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  • did the ballbster duathlon on Saturday, and during the second run, I really struggled to pick up my pace after the initial freezing numb feet wore off, I just couldn't go any faster, which is not something I've experienced before.

    I (along with everyone else) was very cold after the bike, but going up box hill on the final run my heart rate increased from mid 150s up to mid 160s but then despite trying harder I wasn't going any faster and heart rate wasn't rising either, but when I had to sprint to avoid getting overtaken in the last 400m it went up no problem.

    I know some of this is fatigue, but if anyone else has experienced this...?

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