You may want to do the same if you're looking for a long term
100 mile horse. The investment in time - and the emotional investment
as well - is so great. 
good luck - tell me more about your ride! (did she spook much?)
Steph
>>>>> "Michael" == Michael K Maul <mmaul@micro.ti.com> writes:
    > several months ago - i posted an ad looking for an additional
    > horse for endurance riding.  i was looking for a horse with
    > endurance experience, 7 yo or so, from the hot humid south where
    > i compete.  for the past month - i have been leasing a mare that
    > seems to fit what i am looking for reasonably well.  she is an
    > arab and about 15 1 hh, raised in louisiana.
    > she has 310 aerc miles on her now - 100 of them with me and we
    > came in 3rd yesterday and BC in the longleaf ride in mississippi
    > in the 50.  there were only 13 in the 50.
    > i would like to ask the group if anyone has any experience with
    > the only potential problem that i see in her.  when she was 2
    > months old - apparently her right front leg was "too upright" -
    > whatever that means.  the owner had surgery done which clipped
    > one branch of the check ligament.  today she has a thickened
    > area both inside and outside on the leg at the top that looks
    > like scar tissue.  it does not seem to affect her but i wondered
    > what the longterm effect may be on a horse that i would like to
    > compete in 100s for a good number of years.
    > mike maul mmaul@micro.ti.com houston, tx