I'm composing a fuller account, but in the meantime, here's the statistics:
Name ROPER, TOM (GBR) Club Seaford Striders
Runner No. 7665 Age group M50
TIMES
5 km 0:31:04 25 km 2:46:05
10 km 1:02:35 30 km 3:25:21
15 km 1:35:46 35 km 4:06:40
20 km 2:09:28 40 km 4:45:17
half 2:17:01 finish 5:01:05
TOTAL
Position (overall) 25767 Position (age group) 1434
Position (gender) 19085 Finish time 5:01:05
And an attractive representation of my decline and fall:
