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7 best carbohydrate sources for endurance athletes — Interval

7 best carbohydrate sources for endurance athletes

Seven carbohydrate sources ranked by how they actually work across a training week, with typical serving sizes, timing windows and the research behind the intake ceilings.

7 best carbohydrate sources for endurance athletes

Seven carbohydrate sources ranked by how they actually work across a training week, with typical serving sizes, timing windows and the research behind the intake ceilings.

Hyrox roxzone strategy — Interval

Hyrox roxzone strategy: where most athletes los...

Roxzone transitions account for close to 8% of a Hyrox finish time. Here is where the seconds disappear, how to set a transition target, and the sessions that train it.

Hyrox roxzone strategy: where most athletes los...

Roxzone transitions account for close to 8% of a Hyrox finish time. Here is where the seconds disappear, how to set a transition target, and the sessions that train it.

Heat acclimation for endurance athletes — Interval

Heat acclimation for endurance athletes

A 10 to 14 day heat acclimation block changes plasma volume, sweat rate and core temperature. Here is the protocol, the hydration cost, and how to time it around a...

Heat acclimation for endurance athletes

A 10 to 14 day heat acclimation block changes plasma volume, sweat rate and core temperature. Here is the protocol, the hydration cost, and how to time it around a...

How to calculate your sweat rate — Interval

How to calculate your sweat rate

Work out your own sweat rate in one training session with bathroom scales and simple arithmetic, then build a hydration plan around your number instead of a generic guideline.

How to calculate your sweat rate

Work out your own sweat rate in one training session with bathroom scales and simple arithmetic, then build a hydration plan around your number instead of a generic guideline.

7 best ways to prevent muscle cramp during endu...

Seven cramp interventions ranked by evidence quality, from pacing and specific training to sodium, pickle juice and the truth about magnesium.

7 best ways to prevent muscle cramp during endu...

Seven cramp interventions ranked by evidence quality, from pacing and specific training to sodium, pickle juice and the truth about magnesium.