%0 Journal Article %T FEMALE ATHLETES' SPECIALIZING IN ULTRA-LONG TRACK-AND-FIELD DISTANCES ENERGY PROFILE OFFUNCTIONAL FITNESS PECULIARITIES %A Ovsyannikova, A.V. %A Makarova, N.V. %K ultra-long distances, running 24 hours, walking 50 km, athletes, functional fitness, energy profile, training loads %J Scientific notes of P. F. Lesgaft University %D 2023 %N 0 %P 6 %I National State University of Physical Education, Sports and Health named after P.F. Lesgaft