← All events12hr MTBHard
3SIX12 12-Hour
12hr MTB XC endurance race at Newnham Park, Plymouth, Devon. ~5-6km singletrack laps, daylight into dusk. Solo/pairs/singlespeed. National championship venue (2025). Lights needed for final laps.
Date
25 Jul 2026
Location
Newnham Park, Plymouth, Devon
Category
12hr MTB — solo / pairs
Difficulty
Hard
The race
One lap
5.5 km
Per lap
125 m
Climb / lap
12 hr
Duration
2026 Results
Who finishes, and how
#NameLapsTime
01Scott ChappellSolo - Open 18-391611:12:16.7
02Stephen CrippsSolo - Open 40-4915—
03Grzegorz KrzywonSolo - Open 40-4915—
2026 results, as published by the organiser.
18
Solo finishers
11:12:16
Median time
12.5 laps
Median laps
Who this suits
Is 3SIX12 12-Hour for you?
- A broad endurance base and the handling to stay efficient on rough ground.
- Confidence on technical trail. Tired, wet or in the dark, the descending is where time is won and lost.
- A reliable stomach. You will be fuelling on the move for hours, and the day is won or lost on it.
Training plan
Training plan for 3SIX12 12-Hour
A training plan for 3SIX12 12-Hour isn't a generic base build. Beina reads the event's exact demands, looks at your specific profile and the time you actually have, and maps a highly adapted plan to the start line.
01 · Built for the event
What a 3SIX12 12-Hour plan targets
- A sustained 12hr effort
- Endurance and fatigue resistance over the full distance
- Fuelling and pacing for the whole event
02 · Key sessions
What your weeks look like
- Long endurance rides building toward the full distance
- Threshold and sweet-spot work for sustained power
- Terrain and skills practice specific to the course
03 · Shaped around you
Not a generic schedule
- 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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