charlie never liked this, but ill take a stab at it. deceleration in 50m segments from 50m onwards went 4.20, 4.52, 5.00. my optimism says turn last 50 to 4.84 so that chips it to 19.25. factor in 1.4 wind differential which may honour about 0.07 then it goes to 19.18. and the 150 would go to 14.34