Sunday July 15th, 2018
1 km Swim - 23 mile Bike - 4.4 mile Run

500 m Swim - 12 mile Bike - 2 mile Run

The Swim Start at Marble Falls Triathlon

This is our 18th year running the Marble Falls Triathlon!

Join us for a truly scenic and challenging course through the beautiful hill country area surrounding the city of Marble Falls. Swim in the warm freshwater of Lake Marble Falls, bike through the scenic hill country steeped with vistas, and then finish with a run through the quaint lakeside neighborhood of Marble Falls.

After the race enjoy a hearty, post-race lunch of pizza from a local Italian restaurant.

This event is chip timed and USAT sanctioned.

Online Registration is NOW OPEN!!


2018 Online Registration Closes
Wednesday July 11, 2018 at 5:00 PM*
* You can still register IN PERSON at any of the
packet pickup locations and times listed below

Register online for the race

Packet Pick-up

  7/13/2018 7/14/2018
  Austin Tri-Cyclist Holiday Inn Marble Falls
  923 Barton Springs Rd. 714 Corazon Dr.
  Austin Marble Falls
  (noon-7PM) (noon-5PM)
All participants MUST have an annual USAT membership or a single day permit. IF YOU DO NOT HAVE YOUR ANNUAL USAT MEMBER CARD, YOU WILL BE REQUIRED TO PURCHASE A ONE DAY $15 PASS  or an Annual Pass for $50(cash/check only).


Come experience for yourself a race location renowned for scenic vistas, beautiful waterways, and lush rolling hills! Visit for tourism info to help you plan your race weekend in Marble Falls.
Escape to Marble Falls.  Then escape in it.