There's no official governing body, but there are some rules that have developed over time, codified by Teddy Keizer. Hikers need to ascend and descend at least 3,000 feet in elevation on their own for a summit to count, unless it's a traverse. Climbers also need to use a GPS satellite tracker so others can track their route and verify that they topped out. Here's an abbreviated look at the record over time.
Open a World of Adventure
Our Dispatch email delivers the stories you can’t afford to miss.