Alrighty, I'll be able to get all the screenshots named once they're up, but for now here is what I gleaned from watching the promo:
Trampoline is at Apex Trampoline Park in the north end of the city.
The Detour (tipi or hoop dance is NOT in the same place as the photos and video we have of the Red River Jig). Looks like it could be Wanuskewin, though springtime in saskatoon, everywhere looks the same.
Large "castle" like building is the Delta Bessborough, the hotel where teams were housed for the night (producer showed up on Grindr that night and I could tell they were in that hotel based on distance from me).