By Gary Dzen/Boston.com Staff

The Olympics are a celebration of remarkable athletic achievements. The results can be spectacular, from the dominance of swimmer Michael Phelps (below, left) to the clutch performances of American gymnasts Aly Raisman (top) and Gabby Douglas. After training for so long and finally accomplishing their goal, many athletes display their emotions for all to see. We rounded up some of the best photos from these Olympic Games that capture the thrill of winning it all.