From the video's description:
Western Oregon Sara Tucholsky hit her first career HR with the help from Central Washington - ultimate sportsmanship. She tore her ACL running back to 1st as she missed it initially. Ump she if didn't run the bases by herself, the HR wouldn't count. If her teammates touched her, it would be void.
The opposing team saw her pain and did the unexpected, they picked her up and helped her touch each base.
Central Washington lost the game, 4-2
Sportsmanship at its best.