hi.now the 3 longest races.
1 the human race.
(all living people)
2 the lonest race run under national hunt rules.
(the oxford & cambridge boat race).its run under n,h,rules.
3 the longest race horse race run under national hunt rule.
(the grand national).its run just after the flat season has started.
im sorry if there not the answers you whee looking for,but they are the anwsers.
take care
ian jones
to R1GEEZER...
the oxford boat racer is run under national hunt rules because they weigh in at the start and weigh in after they finish.
then there objections.ie..
taking the other rowers ground.