Martin Kiptolo Lel is a Kenyan professional long distance and marathon runner. He won the London Marathon in 2005, 2007, and 2008, the New York City Marathon in 2003 and 2007 and the Great North Run in 2007 and 2009. His personal best time, as of April 2008, is 2:05:15, which he ran in the 2008 London Marathon setting a course record. Lel is coached by Claudio Berardelli and lives in the Rift Valley region of Kenya.

The Rock 'n' Roll New Orleans Marathon & 1/2 Marathon was an annual international road running marathon hosted in New Orleans, Louisiana, United States, between 1965 and 2022. It was part of the Rock 'n' Roll Marathon Series organized by Advance Publications' Ironman Group. The Ironman group announced in September 2022 that it was canceling all future running events in New Orleans due to conflicts with the city over routing and police staffing.