DateExpected
Late August 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Gazebo at the south end of Sunset Bay State Park, Charleston/Coos Bay, Oregon
Coos Bay, Coos County
Countdown
August
The long one of the day: a half marathon on trails around Coos Bay, run as repeated loops that bring you back through the same aid station three times.
Key facts
01Reach the aid station after the first loop (about 6.5 miles) by 10:45
02Everyone must finish by 13:00
03No headphones, bicycles, animals, strollers, rollerblades or skateboards
Create a free training plan for the Sunset Bay Trail Runs 21 km
7-day free trial, no card required
The course
The route
Coos Bay
Distance21km
StartElevation
0 kmDrag map to rotate19.1 km
Weather
Late-August, Coos Bay
19°CTypical high
13°CTypical low
10°CColdest in 20 years
8%Days with rain
Highs around 19°C and lows around 13°C, but it has dropped to 10°C. Rain on 8% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Beatrice Oskin02:14:569.4 km/h
02Jade Howard02:16:599.2 km/h
03Mia Brines02:18:399.1 km/h
15
Women finishers
2:31:28
Median time
8.4 km/h
Median speed
Women · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Sunset Bay Trail Runs 21 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Sunset Bay Trail Runs 21 km plan targets
Typical sessions
21 km
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Sunset Bay Trail Runs 21 km plan.
7-day free trial, no card required.
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