review the details below.\n• would - be marathon runners must be physically prepared to follow a rigorous…

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

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

Answer

Brief Explanations:

The details focus on first - time marathon runners and their preparation steps like training schedule, training at race site and having running experience. The first option encompasses these details as a topic sentence. The second option is about experienced runners, and the third option emphasizes the disadvantage of new runners rather than preparation steps.

Answer:

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