Time trial kilometres per year
Number of time trial kilometres per edition.
| Year | Time trial KM | % of total km | #TTs | #TTTs | |
|---|---|---|---|---|---|
| 2025 | 6.4 | 1 | - | ||
| 2024 | 6.4 | 1 | - | ||
| 2023 | 6.3 | 1 | - | ||
| 2022 | 6.3 | 1 | - | ||
| 2021 | - | - | |||
| 2019 | 6.4 | 1 | - | ||
| 2018 | 6.3 | 1 | - | ||
| 2017 | 16.9 | 2 | - | ||
| 2016 | 6.4 | 1 | - | ||
| 2015 | 17.1 | 2 | - | ||
| 2014 | - | - | |||
| 2013 | - | - | |||
| 2012 | - | - | |||
| 2011 | - | - | |||
| 2010 | - | - | |||
| 2009 | 5.9 | 1 | - | ||
| 2008 | - | - | |||
| 2007 | 6 | 1 | - | ||
| 2006 | - | - | |||
| 2005 | - | - | |||
| 2004 | 6.3 | 1 | - | ||
| 2003 | - | - | |||
| 2002 | 6.1 | 1 | - | ||
| 2001 | - | - | |||
| 2000 | 6.4 | 1 | - |