Latest News

15th March 2024

New Tools: More VO2 max calculators

We've added another two calculators for predicting your VO2 max: Balke 15-minute run test calculator and Bruce protocol treadmill test calculator.

12th March 2024

New Tool: Balke treadmill test calculator

Estimate your VO2 max with our Balke treadmill test calculator.

8th March 2024

New tools: More Pace Charts

We've added a half marathon pace chart, a 10k pace chart, and a 5k pace chart.

31st December 2023

How Many parkruns in a Year

We've updated our maximum parkruns in a year article for 2024.

24th December 2023

12 Days of Running

We're gifting a running tip for each of the 12 days of Christmas. Get a new tip every day between December 25th and January 5th

6th December 2023

New session: Royal Flush

Learn all about this challenging running session.

1st December 2023

Updated: Guide to Strides

We've had a big update of our guide to strides for runners.

9th November 2023

Updated: Guide to Heart Rate Training

We've had a big update of our guide to heart rate training for runners. It's also now medically reviewed.

20th October 2023

New tool: Marathon Pace Chart

Check out our new marathon pace chart. You can see split times at-a-glance for marathon finish times all the way from two hours (good luck) up to eight hours.

15th October 2023

Updated world record paces

We've updated the men's and women's world record pace tables to include more-recent running records.

13th October 2023

New tool: Grade Adjusted Pace (GAP) calculator

Find the flat equivalent of a hilly run or race with out new Grade Adjusted Pace calculator.

New tool: reverse VO max / VDOT calculator

You can now predict race times from a single VO2 max / VDOT value

11th October 2023

Updated walking calorie calculator

We've updated our walking calorie calculator so that you can add an elevation or a treadmill grade. You can also specify the weight of a backpack.

7th October 2023

Updated running calorie calculator

We've updated our running calorie calculator so that hills can be considered in the calculation. You can also add the weight of a backpack.

29th December 2022

New article

Have you ever wondered how many parkruns it's possible to do in a year?

17th December 2022

New design

We've redesigned our site to make it faster, prettier, and easier to navigate.

14th August 2022

Pace to speed converter update

We've updated our pace/speed conversion calculator to include details of how calculations are carried out and also to include exztra finish time distances in the summary.

15th July 2022

Heart rate zones calculator update

Our heart rate zone calculator now includes fat-burning zones, and also give personalised training session recommendations based on your personal zones.

25th June 2022

New Tool: VO2 max calculator

Find your VO2 max from a recent race result. Based on Jack Daniels' VDOT values.

23rd June 2022

New Tool: Cooper test calculator

Estimate your VO2 max with our Cooper test.

18th May 2022

New article

Find out all about running uphill and downhill in our new guide to hill running

21st August 2021

Update for mobile devices

We've updated our tools and calculators to make inputting times and paces easier on mobile devices.

14th August 2021

New Tool: Training pace calculator for runners

Our training pace calculator helps you determine suitable training paces and comes with plenty of personalised training session examples to get you going.

30th July 2021

New Tool: Calorie calculator for walkers

We now have a calorie calculator for walkers.

20th July 2021

New Tool: Calorie calculator for swimmers

We now have a calorie calculator for swimmers on the site. Swim away!

29th May 2021

New session

See our description of fartlek sessions.

28th March 2021

New tools

Use our treadmill conversion chart to quickly convert between miles per hour, kilometres per hour, minutes per mile, and minutes per kilometre. Perfect for treadmill runners.

9th March 2021

More cycling tools: speed tables

We've added speed tables for cyclists. Available in miles per hour and kilometres per hour.

6th March 2021

New Tool: Calorie calculator for cyclists

Yes, we know we're a running website, but people are finding the running calorie calculator so useful that we decided to also build a cycling calorie calculator.

24th February 2021

New Tool: Reverse Age Grading Calculator

Brand new calculator! Our reverse age grading calculator allows you to work out how fast you need to run to achieve any age-grading percentage.

21st February 2021

Age Grading Calculator Updated

We've updated our age grading calculator to use the 2020 road tables.

31st October 2020

New Calculator

We've got a new calorie calculator for runners.