Marathon May 4 at 11:00

When putting together a training program with the goal of finishing a marathon, it is essential to build on the principles of Dr. Jack Daniels and his well-proven "Running Formula." Daniels, a renowned expert in the science of running, stresses the importance of precise intensity control to maximise the training benefits without overloading the body. His philosophy can be summed up in a few key principles: individualised pacing based on your current fitness level, a balanced mix of the intensities the VDOT tables suggest, and the importance of recovery.

To adapt this approach to your goal of finishing a marathon in 3 hours and 52 minutes, the focus is on three main areas: 1) Aerobic endurance through long runs and easy jogging, 2) Running economy and speed development through interval training, and 3) Optimal recovery to support the harder training days and prevent injuries.

Aerobic endurance The long runs are critical for building the aerobic endurance a marathon demands. These sessions should be run at a pace that feels moderately challenging, yet sustainable over time. The focus here is on time on your feet rather than distance, which prepares muscles, tendons and joints for the load of race day.

Running economy and speed development Interval training is the key to improving your running economy and increasing your speed. By working intervals in Zones 4-5, as Dr. Daniels' VDOT tables would recommend based on your personal bests, you stimulate the efficiency of your stride and breathing. It is important to follow these harder sessions with easy jogging or rest, to allow the body to recover and come back stronger.

Optimal recovery Rest days and easy jog days are not just "days off"; they are an integral part of the training plan. These days make sure the body heals from the micro-damage that occurs during the harder sessions, and they help build a stronger, more durable runner. Active recovery, such as light cycling or swimming, can also be a valuable tool for promoting recovery without adding running-related load.

In this tailored training plan, based on Dr. Daniels' methods, we have made sure both volume and intensity increase gradually over five weeks, with a special focus on a long run that builds up to 3 hours in week 4. This ensures you reach the peak of your aerobic capacity and running economy right before a carefully timed taper. The goal of the taper is to arrive at the start line fresh, rested, and feeling "hungry" to run.

Throughout the training period, remember to listen to your body and adjust the training intensity and volume as needed. Hydration, nutrition and good sleep are also crucial components of your preparation. By following these principles, you position yourself for success on race day and set the stage for a marathon experience that is both rewarding and enjoyable.

VDOT zones

With a personal best of 43 minutes for 10 km, we can use Jack Daniels' VDOT tables to estimate your running zones. These zones are based on his VDOT score, which is a measure of your running capacity or fitness. The tables assign a VDOT number based on race times, which in turn is used to calculate training intensities for different types of training. For a 10 km time of 43 minutes, your VDOT score would be roughly in the 48-49 range. Let us use a VDOT score of 48 to estimate your running zones:

• Zone 1 (Easy/Light running): This is your recovery and long-run zone. The pace here should feel easy and be sustainable over a long time. For VDOT 48, this would be roughly 5:50 to 6:10 per km.
• Zone 2 (Moderate): Used for slightly longer runs where you can still hold a conversation. For a VDOT of 48, this is about 5:30 to 5:50 per km.
• Zone 3 (Tempo): This zone is for training at threshold pace, where you can speak in short sentences. For a VDOT of 48, this would be around 5:00 to 5:20 per km.
• Zone 4 (Interval training): This zone is for harder work that improves VO2 max and running economy. Typically this would be about 4:30 to 4:50 per km for VDOT 48.
• Zone 5 (Racing/Speedwork): This zone is split into several sub-zones (5a, 5b, 5c) representing everything from near threshold pace to faster than VO2 max pace. For VDOT 48 this can vary from 4:10 per km to 4:30 per km for shorter repeated efforts.

It is important to note that these estimates are approximate and can vary based on individual differences, the day's form, weather conditions and other factors. Daniels' formula assumes optimal running conditions and can be adjusted slightly based on your specific training situation and goals.