Some use the word "sport" when referring to Parkour/Freerunning/Art du Déplacement. We do not.

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Sport:

Noun
1. an activity involving physical exertion and skill in which an individual or team competes against another or others for entertainment.

This one, we'd agree with:
Verb
1. amuse oneself or play in a lively, energetic way.
"the children sported in the water"

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We prefer to refer to it as a discipline. As it was originally meant to be. No competitions, no teams, no federations... only the spirit of the discipline was needed.

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Discipline:

Noun
1. activity or experience that provides mental or physical training.
2. a branch of knowledge, typically one studied in higher education.

Verb
1. train oneself to do something in a controlled and habitual way.

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Of course, play and creativity are still a big part of what we do. But it is not just throwing ourselves around until we "land" something "cool". We strive for discipline, safety... in our play and creativity as well! Yes, we take risks too... it's always there, but we manage it.

Training should come from the heart, not the ego in the head.

Wild souls... but disciplined.