Events/The Original Growler

The Original Growler 33 km

MTBLoop
DateExpected
Late May 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
IOOF Park
Springfield, Lane County
Countdown
May

The short Growler: 33 km in one lap, and a fair way into a race with a long history. It rolls out with the 66 km riders, then you go your own way.

Key facts
01Starts alongside the 66 km riders, with a neutral 4-mile lead-out
02Riders under 18 need a parent or guardian to sign a waiver
03Aimed at experienced mountain bikers
Create a free training plan for the The Original Growler 33 km
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The course

The route

IOOF Park
Distance33km
Total climb784m
StartElevation
0 kmDrag map to rotate32.0 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
OrganiserGunnison Trails
Running since2008
Training

Training for the The Original Growler 33 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.

GarminWahooPolarHammerheadIntervals.icu
What a The Original Growler 33 km plan targets
Typical sessions
33 km with 784 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
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
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Get your The Original Growler 33 km plan.
7-day free trial, no card required.
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