About Us.

We empower athletes to dream big, as we embrace endurance sport to improve our lives and the lives of others.
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The number 121 comes from the Bible verse, Hebrews 12:1, which encourages us to "run with perseverance the race marked out for us." 121 Tri Coaching emphasizes the importance of endurance, focus, and resilience. By encouraging athletes to let go of every hindrance and persist through their training journey, I guide my athletes to discard physical and mental barriers, focus on their training with dedication, and endure through every challenge, aiming for excellence both on and off the racecourse. 

Coach Jason

  • USAT Level 1 Certified Coach
  • Long Distance Area of Focus
  • TrainingPeaks Level 2 Certified Coach
  • 80/20 Endurance Certified Coach
Jason Millsaps has been participating in triathlons since 2012. He initially engaged in occasional 5K races on holidays, without focusing on healthy eating or consistent training, which led to weight gain and a lack of energy. Determined to improve his health and set a new goal, Jason aimed to complete a half distance Ironman (70.3). However, after meeting with a local triathlon coach, Scott Bennefield, he was encouraged to sign up for a full distance Ironman (140.6) and train for 12 months. During that year, he lost 50 pounds and regained his vitality. In November 2013, Jason completed his first full distance Ironman at Ironman Arizona and became hooked. He then set a new goal to compete in the pinnacle Ironman race in Kona, Hawaii. Since 2013, Jason has completed 16 full Ironman distance races, including the 2024 World Championship Ironman in Kona, Hawaii and 2025 World Championship Ironman in Nice, France. He has completed 13 half Ironman distance races and numerous 5K, 10K, and Sprint Tri races. Jason is married to Andrea (23 years) and has two teenage boys. Despite working full-time, he continues to find time to train and compete and is eager to help others achieve their long-distance triathlon goals.

Race Finishes
16X IRONMAN 140.6 Finisher
2013 Ironman Arizona 
2014 Ironman Louisville, KY
2015 Ironman Texas (The Woodlands)
2016 Ironman Florida (Panama City, FL)
2017 Ironman Florida (Panama City, FL)
2018 Ironman Texas (The Woodlands)
2018 Ironman Florida (Panama City, FL)
2018 Ironman Chattanooga, TN
2019 Ironman Texas (The Woodlands)
2019 Ironman Florida (Haines City, FL)
2021 Ironman Lake Placid, NY
2021 Ironman Arizona
2022 Ironman Waco, TX
2023 Ironman Tulsa, OK
2024 World Championship Kona, Hawaii
2025 World Championship Nice, France
13X IRONMAN 70.3 Finisher
2013 Ironman Florida (Haines City) 
2014 Rev 3 Knoxville
2014 Rock n Roll Georgia 
2015 Hits Ocala, FL
2016 Hits Naples, FL
​2016 Florida Challenge Clermont, FL 
2016 Ironman Gulf Coast, FL
2016 Ironman Augusta, GA
2017 Hits Naples, FL
2017 Ironman Florida (Haines City)
2020 Daytona Clash 
2021 Daytona Clash
2024 Ironman ​Gulf Coast, FL
Additional Accomplishments

Swim For Your Life 5K Open Water Swim
September 2014 (Lake Lanier Islands - Atlanta, Georgia)

1-Day SOLO RIDE Across Florida (150 Miles)
July 7, 2015
121 TRI COACHING