DateExpected
Late February 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Cumming Tap, 117 N 44th St, Cumming, Iowa 50061
Cumming, Warren County
Countdown
February
A 100 km gravel loop in Warren County that has been running since 2009. Rolling rather than relentless, with about 1,000 m of climbing, so the real test is the distance.
Key facts
01Self-supported, so carry your own food, water and spares
02One checkpoint roughly midway around the loop
03Mass start, with results split by sex, age group, team size and bike type
Create a free training plan for the CIRREM
7-day free trial, no card required
The course
The route
Cumming
Distance100km
Total climb1,056m
StartElevation
0 kmDrag map to rotate101.6 km
Weather
Late-February, Cumming
4°CTypical high
-5°CTypical low
-24°CColdest in 20 years
18%Days with rain
Highs around 4°C and lows around -5°C, but it has dropped to -24°C. Rain on 18% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Zimmer, Matt03:07:4732.0 km/h
02Tweeten, Ryan03:08:0231.9 km/h
03Johnson, Brian03:21:5029.7 km/h
76
Finishers
4:21:46
Median time
22.9 km/h
Median speed
Overall · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Websitecirrem.com
Running since2009
Training
Training for the CIRREM
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 CIRREM plan targets
Typical sessions
100 km with 1,056 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
Group rides for drafting and bunch-riding skills
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 CIRREM plan.
7-day free trial, no card required.
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