The clinic at LMH will include information on triathlon training, including a segment on "cycling stronger."
Tinley, a triathlete since 1976, has competed in more than 400 events.
A free sports expo and race packet pickup will be held from noon to 5 p.m. today at LMH.
The entrance to Lone Star Lake will open at 6:30 a.m. Sunday and close at 8 a.m. The race will start with a pro heat at 8:30 a.m.