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ENDURANCE IS THE ABILITY TO PERFORM
WITH STAMINA, RESILIENCE AND FORTITUDE.
ULTRA K GIVES YOU THE UPPER HAND NEEDED FOR:

YOUR RACE. YOUR JOURNEY. YOUR POTENTIAL.

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Hurdle Drill Equations

  Strides per 400 Strides per Mile Strides per 5k Strides per 10k
 
           
Meters to Feet 1312 feet 5249 feet 16404 feet 32808 feet              
Meters to Inches 15,744 62,988 196,848 393,696              
Stride Length in Inches Strides Strides Strides Strides              
36 437 1,750 5,468 10,936              
48 328 1,312 4,101 8,202              
60 262 1,050 3,281 6,562              
72 219 875 2,734 5,468              
84 187 750 2,343 4,687              
Weight Lifted in pounds 9 oz Shoe #'s #'s #'s #'s              
36 246 984 3,076 6,152              
48 185 738 2,307 4,614              
60 148 591 1,845 3,691              
72 123 492 1,538 3,076              
84 105 422 1,318 2,636              
# of Hurdles x 2 steps 9 oz Shoe + 2# weight  9 oz Shoe + 4# weight  9 oz Shoe + 6# weight   9 oz Shoe + 8# weight   9 oz Shoe + 10# weight   9 oz Shoe + 12# weight   9 oz Shoe + 14# weight   9 oz Shoe + 16# weight   9 oz Shoe + 18# weight   9 oz Shoe + 20# weight   
500 2,560 4,560 6,560 8,560 10,560 12,560 14,560 16,560 18,560 20,560  
600 3,072 5,472 7,872 10,272 12,672 15,072 17,472 19,872 22,272 24,672  
700 3,584 6,384 9,184 11,984 14,784 17,584 20,384 23,184 25,984 28,784  
800 4,096 7,296 10,496 13,696 16,896 20,096 23,296 26,496 29,696 32,896  
900 4,608 8,208 11,808 15,408 19,008 22,608 26,208 29,808 33,408 37,008  
1000 5,120 9,120 13,120 17,120 21,120 25,120 29,120 33,120 37,120 41,120  
weight # 2 4 6
8
10 12 14 16 18 20  
                       
Stride Length in Inches % Change of 12 inches % Change 36 to 48/60/84 % Change 48 to 60/72/84                
36 0 0 0                
48 25 25 0                
60 20 40 20                
72 17 50 34                
84 14 58 43                
                       

 

  Strides per 400 Strides per Mile Strides per 5k Strides per 10k When you hyper extend a muscle group under light load and many reps over long periods of time, you recruit muscle without inducing bulk and without inducing scar tissue production. Thus, you get strong.
Meters to Feet 1312 feet 5249 feet 16404 feet
32808 feet
Meters to Inches 15,744 62,988 196,848 393,696
Stride Length in Inches Strides Strides Strides Strides
36 437 1,750 5,468 10,936
48 328 1,312 4,101 8,202
60 262 1,050 3,281 6,562
72 219 875 2,734 5,468
Weight Lifted in pounds 9 oz Shoe        
36 246 984 3,076 6,152
48 185 738 2,307 4,614
60 148 591 1,845 3,691
72 123 492 1,538 3,076
# of Hurdles Weight Lifted in pounds 9 oz Shoe 2# weight  Weight Lifted in pounds 9 oz Shoe 4# weight  Weight Lifted in pounds 9 oz Shoe 6# weight  Weight Lifted in pounds 9 oz Shoe 8# weight  Weight Lifted in pounds 9 oz Shoe 10# weight  Weight Lifted in pounds 9 oz Shoe 12# weight 
500 1,280 2,280 3,280 4,280 5,280 6,280
600 1,536 2,736 3,936 5,136 6,336 7,536
700 1,792 3,192 4,592 5,992 7,392 8,792
800 2,048 3,648 5,248 6,848 8,448 10,048
900 2,304 4,104 5,904 7,704 9,504 11,304
1000 2,560 4,560 6,560 8,560 10,560 12,560
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Isaiah's Story

Becoming an Uncommon Man with Ultra K

Meet Isaiah, a dedicated member of the 1st Ranger Battalion in Savannah, Georgia. His incredible journey not only reflects his commitment to becoming a state record holder and champion in track and field but also showcases his remarkable path to becoming an Army Ranger. Discover how he harnessed all the essential elements of Ultra K to achieve these extraordinary feats.


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