Youngest and oldest competitors
The average age of the 47 riders on the startlist is 25y + 352d. The median age is 25y + 93d (the median represents the middle value and handles outliers better).
Youngest
Who are the youngest competitors at the start date of Challenge des phosphates-Grand prix de Ben Guerir 2012?
| # | Rider | Team | Age | 
|---|---|---|---|
| 1 | KOLÁŘ Michael | DUK | 19y + 106d | 
| 2 | HADJBOUZIT Karim | VCS | 21y + 55d | 
| 3 | YOSHIDA Hayato | BGT | 22y + 322d | 
| 4 | BENYOUCEF Abdallah | GSP | 24y + 361d | 
| 5 | SYS Klaas | BGT | 25y + 127d | 
| 6 | CHABANE Redhouane | VCS | 25y + 170d | 
| 7 | LAGAB Azzedine | GSP | 25y + 200d | 
| 8 | SONNERY Blaise | BGT | 27y + 15d | 
| 9 | FRAZER Mauricio | STF | 28y + 72d | 
| 10 | MADANI Abdelmalek | GSP | 29y + 37d | 
| 11 | SHIMIZU Miyataka | BGT | 30y + 134d | 
| 12 | MIRANDA Manuel | STF | 30y + 325d | 
| 13 | INOUE Kazuo | BGT | 31y + 48d | 
| 14 | ZUGASTI Ibon | STF | 39y + 110d | 
Oldest
Who is the oldest competitor?
| # | Rider | Team | |
|---|---|---|---|
| 1 | ZUGASTI Ibon | STF | 39y + 110d | 
| 2 | INOUE Kazuo | BGT | 31y + 48d | 
| 3 | MIRANDA Manuel | STF | 30y + 325d | 
| 4 | SHIMIZU Miyataka | BGT | 30y + 134d | 
| 5 | MADANI Abdelmalek | GSP | 29y + 37d | 
| 6 | FRAZER Mauricio | STF | 28y + 72d | 
| 7 | SONNERY Blaise | BGT | 27y + 15d | 
| 8 | LAGAB Azzedine | GSP | 25y + 200d | 
| 9 | CHABANE Redhouane | VCS | 25y + 170d | 
| 10 | SYS Klaas | BGT | 25y + 127d | 
| 11 | BENYOUCEF Abdallah | GSP | 24y + 361d | 
| 12 | YOSHIDA Hayato | BGT | 22y + 322d | 
| 13 | HADJBOUZIT Karim | VCS | 21y + 55d | 
| 14 | KOLÁŘ Michael | DUK | 19y + 106d |