The Mastery Lab

Triathlon Off-Season Training: Are You Building the Right Fitness? CoachingRacingWritings

Triathlon Off-Season Training: Are You Building the Right Fitness?

By Elizabeth Waterstraat | Multisport Mastery The purpose of triathlon off-season training isn't simply to…

Elizabeth WaterstraatOctober 22, 2026

From First 70.3 to Ironman in 33 Weeks: What It Really Takes to Achieve an Ambitious Goal CoachingRacingWritings

From First 70.3 to Ironman in 33 Weeks: What It Really Takes to Achieve an Ambitious Goal

By Elizabeth Waterstraat | Multisport Mastery What does it take to go from having almost…

Elizabeth WaterstraatOctober 21, 2026

Beyond Performance: What 20 Years of Endurance Coaching Has Taught Me About Goals, Identity, and Possibility CoachingMindsetWritings

Beyond Performance: What 20 Years of Endurance Coaching Has Taught Me About Goals, Identity, and Possibility

By Elizabeth Waterstraat | Multisport Mastery After nearly 20 years of coaching endurance athletes, I…

Elizabeth WaterstraatOctober 9, 2026

10 Triathlon Upgrades for Free Speed Next Season BikeRacingWritings

10 Triathlon Upgrades for Free Speed Next Season

Every offseason, triathletes start looking for ways to get faster. Usually that means more training,…

Elizabeth WaterstraatSeptember 30, 2026

Mastering Hot‑Weather Racing: Stress Capacity, Smart Adjustments, and Global Fitness RacingWritings

Mastering Hot‑Weather Racing: Stress Capacity, Smart Adjustments, and Global Fitness

As temperatures climb across the country, conversations inevitably turn to hydration, electrolytes, and cooling strategies.…

Elizabeth WaterstraatJuly 11, 2026

Relearning Effort: Interoception, RPE, and the Hidden Skill of Internal Awareness CoachingMindsetWritings

Relearning Effort: Interoception, RPE, and the Hidden Skill of Internal Awareness

Modern athletes are surrounded by data. Watches track heart rate variability, power meters quantify every…

Elizabeth WaterstraatJune 15, 2026

Triathlon Racing in the Heat: How to Adjust Pace, Power, Heart Rate, and Hydration at 70, 80, and 90 Degrees Fahrenheit BikeRacingRunWritings

Triathlon Racing in the Heat: How to Adjust Pace, Power, Heart Rate, and Hydration at 70, 80, and 90 Degrees Fahrenheit

Heat changes the rules of triathlon performance. A pace or power output that feels sustainable…

Elizabeth WaterstraatMay 6, 2026

Mastery Moment with Katie M. CoachingWritings

Mastery Moment with Katie M.

Katie M., who works with Coach Elizabeth Waterstraat, shares her Mastery Moment - a shift…

Elizabeth WaterstraatApril 27, 2026

Mastering Durable Confidence: The Mindset that Matters Most for Triathletes MindsetWritings

Mastering Durable Confidence: The Mindset that Matters Most for Triathletes

Race morning. The nerves are screaming, the unknowns are looming, and no matter how well…

Elizabeth WaterstraatApril 24, 2026

What Shapes Our Coaching: The Multisport Mastery Approach to Endurance Training CoachingWritings

What Shapes Our Coaching: The Multisport Mastery Approach to Endurance Training

At Multisport Mastery, our coaching philosophy is built on a simple truth: athletes are complex,…

Elizabeth WaterstraatApril 19, 2026

Fix Your Swim Fast: 7 Proven Techniques to Improve Speed, Efficiency, and Confidence SwimWritings

Fix Your Swim Fast: 7 Proven Techniques to Improve Speed, Efficiency, and Confidence

Why Do Most Triathletes Struggle in the Water? If you’ve ever stood on the shore…

Elizabeth WaterstraatApril 9, 2026

5 Powerful Decisive Points in a 70.3 Race That Competitive Triathletes Must Master RacingWritings

5 Powerful Decisive Points in a 70.3 Race That Competitive Triathletes Must Master

In a 70.3 race, success rarely comes down to a single moment. It’s shaped by…

Elizabeth WaterstraatMarch 24, 2026

Mastering Race Day: Strategy, Planning, and Execution for Triathletes RacingWritings

Mastering Race Day: Strategy, Planning, and Execution for Triathletes

Race day rarely unfolds exactly as you expect and that’s precisely why so many triathletes…

Elizabeth WaterstraatMarch 20, 2026

Why Endurance Matters More Than Talent in Athletic Development CoachingMindsetWritings

Why Endurance Matters More Than Talent in Athletic Development

“Talent is insignificant. I know a lot of talented ruins. Beyond talent lie all the…

Elizabeth WaterstraatMarch 14, 2026

How Athletes Can Get the Best Sleep Before a Race: Evidence-Based Strategies for Performance RacingWritings

How Athletes Can Get the Best Sleep Before a Race: Evidence-Based Strategies for Performance

The night before a race matters but the real sleep advantage starts days before. Sleep…

Elizabeth WaterstraatMarch 13, 2026

Stop Chasing Exact Numbers: Why Power and Pace Ranges Work Better in Training BikeRunWritings

Stop Chasing Exact Numbers: Why Power and Pace Ranges Work Better in Training

Many athletes assume that the most effective training requires hitting a precise wattage or pace…

Elizabeth WaterstraatMarch 9, 2026

Anatomy of a Breakthrough: 4 Powerful Decisions That Change Performance MindsetWritings

Anatomy of a Breakthrough: 4 Powerful Decisions That Change Performance

One of the most rewarding parts of coaching is guiding an athlete to a true…

Elizabeth WaterstraatFebruary 26, 2026

Feeling Stuck? Breaking Out of the Overthinking Rut in Sport MindsetWritings

Feeling Stuck? Breaking Out of the Overthinking Rut in Sport

Periods of feeling “stuck” are part of sport. Performance plateaus, inconsistent results, or a run…

Elizabeth WaterstraatFebruary 23, 2026

Transitioning from Indoor to Outdoor Cycling BikeWritings

Transitioning from Indoor to Outdoor Cycling

After a winter's worth of indoor cycling, athletes are eager to embrace a random warm…

Elizabeth WaterstraatFebruary 17, 2026

Our Coaching Framework CoachingWritings

Our Coaching Framework

At Multisport Mastery, we've established a coaching framework grounded in 20 years of experience in…

Elizabeth WaterstraatFebruary 11, 2026