Endurance

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Across
  1. 6. Famous race through the Australian outback
  2. 9. a firm decision to do or not to do something
  3. 15. Attribute needed for survival in extreme conditions
  4. 16. Key attribute of long-distance runners
  5. 17. The "Iron Man" triathlon is a test of this
  6. 18. Stamina
  7. 19. Trait often associated with ultramarathoners
  8. 22. Famous endurance test held in Death Valley, California
  9. 23. What the tortoise demonstrated in a classic fable
  10. 24. Greek messenger known for his endurance
  11. 25. The capacity to last or withstand wear and tear
Down
  1. 1. 26 Mile run
  2. 2. Annual 24-hour sports event benefiting cancer research
  3. 3. Endurance event involving skiing, swimming, and cycling
  4. 4. A synonym for resilience
  5. 5. the quality or state of being physically strong
  6. 7. Ability to persevere despite obstacles
  7. 8. Long-distance running event held annually in Boston
  8. 10. A trait associated with endurance athletes
  9. 11. Endurance race with swimming, cycling, and running segments
  10. 12. Quality needed for long term
  11. 13. Distance covered in a 100-mile ultramarathon
  12. 14. Term for the body's ability to withstand physical strain
  13. 20. The "bark" of this tree is known for its durability
  14. 21. Term for the ability of a material to last without deterioration