Tourney: Age before beauty? A bike polo battle royale 19.03.2011

<30

1. Mrak (29)
   
2. Max
   
3. John H (28)
   
4. James Brown
   
5. Hassan (27)
   
6. Cedric (25)
   
7. Jono (26)
   
8. Gormz (27)
   
9. Ryan
   
10. Benjamin (28)
    
11. Felix (18)
    
12. Tom (25)
    
13. Dave H (29)
    
14. Ed (21)
    
15. Luca (16)
    
16. Ben
    
17. Turdan (23)
    18.Joe
    
18. Luke (Little! :P)
    
19. Josh (23)
    
20. Rob (26) (Chcr)
    
21. Snoops (22)
    
22. Spikes (27)
    
    

Combined Age: 420

=30

1. V (37)
   
2. Bill (44)
   
3. Gabes (33)
   
4. Cam (31)
   
5. Adrienne (30?)
   
6. Venn (32)
   
7. Andy (35)
   
8. Joni (35)
   
9. B (36)
   
10. Adam (36) (Chcr)
    
11. Chan (30?) (Chcr)
    
12. eggpie (37)
    
13. Todd (32)
    
14. TS (44)
    
15. Lebowski (35)
    
16. PK
    
17. Ray (31)
    
18. Kieran
    
19. Alex (31) (Chcr)
    
20. Otters (36)
    
21. slamm (36)
    

Combined Age: 581

How is this combined age calculated? makes no sense to me.