Two runners

Speed of light 1

A little extra illumination from the refinery

Speed of light 2

Lone runner

This probably would have looked better with a tripod 1

Clever walking sticks lighting up the path

This probably would have looked better with a tripod 2

Speed of Light and Edinburgh's lights

This probably would have looked better with a tripod 3

Edinburgh at night from Arthur's Seat

The runners return to base