Historic Wallace Idaho
Gyro Days 2016


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At Straight Up Noon, on Saturday, June 18, 2016, the Wallace Gyro Fraternal Organization dropped a large leather ball into the South Fork of the Coeur d'Alene River to begin the 75th Annual Mullan to Wallace Lead Creek Derby. Altho a gentle rain fell at times during the afternoon, lots of us had a fun day following the ball downstream along the Trail of the Coeur d'Alenes.

Winners of the 75th Lead Creek Derby

The Wallace Gyro Club sells chances on the time it takes for the ball to make it's seven mile journey to the Sixth Street bridge in Wallace. The money raised through ticket sales and bike ride registration goes to the Gyro Scholarship Fund which awards scholarships to local high school students for college or vocational school.

First Prize of $1000 worth of silver was won by Allie Greenfield from Mullan, whose ticket came the closest to the long winning time of 4:17:42

Win $1000 worth of 0.999 fine silver rounds
The First Prize this year was again $1000 worth of silver coins. The person whose computer-picked time is the closest to the Gyro Ball's crossing under the Sixth Street bridge in Wallace won $1000 worth of the Centennial rounds shown here. As in the past, thirteen other prizes for varying amounts of cash were also awarded.

The organization is always looking for silver coins and rounds to give away each year, so if you have silver rounds or bars to sell or donate, please contact Dean Cooper at the 1313 Club, (208) 752-9391.

  • 2nd - 6th won $100
    • Rich Shaw from Ohio
    • Dan Nelson from Coeur d'Alene
    • Harry Ludwig
    • Gary Garitone from Mullan
    • Paulette Blackstone from BC

  • 7th - 11th won $50
    • Eric Dunn from Mullan
    • Taylor Horning from Osburn
    • Cat House in Wallace
    • Kyle Glayn from Mullan
    • Teresa Richardson from Osburn

  • 12th - 14th won $25
    • Terry Lansdale from Wallace
    • Tucker Cox from Osburn
    • Norene Jones from Osburn

Tickets were $1 each. A computer program randomly matched each ticket number with a unique and precise finishing time. This year's winning time of 4:17:42 is paired with 113 inches, the maximum snow depth at the summit of Lookout Pass Ski Area during the 2015/2016 ski season.

Linear regression of the value pairs from the previous 14 years, yields this equation:
     winning time = -1.101*(max snow depth) + 397.9
     winning time = -1.101*(113) + 397.9
     winning time = 273.5 minutes = 4 hours, 33 minutes.
This predicted time was 16 minutes away from the actual time, which is consistent with the equation's R-squared value of 70%. Seventy percent of the variance in this population of 14 value pairs may be described by this straight line equation.

This is a fun example of faux-science, in that there is always a random amount of time spent rescuing the ball from obstacles and whirlpools. Human-Ball interactions cannot always be predicted.

Derby 74 June 2015 5:36:54 2014/15 season 78"
Derby 73 June 2014 4:21:59 2013/14 season 149"
Derby 72 June 2013 3:41:28 2012/13 season 103"
Derby 71 June 2012 2:56:48 2011/12 season 176"
Derby 70 June 2011 3:03:00 2010/11 season 192"
Derby 69 June 2010 4:54:13 2009/10 season 90"
Derby 68 June 2009 4:27:18 2008/09 season 144"
Derby 67 June 2008 3:09:24 2007/08 season 197"
Derby 66 June 2007 4:52:08 2006/07 season 163"
Derby 65 June 2006 3:44:44 2005/06 season 168"
Derby 64 June 2005 4:44:03 2004/05 season 85"
Derby 63 June 2004 3:49:54 2003/04 season 119"
Derby 62 June 2003 3:46:29 2002/03 season 130"
Derby 61 June 2002 1:59:44 2001/02 season 225"
  derby time and snowfall equation

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October 08, 2017
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This GYRO DAYS 2013 page was last modified on June 27, 2016.


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