Gym Mission
The first Pokemon Gym in both Pokemon Sword & Shield is found in Turrfield, and its a Grass Type Gym. The Mission for this Pokemon Gym sees players having to herd a group of Wooloo from one side of fields to the pens on the opposite end. Each field contains trainers that will battle you if spotted, and some even have Yamper that will attempt to scare the Wooloo and cause them to scatter. However, by defeating the trainers, the Yamper will stop running around.
Gym Trainer Samuel: Level 16 Gossifleur
Gym Trainer Mark: Level 16 Budew, Level 17 Oddish
Gym Leader Leah: Level 17 Bounsweet, Level 17 Oddish
Gym Stadium
After defeating the Mission, you will go on to face the Gym Leader, Milo. Like the Pokemon Gym, he is a Grass Type Trainer. He has two Pokemon, and the final one he'll send into battle, Eldegoss, will have the ability to Dynamax.
Gym Leader Milo: Level 19 Gossifleur, Level 20 Eldegoss
By defeating Milo, you will earn the Grass Badge. With it, you will have the ability to catch Pokemon up to Level 25. You will also receive TM10 (Magical Leaf) and the Grass Uniform.
Now that you know about the first Pokemon Gym, Click Here to learn about the second Pokemon Gym you'll face!