Sports4 min read
Average Cycling Speed: How to Work It Out Properly
45 km in 2.5 hours is 18 km/h, or 19.3 km/h if you only count 2 h 20 min of riding. See the formula, unit conversions and ride-time planning.
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14 articles
- Sports5 min read
Half Marathon Pace: What Per-km Pace Hits Your Goal Time
A 1:45:00 half marathon needs 4:59 per km (8:01 per mile) over 21.0975 km. See the pace formula, a goal-time table and how to split the race.
- Sports4 min read
Marathon Finish Time: From Pace or Speed to the Clock
At 6:00 per km a marathon takes 4:13:10, and at 5:30 per km it is 3:52:04. Learn the distance × pace formula and how to forecast from a 10K time.
- Sports6 min read
Riegel Formula: Predict Your Race Time
T2 = T1 × (D2 ÷ D1)^1.06. A 50:00 10K predicts about 1:50:19 for the half and 3:50:01 for the marathon. Learn where the estimate holds and where it breaks.
- Sports4 min read
Running Pace Per Km: Convert, Plan and Predict
Running 10 km in 50 minutes is a 5:00 min/km pace, or 12 km/h. See how to convert pace to speed and miles, and turn a target time into splits.
- Sports5 min read
Swimming Pace per 100 m: How to Work It Out
Swimming is timed per 100 m. If you cover 750 m in 15 minutes, your pace is 2:00 per 100 m. Here is how to find yours, set intervals and avoid traps.
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