Time trial kilometres per year
Number of time trial kilometres per edition.
| Year | Time trial KM | % of total km | #TTs | #TTTs | |
|---|---|---|---|---|---|
| 2025 | 7.6 | 2 | 1 | ||
| 2024 | 7.7 | 2 | 1 | ||
| 2023 | 7.4 | 2 | 1 | ||
| 2022 | 6.6 | 2 | 1 | ||
| 2021 | - | - | |||
| 2020 | - | - | |||
| 2019 | 7 | 2 | 1 | ||
| 2018 | 7 | 2 | 1 | ||
| 2017 | 7.4 | 2 | 1 | ||
| 2016 | 7.4 | 2 | 1 | ||
| 2015 | 7.5 | 2 | 1 | ||
| 2014 | 6.9 | 2 | 1 | ||
| 2013 | 7.8 | 2 | 1 | ||
| 2012 | 8.2 | 2 | 1 | ||
| 2011 | 2 | 1 | - | ||
| 2010 | 2.5 | 1 | - | ||
| 2009 | 7.9 | 2 | 1 | ||
| 2007 | 7.1 | 2 | 1 | ||
| 2006 | 7.6 | 2 | 1 | ||
| 2005 | 7.5 | 2 | 1 | ||
| 2004 | 7.5 | 2 | 1 |