Complex sentence: Fortunately for March, it was a wet day at the circuit and the driver (Howden Ganley) could not push the car too fast and the test was reported as a success by the media.
Split into simpler sentences: Fortunately for March, it was a wet day at the circuit and the driver Howden Ganley could not push the car too fast. Consequently, the test was reported as a success by the media.