5.
Synchronised suspicion
6.
Marathon wet weather BBQ
7.
Team biscuit appreciation
11.
Competitive flood humour
15.
Outdoor middle-class problems
17.
Indoor polite graffiti
18.
Artistic cock drawing
19.
Ultimate protest sign-making
20.
Cross-country passive-aggressiveness
21.
The "not living up to expectations but still celebrating, because hey, at least we tried"-athon