So, you’ve conquered the 5K. Whether it’s Parkrun or a local event, you’re now ready to level up and tackle the 10K. It’s a brilliant goal and a natural next step in your running journey. But how do you safely and effectively move from running 5K to doubling the distance?
In this guide, we’ll walk you through the mindset, training tips, and practical strategies to go from 5K to 10K with confidence. Whether you’re aiming for your first 10K race or just building endurance, this plan is tailored for real UK runners like you.
Build a Solid 5K Base First
Before jumping into longer runs, make sure your 5K feels manageable. You should be able to complete it at a steady pace without walking and recover well afterwards. Running 5K three times per week is a great foundation.
If you’re still feeling wiped after 5K, spend another couple of weeks building consistency and aerobic fitness. There’s no rush. The stronger your base, the smoother the transition to 10K.
Increase Distance Gradually
The key to moving from 5K to 10K is gradual progression. Aim to increase your longest weekly run by no more than 1 kilometre per week.
Example:
- Week 1: Long run of 6K
- Week 2: 7K
- Week 3: 8K
- Week 4: 9K
- Week 5: 10K
Keep your other runs around 4 to 6K and focus on time on your feet, not speed.
Add One Long Run Per Week
Pick one day per week (usually a weekend) to do a slower-paced long run. This builds endurance without overtraining. Take walking breaks if needed.
Use scenic UK parks or trails to make your long run enjoyable and mentally refreshing. Many runners find these slower runs the most peaceful part of their week.
Mix in Some Variety
Don’t just add distance — add variety. Include different types of runs during the week to develop all aspects of your fitness.
A balanced week could include:
- One easy run at a conversational pace
- One long run that increases each week
- One speed session (intervals or tempo runs)
For example: 3 x 400m fast with walk breaks in between, or a 15-minute steady run slightly above your usual pace.
Listen to Your Body
As you increase distance, your body will need more recovery. Watch for signs of overtraining like:
- Constant fatigue
- Trouble sleeping
- Loss of motivation
- Aches that don’t fade after rest
Don’t be afraid to take a rest day or replace a run with cross-training like swimming or cycling. Rest is part of the plan.
Fuel and Hydrate Properly
As your runs get longer, nutrition and hydration become more important. Drink water before and after your runs and have a small snack with carbs and protein post-run to help recovery.
On hot UK days, consider carrying water on runs over 45 minutes and use electrolytes when needed.
Set a 10K Goal Race
Nothing motivates quite like signing up for a race. Choose a 10K event that’s 6 to 10 weeks away. Many UK races are friendly and scenic, from city routes to countryside trails.
Having a fixed race date helps you stay consistent, focused, and gives you something to aim for.
Keep It Enjoyable
Training for a 10K should feel like a rewarding challenge, not a chore. Celebrate the small wins — like your first 7K or running continuously for 50 minutes.
Run with a friend, listen to music or podcasts, and explore new routes to keep motivation high.
Going from 5K to 10K is an achievable and exciting step for any runner. With consistency, smart progression, and a bit of patience, you’ll build the stamina and confidence to cross that 10K finish line strong.
Your journey is yours — there’s no rush. Whether it takes five weeks or fifteen, the key is to enjoy the process and trust that every run is getting you closer to your goal.

