The Reverse Aging Challenge
One powerful week
Transform how you live
For the rest of your life
There’s a quiet minute after sunrise when your breath finds the rhythm and the shoulders drop. This week is built around keeping that feeling.Join The Reverse Aging Challenge, a science-backed, nature-powered reset to activate resilience, boost healthspan, and help you take charge of your long-term wellbeing. Want cold, fasting, heat, breath, and movement to finally click?Learn the protocols and live them for a week.
No payment today. Book a fit call and reserve a spot.
March 21-27 | Guaro, Spain (10 spots max.)
Hosted at Costa del Soul, a quiet hillside basecamp between Marbella and Málaga.
Ready to trade one intentional week for stronger decades ahead?
Daily coaching in breath, food timing, movement, cold/heat, mindset. Gentle, coached, practical.
Intimate, supportive cohort with personal guidance
A beautifully designed retreat space with all the comfort, to do the work
Chef-supported Mediterranean meals designed for metabolic ease (evenings feel calm).
The 7-Pillar Framework
Science Meets Practice
Healthspan begins in the body. What you repeat, you become. We make the feeling doable, then durable.Each day focuses on one pillar that improves cellular resilience, metabolism, and mood. The daily rhythm makes change doable, then durable, so you build momentum without overwhelm.
3-Day Format: Core Immersion
This format establishes a clear foundation.You begin by orienting your system, clarifying where you are today and what needs to change. Nourishment is approached as metabolic support, focusing on steady energy, digestion, and long-term health. Movement then anchors the work through simple, sustainable bodyweight training that builds strength, mobility, and resilience.You leave with a coherent framework and practices you can realistically maintain.5-Day Format: Core + CapacityThis format builds on the core by expanding stress tolerance and regulation.Breathwork becomes a primary tool to influence focus, emotional stability, and recovery. Cold exposure is introduced as controlled stress, training calm, adaptability, and confidence under pressure.By the end of five days, participants typically feel more grounded, resilient, and in control of their energy.7-Day Format: Full IntegrationThis is the complete arc.Heat exposure complements cold, supporting deep relaxation and recovery. The final phase focuses on integration, using nature, reflection, and personal planning to translate the experience into daily life.The goal is lasting change, not a temporary reset.
Benefits
Steady energy and clearer focus. Fewer slumps, more signal.
Metabolic ease. A rhythm that makes evenings quiet again.
Stress control on command. Tools you can use anywhere, anytime.
Restorative sleep. Recovery that compounds.
Your personal 30-day plan. So the feeling lasts.
Feel younger now; stack the odds for decades to come.
Invest in the next decade, not the next quick fix
Is this for you?
If your body softens reading this, that’s your yes. The rest is logistics.
Over 40 and busy?
Tried diets and gym kicks that didn’t stick?
Open to fasting windows, breathwork, cold/heat, smart movement, with expert guidance?
Willing to spend one week to feel better now and age well later?
Can a place help you reset?
Where will you be Staying
This is glamping built for recovery, not roughing it. Real beds, fresh air, and quiet hours so your system can settle.
Sunlight, fresh air, space to walk and rest... because the setting makes change easier.
Testimonials
What People Are Saying
"Oscar has a calm confidence and genuine passion for what he teaches. His guidance was clear and supportive, making the experience accessible even for beginners. I left feeling invigorated and with tools I can use every day."
— Pablo L.
"Since the first moment I met Oscar, I knew I had met someone special. He transmits a positive energy that makes you feel safe and confident to explore new practices. Thank you for such a transformative experience."
— Spencer F.
"Oscar is a fantastic instructor who creates memorable and engaging experiences. His ability to explain concepts and hold space is truly special."
— Abbie G.
"What I valued most was how Oscar helped me unlock internal blocks that were holding me back. As a result, I’m able to live out my potential more fully and confidently."
— Viyan N.
""Oscar has a way of guiding you to celebrate your journey and recognize the abundance in your life. His approach is compassionate, non-judgmental, and deeply grounding."
— Lucy Y.
"Working with Oscar has been transformative. He helped me gain clarity, define my vision, and most importantly, believe in myself and my capabilities."
— Adina D.
Introductory Offer
Program Investment
Comparable retreats often start at around €4,000.This experience is intentionally structured to be more accessible, without compromising depth or quality.7-day Full Experience: €1,950 all-inclusive
Includes coaching, shared high-spec glamping accommodation, chef-supported meals, and all scheduled practices.5-day Core + Deepening: €1,550 all-inclusive
Covers the full core program plus advanced breathwork and stress-resilience practices.3-day Core Immersion: €1,150 all-inclusive
Includes all core pillars and a complete, coherent experience in a focused timeframe.All formats include accommodation, facilitation, and meals as outlined.
Single-occupancy accommodation is available for an additional €300.A €499 deposit secures your place, with the balance due later.Shorter formats reduce time commitment, not quality.
The Humans Behind the Challenge
Led by Experts.
Fueled by Purpose.
This isn’t a spa week. It is a high-touch reset run by coaches who live what they teach.
Oscar Trelles
Program DirectorFounder of Breathing Flame, entrepreneur, investor, systemic coach, and WHM certified instructor. Leads curriculum and facilitation.
“I want you to be so fit and healthy, that food and pharma companies can’t profit from you.”
Karen Jacobson
Head of NourishmentAccredited nutritionist focused on fasting, metabolic health, and real food strategies.
Brian Fland
Head of FitnessCoach and tech-sales veteran helping busy professionals build sustainable routines.
Berenice Lizeviche
Head of KitchenInternational chef crafting longevity-focused meals that reinforce the week’s habits.
Apply Now
Be Part of the
March 21-27 Cohort
We keep this intimate on purpose. If you feel the pull, complete the short form. We’ll talk, and I’ll hold your spot for 48 hours while you check life.
Your Questions
Answered
Do I need any experience with breathwork, fasting, or cold exposure?
No. We will teach you step-by-step with plenty of support and safety.What is the daily structure like?
Guided morning practices, training sessions, nourishing meals, followed by time to rest or work remotely, and an evening down-shift. Balance is built in.Will I receive materials to continue after the retreat?
Yes. You will receive a workbook, protocols, and a 30-day plan to keep your wins. Participants also get lifetime access to the online course.How is this different from other wellness retreats?
We focus on root-causes and sustainable practices, not quick fixes. Small group, high coaching contact, and a plan you help design.Will I have personal access to the instructors?
Yes. While most sessions are in group, you’ll get individual check-ins with the team.Are personalized plans part of the program?
Yes. Helping you design a personalized approach to movement, nourishment, and stress adaptation is core to the experience.What should I bring?
Swimsuit, workout clothes, walking/hiking shoes, and some light layers.What are the sleeping arrangements?
Shared vs. private options will be offered once the group is confirmed; you can share preferences.Is transportation included?
We can arrange transfers from AGP (Málaga) on request (additional fee).
Ask Me Anything
Q&A Sessions
Ready to join?
Reserve your spot or book a call, and we’ll hold your spot for 48 hours.Still curious?
Join a 30-minute live Q&A to meet the team, see the plan, and get answers.