Gets climb sections climb grade - UCI based, see https://bicycles.stackexchange.com/questions/1210/how-are-the-categories-for-climbs-decided categ are in difficulty descent order ( EGradeHC - most difficult, EGrade4 - less difficult )
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)