I'm so picky about my running leggings bc they have to compress just enough, be the right length, and STAY UP during runs (nothing i hate more than shorts that ride up or leggings that fall down)
honestly most of my sports bras are Burlington or Mashall's finds so they're discontinued styles from Nike, Adidas, New Balance, etc. but these are some I've really liked that last! (just FYI I'm an itty bitty girl so don't necessarily take these rec...
I def recomment getting fitted for sneakers, especially if you'll be training for longer races (half or full marathon) - but these are my favs right now! for reference I'm a mid-forefoot striker, but I think these would both also work for heel strike...