Maybe bigger platforms,...
I agree with dysfunction and others here...
I'd say try using a larger pedal with more area to spread the load out over more of your foot.
Maybe try standing on a different part of your foot or shift your weighting??
Also are your flats actually flat? Maybe try one of those concave type. Or vis a versa.
Are your 5.10s as stiff as they should be? Floppy soles=foot fatigue
What part of your foot hurts? Are you feeing the pins or axle through the sole?
New high quality insoles can feel amazing and can also cost 1/3 of a new shoe!
For a while I was sessioning a set of jumps, and other than scrubbing on my knee a lil, it was my feet that ended up being my weak link. (for the record, was riding 130mm/ht, with pre-addias 5.10 Impacts)
I also noticed I was leaking some youth and age was getting in.