Half Marathon
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UK Half Marathons
Whether it’s your first time tackling the half, or you’re a seasoned veteran warming up for a full marathon – a UK Half Marathon is a worthy challenge. Running a half marathon isn’t easy, but here at Run Through UK, we know you’re going to be hooked (or already are hooked!). For every runner, a half marathon should be on their bucket list – or at least a stepping stone on the way to a full marathon.
Challenge Yourself with Half Marathon
With RunThrough UK
A Half Marathon is the logical next move once you’ve conquered the 5k and 10km, and a worthy challenge for every runner; new or veteran. It’s our mission to bring you accessible, well run races to help you live out your passion and conquer your goals.
Half Marathon UK’s Premiere Running Event Organiser
As one of the UK’s best half marathon event organisers, we’re well prepared to give you a seamless, brilliant experience. All of the events you’ll find in our calendar are our own organised running events – we don’t sell places to other organisers’ half marathons.
This is so we can ensure you know what you’re getting when you run with us. We’ve worked hard to bring you a great range of running events around London and all through the UK. Whether you’re an experienced runner, a fitness enthusiast or just getting started, you’ll find yourself challenged and supported.
Run with us!
Events
Around half a million people run a half marathon each year in the UK. A large % compete in a RunThrough half marathon but the overall competitors are still less than 1% of the population.
Yes! With the right training and preparation, anyone can run or walk a half marathon. It’s not always about setting record times or keeping up with the elite athletes. For many runners, a half marathon is a great accomplishment whether you run it under two hours, or not!
How long to wait between half marathons all comes down to your running experience. If you’re a novice, then plan at least 2-3 weeks of rest between half marathons. If you’re an experienced runner, then you should be good to go again in a few days. At the end of the day though, it all comes down to listening to your body. Unnecessary injuries will force you to sit out for much longer than just taking the right amount of rest!
Readiness for a half marathon depends on your fitness, running history, and confidence in handling longer distances. A good indicator is whether you can comfortably run 6–8 miles consistently in training. Your weekly mileage should gradually increase to build endurance while avoiding overtraining. Assess your mental readiness, as half marathons demand sustained focus and pacing over two or more hours. Proper nutrition and hydration practice during long runs is also important. Additionally, consider injury history; recurring pains may indicate a need for more base building or strength work. Training plans typically range from 8 to 12 weeks for beginners. If you can maintain consistent weekly runs, complete one long run approaching 10 miles, and feel motivated for the challenge, you’re likely ready. Remember, finishing is the main goal for your first half marathon, not achieving a specific time.
Training for a 10k emphasizes speed, tempo, and short intervals, while half marathon training focuses more on endurance, pacing, and longer runs. A 10k plan typically includes 3–4 weekly runs with one speed session and one long run of 5–7 miles. Half marathon plans usually involve 4–5 weekly runs, incorporating longer long runs of 8–12 miles, tempo or threshold workouts, and occasional speed sessions. Nutrition and hydration strategies also differ, as half marathons require more attention to fueling during longer runs. Recovery and cross-training are more critical for longer distances to prevent overuse injuries. Mental preparation varies as well: 10ks demand consistent focus over a shorter period, while half marathons require stamina and mental resilience for sustained effort. Understanding these differences ensures effective, safe, and goal-oriented preparation.