performance during the marathon and distance running. Improper hydration, inadequate fueling or
both can lead to poor performances and even serious medical consequences. The key to any
successful run is to develop a fluid and fueling strategy to be used during training and implemented
during a race particularly the marathon or other ultra-endurance events. Click on the links below to
find out more information on fueling and hydration.
Press release: USATF announces major change in hydration guidelines
IMMDA Advisory Statement on Guidelines for Fluid Replacement During Marathon Running (PDF)
Tim Noakes, MBChB, MD, FACSM March 2002
Proper Hydration for Distance Running - Identifying Individual Fluid Needs (PDF)
Douglas J. Casa, PhD, ATC, FACSM April 2003
USATF Self-Testing Program for Optimal Hydration (PDF)
Fluids on Race Day (PDF)
Lewis G. Maharam, MD, FACSM
