Updated: Jul 25, 2020
This week sees the start of series 4 of the Ergo Challenge, with a die hard bunch of just nine spread over three teams.
There will be two challenges this week, a 500m and a 5000m piece.
As usual, please can you submit times online by 4pm on Sat.
Teams are here and you can see results any time here - just filter of Series 4 Week 1