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Discussion Starter · #1 ·
Bit of background - 47-years-old, max HR is 182, can avg 168 for 2hrs; ride 3-4 days/week - typical stuff, e.g. weekday 25 miles, saturday 50-75

Past couple weeks, I've just been slow. I can't figure it out. I feel fine - healthy, sleeping great, stress is moderate level.

The only quantifiable data points are:
- Just not seeing the top end of the HR range. I feel like I'm maxed, look down and see 162 or 168 BPM... not 175, 177, etc.
- Power average is off by maybe 5-8%

If I had a carburator, I'd say the butterfly isn't opening all the way.

Any clue what's going on? Am I just in a valley? Getting old?
 

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Discussion Starter · #7 ·
This is good feedback - thanks guys. I eased up for Tuesday's ride, and am taking the rest of the week off. Hoping a 4-day break is enough... really hate not riding ;-)
 
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