Warming climate forcing marathon changes to keep runners cool
- Paul Grinvalds has completed 114 marathons in all 50 US states, but he still wilts when he races in temperatures beyond 16 degrees Celsius.
- It's the same for most runners, as the body can't cool down during exertion, and heat makes that even harder.
- "One thing about marathoners is typically we're kind of stubborn," Grinvalds, 68, said.
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- Paul Grinvalds has completed 114 marathons in all 50 US states, but he still wilts when he races in temperatures beyond 16 degrees Celsius.
- It's the same for most runners, as the body can't cool down during exertion, and heat makes that even harder.
- "One thing about marathoners is typically we're kind of stubborn," Grinvalds, 68, said.
Sources: ABC Australia