Brother and sister's bond unbreakable on the CapTex Tri course

Austin (KXAN) -- The 32nd annual CapTex Tri officially in the books. But among the athletes today, was a very special brother-sister duo who have faced many challenges together.They were two of thousands taking on the triathlon on this Memorial Day. Austin woman to carry brother, a wheelchair user, through CapTex TriathlonThe challenges they have faced at times much harder moments than the swimming, biking and running on the course."I had leukemia. I was diagnosed at 18 months old, and it was a