Front-runner

Tom is the front-runner for this job.

Tom is the front-runner in polls.

Tom is the front-runner, based on polls.

Although he is the front-runner, the president is just one of 17 candidates running for the post.

But which stations will be finished first? Custom House and Tottenham Court Road are front-runners - the first because it is a relatively simple overground station and the latter because much of the work for the Elizabeth Line was completed as part of the rebuilding of the London Underground station.