Narberth Nobblers The Marreg 76km Ultra Marathon in April Near Pembrokeshire
The Narberth Nobblers The Marreg 76KM is a 76.00km-km ultra-marathon held in April, located in Pembrokeshire, Wales. This event features a challenging course with 2142metres meters of elevation gain, including 6 categorised climbs, the largest being 194metres meters over 2.10km km.
Participants will navigate a a to b route across trail terrain, supported by 4 aid stations spaced roughly every 19km km. The average temperature during the race is 8c°C, ideal for tackling the course.
Organized by Narberth Nobbler, the race has a cut-off time of 16hours hours, with entry fee of £65.
For more details, check below and download the GPX route file to start planning your adventure today!
Image
Distance
76.00km
Elevation
2142metres
Month
Country
Last modified
01/13/2026 - 15:02
Compare This Race
Find Accomodation
General Info
Organiser
Year Started
2026
Race continent location
Race county state
Race nearest town city
Race national park
Distance and Elevation
Race distance type
Race elevation type
Race elevation per km
28m/km
Race max elevation
531metres
Race lowest elevation
2metres
Race low high height diff
529 metres
Race uphill amount
45%
Race downhill amount
48%
Race flat amount
7%
Race steepest downhill amount
27%
Race steepest hill amount
39%
Race trajectory
down hill
Race trajectory difference
-250 metres
Race average altitude
200metres
Climbing
Race cat climb amounts
6
Race cat climbs total length
7.70km
Race avg cat climb elev
114metres
Race avg cat climb length
1.28km
Race avg category climb
3.83/4
Race cat biggest climb elevation
194metres
Race cat biggest climb length
2.10km
Race percent race cat climbs
10%
Race cat climb every km
12km
Timing and Cut-offs
Race days
1
Race days type
Race start time type
morning
Race time of day
Race finish cut-off time
16hours
Race time between CPs
4 hours
Race pace to finish
12 minutes 37 seconds
Race pace to finish decimal
12.37min/km
Race pace speed to finish
4.75kmh
Race time of week
Checkpoints and Support
Race support types
Race checkpoints amount
4
Race checkpoints distance
19km
Race checkpoints per 100km
5.20checkpoints/100km
Environmental Conditions
Average Temp
8c
Race temperature type
Race season held
Race country biodiversity ranking
142/201
Participants and Entry
Race utmb stones
0 stones
Race participant amount
100
Race entry type
Race entry fee
£65
Race entry fee per km
£0.85/km
Race yearly price
Race yearly price change price
£65.00
Race yearly price change year
2026
Race para yearly price
Race yearly price year
2026
Race yearly entry fee £
£65
Race yearly price total years
1
Total price increase
0%
Average Yearly Price Increase
0.00%
Performance and Difficulty
Race kilometer effort
97km-effort
Race DNF rate
0%
Race para faq
Race geoloc gpx