News and guides 121 articles
Race news, gear reviews and training guides from the endurance world.
IRONMAN 70.3 Elsinore 2026: Van Riel Six for Six
Marten Van Riel took his sixth 70.3 win of the season with a course record, while Kat Matthews erased a three-minute deficit on the run.
CSS: Finding Your Threshold Pace in the Pool
On the bike you have FTP. In the pool, you have Critical Swim Speed. Test it in one session and build every zone around it.
How Much You Actually Sweat: Stop Guessing, Test It
Sweat rate varies several times over between athletes. Measure your own with a scale and one session, then set your bottle plan.
Strength Training for Triathletes: The Real Payoff
Heavy strength work will not bulk triathletes up. Research shows it builds running and cycling economy, with two sessions a week enough to see the effect.
Ronnestad 30/15 Microintervals for More VO2max
Rennestad’s 30/15 microintervals pack more time above 90% VO2max into an hour than classic 4×5-minute reps, with the full protocol laid out step by step.
CORE 2: Turning Body Heat Into a Training Tool
CORE 2 estimates core body temperature from skin heat flow, helping triathletes pace safely in the heat and turn acclimation into structured training.
Sighting in Open Water: How to Swim a Straight Line
Zigzagging in open water adds hundreds of extra metres. Crocodile eyes, breath-linked glances and the three-look rule keep swimmers on course.
Aero Wheels: How Many Seconds They Really Give
Aero wheels do save real time, just not as much as marketing suggests. A breakdown of watts, seconds, and where the sweet spot for rim depth sits.
Indoor Trainer ERG Mode: When It Beats Riding Outdoors
ERG mode delivers pinpoint power sessions no road ride can match, but it will not teach pacing or bike handling. When to use each.
Carbs Per Hour on the Bike: 90, 120 or More
Most amateurs who fade on the run simply ate too little on the bike. The numbers, the gut science, and how to train your carb tolerance.
Chain Waxing: The Watts You Save and How to Do It at Home
Chain wax barely beats oil on a clean drivetrain, but stays faster on a dirty course and saves your cassette. The full at-home method.
The Long Run in IRONMAN Training: Why 3 Hours Is the Limit
The long run is the backbone of IRONMAN marathon prep, but most amateurs get it wrong. How long, how often, and why 3 hours is the ceiling.