Table:
text: Six-day racing
Highest number of six-day victories
Highest number of six-day victories
Name_ Nationality Races_won Races_ridden Win_average
Silvio Martinello Italian 28 97 02887
Franco Marvulli Swiss 23 69 03333
Dieter Kemper German 26 165 01576
Emile Severeyns Belgian 25 151 01656
Andreas Kappes German 24 116 02069
Marco Villa Italian 24 141 01702
Rudi Altig German 23 79 02911
Ferdinando Terruzzi Italian 23 121 01901
Tony Doyle British 23 139 01655
Sigi Renz German 23 159 01447
Alfred Letourneur French 21 84 02500
Palle Lykke Danish 21 122 01721
Urs Freuler Swiss 21 139 01511
Gert Frank Danish 20 143 01399
Gerrit Schulte Dutch 19 73 02603
Reggie McNamara American 19 117 01624
Eddy Merckx Belgian 17 35 04857

text: Six-day racing
Highest number of six-day victories
Highest number of six-day victories
Name_ Nationality Races_won Races_ridden Win_average
Jan Pijnenburg Dutch 17 50 03400
Gerard Debaets Belgian 17 90 01889
Donald Allan Australian 17 107 01589
Matthew Gilmore Belgian 17 107 01589
Cecil Yates American 16 57 02807
Sid Patterson Australian 16 57 02807
Jean Roth Swiss 16 85 01882
Reg Arnold Australian 16 103 01553
Leo Duyndam Dutch 16 143 01119
Wilfried Peffgen German 16 188 00851
Francesco Moser Italian 15 35 04285
Roman Hermann Leichtenstinian 15 182 00824
Danny Stam Dutch 15 86 01744
Scott McGrory Australian 14 69 02029
Robert Bartko German 14 50 02800
Armin von Büren Swiss 13 58 02241
Jens Veggerby Danish 13 89 01461

text: Six-day racing
Highest number of six-day victories
Highest number of six-day victories
Name_ Nationality Races_won Races_ridden Win_average
Erik Zabel German 13 28 04643
Rik van Looy Belgian 12 43 02791
Graeme Gilmore Australian 12 100 01200
Iljo Keisse Belgian 12 50 02400
Gregor Braun German 11 44 02500
Günther Haritz German 11 83 01325
Robert Slippens Dutch 11 70 01571
Rolf Aldag German 10 29 03448
Horst Oldenburg German 10 100 01000
Lucien Gillen Luxembourgeois 10 116 00862
Wolfgang Schulze German 10 135 00741

text: Six-day racing
Highest number of six-day victories
Highest number of six-day victories
Name_ Nationality Races_won Races_ridden Win_average
Patrick Sercu Belgian 88 223 0.3946
Danny Clark Australian 74 235 03149
René Pijnen Dutch 72 233 03090
Peter Post Dutch 65 155 04194
Bruno Risi Swiss 61 178 03427
Rik van Steenbergen Belgian 40 134 02985
William Peden Canadian 38 127 02992
Etienne De Wilde Belgian 38 197 01929
Kurt Betschart Swiss 37 142 02606
Klaus Bugdahl German 37 229 01616
Gustav Kilian German 34 90 03778
Albert Fritz German 34 198 01717
Fritz Pfenninger Swiss 33 181 01823
Heinz Vopel German 32 74 04324
Piet van Kempen Dutch 32 110 02909
Dietrich Thurau German 29 97 02990

Question: What is the average win percentage of German racer Rudi Altig who has competed in over 79 races in the Six Days?