Second 100 – Subtract 5% from the first 100 calculated pace (the second is a flying start and should be faster) Third 100 – Add 7% to the second 100 calculated time. 400 Metre Pace. Running Pace Calculator Calculate your finish time for popular race distances (5k, 10k, 10 mile, Half Marathon, Marathon) based on your expected pace. Pace Chart for 400 Meters to Marathon Use this chart to figure out your pace for intervals, tempo runs or races. Find your running pace per mile, kilometer, yard or meter. It can also be used for training purposes through the multipoint pace calculator, convert between units of pace, and estimate a finish time. Calculate the distance you can run in a given amount of time, time required to run a specific distance, or your running speed. For example, find out what pace you need to keep to run a 28-minute 5K or a sub-2:00 half marathon. Pace Calculator. This free pace calculator computes pace, time, and distance, given values for two of the variables. Determine how fast your pace should be if you have a certain finish time for a desired distance or race. Calculator Use. How to calculate running pace. Use the calculator to figure out your pace per yard, mile, meter or kilometer, and view your splits in any of distance measurement. Share this: Click to share on Facebook (Opens in new window) Click to share on Twitter (Opens in new window) Click to share on LinkedIn (Opens in new window) Click to share on Reddit (Opens in new window) Click to email this to a friend (Opens in new window) Success in the 400 metres depends on speed and wise use of the energy pathways.The aerobic and anaerobic systems are triggered at different speeds (anaerobic systems are triggered at around 75% of 100 metres pace - aerobic threshold), and the aim should be to utilise the anaerobic alactic system for as long as possible. 3 min 4 min 5 min 6 min 7 min 8 min 9 min 10 min 11 min 12 min 13 min 14 min 15 min 16 min 17 min 18 min 19 min 20 min 21 min 22 min 23 min 24 min 25 min 26 min 27 min 28 min 29 min 30 min Calculate your running training paces - just enter a recent race time into our training pace calculator and we'll do the rest. To design those workouts he shares a simple formula for calculating pace for each of the four 100’s: First 100 – take your 400 time and multiply by .245. To use the calculator, first enter the total time of your run. Use this calculator to find average pace for running, biking, swimming or walking. Determine what your pace was for your training run around the neighborhood or track. Then, choose an option from the event drop-down list. What Can You Calculate with a Pace Calculator?