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Arroyo Seco Freako Microthon:  Courses over the Years
Race Year(s) Course Length Start Location Finish Location Wash Crossings
West-to-East East-to-West
1975 2.5 mi UHP/LHP ? LHP ? DGD via UHP Trail crossing
1976 3.8 mi UHP Rd Jcn LHP Fire Camp DGD via UHP Trail crossing
1977 3.5 mi UHP Rd Jcn LHP Picnic DGD via UHP Trail crossing
1978-1982 4.2 mi UHP Rd Jcn UHP Rd Jcn DGD via UHP DGD via UHP
1983 5K + 200 ft Rd ^ East Lot Rd ^ East Lot none none
1984 planned 4.3 mi LHP Picnic LHP Picnic Trail crossing Trail crossing
1984-1997 5K LHP Carpark LHP Picnic none none
1998-2007 ~3.45 mi LHP Carpark LHP Picnic DGD via OGD E-Gate Br
2008-2012 3.33 mi LHP Carpark LHP Picnic DGD via UHP E-Gate Br
2013 3.24 mi LHP Carpark LHP Picnic DGD via UHP Trail crossing
Key to Start/Finish Locations
UHP - Upper Hahamongna Park (formerly Upper Oak Grove Park)
LHP - Lower Hahamongna Park (formerly Lower Oak Grove Park)
UHP Rd Jcn = junction of UHP road with UHP-to-LHP road
LHP Fire Camp - LA County Fire Suppression Camp in LHP
LHP Picnic = picnic area south of LHP baseball field
LHP Carpark = parking lot east of LHP baseball field
Rd ^ East Lot = Forest Service road above JPL's East Parking Lot
Key to Crossings of Arroyo Seco Wash
DGD via UHP = roadway atop Devil's Gate Dam via UHP bridge across Flint Cyn
DGD via OGD = roadway atop Devil's Gate Dam via Oak Grove Dr across Flint Cyn
Trail crossing = Trail across wash to/from JPL South corner fence
E-Gate Br = Bridge across wash at JPL's East Gate
"none/none" means that course stayed entirely on Start/Finish side of wash