| 1 | A | B | C | D | E | F | G |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | IAAF World Half Marathon Championships - Editions |  |  |  |  |  |  |
| 3 | Year | Edition | City | Country | Date | No. of athletes | No. of nations |
| 4 | 1992 | 1st (details) | Newcastle upon Tyne | United Kingdom | 19–20 September | 204 | 36 |
| 5 | 1993 | 2nd (details) | Brussels | Belgium | 3 October | 254 | 49 |
| 6 | 1994 | 3rd (details) | Oslo | Norway | 24 September | 215 | 47 |
| 7 | 1995 | 4th (details) | Montbéliard–Belfort | France | 1 October | 247 | 54 |
| 8 | 1996 | 5th (details) | Palma de Mallorca | Spain | 29 September | 209 | 53 |
| 9 | 1997 | 6th (details) | Košice | Slovakia | 3 October | 228 | 45 |
| 10 | 1998 | 7th (details) | Zürich | Switzerland | 27 September | 236 | 54 |
| 11 | 1999 | 8th (details) | Palermo | Italy | 3 October | 193 | 48 |
| 12 | 2000 | 9th (details) | Veracruz | Mexico | 12 November | 182 | 52 |
| 13 | 2001 | 10th (details) | Bristol | United Kingdom | 7 October | 202 | 52 |
| 14 | 2002 | 11th (details) | Brussels | Belgium | 5 May | 201 | 60 |
| 15 | 2003 | 12th (details) | Vilamoura | Portugal | 4 October | 171 | 49 |
| 16 | 2004 | 13th (details) | New Delhi | India | 3 October | 152 | 55 |
| 17 | 2005 | 14th (details) | Edmonton | Canada | 1 October | 156 | 43 |
| 18 | 2006 | 15th (details) | Debrecen | Hungary | 8 October | 141 | 42 (20 km race) |
| 19 | 2007 | 16th (details) | Udine | Italy | 14 October | 148 | 41 |
| 20 | 2008 | 17th (details) | Rio de Janeiro | Brazil | 12 October | 157 | 43 |
| 21 | 2009 | 18th (details) | Birmingham | United Kingdom | 11 October | 158 | 39 |
| 22 | 2010 | 19th (details) | Nanning | China | 16 October | 123 | 30 |
| 23 | 2012 | 20th (details) | Kavarna | Bulgaria | 6 October | 147 | 42 |
| 24 | 2014 | 21st (details) | Copenhagen | Denmark | 29 March | 201 | 56 |
| 25 | 2016 | 22nd (details) | Cardiff | United Kingdom | 26 March | 174 | 49 |
| 26 | 2018 | 23rd (details) | Valencia | Spain | 24 March | 279 | 80 |
| 27 | 2020 | 24th (details) | Gdynia | Poland | TBD | TBD | TBD |

Question: When and where was the 2008 IAAF World Half Marathon Championships held?
Answer: The 2008 IAAF World Half Marathon Championships was held in Rio de Janeiro, Brazil on 12 October 2008.