1. What is Half Marathon Speed?

The Half Marathon Speed Calculator determines your average running speed during a half marathon (21.0975 km or 13.1094 miles) based on your finish time. It helps runners analyze their performance and plan training strategies.

2. How Does the Calculator Work?

The calculator uses the basic speed formula:

Where:

• \( Distance \) — Half marathon distance (21.0975 km or 13.1094 miles)
• \( Time \) — Your finish time in hours, minutes, and seconds

Explanation: The calculator converts your time into decimal hours, then divides the standard half marathon distance by this time to get your average speed.

3. Importance of Pace Calculation

Details: Knowing your average speed helps in setting realistic goals, planning race strategies, and tracking training progress over time.

4. Using the Calculator

Tips: Enter your finish time in hours, minutes, and seconds. You can use the standard half marathon distance or input a custom distance. Select whether you want results in km/h or mph.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between speed and pace?
A: Speed is distance per unit time (km/h or mph), while pace is time per unit distance (min/km or min/mile).

Q2: What's a good speed for a half marathon?
A: Average speeds vary widely by fitness level. Beginner runners might average 8-10 km/h (5-6 mph), while elite runners exceed 20 km/h (12.5 mph).

Q3: Can I use this for other distances?
A: Yes, you can input any distance, though it's optimized for half marathon calculations.

Q4: How accurate is the calculation?
A: The calculation is mathematically precise, but actual race speed varies with terrain, weather, and race conditions.

Q5: Should I train at my target race speed?
A: Training should include a mix of speeds - some faster, some slower than your target race pace.