15-Week Half-Marathon Training Plan for October 19, 2025
Overview
Starting July 7, 2025, this plan will prepare you for your October 19, 2025 half-marathon. The extra 3 weeks allows for a more gradual build-up, reducing injury risk and building a stronger aerobic base.
Weekly Schedule Structure
- Monday: Run + Strength Training
- Tuesday: Pilates (your scheduled session)
- Wednesday: Run + Strength Training
- Thursday: Rest or gentle walk
- Friday: Pilates (your scheduled session)
- Saturday: Long Run
- Sunday: Rest or gentle walk
Training Phases
Phase 1: Foundation Building (Weeks 1-5)
Goal: Establish consistent running habit and build initial aerobic base
Week 1 (July 7-13)
- Monday: Walk/Run 1.5 miles (3 min walk, 1 min run intervals) + Strength A
- Wednesday: Walk/Run 1.5 miles (3 min walk, 1 min run intervals) + Strength B
- Saturday: Walk 2 miles at comfortable pace
Week 2 (July 14-20)
- Monday: Walk/Run 1.5 miles (2 min walk, 1 min run intervals) + Strength A
- Wednesday: Walk/Run 1.5 miles (2 min walk, 1 min run intervals) + Strength B
- Saturday: Walk 2.5 miles at comfortable pace
Week 3 (July 21-27)
- Monday: Walk/Run 2 miles (90 sec walk, 90 sec run intervals) + Strength A
- Wednesday: Walk/Run 2 miles (90 sec walk, 90 sec run intervals) + Strength B
- Saturday: Walk 3 miles at comfortable pace
Week 4 (July 28-Aug 3)
- Monday: Walk/Run 2 miles (1 min walk, 2 min run intervals) + Strength A
- Wednesday: Walk/Run 2 miles (1 min walk, 2 min run intervals) + Strength B
- Saturday: Walk/Run 3.5 miles (2 min walk, 3 min run intervals)
Week 5 (Aug 4-10) - Recovery Week
- Monday: Walk/Run 1.5 miles (1 min walk, 3 min run intervals) + Strength A
- Wednesday: Walk/Run 1.5 miles (1 min walk, 3 min run intervals) + Strength B
- Saturday: Walk 3 miles easy
Phase 2: Continuous Running Development (Weeks 6-10)
Goal: Build continuous running endurance
Week 6 (Aug 11-17)
- Monday: Run 2 miles continuous + Strength A
- Wednesday: Run 1.5 miles continuous + Strength B
- Saturday: Run 3 miles continuous
Week 7 (Aug 18-24)
- Monday: Run 2.5 miles continuous + Strength A
- Wednesday: Run 2 miles continuous + Strength B
- Saturday: Run 3.5 miles continuous
Week 8 (Aug 25-31)
- Monday: Run 3 miles continuous + Strength A
- Wednesday: Run 2.5 miles continuous + Strength B
- Saturday: Run 4.5 miles continuous
Week 9 (Sept 1-7)
- Monday: Run 3.5 miles continuous + Strength A
- Wednesday: Run 3 miles continuous + Strength B
- Saturday: Run 5 miles continuous
Week 10 (Sept 8-14) - Recovery Week
- Monday: Run 3 miles easy + Strength A
- Wednesday: Run 2.5 miles easy + Strength B
- Saturday: Run 4 miles easy
Phase 3: Distance Building (Weeks 11-13)
Goal: Build toward race distance
Week 11 (Sept 15-21)
- Monday: Run 4 miles + Strength A
- Wednesday: Run 3.5 miles + Strength B
- Saturday: Run 6 miles
Week 12 (Sept 22-28)
- Monday: Run 4.5 miles + Strength A
- Wednesday: Run 4 miles + Strength B
- Saturday: Run 8 miles
Week 13 (Sept 29-Oct 5)
- Monday: Run 5 miles + Strength A
- Wednesday: Run 4.5 miles + Strength B
- Saturday: Run 10 miles
Phase 4: Peak & Taper (Weeks 14-15)
Goal: Final preparation and recovery before race
Week 14 (Oct 6-12)
- Monday: Run 4 miles + Strength A
- Wednesday: Run 3.5 miles + Strength B
- Saturday: Run 12 miles (practice race pace for middle miles)
Week 15 (Oct 13-19) - Taper Week
- Monday: Run 3 miles easy + Light Strength A
- Wednesday: Run 2 miles easy + Light Strength B
- Saturday: Run 1.5 miles easy with 4 x 30-second pickups
- Sunday: RACE DAY! (October 19, 2025)
Strength Training Programs
Strength A (Upper Body & Core Focus)
Perform 2-3 sets of 10-15 reps each:
- Resistance Band Rows - for posture and upper back strength
- Light Dumbbell Chest Press (lying or standing) - for arm swing balance
- Resistance Band Lat Pulldowns - for core stability
- Plank Hold - 30-60 seconds for core endurance
- Side Plank - 20-30 seconds each side for lateral stability
- Bicep Curls - for arm strength and running form
- Clamshells with Resistance Band - for hip stability
- Bird Dog - for core stability and coordination
Strength B (Lower Body & Glutes Focus)
Perform 2-3 sets of 10-15 reps each:
- Bodyweight or Light Dumbbell Squats - for leg strength
- Romanian Deadlifts (light dumbbells) - for hamstring and glute strength
- Lateral Band Walks - for hip abductor strength
- Calf Raises - for lower leg strength
- Step-ups (using stairs or low platform) - for functional strength
- Dead Bug - for core stability and coordination
- Wall Sit - 30-60 seconds for leg endurance
- Reverse Lunges - for functional leg strength
Weekly Mileage Progression
- Weeks 1-5: 4.5-8 miles per week
- Weeks 6-10: 6.5-10.5 miles per week
- Weeks 11-13: 13.5-19.5 miles per week
- Week 14: 19.5 miles (peak week)
- Week 15: 6.5 miles (taper)
Women's Health Considerations
Pelvic Floor Health
- Breathing: Practice diaphragmatic breathing during strength exercises
- Core Connection: Engage deep core muscles (not just "abs") during all exercises
- Impact Management: Gradual volume increase allows pelvic floor adaptation
- Warning Signs: Stop if you experience pelvic pressure, leaking, or pain
Seasonal Considerations
- August Heat: Run early morning or evening, increase hydration
- September Transition: Great weather for building mileage
- October Race: Ideal racing weather, practice layering
Menstrual Cycle Considerations
- Track Your Cycle: Note patterns in energy, motivation, and recovery
- Weeks 1-2 (Menstrual/Follicular): Often feel stronger, good for harder workouts
- Weeks 3-4 (Luteal/PMS): May need more recovery, listen to your body
- Hydration: Extra important during menstruation
- Iron: Monitor energy levels, consider iron-rich foods
Important Milestones & Check-ins
Week 5 (Aug 4-10)
- Assessment: Can you run continuously for 10+ minutes?
- Adjustment: If not, repeat Week 4 pattern
Week 10 (Sept 8-14)
- Assessment: Can you run 4 miles continuously?
- Goal: Should feel comfortable at conversational pace
Week 13 (Sept 29-Oct 5)
- Assessment: 10-mile long run completion
- Confidence Builder: You're ready for the race!
Race Preparation Tips
Practice Runs (Weeks 11-14)
- Nutrition: Practice fueling during long runs
- Hydration: Test sports drinks vs. water
- Clothing: Test race day outfit
- Pacing: Practice negative splits
Race Week (Week 15)
- Carb Loading: Start 3 days before race
- Hydration: Increase fluid intake
- Sleep: Prioritize 8+ hours nightly
- Stress Management: Light activities, avoid new stressors
Recovery & Adaptation Guidelines
Sleep & Rest
- Sleep: Aim for 7-9 hours nightly
- Rest Days: Essential for adaptation and injury prevention
- Active Recovery: Gentle walks, yoga, or easy swimming
Nutrition Focus
- Pre-Run: Small snack 30-60 min before (banana, toast)
- Post-Run: Protein + carbs within 30 minutes
- Hydration: Aim for pale yellow urine
- Iron: Important for female runners - include iron-rich foods
Equipment Recommendations
- Proper Running Shoes: Get fitted at specialty running store
- Comfortable Clothing: Moisture-wicking fabrics
- High-Support Sports Bra: Properly fitted
- Light Weights: 5-15 lbs depending on exercise
- Resistance Bands: Light to medium resistance
Warning Signs to Stop Training
- Sharp or shooting pain (different from muscle fatigue)
- Persistent pelvic pressure or discomfort
- Unusual shortness of breath or chest pain
- Dizziness or nausea during runs
- Any leaking or pelvic floor dysfunction
- Persistent fatigue or declining performance
Race Day Strategy
- Start Conservatively: Plan to negative split (second half faster)
- Pacing: Aim for 30-45 seconds slower per mile than comfortable training pace
- Hydration: Drink at every aid station if thirsty
- Nutrition: Practice during training, nothing new on race day
- Mental Strategy: Break race into 3-mile segments
Modifications & Flexibility
- Missed Workouts: Don't double up, continue with current week
- Feeling Tired: Take extra rest day, better undertrained than injured
- Weather Issues: Treadmill is fine for shorter runs
- Life Happens: Consistency over perfection
Remember: The goal is to finish healthy, happy, and ready to celebrate your achievement! This 15-week plan gives you plenty of time to build safely and confidently toward your October 19th half-marathon.