THE AUTUMN 100 IS A 100 MILE CONTINUOUS TRAIL RACE BASED IN THE TWINNED VILLAGES OF GORING & STREATLEY ON THE RIVER THAMES. THE COURSE REFLECTS THE SHAPE OF A CROSS AND TAKES RUNNERS ON A SERIES OF 4 DIFFERENT 25 MILE OUT AND BACK SPURS USING SECTIONS OF BOTH THE RIDGEWAY AND THAMES PATH NATIONAL TRAILS.