It’s countdown to Kona time and Barry Siff of the Timex Multisport Team is reporting from the big island as elites and age-groupers get ready for the Ironman World Championship. Today’s edition is brought to you by 2tomsaustralia.com. Read More

Call it the "Mission Accomplished" edition of the Endurance Planet Hour. Today we'll hear from two guys who set lofty goals for 2010 and reached them. Tony Clark set out to run across the state of Kansas and raise at least $25,000 for the Wounded Warrior Project. Clark is our Trail Nerd of the Read More

This time around on our Week in Multisport edition with Barry Siff of the Timex Multisport Team we review races in locations ranging from Cancun to Branson, Missouri. And, as always, we discuss who is looking the most race fit with the Ironman World Championship looming. Today’s Endurance Planet is brought to you by Read More

On this week's Endurance Planet Hour we hear about the efforts of two men to run the length of the Erie Canal ... all 363 miles of it. We also hear about a fictional adventure, excerpted from "The Runner's Literary Companion." And we wrap up the hour by looking at scientific research on motivating yourself Read More

There isn't a female triathlete on the planet who races long distance more often than Hillary Biscay. And it's not just that she races often -- she races effectively. This coming weekend she'll be shooting for another Ironman Wisconsin championship (It'll be her seventh Ironman of the year.) On this week's Endurance Planet Hour, Hillary Read More

Imagine covering 44 miles in 25 hours -- not running, but swimming in open water. That's what our first guest, Jamie Patrick, did this month at Lake Tahoe. His thoughts on mental preparation for such an event are something that every endurance athlete should hear. We also talk to the women's champion of the Read More

Duncan Callahan had his doubts about whether he could win for a second time at this month's Leadville 100 -- he had some extremely stiff competition. Halfway through the race, Duncan was behind leader Tony Krupicka by more than an hour. That's when something unexpected happened. An interview with two-time Leadville champ Callahan, today Read More

This week we talk to an ultra runner who "lit a fire" under himself and used the motivation to win The Psycho Psummer 50k. He's our Trail Nerd of the Month, David Wakefield.

Understanding that many of you are gearing up for your goal race of the year, we hear from Ironman legend Mark Read More

Today's Marathon & Beyond Monday edition is a tale written by ultra-marathon pioneer Gordy Ainsleigh. Gordy is the man who -- in 1974 -- took part in the Western States 100-Mile One-Day Ride ... without a horse. Since then, the story has been told and re-told, but only one person knows the full truth. Read More

This week we talk about about the most famous cyclist in the world -- Lance Armstrong. We also hear from 24-year-old Abe Clark who ran unassisted across the United States. And we hear a story about an elite runner who started out with all the promise in the world, got distracted by the challenges Read More