Complete
00:00:00
8 10 13 16 6 5 19 1 17 2 9 14 3 11 15 4 12 18 7
  1. 5a Travel by road without paying (9)
  2. 8a Character from an ancient Germanic alphabet (believed to have its own magical significance) (4)
  3. 9a Polite behaviour towards others (8)
  4. 10a Persuade with flattery (6)
  5. 11a Alter (6)
  6. 13a Musical composition played slowly and gracefully (6)
  7. 15a Difficult (6)
  8. 16a Someone excluded from the group (8)
  9. 18a Mechanical repetition of something to be learned (4)
  10. 19a Defining ideas and beliefs of a particular historical period (9)
  11. 1d Lasting one's whole existence (8)
  12. 2d Spike of frozen water (6)
  13. 3d Belief in a god (6)
  14. 4d Edible green pods (4)
  15. 6d Utter (3-3-3)
  16. 7d Swear word (9)
  17. 12d Naturally occurring sugar (8)
  18. 14d Strange eccentricity (6)
  19. 15d Painter of Rain, Steam and Speed (6)
  20. 17d Small duck found in northern Eurasia, which nests in tree holes (4)