A recent stint of 10 days in Font Romeu saw me training at altitudes of 1,400-1,900 metres. But is just 10 days enough to see any changes in one's running? I spoke with University Professor Charlie Pedlar about the effects of altitude training for a runner.

For the full video chat with Charlie: https://youtu.be/2x-U8NHInWk

For the main video about my time in Font Romeu: https://youtu.be/q_tcbnivI5o