review the details below. * runners attempting their first marathon should have at least one year of running…

review the details below. * runners attempting their first marathon should have at least one year of running experience. * training at the race site can help new runners know what to expect from a marathon - length course. * would - be marathon runners must be physically prepared to follow a rigorous training schedule. choose the best topic sentence to introduce a paragraph containing these details. even experienced marathon runners must prepare for the physical and mental demands of running a 26.2 mile course. first - time marathon runners must take steps to prepare themselves for the race. new runners are at a distinct disadvantage if they have never run a marathon race - course before.

review the details below. * runners attempting their first marathon should have at least one year of running experience. * training at the race site can help new runners know what to expect from a marathon - length course. * would - be marathon runners must be physically prepared to follow a rigorous training schedule. choose the best topic sentence to introduce a paragraph containing these details. even experienced marathon runners must prepare for the physical and mental demands of running a 26.2 mile course. first - time marathon runners must take steps to prepare themselves for the race. new runners are at a distinct disadvantage if they have never run a marathon race - course before.

Answer

Breve explicación:

El texto se centra en los pasos que deben tomar los corredores principiantes de maratón para prepararse. La primera opción se refiere a corredores experimentados, lo cual no se ajusta al enfoque del texto. La tercera opción enfatiza una desventaja de los nuevos corredores, pero no aborda la preparación en general. La segunda opción aborda adecuadamente a los corredores principiantes de maratón y su preparación para la carrera.

Respuesta:

First - time marathon runners must take steps to prepare themselves for the race.