First, the female trainer's name will be Kotone (コトネ).
They also hint that the special Pikachu in the Yellow Forest PokéWalker course knows Fly.

New Pokéthlon events were revealed.
The first is Catch Saucer and involves you controlling your Pokémon against your opponent to try and grab flying objects being shot across the screens.

The second is called Steel Plug and features you controlling your Pokémon around a course trying to get as many pegs as possible.