Need Your Help! LJ

Hi guys!

3 months ago i made 250-251 LJ stats each day!
Since 1 month i cant get over 249 on LJ and dont know why!
I asked many people but each of this people told me
somthing completely different!
(i think i got much to low maxspeed
but dont know how to do it better)

So i ask YOU now!

here some stats :

Distance: 245.939407 MaxSpeed: 315.020935 (41.544) PreStrafe: 273.476654 Strafes: 5 Sync: 88
1 11.744 0.000 25.1 83
2 9.719 0.000 15.3 100
3 6.915 0.169 17.6 80
4 6.603 0.000 15.6 81
5 6.561 0.000 26.3 100

Distance: 247.469955 MaxSpeed: 317.054779 (42.562) PreStrafe: 274.492675 Strafes: 5 Sync: 90
1 15.707 0.000 27.7 100
2 10.870 0.000 15.2 100
3 7.242 0.986 18.0 90
4 6.508 1.052 15.3 81
5 2.233 1.956 23^

Distance: 246.112564 MaxSpeed: 314.967193 (42.802) PreStrafe: 272.164672 Strafes: 5 Sync: 74
1 14.869 0.000 24.5 92
2 8.259 0.846 13.1 88
3 6.511 0.237 16.6 63
4 5.196 0.000 16.9 41
5 7.965 0.000 28.7 90

Here my demo:

http://www.sendspace.com/file/j8gwqy

Please tell me what i could do better and how!

thx AvaTar

ups :(