Racing Chapter Seven, a 4-year-old male trotter won eight of 10 starts in 2012 and equaled the world record of 1:50.1 on a mile racetrack and was named harness-racing’s 2012 Horse of the Year.

A winning percentage is the fraction of races won. To calculate the winning percentage divide the number of wins by the total number of races.

1. Calculate Chapter Seven’s winning percentage.

Chapter Seven received 84 of 146 votes for Horse of the Year, followed by Market Share with 41.

2. How many more votes did Chapter Seven receive than Market Share?

Chapter Seven equaled the fastest mile on a mile racetrack by winning the Nat Ray Invitational in 1:50.1 at the Meadowlands Racetrack. This time is read as 1 minute 50 and 1/5 seconds.

In horse racing, along with the finishing time, horses are clocked for each quarter-mile. These segments are called fractions. The time is recorded for each fraction.

3. For a race that is 1 mile long, how many fractions will there be? The picture above shows the fractions recorded during Chapter Seven’s win in the Nat Ray Invitational.

4. How fast did the horses trot the first 1/4 mile?

5. How fast did they trot the second 1/4 mile?

6. Compare the time for the first half mile to that for the second half mile. Which half mile was the fastest?

Click here and watch Chapter Seven win the Nat Ray Invitational and tie the world record! 1. Calculate Chapter Seven’s winning percentage.
Answer: 8 ÷ 10 = .8
Chapter Seven’s winning percentage is 80%

2. How many more votes did Chapter Seven receive than Market Share?

3. For a race that is 1 mile long, how many fractions will there be?