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Taking on the Half Marathon

The half marathon — 21.1 kilometres or 13.1 miles — is one of the most rewarding distances in running. It is long enough to be a genuine test of endurance and preparation, but achievable for anyone who is willing to put in the training. If you can comfortably run 10 kilometres, you are in a great position to start a half marathon programme.

A typical training plan runs for 10 to 12 weeks, though some runners prefer a longer build-up of 14 to 16 weeks if they are coming from a lower fitness base.

Programme Structure

A well-rounded half marathon programme includes four key types of run each week:

Easy runs. These make up the majority of your weekly mileage. Run at a pace where you can hold a conversation comfortably. These runs build your aerobic base, strengthen your cardiovascular system, and aid recovery from harder sessions.

The long run. This is the cornerstone of your half marathon preparation. Performed once per week, typically on the weekend, your long run builds gradually from your current comfortable distance up to around 18 to 20 kilometres. You do not need to run the full 21.1 km before race day — the taper and race-day adrenaline will carry you through.

Tempo runs. A sustained effort at a pace slightly slower than your target race pace. Tempo runs build your ability to hold a strong pace over the full distance.

Speed or interval sessions. These improve your top-end fitness and running economy. A session might include 6 x 1 km at a pace faster than your target race pace, with recovery jogs between each effort.

Sample Weekly Structure

Monday: Rest or cross-training
Tuesday: Easy run, 40-50 minutes
Wednesday: Intervals or speed session
Thursday: Easy run, 30-40 minutes
Friday: Rest
Saturday: Long run
Sunday: Easy recovery run, 20-30 minutes

The Taper

In the final two to three weeks before race day, you should gradually reduce your training volume by 20 to 30 percent per week. This allows your body to fully recover and arrive at the start line feeling fresh and strong. Many runners feel restless during the taper, but trust the process — the fitness is already in the bank.

Race-Day Strategy

Do not start too fast. This is the single biggest mistake in half marathon running. The excitement and adrenaline of race day make it tempting to go out hard, but you will pay for it in the final kilometres. Start at or slightly slower than your target pace and build into the race.

Fuel properly. Eat a carbohydrate-rich meal the night before and a familiar breakfast two to three hours before the race. Take on gels or energy every 30 to 45 minutes during the race, and drink at every water station.

Break the race into sections. Rather than thinking about the full distance, focus on getting to the next kilometre marker or the next water station. Managing the race mentally is just as important as managing it physically.

Enjoy it. You have put in weeks of hard work to get here. Soak up the atmosphere, draw energy from the crowd, and be proud of what you are achieving.

Ready to Start?

If you have a half marathon on your calendar and want a structured, personalised training plan to get you to the finish line in the best shape possible, get in touch. I have helped many runners through their first — and fastest — half marathons, and I would love to help you do the same.