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40/50 M Challenge - LCB Nov

40/50 M Challenge - LCB Nov, Stillwater
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Trail in United States, Stillwater

Distances

  • Trail

    50 Mile

    80.5 km

    Start: Nov 23, 02:00 PM

  • Trail

    40 Mile

    64.4 km

    Start: Nov 23, 02:00 PM

About

A continuous-loop ultra-distance trail challenge at Lake Carl Blackwell in Stillwater, OK, offering 40- and 50-mile options on a scenic 3.1-mile loop with full course support and a strict time cutoff.

Catering & aid stations

Fully stocked aid station at every lap; runners may access personal supplies at their staging area each loop.

Pacers

Pacers are allowed per event rules (location-specific and time-based). The 40/50 Mile Challenge runs continuously; while Next Loop participants start on the hour, 40/50 Mile Challenge runners race continuously and are scored separately.

Results

View official results

Typical weather in Stillwater

Monthly averages based on historical data (2000–present).

Jan48°30°
07:39
17:37
Feb52°33°
07:17
18:09
Mar63°44°
07:39
19:36
Apr71°52°
06:55
20:02
May79°62°
06:23
20:28
Jun88°71°
06:12
20:48
Jul93°76°
06:24
20:46
Aug92°75°
06:48
20:19
Sep85°67°
07:12
19:36
Oct73°55°
07:36
18:53
Nov60°44°
07:06
17:21
Dec50°34°
07:33
17:16

Weather data by Open-Meteo

FAQ

What distances are offered?

40 miles and 50 miles on a continuous loop.

Is there a time limit?

Yes; the event uses a 12-hour time limit.

Are pacers allowed?

Yes, pacers are allowed per event rules (location-specific and time-based).

Where is the event held?

Lake Carl Blackwell, Stillwater, OK.

Last updated: Jun 5, 2026, 08:11:57 PM

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