Athletes gear up for Tahoe Ironman
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Many of the athletes have been training at Lake Tahoe over the past few months and have arrived early to get accustomed to the elevation.
Race Director Keats McGonigal says at this point, they've done everything they can to prepare.
"With the last couple days leading up to the race, most of the training for the athletes is done. They're into a phase that's called the taper phase where they're actually letting their bodies rest, recover, and rebuild so that they're about to be at their peak fitness come race day on Sunday."
The event is expected to bring 10-12,000 people to Lake Tahoe, making an economic impact of roughly $12-15 million.
McGonigal says the best places to watch are at Kings Beach where the swim begins and Squaw Valley at the finish line.
"The emotions that the athletes go through are pretty spectacular. It creates for a very emotional time for even the spectators coming and seeing the athletes that have been out there for 12, 14, 16 hours finally accomplishing the goal and achieving their dreams."
The race includes a 2.4-mile swim in Lake Tahoe, followed by a 112-mile bike ride and a 26.2-mile marathon along the Truckee River Trail.