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 Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it.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 77% of 50K races. Measured against 1034 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.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	10	Vidur Moudgil · 06:37:52	Melanie Boone · 05:14:52
2025	50km	8	Enrique Brenes · 04:27:15	Robin Rogers · 06:24:16

The field grew 25% between 2025 (8) and 2026 (10). 30% of the 2026 field were women.

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.

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 Shoes 50 km of road — cushioning that is still there in the last quarter.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 50 km, without the bounce.
Headlamps A 12.5 h limit puts you out there after dark.
GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

Adidas

Adizero Evo SL

RunRepeat found the Adidas Adizero Evo SL to be lightweight and well-cushioned, with a 100% Lightstrike Pro midsole and world-class Continental outsole. irunfar…

★★★★★ 4.7

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Naked

Running Band

Minimalist waist-mounted running band. Ultra-light alternative to a vest for shorter races.

$60 ★★★★☆ 4.3

Petzl

NAO RL

1500-lumen reactive lighting headlamp with 15-hour runtime. Automatic brightness adjustment.

$150 ★★★★★ 4.7

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7

All gear guides →

Overview

The Orange Curtain 50km Ultra Race (early start) is a 50-kilometer road race held in Cerritos, CA, in June. With 10 finishers in its latest edition, this race has a smaller field than 15% of 50k races.

The race employs a 12.5-hour time limit, which means runners must maintain a pace faster than 15 minutes per kilometer. This cutoff is tighter than 21% of 50k races, leaving less margin for error than most events of this distance. The course consists of a 10-kilometer out-and-back loop.

Similar races

Other 50K road ultras, closest in distance first.