Cyclists await the start of a race.
People on bikes are waiting to go in a race.
People waiting to race is a rephrasing of cyclists await a race.
exists e1 x1 x2 x3.(n_start(x2) & Theme(e1,x2) & Actor(e1,x1) & v_await(e1) & of(x2,x3) & n_race(x3) & n_cyclist(x1))
exists e1 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2 x3.(in(e2,x3) & n_race(x3) & Actor(e2,x1) & v_go(e2)) & on(x1,x2) & n_bike(x2) & n_people(x1))