Half marathon pacing strategy and race day plan

The simplest half marathon pacing strategy is even splits. Run the first mile at goal pace or a few seconds slower, hold that pace through the middle, and let the last two or three miles come faster if you have it. This page gives the pacing plan mile by mile, the night-before and morning checklist, and the gear that matters. The generator below sets your goal pace and the plan behind it.

Half marathon pacing strategy: even, negative or banked time

Even pacing is the default because it is the cheapest way to cover 13.1 miles. Every mile at the same speed costs less than fast miles followed by slow ones. A negative split, second half slightly faster, is even pacing with discipline in the first miles and is how most personal bests happen. Banking time by going out fast feels like insurance and works like a loan: the interest comes due around mile ten.

Your goal pace comes from the half marathon pace chart. Each goal page, for example 2 hours, prints mile and km splits for all three strategies, so you can write the halfway time on your hand.

Half marathon race strategy mile by mile

1. Miles 1 to 3: at goal pace or a touch slower. The crowd will go out faster; let it. Check the watch at the first mile marker, not before.
2. Miles 4 to 9: settle into the rhythm, drink at the aid stations, take the gel if you planned one. This stretch should feel controlled, almost boring.
3. Miles 10 and 11: the hard part. Hold form, shorten the stride, count to the next marker. Nobody feels good here.
4. Mile 12 to the finish: spend whatever is left. If the first miles were honest, there is something to spend.

How to prepare for a half marathon the night before

• Pin the bib to the shirt you will wear; attach the timing chip if the race uses one.
• Lay out shoes, socks, kit, gels, watch charged, anti-chafe, a throwaway layer for the start.
• Plan the route to the start and the time you need to leave, then add half an hour.
• Eat a plain dinner early, set two alarms, go to bed at the normal time. A short night before the race matters less than the week of sleep before it.

What to do the morning of a half marathon

Wake up early enough to eat the breakfast you have practiced, about two to three hours before the start. Arrive with time for the toilet queue, bag drop and a short warm-up: ten minutes of easy jogging and a few strides. If the race is long for you, do less and let the first mile be the warm-up. Line up at the pace sign that matches your goal, not the one that matches your hope. Start the watch at the start mat, not at the gun.

Half marathon running gear and tips for your first race

Gear is whatever you trained in: the same shoes, the same socks, the shirt that does not chafe. Add anti-chafe balm on anything that rubbed on a long run. For a cold race, dress for a temperature warmer than the forecast and start in an old sweatshirt you can leave at the line. Keep gloves and a hat; they are easy to pocket when you heat up.

First-timers: the goal is an even effort and a finish you enjoy. Walk through the aid stations if that is what you practiced, ignore the runners who pass you in mile two, and expect to pass many of them later. Your training plan from the generator and the beginner plan page set paces for a finish, not a time, which is the right target for a first race.

Frequently asked questions