In the year 2000, the Japanese track cycling sport of Keirin made its Olympic debut at the Sydney Games. Wildly popular in Japan, Keirin races begin with the cyclists following a motorized pacer, who gradually cranks up the speed until the riders are released into a final frenetic sprint. Ashley Byrne talks to former Japanese cyclist, Shinichi Ota, about trying to win the first gold medal in the sport his country invented. The programme is a Made-In-Manchester Production.

PHOTO: A Keirin race at the 2016 Olympics (Getty Images)

In 2004, the Cameroonian triple-jumper Francoise Mbango made headlines around the world when she competed in the Athens Olympics with her head shaved. Mbango wanted to show solidarity with her mother, who was undergoing chemotherapy treatment for cancer. Mbango won a gold medal and went on to retain her title at the 2008 Beijing Olympics. She talks to Ian Williams about how motherhood inspired her journey to the very top of world sport.

PHOTO: Francoise Mbango after her Olympic victory in 2004 (Getty Images)

America’s Misty May-Treanor is the winner of three Olympic gold medals and the most successful women’s beach volleyball player of all time. Misty formed an almost unbeatable team with Kerri Walsh-Jennings, but she faced a tough personal battle at the London games in 2012, which she had decided would be her last competition because of persistent knee and Achilles tendon injuries. Misty May-Treanor talks to Jeremy Inson about her challenges on and off the court. The programme is a Whistledown Production.

PHOTO: Misty May-Treanor in action at London 2012 (Getty Images)

In the early 2000s, Afghan women and girls set up the country's first football teams. Now the Taliban has returned and women's sport has been banned. We speak to Shamila Kohestani, former captain of the Afghan women's team, about why she fought to play and why in Afghanistan, football was more than a game.

Photo: Woman's face painted with flag of Afghanistan (Getty Images)

In 1972, war veteran Murlikant Petkar won India's first ever Paralympic gold medal at the Heidelberg Games. Petkar had been shot and paralysed seven years earlier in a battle during the war with Pakistan, but then took up sprint swimming. He spoke to Adrian Moorhead in 2016. The programme is a Sparklab Production for BBC World Service.

(Photo: Murlikant Petkar with his medals)

At the opening ceremony of the 2008 Paralympics in Beijing, Chinese athlete Hou Bin stunned the huge global audience with an amazing feat of strength. As the world held its breath, he used a rope to haul himself, his wheelchair and the Olympic flame 39 metres into the air to light the cauldron. Hou Bin talks to Ashley Byrne. A Made In Manchester Production.

PHOTO: Hou Bin climbing to the top of the Olympic stadium (Getty Images)

In 1995, promising Kenyan runner Henry Wanyoike suffered a stroke and lost his sight. After initially feeling depressed, Henry learnt how to run tethered to a guide and went on to a set a series of long-distance running records for the blind. Henry Wanyoike talks to Alex Last.

(Photo: Henry Wanyoike, right, with his guide on a run in 2013. Credit: Getty Images)

At the Tokyo 1964 Olympics, British sweethearts Ann Packer and Robbie Brightwell became household names all over the world when they both competed in the running events. Ann would win a gold medal at her least favourite distance, the 800 metres, while Robbie had to make do with a silver in the 4x400 relay. As this was the amateur era, the couple retired after their first and only Olympic to get married and work as school-teachers. They talk to Ashley Byrne. The programme is a Made In Manchester Production.

PHOTO: Ann Packer and Robbie Brightwell pictured with their Olympic medals in 1964 (Getty Images)

At the London 2012 Olympics, Somalia sprinter Zamzam Farah became a crowd favourite after finishing last in her 400-metre heat by a whopping 27 seconds. Zamzam had grown up in war-torn Mogadishu, where she had to dodge violence from the militant Al-Shabab group while training on the so-called "Road of Death". Zamzam competed with her body fully covered, but, after the Olympics, her family in Somalia received death threats because of what Al-Shabab considered unacceptable behaviour for a Muslim woman. She remained in the UK and won asylum. Zamzam Farah talks to Ian Williams.

PHOTO: Zamzam Farah competing at the 2012 Olympics (Getty Images)

The first Olympic Games in Japan were held in 1964, less than 20 years after the country lost the Second World War. The bombed-out centre of Tokyo had been virtually rebuilt following the Allied Occupation, and the Japanese took the opportunity to showcase new technology such as the Bullet Train and colour TV broadcasts. Ashley Byrne talks to wrestling gold medallist, Yojiro Uetake, about his memories of the games. The programme is a Made In Manchester Production.

PHOTO: Japanese student Yoshinori Sakai about to light the Olympic Cauldron in October 1964 (Keystone/Getty Images)