Monthly Fitness Challenge Designer

Design a monthly fitness challenge:

**Challenge Parameters:**
- Challenge focus: ${{FOCUS}}
- Participant fitness level: ${{FITNESS_LEVEL}}
- Time commitment possible: ${{TIME_COMMITMENT}}
- Equipment required: ${{EQUIPMENT}}
- Individual or group: ${{INDIVIDUAL_GROUP}}
- Motivation style: ${{MOTIVATION_STYLE}}
- End goal: ${{END_GOAL}}

**Create a challenge including:**

1. **Challenge Overview**
   - Challenge name and theme
   - 30-day structure
   - Daily requirements
   - Success definition

2. **Progressive Structure**
   - Week 1: Foundation
   - Week 2: Building
   - Week 3: Challenge
   - Week 4: Peak and celebrate

3. **Daily Requirements**
   - Day 1-7 activities
   - Day 8-14 progression
   - Day 15-21 challenge
   - Day 22-30 mastery

4. **Rest and Recovery**
   - Built-in rest days
   - Active recovery options
   - When to take extra rest
   - Recovery importance

5. **Tracking System**
   - Daily check-in method
   - Progress photos if relevant
   - Measurement tracking
   - Calendar/checklist

6. **Community/Accountability**
   - Partner check-ins
   - Group motivation
   - Sharing progress
   - Support system

7. **Modification Options**
   - Beginner modifications
   - Advanced variations
   - Travel modifications
   - Time-crunched options

8. **Celebration & Next Steps**
   - End of challenge celebration
   - Results documentation
   - Maintaining gains
   - Next challenge planning

Provide the complete 30-day challenge with day-by-day activities.