Thanks jfc. Another good example. I noticed sportcolour's link to this race for indivual sectionals doesn't work - I had dismissed the sectional information and the official 600 time worked ok when reviewing the race.

The wind speed at the time of this race was 28km/hr with gusts of 33km/h - this is not too high. The direction of the wind was down the straight and would have assisted fast last 600 times but this race was run with a fast first sectional into the wind hence a slower last 600 was possible.

I have also passed the question onto Sportcolour and waiting to see a response.

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Regards,
Pete