Originally Posted by
AzTallRider
1. Take a rest day or two each week, riding longer on the days you do ride to make up for it.
2. Drink a recovery drink with protein after each ride (protein is needed to rebuild muscles).
...
Excellent advice
Originally Posted by
stapfam
...down to the gym for a cardio workout twice a week for an hour at a time and a little bit of weights training on the legs- and shoulders.
Also excellent advice.
I'd bet that these alone will fix your problem.
And the heat, of course, definitely slows most of us down...