The 2011 IAAF World Challenge was the second edition of the annual, global circuit of one-day track and field competitions organized by the International Association of Athletics Federations (IAAF). The series featured a total of fourteen meetings – one more than the previous year as the Jamaica International Invitational was added to the schedule.IAAF World Challenge Calendar 2010. IAAF. Retrieved 2019-09-01.IAAF World Challenge Calendar 2011. IAAF. Retrieved 2019-09-01.
