Why we run: a natural history

Acknowledgments

Author's note

Prologue

1. Wind-in-the-face warm-up

2. Ancient runners and us

3. Start of the race

4. Back to the beginning

5. High school cross-country

6. College cauldron

7. How to reduce an insect's flight endurance

8. Ultramarathoners in the sky

9. The antelope's running prowess

10. The camel's keys to ultraendurance

11. Athletic frogs

12. To run on two (or more) legs

13. Evolution of intelligent running ape people

14. Running like dogs and cats

15. The fitness of being out of shape

16. Diet

17. Racing fuel

18. Training for the race

19. Final preparations

20. The race

Epilogue

References

Index.