1. Turtle won the race.
2. Turtle won the race against Rabbit.
3. Turtle won the race with Rabbit.
4. Turtle beat Rabbit in/at the race.
(Are they all grammatical? Would you correct any errors? And some more useful expressions? Thank you.)
2. Turtle won the race against Rabbit.
3. Turtle won the race with Rabbit.
4. Turtle beat Rabbit in/at the race.
(Are they all grammatical? Would you correct any errors? And some more useful expressions? Thank you.)