tracked leaders, led over 1f out, ran on well
chased leaders, driven along halfway, well outpaced final 2f
tracked leaders, every chance over 1f out, not quicken
held up, effort over 2f out, soon ridden and weakened
chased leaders, effort over 2f out, ridden over 1f out, one pace
pushed along halfway, soon well outpaced, lost place over 2f out