has hosted over 1,000 different programme episodes. In June 2010, it was announced that Keoghan would host and produce a new reality series about the Velux 5 Oceans Race. He told TMZ in 2010 that during the 10th season of The Amazing Race he was detained in Ukraine for two days until the U.S. ambassador in Ukraine intervened to free him. Keoghan hosted National Geographic Explorer starting in the show's 11th season, to start airing in 2018. According to Keoghan, he had wanted to produce for Explorer and he and his wife-to-be had even filmed and submitted a pitch tape to the show's production at that time. No Opportunity Wasted While 19 and filming for Spot On, Keoghan and a partner dived down to the shipwreck of the MS Mikhail Lermontov, underwater. During filming, he was separated from his partner in the ship's ballroom and suffered a panic attack, considering it a near-death experience. He was rescued by his dive partner, and though shaken, insisted on facing his fear and returned the next day to complete filming. From then on, Keoghan set out to live his life to the fullest by accomplishing exotic goals and taking risks, creating a "No Opportunity Wasted" (NOW) list of activities he wanted to complete in his life; In his book No Opportunity Wasted, Keoghan wrote: Since then, Keoghan has broken a world bungee jumping record, gone diving in the world's longest underwater caves, eaten a meal on top of an erupting volcano, and renewed his vows underwater while feeding sharks. He was a guest on The Oprah Winfrey Show, where he shared with Oprah his list of things he wants to do before he dies. Keoghan co-developed the television show No Opportunity Wasted, initially premiering in 2004, that reflected on this "No Opportunity Wasted" mantra. He also wrote a companion book, No Opportunity Wasted: 8 Ways to Create a List for the Life You Want. Cycling Keoghan is an avid cyclist. From 28 March to 9 May 2009, Keoghan performed in "Ride Across America", in partnership with several organisations including GNC, to raise money for multiple sclerosis research. Keoghan and others biked from Los Angeles to New York City, averaging per day. Keoghan stopped in 39 cities en route, attending various events and participating in casting for season 15 of The Amazing Race; the ride culminated a day before the finale of season 14.