An amazing feat!

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Across
  1. 2. The family name of the 1st woman who ran an official marathon in 1967
  2. 4. The opposite of "win"
  3. 7. The English for "autorisé"
  4. 8. An American city
  5. 10. A very, very long race
  6. 11. The English for "Adversaire"
Down
  1. 1. The family name of the Boston marathon director in 1967
  2. 2. The NFL most important game
  3. 3. Vegetarians eat a lot of that food on Superbowl Sunday
  4. 5. The opposite of rest
  5. 6. In a marathon, runners dream of crossing (franchir) it!
  6. 9. A crazy man (the US President)