Hot Weather Running
Running in the heat can be dangerous if the proper precautions and preparations are not
followed. The following are some of the RRCA Sports Committee's recommendations for running
in a hot environment:
- Avoid dehydration!!! You can lose between 6 and 12 oz. of fluid for every 20
minutes of running. Therefore it is important to pre-hydrate (10-15 oz. of fluid 10 to 15
minutes prior to running) and drink fluids every 20-30 minutes along your running route.
To determine if you are hydrating properly, weigh yourself before and after running.
You should have drunk one pint of fluid for every pound you're missing. lndicators that
you are running dehydrated are a persistent elevated pulse rate after finishing your run,
and dark yellow urine. Keep in mind that thirst is not an adequate indicator of
dehydration.
- Run in the shade whenever possible avoid direct sun and blacktop. When you are
golng to be exposed, apply at least #15 sunscreen. Not only can the sun affect your
skin, but its rays can affect your eyes, so when it is sunny wear sunglasses that can
filter out UVA and UVB rays. Wearing a hat with a visor will not only shade your eyes
but also the skin on your face.
- When running, if you become dizzy, nauseated, have dry skin or the chills...STOP
running and try to get a drink. If you do not feel better, get help.
- If you have a heart or respiratory problem or you are on any medication, consult
with your doctor about running in the heat. In some cases it may be in your best
interests to run indoors. Also, if you have a history of heat stroke/illness, run with
extreme caution.
- Children should limit their running in the heat due to their lower toierance of heat.
- Avoid plastic sweat suits, late morning races, salt tablets, and consuming drinks with
high sugar concentration. Avoid running ill.
- DO wear light colored clothing, check hair and body for ticks after running in the
woods, drink plenty of water, listen to the race director's pre-race announcements
regarding the heat/humidity prior to racing, and tell someone your running route.
Ayne Furman, DPM and Cathy Fieseler, MD
These tips may be reproduced, courtesy of Road Runners Club of America
7/94
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