Lauren HollandBy Lauren Holland

Updated November 2026

First time half marathon tips come down to a few habits that make the biggest difference: training consistently for 10 to 14 weeks, running slower than you think you should, practicing your fueling, and arriving at the start line rested. Follow these steps and you will cross the finish line of your first 13.1 miles feeling strong rather than wrecked.

Build a Base Before You Add Distance

Most beginners do best with at least four to six weeks of running three days a week before starting a half marathon plan. If you can run 20 to 30 minutes without stopping, you have enough base to begin. Build your long run by no more than about 10 percent per week, and cut back to an easier week every third or fourth week. For a full schedule, see our guide to Training for First Half Marathon: A Step-by-Step Guide for Beginners.

Shopping for one? See our guide: First Ever Marathon Time: 3 Best Guides and Pace Tools for First-Timers.

Run Your Easy Miles Truly Easy

The most common beginner error is running every mile too fast. Keep most of your weekly miles at a conversational pace, where you could speak in full sentences. Your long run should feel comfortable for the first half and only moderately challenging near the end. Use a simple rule: if you cannot talk, slow down.

Structure Your Week

  1. Run three days per week: one easy run, one shorter run with a few strides, and one long run.
  2. Add one or two cross-training or strength sessions, such as bodyweight squats, lunges and calf raises.
  3. Take at least one full rest day, especially the day before your long run.
  4. Increase the long run in steps, peaking at 10 to 12 miles about two to three weeks before race day.

Practice Fueling and Hydration on Long Runs

Your body can only store a limited amount of glycogen, so fueling matters even at half marathon distance. Test your gel, chews or sports drink during training runs longer than 60 to 75 minutes, not for the first time on race morning. Start with small amounts and see how your stomach handles them. Race-day habits should match what you have already practiced.

Plan Your Race-Day Routine

Race morning goes smoothly when you have a checklist and stick to familiar foods. Eat a breakfast you have tested in training, roughly two to three hours before the start, and drink water steadily without overdoing it. Arrive early enough to use the restroom, check your bib and find your corral. Use a simple checklist:

  • Bib pinned to the front of your shirt, with gel pockets or a belt ready
  • Race-day outfit already tested on a long run, so there are no chafing surprises
  • Running shoes you have already logged at least 50 miles in
  • Gels or chews, timed for roughly every 45 minutes
  • Safety pins, sunscreen and a plan to meet friends or family after the finish

Pace Yourself From the Start

Starting too fast is the fastest way to fall apart at mile 10. Begin about 15 to 30 seconds per mile slower than your goal pace and let the crowd and your effort settle in. Many first-timers feel great in the opening miles and pay for it later. Aim for an even or slightly negative split, where the second half is a little faster than the first.

Common Mistakes

  • Trying new shoes, socks or gels on race day
  • Skipping long runs in the final weeks and cramming
  • Ignoring pain that sharpens or limps you, rather than general muscle soreness
  • Running too fast on training days and arriving at race week tired
  • Forgetting to taper in the last two weeks, which leaves your legs flat

A well-fitted pair of running shoes is the single most useful piece of equipment for a first half marathon. Look for View on Amazon style neutral trainers, or try a specialty running store for a gait-based fit. A moisture-wicking shirt and running socks help prevent chafing over longer miles. A hydration belt with two small bottles or a few gel pockets keeps fueling simple on training runs and race day.

FAQ

How many weeks should I train for my first half marathon?

Most beginner plans run 10 to 14 weeks. If you are starting from almost no running, a longer build of 16 weeks gives you more room to adapt safely.

Should I walk during a half marathon?

Walking breaks are a valid strategy for first-timers and can help you finish fresher. Many experienced runners use run-walk intervals, and a short walk through each water station is a practical option.

Is it okay to run a half marathon without a watch?

Yes. Pace is useful for training, but effort is a reliable guide on race day. If you have health concerns or questions about training load, consult a doctor or a qualified running coach first.

Conclusion

Consistent training, easy easy-pace running, practiced fueling and a calm start will carry most first-timers across the line. Trust the plan you built and do not chase a time you have not trained for. Good luck on your first 13.1 miles.

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Lauren Holland

About Lauren Holland

Lauren Holland is part of our editorial team and reviews and edits our marathon & half-marathon guides, checking product details against manufacturer specifications and owner feedback.