美国的赛车类别如何决定？

我之前听说过有人提到美国的赛车手是2类赛车手。这些类别是什么？如何决定？

— 安东尼·K
source

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

— 杰伊·康明斯
source

以及如何获得升级所需的积分？

— Anthony K

它在页面的底部：usacycling.org/news/user/story.php?id=580 您会获得放置点数，但会根据字段大小进行调整（因此，赢得4分的暴击您将得不到7分其他人！）。

— 杰·康明斯

澄清一下，每个人都从Cat 5开始，随着经验和技能的提高而升级。如果需要，您总是可以请求升级或降级，但是他们通常对此非常严格。同样，为自行车的每个“学科”（道路，赛道，自行车道，山地等）分别分配类别。因此，如果您全力以赴，那么您可以成为Cat 5公路赛车手和Cat 3越野赛。山地自行车只有猫1-3，所以初学者在那里是猫3。

— 诺亚·萨瑟兰