The models presented so far don't describe individual quarks.

Rather, nuclear particles (the protons, antiprotons, neutrons, and antineutrons) are a soup of quarks and gluons that, on average, add up to a specific number of quarks.

So, yeah... for a basic understanding, watch this: https://www.youtube.com/watch?v=WZfmG_h5Oyg

To answer your question: We're firmly outside of the ideas we're familiar with when we think of particles. There is no concept of simultaneity at this scale; you need to rely on probabilities only.