Originally Posted by
frantik
yes, it commonly happens after i climb an overpass or do an all out sprint. it's usually after i have stopped exerting myself but i'm still breathing heavily because i'm tired. they i will start to get dizzy
I'm familiar with controlling hyperventilation when not doing exercise, it's really hard to slow your breathing when you've just done a bunch of strenuous work
It's not clear that you're hyperventilating vs simply recovering from an anaerobic effort. Everyone breathes hard after a sprint. The dizzy feeling could be explained by your stopping after a hard effort. It's not uncommon for people to feel light headed with an associated drop in blood pressure if they stop immediately after a hard effort.
Rather than stopping, keep pedaling at an easier pace after a hard effort. Your breathing will still be heavy for a couple of minutes while you recover but you shouldn't feel dizzy.