Cerritos, CA, United States · Friday, June 19, 2026

Fixed Distance 50K

Orange Curtain 50km Ultra Race (early start)

Race completed
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

33.8584° N, 118.0648° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 12.5 hours 15:00 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. More forgiving than 78% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~10 Tiny. You will run alone for most of it.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, June

Daytime high 27°C
Night low 14°C
Rainfall Dry — rain unlikely
Daylight 14 h 24 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 395 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 gear

With road terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of road.

  • Trail Running Shoes50 km of road — cushioning that is still there in the last quarter.
  • Race Nutrition50 km of self-supported fuelling between aid stations.
  • Hydration VestsFlask capacity for 50 km, without the bounce.
  • HeadlampsA 12.5 h limit puts you out there after dark.
  • GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
All gear guides →

Course Notes

Starting location is Liberty Park in Cerritos. Course is a 10 kilometer out and back.

Similar races

Other 50K road ultras, closest in distance first.