Be level pegging
Definition 1 of 1
Pro Tip 1/3Sports Origin
The phrase originates from sports scoring systems, like in a race where competitors are side by side. 
With only one lap to go, the runners were level pegging.
Pro Tip 2/3Not Just Sports
It can be used in various competitions, as well as metaphorically in other situations implying equal standing. 
In the debate, both candidates were level pegging in the polls.
Pro Tip 3/3Temporary State
It suggests a temporary condition that could change with new developments or over time. 
The students were level pegging in grades, but finals could change that.