Modern pentathlon competitions at the 2011 Pan American Games in Guadalajara was held from October 15 to October 16 at the Hipica Club. The sport became the first sport to be completed out of the 36 sports on the program.
<small>All times are Central Daylight Time (UTC-5).</small>
There is a quota of 40 athletes (24 male, 16 female) (however one spot over quota for each gender was allowed); Mexico as the host country is guaranteed a full team of four athletes (two men and two women). Qualification is done on a country basis, not an individual basis.