To be a MR25 member, one has to do a 5km time trial (4.8km for ladies) below 25 minutes, on a Cross-Country course.
Time trials are held every even month. You have 3 months to decide once you are qualified to be a member after which it will expire and you are required to redo your time trial.
Based on the time trial, members are categorize into a hierarchy of 9 animal type.
Cheetah (<17’00″)
Gazelle (17’00″ – 17’59″)
Ostrich (18’00″ – 18’59″)
Hare (19’00″ – 19’59″)
Horse (20’00″ – 20’59″)
GreyHound (21’00″ – 21’59″)
Deer (22’00″ – 22’59″)
Tortise (23’00″ – 23’59″)
Snail (24’00″ – 24’59″)