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GUILFORD COUNTY — Despite the fact that soaring temperatures canceled several events on Saturday, many went on as planned with extra caution. For Greensboro’s Fun Fourth 10k, that meant extra EMS and plenty of water on hand.

A record-breaking heat wave could not keep hundreds from giving it their all in the Fun Fourth Freedom Run.

“It was hot, definitely hot. But it was fun, definitely made it more of a challenge. It's my first 10K so there was no way that I was backing out after 16 weeks of training,” said participant Anna Greene.

There were plenty of EMS standing by to make sure everyone was being safe. Officials say they doubled the manpower. Rescue workers both on and off the course were watching everyone with a careful eye.

“[We looked out for] any kind of muscle cramps, heat emergencies, people that get too hot, they stop sweating, their body temperatures start to rise. So we're out here to make sure we can try to keep that all under control,” said Guilford County EMS Capt. Mike Hudspeth.

Hudspeth points out there are ways to still exercise and be safe.

“If you're going to be exercising, make sure that you're exercising at your ability. Keep your heart rate within that target heart rate range. Make sure you stay very hydrated today and try not to exercise in the heat the day, do it in the early mornings or late in the day, try not to do it in the heat of the day,” said Hudspeth.

Runners said the ice cold bottled water and cooling tents were an added blessing in the blazing sun.