The Amazing Kidney Race Launch

So many races, so few Sundays!

On March 7, a smaller-scale but nonetheless still a good race will be staged — The Amazing Kidney Race.

Upon the invitation of Edward Kho, we attended a breakfast briefing at the Paul Calvin’s Restaurant at the Fort.

For race details, see our earlier post:  click here

Dingdong Biruar (RunMD) also ably provided  information about our kidneys  relevant to us, runners.  The talk was very interesting and very informative.   Interested?  Copied here notes from the presentation slides sent to us by Edward.   Read on…

Dingdong Biruar (RunMD) lecturing bloggers on relevant kidney info

our kidneys in relation to athletic performance

I am so torn… Since Jun will be out supporting Jay in his BDM 102 bid, it will just be up to me to decide.  Whichever way it goes for me, rest assured I am backing these 2 good races up.

Now, I’m pretty sure, these runner-blogger friends are as torn as I am.

runner-bloggers in support of the Amazing Kidney Race


Q: Why do some runners reach the point  of urinating blood during intense and  prolonged physical activity such as running?

A:  Haematuria

  • The reddish tints to the urine indicate the presence of this condition.
  • In most cases, the red cells and hemoglobin are being filtered into the blood via the kidneys, but the bladder may also be letting blood ease into the urine.
  • Linked with abrupt increases in the duration or intensity of training

Possible causes

  • foot-strike haemolysis (breaking down of red blood cells as a result of
    • The  impacts of      the feet with the ground during sporting activity)
    • renal ischaemia (lack of adequate blood flow to the kidneys)
    • hypoxic damage, the release of a haemolyzing factor during exercise
    • bladder and/or kidney trauma associated with exertion
    • the use of non-steroidal anti-inflammatory drugs
    • peroxidation of red blood cells
    • dehydration

Q:  How much should we drink prior to, during,  and after maximal prolonged exercise like long  distance races?

A:  No single formula fits everyone.

  • The length of exercise/activity, heat, humidity and the amount of sweat are all major considerations for keeping the body’s proper fluid balance.
  • During long bouts of intense exercise, it’s best to use a sports drink that contains sodium. – reduces chances of hyponatremia.
  • It’s generally not a good idea to use thirst alone as a guide for when to drink.
  • For maximum efficiency and well-being, drink about one-quarter liter of water every 10 to 15 minutes during periods of intense exercise.
  • Cool water gets absorbed faster than warm water. In some conditions you will lose water faster than you can replace it. Hence, rest breaks, during which fluid is consumed, become important. Tests indicate that a drink of six to eight percent sugar–specifically glucose, maltodextrin, or sucrose–gets absorbed as fast as plain water during periods of hard exercise with the added benefit of supplying energy for improved physical performance

Q:  Is it advisable to use salt tablets during long, intense workouts or runs/races?

A:  NO.

  • It increases the chances of disrupting the optimum electrolyte balance in the body.
  • Premise – Salt helps you retain water during exercise and, for another, salt stimulates the need to drink.
  • Fact – A balanced diet meets even the most active person’s requirements for electrolytes.

Actually, most sports drinks are low in salt.

Q: Is it alright to consume alcohol and/or fatty  foods immediately after an intense and
prolonged physical activity?

A: NO.

  • Fats decrease the body’s rate of absorption of nutrients.
  • Alcohol is a toxin that draws water out of your cells to “water down” increasing blood toxicity. – You must drink eight ounces of plain water just to balance one ounce of alcohol.
  • Reduction of strength, endurance, recovery capabilities, aerobic capacity, ability to metabolize fat and muscle growth – prompts more muscle soreness after  exercise  making recuperation periods longer
  • Increases heat loss – muscles to get cold thus becoming slower and weaker during contractions – reduction of endurance capacities
  • Increases metabolism of glycogen, thereby sparing fat making fat loss more difficult

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