Plan your race pacing with exact km or mile splits: even, negative or positive.
Race distance
Target finish time
A negative split means running the second half of a race faster than the first. A positive split is the opposite: going out quicker and slowing down. Even splits means holding the same pace all the way.
For most distance races, going out too fast costs more time later than it saves early on. Many of the fastest distance races have been run at close to even pace, often with a slightly quicker second half, so even or gently negative splits are a safe plan for most runners.
Move the slider left for a negative split or right for a positive split. Your finish time stays the same, and the pace changes gradually through the race rather than all at once at halfway. The summary shows your first half and second half times so you can see the difference.
Even pace for 3:30 is 4:59 per km or 8:01 per mile, which takes you through halfway in 1:45:00. Choose Marathon, enter 3:30:00 and the table shows every km or mile split. Move the slider left to plan a slightly slower first half.
Use whichever matches the markers on your course and your watch. Many UK road races are marked in miles, races abroad are usually marked in kilometres, and some show both. Switch between KM and Mile at the top of the splits table.
Yes. Use Print splits to print a copy you can cut down into a pace band, or Copy splits to paste them into your phone notes or a message.
On a hilly course, aim for even effort rather than even pace. Expect slower splits on the climbs and quicker ones on the descents, and use your planned splits as a check on the flatter sections.