Warning: Do not try to use these sample calculations to mark an actual track! These calculations are correct only for a track with the exact dimensions shown.
The drawing and calculations below are for a track with the same dimensions as the sample calculations example. Note the smooth juncture between the approach to and return from the water jump and the track. Curvature of circular portions of approach and return paths is less for paths which join the track closer to the beginning and end of curves.
COMPUTOMARX (TM) TRACK MARKING PROGRAM VERSION 9.20
COPYRIGHT 1975 - 1997 BY COMPUTOMARX (TM)
3604 GRANT CT.
COLUMBIA MO 65203-5800 USA
(573) 445-6675
ALL RIGHTS RESERVED
SAMPLE CALCULATION NUMBER ONE
CALCULATIONS FOR 400 METER TRACK
LINEAR OUTPUT IN METERS
NO CURB
COUNTER-CLOCKWISE ANGLE MEASUREMENT
NUMBER OF LANES: 8 LENGTH OF STRAIGHT: 97.511 MEASURE LINE RADIUS: 32.624
WIDTH OF LANES: 1.190 DISTANCE OF FINISH FROM CURVE: 3.210
STEEPLECHASE DATA
NO CURB FOR WATER JUMP PATH
ANGLE TO POINT OF DEPARTURE FROM TRACK: 45 00 00 B
ANGLE TO POINT OF JUNCTION WITH TRACK: 135 00 00 B
ANGLES AND RADII OF WATER JUMP
ANGLES RADII
APPROACH: 86 13 15 B 27.824
RETURN: 93 46 45 B 27.824
CIRCULAR ARCS JOINED BY STRAIGHT SECTION STEEPLECHASE COURSE
APPROACH
DISTANCE TO CENTER OF CIRCULAR PATH: 15.910
RADIUS OF CIRCULAR PATH: 16.514
ARC OF CIRCULAR PATH: 45 00 00
RETURN
DISTANCE TO CENTER OF CIRCULAR PATH: 15.910
RADIUS OF CIRCULAR PATH: 16.514
ARC OF CIRCULAR PATH: 45 00 00
LENGTH OF STRAIGHT SECTION INCLUDING WATER JUMP: 22.500
HURDLE LOCATIONS
WHITE
FIRST HURDLE 16 57 57 D
SECOND HURDLE 156 35 38 D
THIRD HURDLE -31.336 B
FIFTH HURDLE 27.669 C
STARTING LINE LOCATION: -20.649 B
WHITE
CURVED LINE COORDINATES
X Y
STARTING LINE ASSEMBLY LINE
SOLID DASHED
.000 .000 -3.000
.200 0.000 -3.000
.500 .002 -2.998
.800 .009 -2.991
1.100 .019 -2.981
1.400 .034 -2.966
1.700 .053 -2.947
2.000 .075 -2.925
2.300 .102 -2.898
2.600 .132 -2.868
2.900 .167 -2.833
3.200 .205 -2.795
3.500 .246 -2.754
3.800 .292 -2.708
4.100 .340 -2.660
4.400 .393 -2.607
4.700 .449 -2.551
5.000 .509 -2.491
5.300 .572 -2.428
5.600 .639 -2.361
5.900 .709 -2.291
6.200 .782 -2.218
6.500 .859 -2.141
6.800 .940 -2.060
7.100 1.024 -1.976
7.400 1.111 -1.889
7.700 1.202 -1.798
8.000 1.296 -1.704
8.300 1.393 -1.607
8.600 1.494 -1.506
8.900 1.598 -1.402
9.200 1.706 -1.294
9.500 1.817 -1.183
9.520 1.824 -1.176
LOCATION OF 1500M SPLIT: 152 29 23 D
SPLIT LOCATIONS
DISTANCE RUN DISTANCE REMAINING
400M -20.649 B -5.701 D
800M -18.158 B -8.193 D
1200M -15.666 B -10.684 D
1600M -13.175 B -13.175 D
2000M -10.684 B -15.666 D
2400M -8.193 B -18.158 D
2800M -5.701 B -20.649 D