Orphan Black
Soccer Field
Sarah follows Alison to her kids' soccer practice and confronts her in episode 1x02 “Instinct”.
Source: Orphan Black — Wikia
Skating Rink
Alison goes to coach skating only to find Aynsley is trying to take over for her, she then sleeps with Aynsley's husband in the parking lot in episode 1x08 “Entangled Bank”.
Source: Orphan Black — Wikia
Outside Classroom (U of M)
Cosima talks to Sarah who is at the crime scene in episode 1x03 “Variation Under Nature”.