Team JHC athletes together on a group ride

JHC Coaching
Expert Triathlon Coaching

For more than 25 years, Jennifer has coached endurance athletes of all abilities, from first-time competitors to podium World Champion athletes. She believes successful coaching starts with understanding the athlete behind the goals, taking the time to learn who you are before writing a single workout.

25+
Years coaching full time
1000s
Athletes coached
Rio '16
Olympic & Paralympic Games

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Coaching all endurance athletes.

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Why athletes train with JHC.

1 of 43
USA Triathlon Level 3, the highest coaching level in the country.
Rio '16
Coached a para-triathlon bronze medalist at the Olympic & Paralympic Games.
225+
Triathlons she has raced herself. She knows every start line.
USA Triathlon certified TrainingPeaks certified coach RRCACertified University of IllinoisAlumna
Jennifer Harrison in JHC race kit holding a Jennifer Harrison Triathlon Coaching sign

A USA Triathlon Level 3 coach.

Jennifer holds a USA Triathlon Level III certification, the highest coaching credential the organization awards, and is one of only 43 coaches in the country to hold this distinction. She has been coaching endurance athletes since 1999.

Over the past 25 years, she has worked with athletes at every level, from first-time racers taking on new challenges to World Championship podium finishers, Kona finishers, and a bronze medalist at the Rio 2016 Olympic & Paralympic Games. As a lifelong athlete who continues to train and compete herself, Jennifer brings not only decades of coaching expertise but also firsthand experience and perspective to every athlete she works with.

Read Jen's story

Jen's athletes.

★★★★★
"Jen is amazing, and I wish I met her 20 years sooner. With her I am usually top five or better in my age group every race, and that is after a major hip injury and a broken shoulder."
Todd WilsonAge-group podiums
★★★★★
"Numerous Ironmans, Kona, the Boston Marathon, 50-milers, even the Leadville 100. Over 20 years Jen has been there for all of it. Her balance of feel and science is second to none."
Dave BartoKona Qualifier and Ultra Runner
★★★★★
"She takes the time to understand not just my training goals but everything else in my life. Her coaching is about becoming a stronger, healthier athlete while keeping balance."
Cathy WoodMultiple National Podium winner
★★★★★
"Coach Jen makes every athlete feel like they are her only athlete. Once you are part of that family, you are surrounded by people who want nothing but the best for you."
Rick Hornstrom70.3 Podium Finisher
★★★★★
"She took a 59-year-old, sedentary me to my first IRONMAN in Madison, and three more finishes after that. I lost 40 pounds and learned to trust my training."
Brett Jackson3× IRONMAN finisher
★★★★★
"Having a coach did not just make me a faster triathlete. It brought sanity to a chaotic schedule of work and two young kids."
Emily Soley-JohnsonMultiple National + World Championships
★★★★★
"Multiple marathon PRs, Boston twice, and four 70.3 finishes with steady improvement every race. You always feel supported and challenged."
Kory BewersdorfBoston qualifier
★★★★★
"Her communicative, down-to-earth coaching made all the difference. I qualified for both the 70.3 and Olympic Distance World Championships."
Heidi BurtonMultiple National and World Qs
★★★★★
"I started with Jen in my early 40s. I am now 60, with multiple age group wins and a trip to Kona, and I still love this sport."
Julia WeisbeckerPerennial AG Champion + Worlds Q
★★★★★
"With Jen I have raced 20 Ironmans, qualified for Worlds three times, and finished 2nd female at Ultraman Canada. She saw what I could do before I could."
Jenny HayesUltraman podium
★★★★★
"Every workout is intentional and built for me and my goals. When Jen coaches you, the whole JHC community is rooting for you."
Emily PotterNew Mom
★★★★★
"Whether you are a die-hard athlete or a weekend warrior, Coach Jen is top notch. She builds a program that fits your specific needs."
Matt DrobneyMultiple AG Winner
★★★★★
"I have worked with Jen for over 15 years and never even considered switching. She anticipates your needs before you do."
Sarah CreweTeam JHC for 15+ years
★★★★★
"Jen has helped me become a better triathlete and a better coach. I could not hope for a better person in my corner as I chase big goals."
Kate AmaralIM LP Age Group Winner
★★★★★
"The hardest working coach in triathlon. She meets you where you are and truly gets the challenges of the masters athlete."
Laura Dickinson-LeeGrand Masters Athlete 70+
★★★★★
"Knowledgeable, patient, and genuinely caring. She knows exactly when to challenge you and when to offer support."
Lori BeckMultiple Ironman athlete
★★★★★
"From local races to Ironmans, if you want to take your performance to the next level, JHC is the way to go. Personalized coaching at its best."
Lee Sebeck
★★★★★
"She coached me to my first IRONMAN. Everything is personalized, and she gets to know you as a person, not just an athlete."
Paul El Zoghbifirst IRONMAN
★★★★★
"Fourteen years with Jen. Twenty years into this sport and we are both still doing it, still healthy, and still loving it."
Jon & Glenda SundbergThe Queen + King of Longevity
★★★★★
"I started as a burned-out runner who did not own a bike. Through Jen's coaching I have qualified for three World Championships."
Brooke McGrathIronman Kona and 70.3 Worlds Qualifier

Coaching you can watch.

All videos
Athletes celebrating on course
How to dial in your race-day nutrition
Athlete finishing a race
Building your first Ironman base
Open water swim group
Pacing by heart rate & power

More than a coach. A community.

Camps, group rides, and race-day support create more than memories. They build a community where athletes feel connected, supported, and inspired.

Team JHC athletes in kitTeam
Training camp swim squadCamps
Athletes with race medalsRace Day
Group ride in the desertGroup Rides

Where you'll find us in 2026.

Races where Coach Jen will be.

Full schedule
AUG 8–9USA Triathlon NationalsMulti
SEP 13IRONMAN WisconsinMadison, WI140.6
SEP 20Michigan 70.3Michigan70.3
OCT 11Chicago MarathonChicago, IL26.2

Work with Jen Harrison.

Every athlete's journey is unique. Share your goals, your experiences, and what you're working toward next. Jennifer personally reviews every inquiry and will connect with you directly. The first step is simply a conversation, learning about your goals and whether JHC Coaching is the right partnership to help you get there.