And 10 ( 4.2 % ) hardcore participants finished without a crew and pacer .
Of the survey participants , 21 finished without a crew ( 8.8 % ) and 29 finished without a pacer ( 12.2 % ) .
10 ( 4.2 % ) hardcore participants finished without a crew and pacer .
Of the survey participants , 21 finished without a crew ( 8.8 % ) and 29 finished without a pacer ( 12.2 % ) .