Team-In-Training (TNT) is the signature fund and awareness raising program supporting the Leukemia and Lymphoma Society mission to cure blood cancers and improve the lives of patients and their families. TNT is also the world's largest endurance sports training program. The Leukemia & Lymphoma Society's Team In Training has trained more than 10,000 southern California residents to run or walk a marathon or half marathon. All participants are involved in a lifesaving mission: Cure leukemia, lymphoma, Hodgkin's disease and myeloma, and improve the quality of life of patients and their families.