>>> from marathon import time_under

>>> lt = [('Gebrmariam', 7694, 'ETH'), ('Mutai', 7758, 'KEN'),
...       ('Kipkosgei', 7839, 'KEN'), ('Goumri', 7851, 'MAR'),
...       ('Kwambai', 7891, 'KEN'), ('Keflezighi', 7898, 'USA'),
...       ('DosSantos', 7911, 'BRA')]

>>> time_under(lt,7700)
True
>>> time_under(lt,7650)
False
>>> lt = [('Gebrmariam', 7694, 'ETH'), ('Mutai', 7758, 'KEN'),
...       ('Kipkosgei', 7839, 'KEN'), ('Goumri', 7851, 'MAR')]
>>> time_under(lt,7600)
False
>>> lt = [('Gebrmariam', 7694, 'ETH'), ('Mutai', 7758, 'KEN'),
...       ('Kipkosgei', 7439, 'KEN'), ('Goumri', 7851, 'MAR')]
>>> time_under(lt,7600)
True