Newton Dominey: a tall, athletic-looking rock climber with legs for days.
Daniel Nathan: a medium-sized middle of the pack (trail) runner who will never have any more kids.
Stephen "Peanut" Bohn: a hobbit who throws himself into really ridiculous races just to see what happens... Kinda like Sam at the end of "Fellowship of the Ring" when he chases after Frodo who has decided to go to Mordor alone and Sam runs after him only to find out he can't swim. What? This ain't a dating website.