Why does TrainAsONE put the slow/recovery step before the fast step in repeating workouts?

Why does TrainAsONE put the slow/recovery step before the fast step in repeating workouts?

By Dr. Sean Radford24th June 2025

This highlights a deliberate and unique aspect of TrainAsONE's approach to interval training. While many traditional plans use a FAST > SLOW structure, our method is designed to maximize the effectiveness of each hard effort.

The TrainAsONE Approach: SLOW > FAST as a 'Priming' Strategy

The SLOW step in your TrainAsONE workout is not just a simple recovery jog. It is a precisely calculated, active recovery designed to act as a priming step for the subsequent FAST interval.

The theory is that this active priming prepares your muscles and energy systems to perform more effectively and powerfully in the upcoming FAST step. While direct scientific studies comparing the two structures are limited, exercise science principles suggest that this SLOW > FAST method could be superior for many goals, particularly for enhancing short-distance race performance and peak power output.

Psychological Benefits

We also find that many runners, especially those newer to speed work, appreciate this structure. The initial SLOW step can feel less jarring and provides a mental and physical 'run-in' to each hard effort, which can make the workout feel more manageable.

In summary, while it looks different from other plans, our SLOW > FAST structure is a purposeful strategy designed to help you get the most out of every workout.