Cousin Jack Returns with Ultra Jack: A Trail Runner's Ultimate Challenge Venture back onto Cornwall’s rugged coastal path as Bys Vyken Events presents "Ultra Jack," an intense trail race that pushes runners to their limits. This grueling course is known for its challenging terrain, featuring steep hills, muddy tracks, and rocky climbs that test even the most experienced athletes. The route winds through some of Cornwall's wildest landscapes, where bogs and unpredictable weather conditions add another layer of difficulty. Runners will encounter a relentless series of ascents and descents, making this race not just about endurance but also mental fortitude as you face the same course twice in one day for an ultra-distance challenge. For those looking to enhance their experience or ensure they're prepared for any condition, Bys Vyken Events offers the option to hire specialized gear such as waterproof coats. Detailed information on the event can be found at [www.bysvykenevents.com](http://www.bysvykenevents.com) and through social media platforms like Facebook and Instagram. Entry rules are strict: refunds must be requested up to four weeks before the start date, while deferrals are possible until two weeks prior. Note that deferred entries cannot be refunded for subsequent races. Participants should familiarize themselves with a comprehensive disclaimer outlining potential risks associated with trail running in varied conditions. This includes understanding weather impacts, terrain challenges, and environmental hazards. By signing up, runners agree to the event's terms and conditions, including data protection policies. In case of severe weather warnings issued by The Met Office (Amber or Red), the race may be canceled for safety reasons. If rescheduling is not feasible, participants will have the option to complete a virtual run instead. Experience one of Cornwall’s most demanding trail races where every step takes you deeper into nature's challenges and rewards.
Races Offered
Classic Jack Affilated
Mar 06, 2027
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Distance —
0K
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Running
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06:30
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£40.00
Classic Jack Non Affiliated (UKA/ARC Clubs)
Mar 06, 2027
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Distance —
0K
terrain
Type —
Running
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06:30
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£42.00
Classic Jack with Coach seat (Affiliated)
Mar 06, 2027
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Distance —
0K
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Type —
Running
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06:30
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£43.00
Classic Jack with Coach seat (Non Affiliated)
Mar 06, 2027
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Distance —
0K
terrain
Type —
Running
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06:30
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£45.00
Ultra Jack Affiliated
Mar 06, 2027
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Distance —
0K
terrain
Type —
Running
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06:30
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£62.00
Ultra Jack Non Affiliated(UKA/ARC Clubs)
Mar 06, 2027
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Distance —
0K
terrain
Type —
Running
timer
06:30
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£64.00
Weather History
These values represent the 3-year monthly averages for March in St Ives.
thermostatTemperature
7.3° / 11.0°
wb_sunnyFeels like
1.7° / 6.2°
light_mode
Avg sunshine hours
7h 1m
water_drop
Avg rainfall
4.0 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
22.9 km/h (Moderate breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (2.8)
humidity_mid
Humidity
83.1%
wb_twilight
Sunrise
07:32
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Sunset
19:27
About St Ives
Learn more about the host city, St Ives.
St Ives is a seaside town on the north coast of West Cornwall, near Penzance. In 2011 its population was 11,226.
