Training for a Marathon Before a Full Distance Triathlon: Key Considerations
Training for a marathon before an IRONMAN can be challenging but rewarding. Effective training planning is essential to ensuring optimal performance in both events while minimizing fatigue and injury risk.
The Ideal Gap Between a Marathon and IRONMAN
The ideal gap between a marathon and IRONMAN is 10 to 12 weeks. This time frame allows for adequate recovery after the marathon and sufficient time to re-focus on IRONMAN-specific training.
Key Training Considerations
1. Full Distance Triathlon as Your A-Race
For most athletes, the Full Distance Triathlon will be the primary focus of your season. The sheer volume and intensity of the training required for an IRONMAN make it the most demanding event. As such, it should be considered your A-Race.
The marathon will be a secondary race, a B-race, designed to support your IRONMAN preparation without distracting from your ultimate goal. It is an excellent opportunity to test your endurance and running performance, and you can still perform well if the gap is ideal.
2. Managing Training Volume and Intensity
Training for both a marathon and a Full-Distance Triathlon within the same season requires careful management of training volume. While marathon training demands a significant focus on running, Full-Distance Triathlon training requires balanced attention to all three disciplines.
- Z2 Run Midweek: One way to manage this balance is by incorporating an additional Zone 2 (Z2) run midweek. This low-intensity run will help maintain your aerobic base without overloading your body. It should be steady and easy-paced to increase your overall running volume and improve endurance without causing undue fatigue.
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Long Run Extension: As you prepare for the marathon, gradually increase the duration and intensity of your long runs. However, ensure the duration doesn’t exceed 2 hours and 45 minutes, and avoid increasing your run distance by more than 10% each week. It's also important to incorporate recovery weeks. This approach helps you build marathon-specific endurance safely without overloading your body or risking burnout.
3. Adjustments for Marathon Preparation
You may need to adjust your overall training plan to increase your running volume, as above. If you are struggling with fatigue or are time-pressed, consider skipping a workout—choose an optional workout (if in your plan) or one that will provide you with the least gains for the triathlon.
4. Avoiding Overtraining and Injury
A major concern when training for both events is the potential for overtraining or injury. Be mindful of fatigue, and ensure you take the time to rest and recover after key workouts. Overuse injuries can arise if you don’t manage your workload effectively, so keep an eye on your physical and mental fatigue levels.
4. Recovery After the Marathon
After completing the marathon, allow adequate recovery time before diving back into the high volume required for Full Distance Triathlon training. Recovery could take 1 to 2 weeks, depending on how your body responds to the marathon effort. During this period, reduce the intensity of your workouts and focus on lighter activities such as swimming, cycling, and easy running.
3. Transitioning Back to Triathlon Training
Once fully recovered from the marathon, you can transition back to the Full Distance Triathlon-specific training in your plan. Pay close attention to your recovery needs as you restart, as your body may still be adjusting after the marathon.
Learn More: Including 'B/C' Races Into Your Plan
Conclusion
Training for a marathon before an IRONMAN is achievable with proper planning, especially if you have an ideal gap of 10 to 12 weeks between the two events. The marathon can be a solid stepping stone in your preparation, but the IRONMAN should be your primary focus.
By incorporating an extra Z2 run during the week, extending your long run (capped at 2:45), and managing your overall training load, you can safely increase your run volume before the marathon while avoiding overtraining. Remember to prioritize recovery after the marathon and gradually transition to triathlon-specific training.
Check out this video, where triathlete Ant Gritton explains how he included his Marathon training block while maintaining readiness for Full-Distance Triathlon training.
Copyright MyProCoach™ Ltd © May 2018. All rights reserved
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