Here's the minimum amount of points you need in all of the training games, if you plan on running All Training Medals.
Tennis:
Returning Balls -Bronze: 12 Points -Silver: 25 Points -Gold: 50 Points -Platinum: 80 Points
Timing Your Swing -Bronze: 7 Points -Silver: 15 Points -Gold: 30 Points -Platinum: 50 Points
Target Practice -Bronze: 5 Points -Silver: 10 Points -Gold: 20 Points -Platinum: 40 Points
Baseball:
Hitting Home Runs -Bronze: 5 Home Runs -Silver: 8 Home Runs -Gold: 10 Home Runs -Platinum: 10 Home Runs (W/ 5,650 ft.)
Swing Control -Bronze: 25 Points -Silver: 40 Points -Gold: 55 Points -Platinum: 65 Points
Batting Practice -Bronze: 15 Points -Silver: 20 Points -Gold: 27 Points -Platinum: 30 Points
Bowling:
Picking Up Spares -Bronze: 7 Stages -Silver: 12 Stages -Gold: 17 Stages -Platinum: 20 Stages
Power Throws -Bronze: 450 Points -Silver: 500 Points -Gold: 600 Points -Platinum: 700 Points
Spin Control -Bronze: 7 Stages -Silver: 12 Stages -Gold: 17 Points -Platinum: 20 Points
Golf:
Putting -Bronze: 5 Stages -Silver: 7 Stages -Gold: 10 Stages -Platinum: 10 Stages (No Mistakes)
Hitting the Green -Bronze: 492.1 ft. -Silver: 246 ft. -Gold: 164 ft. -Platinum: 65 ft.
Target Practice -Bronze: 200 Points -Silver: 400 Points -Gold: 600 Points -Platinum: 800 Points
Boxing:
Working the Bag -Bronze: 15 Points -Silver: 26 Points -Gold: 35 Points -Platinum: 40 Points
Dodging -Bronze: 50 Points -Silver: 65 Points -Gold: 80 Points -Platinum: 85 Points
Throwing Punches -Bronze: 30 Points -Silver: 45 Points -Gold: 60 Points -Platinum: 70 Points