Data drawn from the 2003 YB results:
Stanton Island, NY Club
Everett, WA Club
Rock River Racers, WI Club

Legends:

Miles = Aproximate Miles flown
Birds = Birds entered in the race
Top Speed = Velocity of the winning bird
10% Speed = Velocity of the 10th Percentile bird
Coefficient = 10% Speed / Top Speed

Only one race out of 29 examined
Received a Coefficient below 0.80

Under the Qualifying Race Rule:
Races with coefficients less than 0.80 (80%)
Would not count towards Series Average Speed

MilesBirdsTop Speed10% SpeedCoefficient
1002121485.9881374.6910.925102
1002621570.21498.9540.954626
1003711258.9921194.4480.948734
1503361718.2791462.2210.850980
1503812041.4881655.6820.811017
1502811499.9661327.1630.884795
2001871764.0951687.6060.956641
3502761779.7641438.9570.808510
1002051246.2171111.3840.891806
1502341243.9601157.7820.930723
2502391239.4491177.8220.950279
1002111755.6861732.8520.986994
1502111040.374 897.5730.862741
2001851271.9121253.6910.985674
3001061485.3171476.6830.994187
1001731487.1561459.0070.981072
1501731466.3761451.1510.989617
2001611321.4891285.0170.972401
3001021146.4811065.6740.929517
1503431378.1651307.2670.948556
2502491198.9241089.6060.908820
2003521158.673 978.6300.844613
300191 952.450 525.2470.551469
1503211333.2781186.3540.889802
3501661517.1671495.7970.985915
1502761397.3071142.4490.817608
2751991165.9411047.6420.898538
2002641254.1001143.0450.911446
3502581429.4791358.8920.950620
Average Coefficient 29 races0.907683