Cryptic crossword

ACROSS

1 Does well to run, and goes very fast (5,4,5)

9 Painful return for one working on wear and tear (7)

10 Qualified to perfect 22 across (7)

11 Did sergeant-major type over all the terms and conditions, in short? (5,5)

12 Was a little rascal in the boys' club rather than the scouts? (4)

14 Hold new band going in two directions (6)

15 Faithful wife had to run off after writer … (8)

17 …while American writers in the Home Counties displayed tense uncertainty (8)

19 One drew up round an eccentric (6)

22 Competent to lead, although being left embattled (4)

23 Present with popular paper, in short, at this time (4,3,3)

25 Show craftiness taking line away from obstacle on the circuit (7)

26 Would the editor step round central levy? (7)

27 Let's hear new prose composed by one who knows the correct procedure (6,3,5)

DOWN

1 Joins up with his intended, who's as good as he is (5,4,5)

2 Did bighead have to say no to everyone? (4-3)

3 Proves I'll get society organised, so pours out (6,4)

4 Yields, with little hesitation, to landlords (6)

5 Can throw cold water over drinks bottle (8)

6 Just beats some instruments, lacking energy (4)

7 Shut down, therefore, taking a business degree (7)

8 Strikers have to focus on getting ahead (6-8)

13 At no time, and under no circumstances, buy on hire-purchase (5-5)

16 Stores up small European fish (8)

18 Old sea dog led on about to follow the flag (7)

20 Calls to order before drink (5,2)

21 Passing over river on short rations (6)

24 Handsome fellow on song (4)