Learn what VDOT is, how it’s calculated, and why it’s used to measure running performance and fitness.

Learn what RPE is and how the Rating of Perceived Exertion is used to measure workout intensity.

Discover how VDOT training paces are used to structure workouts and improve running performance.

View a VDOT pace chart to quickly find recommended training and race paces for your fitness level.

Learn how to use RPE for training to regulate intensity and improve consistency and performance.

Learn the main factors that affect tree removal costs, from size and location to labor and risk.

See how tree removal costs vary by tree size and what price ranges to expect for different diameters.

Understand how tree removal costs change by location, including regional pricing and accessibility factors.

Compare RPE vs heart rate training to understand the strengths and limits of each intensity method.

Understand the RPE scale, including its levels, meaning, and how athletes use it in training.