lonerun
nounUK /ˈləʊnrʌn/
US /ˈloʊnrʌn/
A lonerun is a run you do all by yourself.
She went for a lonerun along the beach before breakfast.
OTHER MEANINGS
2. A race in which each person runs alone rather than in a group.
The charity event was a lonerun, so everyone started at different times.
3. A quick dash made by one person to fetch something.
He made a lonerun to the shop for milk.
4. In gaming, a solo attempt at a level or challenge.
She beat the dungeon in a lonerun without any teammates.