Battle Mountain: Graeme Obree's Story is an engrossing documentary film released in 2015. This remarkable story features several notable figures including Chris Hoy, Charlie Milarvie, and Euan Obree. This insightful and inspiring film primarily revolves around Graeme Obree, an exceptional road-racing cyclist and record breaker from Scotland.

The film depicts the story of Graeme Obree, a man who reached the pinnacle of his career in the world of cycling, only to struggle with issues related to mental health. Director David Street has masterfully portrayed Graeme's struggle and unwavering ambition which defined him as an extraordinary athlete. The film takes viewers on an emotional roller-coaster, capturing Graeme's ascent to stardom, as well as the obstacles he navigated throughout his life.

The film opens with Graeme Obree's early life, his upbringing in Scotland, and his inclination towards cycling from a young age. It transverses through his successful sprint to fame in the early 90s where he astonishingly broke the world hour record on a bike he built himself, known as “Old Faithful”. The bike was engineered from spare parts including bearings extracted from a washing machine, symbolizing his sheer dedication, inventiveness and passionate commitment to the sport.

Along with professional success, the film delves into his profound personal struggles. It openly discusses Graeme's fight against depression and bipolar disorder, not shying away from the genuine toll that mental health issues can take. It presents a raw and unfiltered picture of a world where triumph gets intertwined with struggles, both professional and personal.

Yet, "Battle Mountain: Graeme Obree's Story" is as much about his battle against his personal demons as it is about his passion and reverence for cycling. A major aspect of the film is centered around Graeme's audacious attempt to break the human-powered speed record. His determination to build a groundbreaking vehicle, the "Beastie", shows the audience the undying resolve of a man who simply refuses to be limited by the obstacles in his path.

A critical aspect of the movie is Graeme's intricate and involved process of building the "Beastie" from scratch for the competition held annually at Battle Mountain, Nevada, USA. The viewer witnesses not only the physical preparation but also the mental and emotional training that goes into such an endeavor, making this journey to victory so much more profound.

The movie intertwines his journey with heartfelt interviews with close family, friends, and associates, giving a more detailed and personal glimpse into the life of this enigmatic man. The audience will find themselves rooting for Graeme on his incredible journey, sharing in his successes and his setbacks.

The film's cinematography balances between Graeme's personal and professional life and the breathtaking vistas of Scotland and Battle Mountain Nevada, capturing the serenity, beauty, and harsh unforgiving conditions of these landscapes, reflecting in many ways the very nature of Graeme Obree’s life.

Chris Hoy, a six-time Olympic champion and a Scottish sportsman, makes an appearance in the film, lauding and reflecting on Obree's significant contributions to the world of cycling. Other notable figures featured include Graeme's son, Euan Obree, and Charlie Milarvie.

"Battle Mountain: Graeme Obree's Story" is as much an exploration of the bounds human spirit as it is a portrait of a man determined to live his life on his own terms, against all odds. Diving into the themes of resilience, passion, and the struggles of mental health, this film presents an intimate and inspiring tale of one of cycling's most enigmatic champions.

It captures the heartening message that every journey has its trials and those battles that appear insurmountable only propel us further towards achieving incredible accomplishments, making the victory that much sweeter. For fans of sport, biking, or students of the human condition, "Battle Mountain: Graeme Obree's Story" is an exhilarating ride that is well worth watching.