Sprinter Glutes Challenge
$95
$150
This challenge is 100% Money Back Guaranteed. If you are unsatisfied at any time within 30 days of purchase, Solin will refund your money.
"You can grow your glutes during a calorie deficit."
"It’s not genetics. That’s just an excuse poor coaches use "
"Results that will have your previous coach trying to find out what you did to grow your glutes."
This challenge is 100% Money Back Guaranteed. If you are unsatisfied at any time within 30 days of purchase, Solin will refund your money.
I know why you’re here. You've been training hard, pushing through countless hip thrusts and trending workouts, but your glutes still aren't where you want them to be. You already know something isn't working, and it's not your fault. It's an information problem.
Imagine the body of a female sprinter: full, round, developed glutes, a slim, defined waist, and lean, non-quad-dominant legs. This isn't genetics; it's technique. The most visually remarkable glute development in the world happens on a track, through thousands of years of mechanically proven movement – a foundation we've brought directly to you.
Welcome to TRIPLE 3XTENSION, a challenge built on three core promises, every session, no exceptions:
01 Build rounder glutes without building your waist: Every exercise is selected and cued to maximize glute loading while minimizing trunk and oblique compensation. This is targeted hypertrophy derived from the same principles that produce the world's most recognizable glute development in female sprinters.
02 Fix your mechanics so that every rep has a purpose: You'll learn what ground reaction force means for your training, where your center of pressure should be, and how ankle, tibia, and knee position determine which muscle is working – and how to shift that load deliberately. This is biomechanics-first training.
03 Train smarter than what's trending: We'll engage in structured, progressive, science-backed weight room work, applying the same sprinting mechanics responsible for the most consistently developed female physiques in athletic history.
This isn't new science; it's simply been ignored. With thousands of years of track & field biomechanics proven at the highest level, you won't find female sprinters with underdeveloped glutes, regardless of body type. We focus on the three joint extensions – ankle, knee, hip – in their correct sequence, and ground reaction force – the real measure, not just joint angles.
This challenge is for women who are done getting the same non-results. It's for you if you're training consistently but your glutes aren't progressing, if you want glute development without a thicker waist, if you want to understand WHY your exercises actually work, and if you care about results over trends. It's probably not for you if you believe genetics is the problem, not mechanics, if you're looking for a 7-day challenge with no substance, or if you need social media validation to trust a method.
The Triple 3Xtension challenge officially begins on May 11, 2026! This is your chance to finally develop the glutes you've been working toward, with the mechanics, the method, and the weight room program you need. Results depend on the application of mechanics – no genetics required. Don't miss out on this opportunity to transform your physique and mindset.
What's included
✔️ Fun and effective workout plan with sets, reps, & exercise guidance
✔️ Private community for support & accountability (a great place to hang out!)
✔️ Mobile app access (iPhone & Android apps)
Bonuses
✅ Bonus 1: Specialized weight tracking feature to track your progress
✅ Bonus 2: High protein recipe generator
✅ Bonus 3: 30 day money back guarantee...love the experience or get your money back. You can request a refund directly in the app from your profile!
IY
Isaura Y.
May 2026
Sprinter Glutes Challenge
EH
Elbi H.
May 2026
Sprinter Glutes Challenge
Marthine R.
May 2026
Sprinter Glutes Challenge
Great course so far, a lot of involvement of Aldo, quick responses. Looking forward to learning more and completing this challenge.
You can grow your glutes during a calorie deficit.
It’s not genetics. That’s just an excuse poor coaches use
Results that will have your previous coach trying to find out what you did to grow your glutes.
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