all distances but runners and triathlete running distances up to 10km will benefit the most.

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Run Sessions

Friday Fartlek Run – 6x 1min VO2 Max Runs

Your VO2 max is a measure of the maximum amount of oxygen your body can utilise during exercise. If you increase your VO2 max, any run below that level is therefore easier (in theory). Spending time training at VO2 Max intensity will generate performance enhancements for runners of all distances but runners and triathletes running distances up to 10km will benefit the most.

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