Date
Sat, 3 Jul 2027
Start
09:00
Venue
Dorchester, Dorset
Dorchester, Dorset
Countdown
July
A 106 km single loop out of Dorchester, with a manageable 1,564 m of climbing. A proper day in the saddle for a fit rider, and a first edition to boot.
Key facts
01Start window is 09:00 to 09:15, so be on the line early
02No course cut-off, but all riders must be back by 16:30
03Ages 12 to 90; under 18s need parental consent and an accompanying adult
Create a free training plan for the Hardcore 100 Gran Fondo
7-day free trial, no card required
The course
The route
Dorchester
Distance106km
Total climb1,564m
StartElevation
0 kmDrag map to rotate104.5 km
Weather
Early-July, Dorchester
17°CTypical high
14°CTypical low
12°CColdest in 20 years
41%Days with rain
Highs around 17°C and lows around 14°C, but it has dropped to 12°C. Rain on 41% of days.
NASA POWER data, 2006-2025, the week either side of race day
Organiser
OrganiserUK Velo (trading name of ARETIA GROUP LTD)
Websiteukvelo.co.uk
Instagram@ukvelo
Running since2027
Training
Training for the Hardcore 100 Gran Fondo
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 Hardcore 100 Gran Fondo plan targets
Typical sessions
106 km with 1,564 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
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 Hardcore 100 Gran Fondo plan.
7-day free trial, no card required.
More events in July in United Kingdom
Winster Hill RaceThu, 1 Jul 2027 · Winster CP→Chevy ChaseSat, 3 Jul 2027 · Start: top of Ramsey Lane→Great Glen Ultra MarathonSat, 3 Jul 2027 · Fort William→Serpent TrailSat, 3 Jul 2027 · Sheet→The Buttermere HorseshoeExpected Early July 2027 · Loweswater Village Hall→Chiltern Ridge Half MarathonSun, 4 Jul 2027 · Wendover→
