To straggle
1.a. To move or proceed slowly or in a scattered or irregular group: “The millworkers straggled out for lunch”(Carson McCullers).
1.b. To move or lag behind another or others: “Bawling calves straggled after cows” (Jean M. Auel).
2. To extend or be spread out: “The willow herb straggled over the heaps of rubble” (George Orwell).
3. To hang limply or loosely: “the potbellied man, whose dirty hair straggled to his shoulders” (Stephen King).
n.
A scattered or disorderly group, as of people or things.
This is a fair description of a bicycle tour; a slow movement towards a goal with occasional halts or side trips and meetings with fellow travellers.