>>> from atletisme import cursa

---- inici
>>> cursa('100-llisos-M')
(100, 'LL')
>>> cursa('3000-obstacles-F')
(3000, 'OB')
>>> cursa('10000-llisos-F')
(10000, 'LL')
>>> cursa('10km-marxa-M')
(10000, 'MA')
>>> cursa('100-relleus-F')
(400, 'RE')

---- fi