DateExpected
Late May 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
IOOF Park
Springfield, Lane County
Countdown
May
The big one: 66 km and 1,600 m of climbing in a single lap, a proper day out on the bike. Take it seriously, because the course closes behind you.
Key facts
01Cut-offs keep riders from being on course after dark
02Neutral 4-mile lead-out from the start, shared with the 33 km riders
03Riders under 18 need a parent or guardian to sign a waiver
Create a free training plan for the The Original Growler 66 km
7-day free trial, no card required
The course
The route
IOOF Park
Distance66km
Total climb1,609m
StartElevation
0 kmDrag map to rotate57.9 km
Weather
Late-May, IOOF Park
17°CTypical high
7°CTypical low
3°CColdest in 20 years
39%Days with rain
Highs around 17°C and lows around 7°C, but it has dropped to 3°C. Rain on 39% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
Training
Training for the The Original Growler 66 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 The Original Growler 66 km plan targets
Typical sessions
66 km with 1,609 m of climbing
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Sustained climbing repeats on real gradients
Terrain and skills practice specific to the course
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 The Original Growler 66 km plan.
7-day free trial, no card required.
Other races at The Original Growler
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