Gordo Byrn

Gordo Byrn

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Ultraman champion and endurance coach; endurance training, recovery, and high-performance habits.

Essential Gear: Shoes, Belts, and Utility for Endurance
SocialMar 27, 2026

Essential Gear: Shoes, Belts, and Utility for Endurance

Gym Equipment for Endurance Athletes Thoughts on shoes, belts and a useful utility piece https://t.co/1Yp3GHzN2z

By Gordo Byrn
Bicarbonate and Extra Calories Enhance Endurance Performance
SocialMar 23, 2026

Bicarbonate and Extra Calories Enhance Endurance Performance

Been experimenting with bicarb for the last year as well as seeing how extra calories impact my performance Full write up can be found on Endurance Essentials https://t.co/WLuX7VNkAv

By Gordo Byrn
Stable Weight Unlocks Your Strongest Training Performance
SocialMar 21, 2026

Stable Weight Unlocks Your Strongest Training Performance

A key life skill is the ability to hold a stable weight This video explains what I mean, and why "stable" is likely different than you'd expect Quote thread is an important concept for competitive athletes, who have mastered stable weight =>...

By Gordo Byrn
Add Plyometrics Easily: Small Jumps, Big Gains
SocialMar 20, 2026

Add Plyometrics Easily: Small Jumps, Big Gains

A simple way to add plyometrics to your program A little goes a long way with these exercises Jumps & Bar Hangs > Scrolling https://t.co/CIzbczIcaD

By Gordo Byrn
Lowered Periscope Improves 2026 Bike Position
SocialMar 14, 2026

Lowered Periscope Improves 2026 Bike Position

2026 Bike Position Lowering the periscope is the main thing I wanted to change - in 2025, my head was up in the flow Panel is Roth '25 vs the best in the business Video is from my fit session with @matsteinmetz I...

By Gordo Byrn
Cut 10 Minutes, Boost Power, Faster Across All Disciplines
SocialMar 14, 2026

Cut 10 Minutes, Boost Power, Faster Across All Disciplines

Dad Camp: Stage One Oro Valley Tri Ax did the sprint and I did the Intermediate distance Nice to repeat events to benchmark how we're doing I took 10 minutes out of last year's time and was faster across every discipline. Pulled up my...

By Gordo Byrn
Five Simple PT Moves Boost Running and Cycling Efficiency
SocialMar 14, 2026

Five Simple PT Moves Boost Running and Cycling Efficiency

My favorite five PT exercises. These exercises improve running economy and comfort on the bike. They are simple, can be done quickly and have a great return on investment. Even if you only do them once a week, they will help....

By Gordo Byrn
Tri‑sport SIT Session Boosts Performance, Repeatable Format
SocialMar 11, 2026

Tri‑sport SIT Session Boosts Performance, Repeatable Format

First SIT Session of 2026 Think these will give me a nice boost Made this a 🏊‍♂️🚴‍♂️🏃‍♂️ day, rather than a single session 1⃣Race Simulation Swim (1700m main set) 2⃣Sprint Interval Bike [2x] 4x (30"/90") 3⃣Sprint Interval Run - similar to bike on tread Really liked...

By Gordo Byrn
Slight Effort Rise Shifts Fuel, Boosts Appetite
SocialMar 10, 2026

Slight Effort Rise Shifts Fuel, Boosts Appetite

Energy and Exercise I've been writing about this a lot since the start of the year. Here's a snapshot from Bek's recent bike test from Elias' lab in Helsinki Don't get wrapped up in the exact numbers - it's the concept I...

By Gordo Byrn
Lower HR at Same Power Using Low‑Cadence HIIT
SocialMar 7, 2026

Lower HR at Same Power Using Low‑Cadence HIIT

First HIIT of 2026 Lower HR/Lactate response this year. For a given power, HR is <10bpm lower than last year. My reps were done <50 rpm. You can access the protocol at Part Five of The Physics of Performance Key thing that's different...

By Gordo Byrn
Master Pool Technique: Core Pace Over Power
SocialMar 6, 2026

Master Pool Technique: Core Pace Over Power

This week's short is at the pool 1⃣Technique 2⃣Understanding Core Pace 3⃣Not Blasting Ourselves Silly https://t.co/09SdccBJEN

By Gordo Byrn
Shift Energy, Not Intensity, for Faster Swim Gains
SocialMar 5, 2026

Shift Energy, Not Intensity, for Faster Swim Gains

Breakthrough Swimming is today's topic on Endurance Essentials The key thing I want to highlight is the need to shift total energy, not additional intensity, towards your swim program In the short-term requires you to back off with your other sports Big picture:...

By Gordo Byrn