Your journey. Your goal. Your next finish line.

RUN THIS.

Your personalised running journey starts here. Build the next block, calculate the pace, find the race and keep returning with a clearer plan.

Build My Training Plan Explore Running Tools

Today Easy 45 min

Keep it conversational. The goal is repeatability, not proving fitness.

GoalHalf marathon

12-week route ready.

Pace5:18 / km

Target rhythm check.

RaceFind a start line

Road, trail or city.

Quick start

I want to...

Most runners do not need more noise. They need the next correct action for their current goal.

Run my first 5K

Start with a controlled run-walk plan and a realistic first finish line.

Train for a marathon

Build durability, protect the long run and practise fuelling before race day.

Improve my pace

Turn target times into pace per kilometre, mile splits and race rhythm.

Find my next race

Browse useful UK race links and choose a start line that fits your level.

Become a better runner

Read practical guidance on consistency, pacing, fuelling and recovery.

Run This Performance Lab

Tools that bring runners back.

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Pace tools

Pace calculator

Calculate finish time, pace per km, pace per mile and average speed.

Use calculator

Race tools

Race time predictor

Use a recent result to estimate what another race distance might look like.

Predict time

Training tools

Personal plan builder

Match your current fitness, availability and race goal to a useful training route.

Build plan

Fuel tools

Marathon fuel calculator

Estimate gels, carbs per hour and spacing before testing it on long runs.

Plan fuelling

Progress tools

Training load check

Sense-check mileage jumps before motivation turns into a setback.

Check load

Next tools

Coming into build

Age grading, VO2 max estimation, training zones and progression tracking are now the next product layer.

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Run This AI Coach

Ask better training questions.

Use the coach desk to turn common runner problems into clear next steps: missed training, goal pace, easy-run effort, race-week decisions and fuelling.

Ask Run This Build a plan

Example question

“I missed two weeks of marathon training. What now?”

Do not cram the missed miles. Rebuild with one reduced long run, one easy run, one controlled session and one rest day before adding volume again.

Training routes

Support from first mile to biggest challenge.

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Follow the sport beyond your own watch.

Open hub

Records

Practical advice that changes the next run.

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Join Run This

Make the site remember your goal.

Free membership starts with email, running level and target distance. That gives Run This the data needed to send relevant training prompts, race ideas and tool recommendations.