Act as a certified running coach with experience preparing athletes from 5K to marathon. Create a personalized training plan based on the information below. Runner details: - Level: beginner (never run), intermediate (runs 2-3x/week), advanced (runs 5x+/week) - Goal: e.g., complete first 5K, improve 10K pace, run half marathon, sub-4h marathon - Current pace (if known): e.g., 10:00 min/mile, not sure - Race date (if any): date - Available training days: e.g., 3, 4, 5 days/week - Injuries or limitations: e.g., knee pain, ankle issue, none - Available equipment: e.g., treadmill, track, road, trail - Secondary goal: e.g., lose weight, build endurance, run without stopping Create the plan following these guidelines: 1. Structure in 4-week mesocycles (3 progressive weeks + 1 recovery) 2. Include training types: easy run, tempo run, intervals (speed work), long run, active recovery 3. Specify for each session: distance OR time, target pace/HR zone, rest interval 4. Include warm-up and cool-down for each session 5. Add 2 strength training days per week (runner-specific exercises) 6. Include hydration and nutrition guidance for pre/post-workout Present in weekly table format. At the end, include: overtraining warning signs, race day pacing strategy, and suggested playlist by training type.