Middlesex were frustrated in their bid for victory at Bristol as the County Championship match with Gloucestershire finished in a draw.
Gloucestershire's last wicket pair of Anthony Ireland and Ian Saxelby held out for 22 overs as the home side finished on 174-9 after Middlesex had set the pace on the final day of the match.
Middlesex declared their second innings on 212-4 with Ed Joyce making 86 not out and Owais Shah 65 - a lead of 323.
Victory then looked a certainty as Gloucestershire slumped to 147-9 with Tim Murtagh (3-33), Alan Richardson (3-34) and Steve Finn (2-27) in the wickets.
However, Ireland and Saxelby then held out for the final 22 overs to take the score to 174-9 at the close of play. Gloucestershire took six points and Middlesex 10, which moved them second in the table.
Tomorrow (Wednesday) Middlesex return to Uxbridge for the top of the table clash with leaders Warwickshire.
Play starts at 11am at Park Road.