A Rules for Foot Orienteering Events - Orienteering USA

A.22.3.2 U.S. Championship categories/courses shall be as follows:
v) Lowest point teams shall have no more than two segments of Orange
(moderate) level difficulty, the remaining segments being equivalent to
Brown through Red difficulty.
w) Medium (to High) point teams shall have no more than one segment of
Yellow (easy) level difficulty, no more than one segment of Orange
(moderate) level, any other segment equivalent to Brown through Red
difficulty.
x) Optional - High point teams shall have no more than two segments of
Yellow (easy) level difficulty, no more than two segments of Orange
(moderate) level, any other segment equivalent to Brown through Red
difficulty.
A.22.3.3 ELIGIBILITY: U.S. Relay Orienteering Championship teams represent
chartered Clubs. All team members must compete for their primary club and
meet the individual U.S. Champion eligibility requirements .
A.22.4 Technical Rules
A.22.4.1 Relays may be made up of legs of Sprint, Middle, or Long Format. Map and
Course Design considerations for each leg will follow the applicable rules.
A.22.4.2 TERRAIN SELECTION: Choosing terrain with an arena for the start, finish,
exchange, and spectating is extremely important for the relay event. The
terrain should provide a fair test of orienteering for all skill levels, and shall not
be so extreme physically or technically, as to exaggerate team separation.
Varying visibility conditions are desirable.
A.22.4.3 Relays shall be made up of at least two segments.
A.22.4.4 Each relay team competing in the same category shall run the same
combination of legs, whether in the same order or in a different order shall be
at the discretion of the event organizers.
A.22.4.5 COURSE PLANNING: Relay courses should provide spectating opportunities,
most typically at least one loop through the spectator area, in addition to the
final approach to the Finish. The courses shall test all skills as the terrain
allows, with a special attention to route choice and varied visibility to increase
the competitive excitement. The course design may incorporate a forking
system, provided that all teams ultimately run the same legs, and the last
section of the last leg, roughly 1.0km, must be common for all teams.
A.22.5 Scoring and Timing