We are in a heatwave and despite this I have cycled for four and a half hours and walked for three hours and fourty minutes. For the bike rides I woke at 6am to avoid rush hour traffic, and to do things before the temperatures rose. Yesterday the temperature in Geneva reached 39°c. Just a few decimal places away from 40°c heat.
Despite the weak I still went for my afternoon walks, but it’s also because of the heat that I walked with 1.6 litres or more. During hot days I find that I can act normally, but I still try to keep myself hydrated. If I feel that I am overheating I pour water on my hat/helmet to cool down.
Keeping Cool
There are four ways to keep cool. The first is to stay hydrated. Drink a few sips every few minutes. The second is to wear a hat. By wearing a hat your head is not going to cook quite as fast as without. The third solution, which doesn’t require drinking water, is to drench your head/hat/hair when you come to a fountain, or when you feel that you’re reaching your limit to cope with the heat. I did so during two walks and two bike rides, since Sunday.
The final option is to become a morning person, to do things in the morning, before the sun heats the air and the ground.
Knackered
Yesterday I cycled to RomainMôtier and back. I was already fatigued from walking and cycling in the heat so when I got to Romainmôtier I felt faint, with a mild head ache. Due to the heat and slight change in hydration I thought that it could be heat stroke. I made it back to my car, had some food and I already felt slightl better, but I still felt knackered when I shopped for food so I got the bare minimum, rather than thinking about something more interesting to cook.
When I got home I had a siesta. I felt much better. I don’t know whether I became exhausted, of heat struck. Since sleep was enough to feel refreshed I think I had just exhausted myself.
Cycling With E-Bikes
The source of my exhaustion. I believe, is partly to do with the heat, of course, but it also has to do with the amount of energy that we burn when we’re cycling on normal bikes with other people on e-bikes. We pace ourselves according to the e-bikes, rather than our own speed.
An Easier Gear
I found that to avoid going too fast, on my bike, I had to change to an easier gear. I would pedal with the usual effort but cover less ground. This works very well, for pacing. I think that it does tire me more than if I was pedalling at a normal effort level and a regular speed. My motivation to use an easier gear, was, in part, to make a different effort, to get a workout, at a lower speed. It seems to have worked. It’s the 80/20 rule on a bike. Sort of.
The Ignored Temptation
When I was in RomainMôtier I was tempted to run my head under a fountain to cool myself down. I didn’t feel that I was cooking but I did feel a mild headache. Near the very end of the walk I did splash water on my head to cool down.
On warm days I am usually desperate for a coke or an electrolyte drink, and for once I ran out of drinks two nights ago, so I didn’t quench my first. I think it affected my endurance the next day.
And Finally
By going for two mid-afternoon walks during the heatwave I challenged my body. I then went for two bike rides where I got up at 0600 before cycling for three or four hours. If I was cycling alone I would have drunk one or two litres on both days. As I wasn’t I drank half a litre or less. Between sleeping a different schedule, walking in the mid-day heat, and then cycling two mornings in a row, I pushed myself to the point of exhaustion. Today I’m recovering. I will go for my afternoon walk but at least I will be well hydrated, and I was able to sleep to my natural wake up time, rather than an alarm.
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