1e combat explanation needed

Hello, how would the following situation be resolved? I'm confused on combat movement for a whole round. How would a DM resolve this combat round? TIA

Elf Thief scouts alone 90ft ahead of party (failed hide in shadows and move silently) runs into group of creatures.

No Surprise

Roll 1d3 distance

20ft apart

Round 1 actions

Thief flees back towards party 90ft

Fighter and Ranger charge creatures 110ft away

Creatures charge thief

Roll initiative

party segment 3

creatures segment 1

base movement

party 12

creature 9