loosen the laces so they can dry out faster. resist all urges to throw wet shoes in the dryer to dry them out. this will only break down the leather faster and those shoes won’t last as long as they should. and speaking of drying, avoid throwing running shoes in the washing machine too; they’re not meant to be submerged in water, so instead use a scrub brush and some mild soap for any spot cleaning needed.
try to find a spot for your running shoes that you always keep them in that has good circulation and is away from air vents and heat. this will keep them from breaking down 