How to Prepare for a Marathon With Your Apple Watch: Pro Tips From Professional Runner Reeti Sahai
Preparing for a marathon requires dedication, a structured plan, and the right tools. Reeti Sahai, a professional marathon runner and founder of @RunWithReeti, emphasizes that the journey starts in the mind. She believes mental readiness is key to conquering the 42.2-kilometer challenge.

To ensure success, Sahai recommends creating a tailored training plan or working with a marathon coach. Key elements include:
- Long Runs: Gradually increase your distance to build endurance and simulate race-day conditions.
- Speed Work: Enhance running efficiency to sustain faster paces over time.
- Strength and Cross-Training: Reduce injury risks and improve running economy by integrating strength exercises 2–3 times per week.
Nutrition Matters
Marathon training isn’t complete without a focus on nutrition. Experiment with gels, bars, hydration drinks, and meals during training to discover what fuels your body best. Key guidelines include consuming carbohydrate-rich meals before long runs and protein-packed meals after workouts for muscle repair and endurance building.
The Power of Rest and Visualization
Sahai underscores the importance of rest and recovery, which often go overlooked. “Good sleep is key,” she says. During tapering, typically 2–3 weeks before race day, reduce your training intensity to let your body recover.
Mental preparation is equally vital. Visualization can be a powerful motivator—picture yourself crossing the finish line and savoring the feeling of accomplishment.
Apple Watch: The Marathoner's Training Ally
The Apple Watch Series 10, with its thinner and lighter design, is more than just a fitness tracker—it’s an invaluable training companion for marathon runners. Here’s how Sahai uses her Apple Watch to enhance her marathon prep:
- Sleep Tracking: Sahai wears her watch at night to monitor sleep quality, including REM, core, and deep sleep. The Sleep Focus feature on the iPhone complements this by helping her wind down before bed.
- Heart Rate Zones: The watch tracks heart rate zones during workouts, ensuring she trains at the right intensity.
- VO2 Max Estimates: This feature helps gauge her endurance levels over time.
- Heart Rate Variability (HRV): By monitoring HRV, Sahai assesses her recovery status and adjusts training accordingly.
- Hydration Reminders: Using apps like WaterMinder, she ensures proper hydration during long runs.
watchOS 11: New Features for Marathon Training
The latest watchOS 11 adds even more value for runners:
- Training Load Insights: This feature helps athletes analyze workout intensity over time, offering insights for optimizing training schedules.
- Customizable Activity Rings: Users can now set daily goals and pause rings without losing streaks, accommodating rest days or injury recovery.
- Faster Charging: With just 15 minutes of charging, the Apple Watch provides up to 8 hours of use, making it easier to track workouts and sleep consistently.
Dos and Don’ts for Marathon Day
Dos:
- Stay positive and visualize success.
- Hydrate well throughout the week before the marathon.
- Taper properly to allow recovery.
Don’ts:
- Avoid wearing new gear or trying new workouts close to race day.
- Don’t overexert yourself with sightseeing or shopping the day before the race.
Image Credits: Blocks Fletcher on Unsplash


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