Tire Selection vs. Terrain: How Vittoria Rubber Saved 7.5% Effort on the Halo Loop

A line graph comparing Garmin FLOW scores for a 1.92-mile descent on June 20, 2026, and August 2, 2026. A blue dashed line represents the June baseline with an average FLOW of 3.80, and a red solid line represents the August data. A red shaded area highlights the "Chassis Chatter & Suspension Penalty Delta." Two callout boxes point to a spike at the technical switchback zone, noting a higher penalty with lower ShockWiz scores on August 2 compared to smooth tracking and higher ShockWiz scores on June 20.

Tire Selection vs. Terrain: How Vittoria Rubber Saved 7.5% Effort on the Halo Loop By Richard Wharton | August 2, 2026 Proper tire selection on technical mountain bike trails plays a far greater role in overall efficiency than raw horsepower alone. If you ride strictly by feel, hot, dry summer dirt on Peavine Mountain’s benchmark […]

The Power Illusion: Why Your Suspension Setup and HRV Dictate Real Speed

Short mountain bike stem upgrade for modern trail geometry used in physiology-first cycling training cockpit optimization.

Chasing Ghosts on Peavine: The Ecology of Speed By Coach Richard Wharton • May 27, 2026 Heading out from the Peavine Mountain Hoge Road Trailhead to collect raw biometric and suspension telemetry across the Halo Loop. Part 1: Physiology-First Cycling Training, the Weight, and the Climb Metrics It has been months since I last pointed […]

The Garmin Ecosystem: Why Your Watch is More Important Than Your Power Meter

Updated Garmin Recovery Time of 13 hours showing Train as Usual status after a night of rest.

Garmin Recovery Time: Why Your Watch Beats Your Power Meter By The Garmin Guru | April 24, 2026 Understanding Garmin Recovery Time is essential for any athlete following a “Physiology First” approach. As a coach with over 20 years in the industry, I know that your bike computer is only half the story. To truly […]

Peavine Mountain Bike Video

Peavine Singletrack is fun, challenging, and easily accessible.

Mountain Biking On Peavine Mountain Is In My Blood! Hey everyone – I’m still working on several blog posts, but I had to post this mountain biking video real quick. It was filmed with a Skydio 2 Sports Drone, and I filmed this all on one battery. It depicts a trail on Peavine, the Halo […]

Vo2Max On Garmin Connect and the Garmin 1040

Vo2max on Garmin Connect is closely correlated with Vo2max on a Gas Exchange analyzer.

Vo2Max Calculations Show Cardio-Vascular Changes Vo2max is a fitness and health measurement that is defined as, “The Maximal Volume of Oxygen that can be consumed by a person during physical exertion.” I’ve discussed Vo2max in the past, and I even own a Vo2Master assessment device, for testing and training purposes. Garmin Connect uses information collected […]

Intrinsic Insights – How What I Look At Applies to YOU

PerfPro Studio Just Ride Ergometer Mode

“The information I’m collecting right now is an attempt at revealing the INTRINSIC phenomena of exercise. When a bike ride starts, heart rate goes up. Muscles get squeezed. Breathing rate rises. Oxygen travels and Cardon Dioxide gets expelled. The bicycle moves forward. Calories are burned, Kilojoules are expended. The mind literally turns on extra channels to increase situational awareness, body position and risk assessment. I love this stuff!”

The Road to 300 Watts FTP

Moxy DFAA-1 Vo2master PerfPro Studio

Right Now, It’s NOT about 300 Watts; It’s About Raising LOWER THRESHOLD

The goal of base is to train the body for Economy. Stamina is the fundamental Pillar for Polarized Training. When you train using DFAA-1, you can get a clearer picture of how your body is responding to the training. Wattage and traditional heart rate become

More DFAA1 Files From Myself and my Clients

DFAa1 Rising Intensity

My Own Sleep Was Not Great, But Things On the Cardio Side Are Really Looking Good Well, once again, I didn’t sleep great last night. I woke up around 1:00am, and was up for about an hour. There is stress at the house with a relative, and that may have contributed. Last night, however, I […]