Linn Lowes Launches Limit-Pushing Fitness Challenge

Body Temple, a new six-week challenge on the Athli app, promises to push fitness fans beyond their limit

Personal trainer and fitness entrepreneur Linn Lowes has launched a new six-week challenge, Body Temple, on Athli, a women’s fitness app she founded.

The gym-based fitness program combines weightlifting and HIIT sessions for a balanced approach and runs four days a week to ensure proper recovery.

“This plan is all about breaking through barriers,” Athli founder and lead trainer Linn Lowes explained. “It’s not about staying comfortable; it’s about pushing yourself beyond what you thought possible. Whether you’re looking to build lean muscle, target glutes, or boost overall fitness, Body Temple will keep your body guessing and growing.”

Here’s a rundown of the first week for a Body Temple participant:

• Day 1: Shake It Off – Up Tempo Lifting
• Day 2: Golden Glutes – Lower Body with Glute Focus
• Day 3: Rest
• Day 4: Build Your Beast – Upper Body
• Day 5: Endurance Energy – Up Tempo Lifting
• Day 6 & 7: Rest

In addition to gym and workout plans, the Appex Group-owned Athli features pregnancy programs, step tracking, recipes, nutrition guidance and more.

“We’re excited to introduce Body Temple to our Athli community,” Appex CEO Karetha Strand said. “This program reflects our commitment to delivering high-impact fitness experiences. Linn’s unique approach aligns perfectly with our mission of helping users push past their limits to achieve personal strength and growth.”

The Swedish health and fitness expert has amassed 3.5 million followers on social media and has been open about a life-changing cancer diagnosis she received in her early twenties.

“I kicked its ass, and I came back skinnier and weaker, but that did not stop me,” she told ATN of the experience. “I decided to get my personal trainer license and took diet classes to consult in nutrition. After this, I started my business by helping others take control of their life, health, and happiness.”

She also branched out into activewear, founding Stacci Athletics . The women-centered brand offers apparel and fitness accessories, such as hip thrust belts and ankle and dumbbell straps.

As for Appex, the group also owns fitness apps Sculpt You, StepBet and FitnessAI, a gym workout app that recently launched an advanced BodyScan feature.

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