Yasso 800s

Yasso 800s as Marathon Predictor

The Effectiveness of Yasso 800s as a Marathon Predictor

The marathon is a grueling race that tests the physical and mental limits of runners. It requires months of training, dedication, and careful planning. One aspect of marathon training that has gained popularity in recent years is the use of Yasso 800s as a predictor of marathon performance. Yasso 800s are a type of interval workout that involves running 800 meters at a specific pace, with equal recovery time in between. The theory behind using Yasso 800s as a marathon predictor is that the average time it takes to complete the 800-meter intervals can be used to estimate the time it will take to complete a marathon.

The idea of using Yasso 800s as a marathon predictor was first introduced by Bart Yasso, the Chief Running Officer at Runner’s World magazine. Yasso claimed that if a runner could consistently complete 10 repetitions of 800 meters in the same time it takes to run a marathon, then they would be well-prepared to run the marathon at that pace. For example, if a runner could consistently complete the 800-meter intervals in 3 minutes and 30 seconds, then they should be able to run a marathon in 3 hours and 30 minutes.

Many runners have embraced Yasso 800s as a marathon predictor and have found success in using this method to set realistic goals for their marathon races. However, it is important to note that Yasso 800s should not be the sole basis for determining marathon performance. There are many other factors that can affect marathon performance, such as weather conditions, course elevation, and individual fitness levels.

While Yasso 800s can provide a rough estimate of marathon performance, it is important to remember that they are just one tool in a runner’s training arsenal. It is still necessary to incorporate other types of workouts, such as long runs, tempo runs, and hill repeats, into a training plan in order to build endurance and improve overall performance.

Additionally, it is important to consider that Yasso 800s may not be suitable for all runners. Some runners may find that they do not respond well to this type of interval workout, or that it does not accurately predict their marathon performance. It is always best to consult with a coach or experienced runner before incorporating Yasso 800s into a training plan.

In conclusion, Yasso 800s can be a useful tool for estimating marathon performance, but they should not be relied upon as the sole predictor. They can provide a rough estimate of marathon time, but other factors such as weather conditions and individual fitness levels must also be taken into account. It is important to use Yasso 800s in conjunction with other types of workouts to build endurance and improve overall performance. Ultimately, the best way to predict marathon performance is through consistent training, careful planning, and listening to your body.

Incorporating Yasso 800s into Your Track Workout Routine for Marathon Training

Incorporating Yasso 800s into Your Track Workout Routine for Marathon Training

When it comes to marathon training, runners are always on the lookout for effective ways to improve their speed and endurance. One popular method that has gained traction in recent years is the use of Yasso 800s as a marathon predictor. This workout, named after its creator Bart Yasso, is believed to provide a reliable estimate of a runner’s marathon finish time. In this article, we will explore how you can incorporate Yasso 800s into your track workout routine for marathon training.

Yasso 800s are a type of interval workout that involves running 800 meters (or two laps around a standard track) at a specific pace, followed by a recovery jog of equal duration. The idea behind this workout is that the average time it takes to complete the 800-meter intervals can be used to predict your marathon finish time in hours and minutes. For example, if you consistently run your Yasso 800s in 3 minutes and 30 seconds, it is believed that you can aim for a 3 hours and 30 minutes marathon finish time.

To incorporate Yasso 800s into your track workout routine, it is important to first determine your target marathon finish time. This will serve as a guide for the pace at which you should be running your 800-meter intervals. For instance, if your goal is to finish the marathon in 4 hours, you should aim to complete your Yasso 800s in 4 minutes.

Once you have established your target pace, you can begin incorporating Yasso 800s into your track workouts. It is recommended to start with a warm-up jog of about 10-15 minutes to prepare your muscles for the workout. After the warm-up, begin your first 800-meter interval at your target pace. Focus on maintaining a consistent and controlled effort throughout the interval. Once you have completed the 800 meters, take a recovery jog of equal duration before starting the next interval.

As you progress in your training, you can gradually increase the number of Yasso 800s you complete in each workout. A common progression is to start with 4-6 intervals and gradually work your way up to 10 intervals. Remember to listen to your body and adjust the intensity and volume of your workouts accordingly. It is important to strike a balance between pushing yourself and avoiding overtraining or injury.

In addition to helping predict your marathon finish time, Yasso 800s can also be a valuable tool for improving your speed and endurance. By consistently running at your target pace, you are training your body to become more efficient at sustaining that pace over longer distances. This can translate into improved performance on race day.

In conclusion, incorporating Yasso 800s into your track workout routine can be a beneficial strategy for marathon training. By running 800-meter intervals at your target pace and gradually increasing the volume of your workouts, you can not only predict your marathon finish time but also improve your speed and endurance. Remember to approach these workouts with a balanced mindset, listening to your body and making adjustments as needed. With consistent training and dedication, you can set yourself up for success on race day.


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