Ryan Hall has been training hard to win the Boston Marathon this spring. He came on from Mammoth for a great conversation that really gives you some insight into why this young man is so special.

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J.P Theberge lost his leg below the knee in a motorcycle accident 13 years ago. Since then he has become a two-time ITU World Champion and is getting closer and closer to breaking three hours for the marathon.

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The Honda LA Marathon has a new course and a new attitude. Peter Abraham came on to talk about about everything that will be happening over the March 20-21 weekend.

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Eric Blehm is the best selling author of The Last Season and the recently released The Only Thing Worth Dying For. Eric came in studio to share what went into creating each of his books. It?s definitely not running, triathlon or cycling, but we guarantee that you?ll be moved by each of Eric?s books.

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Nick Radkewich was on the first ever US Olympic Triathlon team back in 2000 in Sydney, Australia and is now coaching. Yes, he was an Olympian and yes he ran at Notre Dame. But what is the most impressive stat on Mr. Radkewich? When he was 14 he defeated a fellow teenager for the IronKids National Championship named Lance Armstrong.

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John Brenkus is the Emmy Award winning creator, Executive Producer and host of ESPN's Sports Science. His stories on Nutty Buddy, doing the Ironman with Chris McCormack and basically being the Ultimate Crash Test Dummy are hilarious!

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Matt Reed was born in New Zealand, moved to Australia when he was nine and became a US citizen in 2007. He shares his stories about moving to France and Germany in his early 20?s to try to make it as a professional triathlete, which can be tough when you are 6?5? tall and are new to the language, the food and the culture. Matt overcame all the odds to represent the US in the Olympic Triathlon in Beijing.

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Australia?s Mirinda Carfrae, the 2007 Ford Ironman 70.3 World Champion, went to Kona this past October to try her hand at the world?s most important triathlon. So how did she do? She took second to England?s Chrissie Wellington and broke the women?s run course record (2:56:51) in her first ever marathon. The former basketball star discussed her quick transition from the hardwood to the lava fields.

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Kara Goucher was a 2008 Olympian at 10,000 meters where she took tenth in a personal best of 30:55. A few months later, she did her first ever marathon and took third in New York. In 2009 she took third in Boston where the top three were separated by a total of nine seconds. Later in the year she won the Rock ?n? Roll Chicago Half Marathon overall.

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Dathan Ritzenhein is a runner on a roll. In 2009 he set personal records at 5,000 (12:56.27), 10,000 (27:22.28), the half marathon (1:00:00) and the marathon (2:10:00). His 5K PR also happened to be the fastest 5000 in American history. Dathan came on a few days after celebrating his 27th birthday. Besides being a great runner, Dathan was also a blast to chat with.

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It has been 30 years since Tom Warren won the second ever Ironman Triathlon back in 1979. Tommy came on with us to talk about the early days of the sport and what he remembers from the race that did so much to put Ironman on the map.

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Jarrod Shoemaker is a Boston native who ran at Dartmouth, but didn?t get into the sport of triathlon until 2004. By 2008 he was on the US Olympic team and in 2009 he had a huge breakthrough when he won the Hamburg ITU race. Jarrod came in studio to talk about his racing, training and his plans for London and 2012.

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Nick Diaz is one of the most popular fighters on the Mixed Martial Arts (MMA) circuit. When he?s not choking people out, the guy also is a very good triathlete. He came on with us to chat about his two favorite sports!

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Clayton Treska was a 295 pound power lifter before making the decision to get into endurance sports. His goal is to complete the 70.3 event in Kona on June 5 and he insists that nothing will stand in his way. But first he has to prove the doctors who diagnosed him with Stage 4 Cancer in late July wrong.

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Part 2 of the Charlie Engle Interview: Ironman, Badwater, Furnace Creek 508, running across the Sahara...Charlie has done it all.

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Charlie Engle went from a life of drugs to life as an endurance animal. Now 47, he has completed everything from the Raid Gauloises to the Ironman to Badwater to the Furnace Creek 508.

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Fresh off his New York City Marathon victory, Meb Keflezighi came in studio to chat about coming to America at the age of 12, discovering running, his Olympic Silver in 2004, and the whirlwind his life has become since winning New York.

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Chris Lieto had the race of his life at the 2009 Ford Ironman World Championship, led for the better part of the day, but ended up second to a fast closing Craig Alexander. He came on to discuss his thoughts on the race and the improvements in his running that came from spending six weeks training in Mammoth.

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Andrew Messick, the main man behind the Amgen Tour of California, joined us to talk about what's new for the Tour of California in 2010.

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Roy Knickman came on the radioshow to chat about his cycling career and the challenges he and his family have faced since his 13 year old son Andreas was diagnosed with cancer.

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