The sport   →   The person

1.  →  boxer

2. swimming  → 

3. skiing  →   

4.  →  ice-skater

5.  →  gymnast

6. athletics  →  

7. motor racing → racing 

8. cycling →  

9.  → jockey

10. the pentathlon → 

11.  →  yachtsman

12. rowing → 

13.  → sky diver

14. weightlifting → 

15.  → climber

The sport → The person

1. boxing → boxer

2. swimming → swimmer

3. skiing → skier

4. ice-skating → ice-skater

5. gymnastics → gymnast

6. athletics → athlete

7. motor racing → racing driver

8. cycling → cyclist

9. horse racing → jockey

10. the pentathlon → pentathlete

11. sailing → yachtsman

12. rowing → rower

13. sky diving → sky diver

14. weightlifting → weightlifter

15. climbing → climber