Orange Curtain 100K/50K/30K/10K

How fast can you run 100 km?

The Orange Curtain is sponsor race of the Southern California Ultra Runner's Grand Prix Series.



  • Date for the next race is 2/25/2017.
  • The start time for 2016 is 6:00 am(100K), 7:00 am(50K), 8:00 am(20K, 10K).
  • Cutoff time has been extended to 14 hours.
  • Course has adjoining dirt path for 90% of distance.
  • Aid Stations will be located at the north and south ends of the course
  • Starting location is Liberty Park in Cerritos, 19211 Studebaker Rd, Cerritos, CA 90703
  • Parking is free at the start location.
  • Race course is certified by USATF, certification code: CA06004RS
  • ​Added 20K race for runners like to do 100K 5-leg group run, also fun run/walk for family/friend while waiting.



Photo Links: