A distance–time graph can show you who is winning (or losing) a race at any point in time. Now read this passage to see how such a graph can tell the story of a whole race.

Click to read Ahead or Behind?  (PDF).

After you have finished reading the passage, answer this question in two to three sentences: During which section of the triathlon—swimming, biking, or running—were the racers going the fastest? How do you know? Use the idea of "steepness" in your answer.

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