A Rules for Foot Orienteering Events - Orienteering USA

C.21.3 MAP: The relay map shall use a map scale of 1:10,000. ISOM standards apply.
C.21.4 CONTROLS: An ideal relay course may have 9-25 controls.
C.21.5 WINNING TIME: 3 legs – the leg winning time 30-35 minutes both men and
women.
C.22 Sprint Relay:
C.22.1 EMPHASIS: The event and the course highlights (1) precise and smooth
navigation on dense track systems, (2) high speed map reading), (3) high speed
skiing on ski orienteering tracks, (4) route choices. The course has an even mix
(50%/50%) of longer route choice legs and short legs in a very dense track
system. Basically the characteristics of a slightly shorter Sprint race.
C.22.2 COMPETITION: Sprint relays are mass start, two competitors on a team. 6 legs
(three legs per competitor). The team can decide whether to start with a man or
with a woman. Change of order not allowed after the start draw.
C.22.3 Map: The sprint relay map shall have a scale of 1:4,000 to 1:10,000. ISOM
standards apply.
C.22.4 Controls: An ideal sprint relay may have 6-20 controls.
C.22.5 WINNING TIME: Leg winning time 6-8 minutes both men and women. Mass
start with 6 legs with 1-2 forking controls on the loop; preferably public controls
at the start/finish area halfway of the leg.
C.23 Control Set-up
C.23.1 A Control Flag shall mark each control location. The control flag consists of
three squares arranged in triangular form. Each square is a 30cm X 30cm and is
divided diagonally, one half being white and the other half orange (ideally PMS
165). At least two of the white triangles shall be adjacent to the upper edge of the
control flag. (Additional color of blue stripe 2.54 to 5.08 cm wide, centered,
vertically or along the diagonal divide is allowed)
C.23.2 Every control flag shall have a code card and marking device/s associated with it.
The relative arrangement of the control flag, control code, and marking devices
shall be the same for all the control locations on a course.
C.23.3 The control flag shall be hung at the feature indicated on the map. All controls
shall be situated on tracks shown on the competition map.
C.23.4 A Control Code shall identify each control location. The control code shall be a
number, not less than 31 or greater than 255. The same code shall be included on
the map. The figures shall be black; approximately 6-10cm high with a line width
of approximately 6-10mm. Ideally the competitor will only be able to read the
codes when immediately at the control flag.