/ Quizzes How Far, How Long? Quiz See if your knowledge of your favorite sports measures up. by Beth RowenWant to learn more about stadiums? Visit Major League Ballparks! Question 1 (out of 10): A marathon is how long? 155 miles 25 miles 262 miles 10 miles More Quizzes from Factmonster: Try another Sports Quiz ! Quiz Archive FEN Learning is part of Sandbox Networks, a digital learning company that operates education services and products for the 21st century.