Triathlon Training Blog | Multisport Mastery

Triathlete riding a time trial bike in the aero position past farm fields

Bike Writings

Five Things You’re Missing with FTP

Functional Threshold Power (FTP) is widely used in triathlon to benchmark cycling fitness and prescribe…

Elizabeth WaterstraatFebruary 7, 2026

Triathlete in a Multisport Mastery kit on the Kona run course

Bike Run Writings

Why Durability Matters

Most triathletes train to raise fitness markers such as FTP, threshold pace, or VO₂max. Yet…

Elizabeth WaterstraatFebruary 2, 2026

Smiling triathlete in a Multisport Mastery kit running along the waterfront in Nice

Racing Writings

Free Speed: Get Faster Without Doing More

Most athletes believe speed is earned the hard way - more miles, harder sessions, higher…

Elizabeth WaterstraatJanuary 26, 2026

Smiling IRONMAN finisher in a blue race kit giving a thumbs up with his medal

Racing Run Writings

How To Run Your Best Ironman Marathon

You finished an Ironman. The bike felt controlled. You executed your plan. Then the run…

Elizabeth WaterstraatJanuary 24, 2026

Kathryn running in a race, wearing a blue tri suit

Coaching Writings

Athlete Spotlight: Meet Kathryn

Meet Kathryn 👋🏻 Kathryn and I have worked together since 2011. A few years ago,…

Elizabeth WaterstraatJanuary 18, 2026

Athlete holding her IRONMAN 70.3 World Championship Officially Qualified certificate

Mindset Writings

Quiet Compounding

Recently, I finished Morgan Housel’s new book, The Art of Spending Money: Simple Choices for…

Elizabeth WaterstraatJanuary 5, 2026

Four Multisport Mastery athletes together after the Naperville Sprint Triathlon

Coaching Writings

2025 Triathlon Research in Review

If you’ve ever wondered what the latest science actually means for real triathletes, 2025 research…

Elizabeth WaterstraatDecember 30, 2025

Runner smiling with her finisher medal at the Naperville Half Marathon finish

Mindset Writings

Progress Is Rarely Linear

One of the most persistent misconceptions in endurance sport is that improvement should appear as…

Elizabeth WaterstraatDecember 21, 2025

Multisport Mastery athlete on the first-place podium with her arms spread wide

Mindset Racing Writings

Raising the Bar: From Complete to Compete

In an end of season reflection, an athlete expressed how they felt they made the…

Elizabeth WaterstraatDecember 18, 2025

Coach Elizabeth Waterstraat smiling at the pool wall during a swim workout

Swim Writings

Swimming: Learned Through Feel, Not Force

Swimming has a way of testing patience. Progress is rarely linear. Effort does not always…

Elizabeth WaterstraatDecember 10, 2025

Multisport Mastery team members gathered on the grass after a race

Coaching Writings

Why Listening to Athletes Matters More Than Their Metrics

In endurance sport, we measure almost everything: power, pace, heart rate, sleep, calories, HRV, readiness…

Elizabeth WaterstraatDecember 6, 2025

Swimmer in a pink cap wading into a misty lake at dawn

Racing Swim Writings

Cold Water, Calm Mind: Tips for Cold Water Triathlon Swims

If you’re racing Indian Wells 70.3 or any cold-water triathlon, let’s talk about preparing for…

Elizabeth WaterstraatDecember 2, 2025

Smiling triathlete in a Multisport Mastery kit running down the IRONMAN finish chute

Racing Writings

What’s Holding You Back?

If you ask most endurance athletes what they want, the answer is simple: I want…

Elizabeth WaterstraatNovember 29, 2025

Multisport Mastery triathlete giving a thumbs up on a run course lined with red rock cliffs

Mindset Writings

You and Your Goals: Ingredients For Athletic Success

Richard Hamming was a mathematician and computer scientist best known for his work at Bell…

Elizabeth WaterstraatMarch 24, 2025

Triathlete running on a wooded trail during a race

Mindset Writings

It’s In Us: Why We Explore

Alex Hutchinson’s book, The Explorer’s Gene: Why We Seek Big Challenges, New Flavors, And Blank…

Elizabeth WaterstraatMarch 23, 2025

Mindset Writings

Interoception: How Awareness Makes You A Better Athlete

What if I told you that something could make you a better athlete without requiring…

Elizabeth WaterstraatMarch 15, 2025

Northern lights glowing green over a line of trees at night

Mindset Writings

Explore & Exploit in Training

Spring break is near – training and routine disruption ahead! It’s easy to get caught…

Elizabeth WaterstraatMarch 11, 2025

Athlete standing beside a race course sign near the water

Bike Run Swim Writings

Am I Fit? Indicators of Improving Fitness Trends for Triathletes

Spring is almost here and with it comes questions about our fitness: are we fit?…

Elizabeth WaterstraatMarch 9, 2025

Writings

Stay The Path

I want to be fit. I know I don’t need to be fit. I want…

Elizabeth WaterstraatDecember 12, 2024

Writings

Muncie 70.3 Race Report

Muncie. One of the longest running half Ironmans in the country. This weekend, I competed…

Elizabeth WaterstraatDecember 12, 2024

The Mastery Lab

Five Things You’re Missing with FTP

Why Durability Matters

Free Speed: Get Faster Without Doing More

How To Run Your Best Ironman Marathon

Athlete Spotlight: Meet Kathryn

Quiet Compounding

2025 Triathlon Research in Review

Progress Is Rarely Linear

Raising the Bar: From Complete to Compete

Swimming: Learned Through Feel, Not Force

Why Listening to Athletes Matters More Than Their Metrics

Cold Water, Calm Mind: Tips for Cold Water Triathlon Swims

What’s Holding You Back?

You and Your Goals: Ingredients For Athletic Success

It’s In Us: Why We Explore

Interoception: How Awareness Makes You A Better Athlete

Explore & Exploit in Training

Am I Fit? Indicators of Improving Fitness Trends for Triathletes

Stay The Path

Muncie 70.3 Race Report

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