Latest News
28th September 2025
New tool: Running Split Calculator
Our running split calculator shows you split times for any run distance and split distance
1st September 2025
New tool: Track Split Calculator
Work out number of laps and split and cumulative times with our new track split calculator
27th August 2025
New article: What's a Good 5k Time?
How good is your 5k time? Find out with our interactive guide
22nd August 2025
Average 5k Times
We've compiled a list of average 5k times. You can compare ages, genders, and countries and also discover average age gradings and VO2 max values.
14th August 2025
Cycling calorie calculator improvements
We've updated our cycling calorie calculator to account for ascents and descents.
Age Grading Calculator Updated
We've updated our age grading calculator to use the 2025 road tables.
1st August 2025
Updated running calorie calculator
We've updated our running calorie calculator with an improved method of accounting for downhill running.
3rd July 2025
New calculators: Hiking Calorie Calculator and Treadmill Calorie Calculator
We have two new calorie calculators for you. Our hiking calorie calculator provides a more-refined version of the walking calculator that accounts for rugged terrain and hiking equipment..
And our treadmill calorie calculator allows you to accurately calculate calorie burn for treadmill sessions, taking into account speed, duration, and grade.
Updated walking and running calorie calculators
We've also updated our walking calorie calculator, providing age and Nordic walking options. And our running calorie calculator, providing new calculations for over 60s.
4th June 2025
New calculator: Rowing machine calorie calculator
This new calculator lets you accurately calculate calorie burn on a rowing machine.
25th May 2025
New calculator: Stationary bike calorie calculator
Our new tool allows you calculate calorie burn on a stationary/static exercise bike.
25th April 2024
New interview: Colin Jackson and Ben Tansley
We caht to Colin Jackson and Ben Tansley about the Wings For Life World Run.
25th October 2024
New calculator: Running distance converter
Our new tool allows you to quickly convert between miles, kilometers, meters, yards, and a whole host of other metric and imperial distance units..
3rd October 2024
New feature: Race Profile
Our brand new Race Profile feature shows you everything you could possibly want to know about your race performance. Compare your performance to world record holders, check out some trivia, nerd out on stats, and find out how long it'd take you to run to the moon.
1st June 2024
New Article: Women and Running in 1980s Britain
Professor Tracey Loughran discusses women's magazines in 1980s Britain helped shape attitudes towards running as a sport for women.
29th April 2024
New Article: Runners and Corporeal Ambiguity
We have a very interesting article from John Day at Essex University, whose research considers how runners interpret bodily sensations.
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.