^^ have done in past. Conventional wisdom is lots of steady miles edit with specific intensive work /edit will give you more sustainable and long term better gains.
^ only got to that stage when running tired cos pacing wrong meself. Probably cold related though given your description though.
^^ have done in past. Conventional wisdom is lots of steady miles edit with specific intensive work /edit will give you more sustainable and long term better gains.
^ only got to that stage when running tired cos pacing wrong meself. Probably cold related though given your description though.