A Rules for Foot Orienteering Events - Orienteering USA

C.19.1 EMPHASIS: Long Distance Ski Orienteering races highlight route choices,
pacing of orienteering with route choices (fast skiing) and dense track systems
with a lot of map reading, physical endurance and ability to ski fast on
orienteering tracks.
C.19.2 COMPETITON: Long races are individual competitions. Mass starts with forking
are allowed.
C.19.3 COURSE: A blend of long route choice legs (3-4km) between controls and
challenging map reading/orienteering on dense track system areas (200-400m
between the controls). Forking and different loops are preferred. Several map
changes and public controls at the start/finish area.
C.19.4 CHAMPIONSHIPS: The U.S. Long Distance Ski Orienteering Championships
will be a single race competition.
C.19.5 MAP: Long uses map Scale 1:10,000 to 1:15,000. ISOM Standards apply.
C.19.6 CONTROLS: An ideal long course might have 15-45 controls, though more
might be required to present the optimum navigational challenge on a particular
map.
C.19.7 WINNING TIME: Long winning time should be 95-100 minutes for the Blue
course, 75-90 minutes for the Red course. Shorter as applicable for master’s
classes and Orange and White.
C.20 Ultralong
C.20.1 EMPHASIS: The event and the course highlights route choices, physical
endurance, and the ability to pace the event in the most economical way to
maintain strength until the finish.
C.20.2 COURSE: Recommended mass start with 3-6 loops with 1-3 forking controls on
the loop; usage of butterfly loops allowed. Less dense track system, very long legs
(5-6km) between controls
C.20.3 WINNING TIME: 2:30-2:45 for the elite men; 2:00-2:15 for the elite women.
Other classes should be 175% of the long distance times.
C.21 Relay
C.21.1 EMPHASIS: The course has short (