The person who finished in third place the last time this event happened we
The person who finished in third place the last time this event happened went on to win the seniors division at the Berlin Marathon but have his title stripped for cheating. Another candidate represented the Coalition for the Good of All, headed by his own Party for the (*) Democratic Revolution. Despite allegations of fraud, the National Action Party candidate took office. For 10 points—  name this process which put Felipe Calderón in office.
The person who finished in third place the last time this event happened went on to win the seniors division at the Berlin Marathon but have his title stripped for cheating.
2006 Mexican presidential election (accept obvious equivalents)