Trail
100K Ultramarathon
100 km
Start: Nov 11, 08:00 AM
185.00 EUR
Orange Curtain Run
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Trail in United States, Orange County
Distances
Running
100K Ultramarathon
100 km
Trail
50K Ultramarathon
50 km
Start: Nov 11, 06:30 PM
170.00 EUR
Running
50K Ultramarathon
50 km
Trail
30K Run
30 km
Start: Nov 11, 07:30 PM
160.00 EUR
Running
30K Run
30 km
Trail
10K Run
10 km
Start: Nov 10, 08:00 PM
140.00 EUR
Running
10K Run
10 km
Trail
12 / 6 Hour
Start: Nov 11, 06:00 PM
120.00 EUR
Trail
24 Hour
Start: Nov 10, 07:00 AM
130.00 EUR
About
A premier ultramarathon and multi-distance event in Southern California featuring 100K, 50K, 30K, Marathon, 10K, 24-hour, and 12/6-hour time-based challenges.
Catering & aid stations
On-course hydration and nutrition stations — details on each event page under Verpflegung.
Pacers
Pacers set target times per start wave shown on the Start/Results pages (Renntag für Laufende). Pacers wear visible pacer flags to guide participants and help maintain target pacing.
Results
View official resultsTypical weather in Orange County
Monthly averages based on historical data (2000–present).
Jan66°45°
↑ 06:57
↓ 17:06
Feb66°46°
↑ 06:37
↓ 17:36
Mar68°49°
↑ 07:02
↓ 19:00
Apr71°52°
↑ 06:21
↓ 19:23
May74°56°
↑ 05:51
↓ 19:46
Jun78°59°
↑ 05:41
↓ 20:05
Jul83°63°
↑ 05:53
↓ 20:03
Aug84°64°
↑ 06:15
↓ 19:39
Sep83°63°
↑ 06:36
↓ 18:59
Oct78°58°
↑ 06:57
↓ 18:18
Nov72°51°
↑ 06:25
↓ 16:49
Dec65°46°
↑ 06:50
↓ 16:45
What's included in entry
- Race bib
- Event T-shirt
- Goodie bag
- Chip timing
Prices & signup
- 100K Ultramarathon185.00 EUR
- 50K Ultramarathon170.00 EUR
- 30K Run160.00 EUR
- 10K Run140.00 EUR
- 24 Hour130.00 EUR
- 12 / 6 Hour120.00 EUR
FAQ
What distances are offered?
100K Ultramarathon, 50K Ultramarathon, 30K Run, Marathon, 10K Run, 24 Hour, and 12/6 Hour.
Is the course USATF certified?
Yes, the Marathon distance is USATF certified and part of the SoCal Road Grand Prix Series.
Are there aid stations?
Yes, on-course hydration and nutrition stations are provided.
Do I need a reflectorized vest?
Yes, required for 100K and 24 Hour events.
Can I register as a team?
Team registration options are available on the registration page.
Last updated: Jun 5, 2026, 11:57:04 PM
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