If you read through this and finish it thinking that it feels unfinished . . . well, you'd be right.
If you read through it and finish thinking that you could swear there are hints of snarry overtones . . . well, you'd be right again.
The story itself isn't snarry, but it was written for the Snarry Swap 16, and it was supposed to be heading that way, if not outright ending up there. However, as it is, I think it works quite well as a gen fic, heading towards civility, or possibly even actual friendship.
Prompter asked for "Sports!AU or if you feel like it, Olympics!AU. Severus and Harry as sportsmen (or trainers, or staff, or whatever)."
Also **WARNING** for brief but traumatic description of character and animal death.