미국의 경주 카테고리는 어떻게 결정됩니까?

나는 미국에서 자전거 경주가 전에 카테고리 2 경주 자라는 언급을 들었습니다 . 이 카테고리는 무엇이며 어떻게 결정됩니까?

일반적으로 사람들이 말하는 것은 미국 자전거 경주 카테고리 입니다.

Road Upgrades
Guidelines and Notes by Category:


5-4:   Experience in 10 mass start races.
         Local Associations may also establish policies where upgrade
         credit is given for taking asanctioned rider education clinic.

4-3:   20 points; or experience in 25 races with
        a minimum of 10 top ten finishes with
        fields of 30 riders or more, or 20
        pack finishes with fields over 50. 30
        points in 12 months is an automatic upgrade
        - USA Cycling-sanctioned rider camps and clinics that are
          approved by the Local Associations for upgrading will
          count as a maximum of three upgrade points when upgrading
          from category 4 to 3

3-2:   30 points
         40 points in 12 months is an automatic upgrade

2-1:   35 points
         50 points in 12 months is an automatic upgrade