The excited-state dynamics of both carotenoid (Car) and bacteriochlorophyll (BChl) in the LH2 complex from Rhodobacter sphaeroides GIC were simultaneously probed by subpicosecond time-resolved absorption spectroscopy in the visible and near-infrared regions. By the use of a four excited-state model, where the 1B(u)(+) and 1B(u)(-) states were treated inclusively as the '1B(u)' state, the time constant and the efficiency partition of Car-to-BChl singlet-energy transfer were determined to be 67-114 fs and 60-74% for the '1B(u)' channel, and 1.39-1.42 ps and 24-38% for the 2A(g)(-), channel, when a time constant of 170-190 fs was assumed for the 1B(u)-to-2A(g)(-) internal conversion.