Ultra-triathlon body of Ultra Triathlon. Ultra-triathlon An ultra-triathlon is a long-distance triathlon. The term generally refers to all triathlon events of distance greater than the Ironman Triathlon. Thus, every ultra triathlon event must involve more than of swimming, of cycling, and a full marathon () of running. The most common distances are the double, triple, quadruple, quintuple and deca triathlon. Unlike a standard triathlon event, an ultra-triathlon event may not necessarily involve the three component disciplines of triathlon (swimming, cycling and running) in direct consecutive order, but may instead consist of multiple consecutive individual triathlons performed on consecutive days. The IUTA
How to Make a Spaceship the one headed by Paul Allen and Burt Rutan, of SpaceShipOne. The book ends with an epilogue about Richard Branson's Virgin Galactic scooping up the SpaceShipOne technology, and the spaceplane itself ending up in the Smithsonian National Air and Space Museum. The book includes a preface by Richard Branson, and an afterword by Stephen Hawking. The book was originally entitled ""Beyond: Peter Diamandis and the Adventure of Space"", when it was sold preemptively to Penguin Books in 2014. "How to Make a Spaceship" was released in September 2016, in trade paperback, hardcover, audio book and e-book formats. The work was