North Berwick made it five wins out of five in BT East One as they edged past Hawick Harlequins 17-14 on Saturday.
The East Lothian men have made a bright start to the 2015/16 campaign and at the weekend they showed the battling qualities needed to challenge for a title.
Their tries in this one came from Ben Inglis, Grant Spence and Murray West, with Grant Craig kicking a conversion.
They are now in second place on points difference to leaders St Boswells, who won 34-14 at Murrayfield Wanderers.
That victory in the shadow of the national stadium means that the Borderers have now won their last 50 competitive matches.
Linlithgow are third after they came back from Duns with 33-11 win, while Dunbar are fifth after they turned on the style to defeat Forrester 43-7.
Dalkeith were also in the tries away at Hawick Linden, recording a 52-10 win – their second league victory of the season.
Penicuik are still top of East Two after they went to Trinity Accies and won 17-5.
Ross High are second, but six points behind the Midlothian men after a 13-10 home win in Tranent against Portobello.
Edinburgh Northern scored a try at the death to defeat Inverleith 12-11, while Broughton won 24-10 away at Liberton.
Leith lost 30-12 at home to Langholm.
RDVC won 83-0 at Walkerburn in East Three to sit third with Edinburgh University Medics winning 48-0 against Lismore.