Coach Details

Rob Whitehead
Slowtwitch Performance
Ballwin, MO
  • Metabolic Assessments-VO2
  • Swim stroke video analysis
  • Endurance coaching
  • Nutrition
  • Personal Training.- In home, preferred gym or outdoors.
  • Bike fit.
  • Bike spin scan analysis. (Computrainer)
Half Ironman
New Athlete
Hawaii Ironman qualifiers

Unsure of how to get the ultimate race performance from your training efforts?

We offer the following Services that are GUARANTEED to improve your performance or your money back.

Rob is originally from Australia and has been competing in Triathlon for 20 years including about over 200 races. These included 7 Ironman Triathlons, qualifying for the Ironman Triathlon World Championships in Hawaii, Ironman 70.3 World Championships as well as 2 Ultra marathon 100k races.

As well as Competing in Triathlon he has coached several junior Triathletes' as well as played and coached Australian Rules Football.

Since 2003 Rob has worked as a Personal Trainer, mainly focusing on endurance athletes.

In order for Rob to offer his services, knowledge and experience, he requires a commitment to having Metabolic Vo2 testing and the use of a heart rate monitor to help you monitor and achieve your results.


  • NASM Certified Personal Trainer 2006
  • AFPA Certified Personal Trainer 2003
  • USAT Triathlon Level 1
  • Certified Spinning Instructor 2005
  • American Heart Association First Aid/CPR/AED
  • Certified Nutrition Works Fitness Nutrition Specialist 2006
  • Australian Institute Fitness -- Strength and Conditioning 2001
  • New Leaf Metabolic Specialist. 2009
  • Endurance Coach since 1998


  • 2011 Ironman Louisville Triathlon 10h39m
  • 2010 Ironman 70.3 World Championships
  • 2009 Ironman Louisville Triathlon Finisher
  • 2009 Ironman Arizona Triathlon Finisher
  • 2006 St Louis 12 Marathon 40-44 Champion
  • 2003 New Zealand Ironman Triathlon Finisher
  • 1998 Hawaii Ironman Triathlon World Championship Finisher
  • 1998 Australian Ironman Triathlon Finisher; PB 9h 54m 40s
  • 1996 Australian Ironman Triathlon Finisher
  • 2000 & 2002 Trailwalker 100k Ultra marathon; 1st and 2nd place team 180 Triathlons
  • 2000 Sydney Olympics Triathlon & Marathon Volunteer
  • Former Australian Rules football player and coach
  • Former Triathlon Australia Coach
  • Personal Trainer since 2003.