About Jill
Jill Bartholomew is a certified triathlon coach, accomplished endurance athlete, and former technology executive, driven by a passion for helping others unleash their fiercest potential. As the founder and owner of Be Fierce Multisport, she offers structured, supportive, and data-driven coaching to empower athletes of all levels.
Coaching Certifications
- IRONMAN U, USA Triathlon (USAT)
- U.S. Masters Swimming
- TriDot Pool School Instructor
Personal Experience
An avid triathlete herself, Jill has competed in multiple IRONMAN World Championships. She has already qualified for both the 2025 IRONMAN World Championship in Kona, Hawaii, and the 2025 IRONMAN 70.3 World Championship in Marbella, Spain, bringing firsthand experience and a fierce competitive spirit to her coaching. She is also a 2025 IRONMAN Foundation Ambassador.
More About Jill
Jill also hosts the Be Fierce & Tri podcast (formerly Be Fierce Multisport), where she shares genuine conversations and inspiration from the endurance community. Known as @thetrimom on Instagram, she reaches thousands with her authentic storytelling and empowering messages.
Programs
Coaching That Fits Your Life
Training for your first sprint, coming back after a break, or chasing a 70.3 finish line? I have a plan that meets you where you are—whether you’re balancing nap time, Zoom calls, or early-morning bricks.
All plans include:
✅ Custom training through TriDot or RunDot
✅ Personalized onboarding and goal-setting
✅ Private athlete-only Facebook community
✅ Real talk + real support from a coach who gets it
Pricing
Triathlon training plans start at $300/month and run-only plans start at $250/month.
Ongoing Triathlon Coaching
(16-week minimum)
Comprehensive Coaching
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Bi-weekly 1:1 coaching calls
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Email/text support
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Race prep sessions
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1 annual swim form assessment
Advanced Coaching
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Monthly 1:1 Session
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Email/text support
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1 live coaching session per month
Single Race Coaching
(Ironman or 70.3)
Race is <18 weeks away
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Weekly coaching available
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Video form analysis (swim + run)
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Intensive onboarding + drill support
Race is >18 weeks away
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Bi-weekly 1:1 coaching calls
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Email/text support
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Race prep sessions
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1 annual swim form assessment
Single-Sport Run Coaching
Full Plan
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Bi-weekly 1:1 sessions
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Email/text support
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Access to TriDot or RunDot
FAQS
First question
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Contact
I Am Here For The Journey – YOURS!
Whether You Are Training For Your First 5K or your next Ironman, I’d Love To Hear From You
You’re balancing workouts, work meetings and maybe even math homework. You’re chasing goals between life’s responsibilities and I see you.
If any of these have come across your mind… reach out!
- Questions about coaching or training plans?
- Looking for mindset support or motivation?
- Curious about gear or race tips?
Alternate Contact Options
- Direct email: info@befiercemultisport.com
- Prefer a DM? Find me on Instagram and TikTok
