The Bokeh can definately be a little busy at times - the tree to the top right of the runner in the third photo (Hartmann) is a case in point.
I much prefer the blurring of the 135L, I like to have a zoom for runners on a straight road race (to maximize the number of frames per runner)...
|Uplifting Colors by BBrooks|
|Hey! by Flor Tempra|
from Laughing Camera
|Nightshift by Hobbyfotograaf|
from - The Steel Worker - (Full Colours Only + A Border)