You've taken the quiz, here are the answers.

1. Which city hosted the inaugural IAAF World Youth Championships in 1999?

C: Bydgoszcz, Poland.

Britain's Mark Lewis-Francis was crowned the first 100m world youth champion with a winning time of 10.40, while a certain Anna Chicherova took the girls' high jump title with 1.89m.

2. At which world youth champs did Usain Bolt strike gold?

B: In 2003. The sprint icon made his first appearance on the world stage at the 2001 World Youth Championships in Debrecen, aged 14, but failed to qualify for the final. At '03 edition in Sherbooke he set a 200m championship record of 20.40, despite a -1.1m/s headwind.

Back then, Michael Johnson took note of Bolt, but wasn't quite convinced at the time saying: "It's all about what he does three, four, five years down the line." The boy did alright, didn't he?

3. Which future world 400m hurdles champion won a silver medal in the 200m at the 1999 World Youth Championships?

D: Melaine Walker clocked 23.72 on her way to silver, before collecting a gold medal with her Jamaican teammates in the 4x100m relay.

4. Which nation has won the most gold medals in the throws events at the world youth championships?

C: China

5. Which of the following nations has won the most gold medals at world youth championships?

B: Bermuda. Neither Canada, Spain or Nigeria have ever won a gold medal at the IAAF World Youth Championships. Could this stat change in Cali?

Natasha Hastings World Youth Champs ()

Natasha Hastings on her way to world youth gold in the medley relay

6. Which fashionable US athlete with a passion for pink struck gold in the 400m and Medley Relay at the 2003 World Youth Championships in Sherbrooke?

C: Natasha Hastings. The world and Olympic relay medallist followed up with a 400m/4x400m double gold at the 2004 World Junior Championships in Grosseto, Italy.

7. Allyson Felix was first and Kerron Stewart second in the final of which event at which world youth championships?

A: The 100m at the 2001. Felix won convincingly in 11.57 with Stewart clocking 11.72.

8. How many times has the US won the men’s 100m world youth title?

B: Only once. Prezel Hardy took the 100m crown in 2009 in Brixen, Italy in 10.57.

9. Ostap the Gopher was the official mascot at which world youth champs?

C: Donetsk, Ukraine. There's a lovely story behind the little gopher. Read about it here.

10. Kenya won silver and bronze in the boys 800m at the 2009 World Youth Championships, but an athlete from which country surprisingly struck gold?

B: Johan Rogenstedt of Sweden was the surprise victor over two laps.

11. What age was Kirani James when he won a 400m silver medal at the 2007 World Youth Championships in Ostrava?

A: James was only 14 years old. Four years later he won the world championships in Daegu, five years later the Olympic title in London.

12. In which event at the 2009 World Youth Championships did Suphanara Suksawat become Thailand’s first ever world athletics champion?

D: He won the long jump title with a PB of 7.65m. In the same championship Suksawat also took silver in the triple jump with 15.70m.

Mascot Ostap at the IAAF World Youth Championships 2013 (Getty Images)

Ostap the Gopher – 'co-founder' of Donetsk

13. Which nation claimed an unexpected 1-2 in the boys 100m at the 2003 edition?

D: Saudi Arabia. Fun fact: Both athletes' first name is Yahya.

14. Sally Pearson (nee McLellan) struck gold in the 100m hurdles at the 2003 World Youth Championships. But in which position did she finish in the 200m?

D: Fifth

15. Which country has never won a gold medal in the boys high jump?

B: South Korea

16. Which endurance event produced the three fastest youth times in history for all three medallists at the 2005 World Youth Championships?

B: The boys 2000m steeplechase. Abel Mutai Kiprop recorded a then world youth best of 5:24.69 which still ranks him fourth in the all-time lists.

17. Darya Klishina pipped Ivana Spanovic to long jump gold by 0.06m at which championships?

C: At the 2007 champs in Ostrava. Klishina's winning 6.47m were also a championship record.