Story perspectives

Champion Runner Reveals Secrets to Marathon Success

10/10/2025

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Summary

Story summary

Emily Infeld, the national champion in the women's 10,000 meters, uses double threshold training to boost aerobic capacity.
Coach Jon Green emphasizes proper pacing and volume and says intervals should fall between 800 meters and two miles.
Beginners should start with shorter intervals.
The goal is to maintain a consistent effort to improve endurance and speed.
Successful execution of double thresholds can lead to significant gains in marathon training.

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Story summary

Emily Infeld, the national champion in the women's 10,000 meters, uses double threshold training to boost aerobic capacity.
Coach Jon Green emphasizes proper pacing and volume and says intervals should fall between 800 meters and two miles.
Beginners should start with shorter intervals.
The goal is to maintain a consistent effort to improve endurance and speed.
Successful execution of double thresholds can lead to significant gains in marathon training.