Trail races in the United Kingdom
1 marathon, 1 half marathon and 9 ultras on trails in the United Kingdom.
The next one is the Arc of Attrition 100 on 22 January 2027.
The flattest is the Arc of Attrition 20K (744 m of climbing); the hilliest is the Eryri by UTMB 100M (9,200 m).
For cool racing conditions, the Arc of Attrition 100 usually starts around 9°C.
UTMB
Arc of Attrition 100
Coverack, United Kingdom
22 Jan 2027In 3 months
Gain
5,507 m
Start temp
9°C
Entry
$395
Top 10, men 40–49: No data
173 kmTrailOpen entrycoastal
UTMB
Arc of Attrition 100K
Land's End, United Kingdom
23 Jan 2027In 3 months
Gain
2,708 m
Start temp
8°C
Entry
$315
Top 10, men 40–49: No data
82.7 kmTrailOpen entrycoastal
UTMB
Arc of Attrition 20K
Perranporth, United Kingdom
24 Jan 2027In 3 months
Gain
744 m
Start temp
8°C
Entry
$155
Top 10, men 40–49: No data
22.1 kmTrailOpen entrycoastal
UTMB
Arc of Attrition 50K
Harlyn Bay, United Kingdom
24 Jan 2027In 3 months
Gain
1,458 m
Start temp
7°C
Entry
$235
Top 10, men 40–49: No data
49.4 kmTrailOpen entrycoastal
UTMB
Eryri by UTMB 100M
Llanberis, United Kingdom
14 May 2027In 7 months
Gain
9,200 m
Start temp
15°C
Entry
$410
Top 10, men 40–49: No data
163 kmTrailOpen entryhilly
UTMB
Eryri by UTMB 80K
Caernarfon, United Kingdom
14 May 2027In 7 months
Gain
2,500 m
Start temp
13°C
Entry
$245
Top 10, men 40–49: No data
78 kmTrailOpen entryscenic
UTMB
Eryri by UTMB 100K
Llanberis, United Kingdom
15 May 2027In 7 months
Gain
5,800 m
Start temp
8°C
Entry
$310
Top 10, men 40–49: No data
108 kmTrailOpen entryhilly
UTMB
Eryri by UTMB 50K
Llanberis, United Kingdom
15 May 2027In 7 months
Gain
3,400 m
Start temp
11°C
Entry
$230
Top 10, men 40–49: No data
56 kmTrailOpen entryhilly
Lakeland 100
Coniston, United Kingdom
23 Jul 2027In 9 months
Gain
6,300 m
Start temp
18°C
Entry
$295
Top 10, men 40–49: No data
169 kmTrailLotteryhilly
Lakeland 50
Dalemain, United Kingdom
24 Jul 2027In 9 months
Gain
3,000 m
Start temp
16°C
Entry
$255
Top 10, men 40–49: No data
80.5 kmTrailLotteryhilly
Beachy Head Marathon
Eastbourne, United Kingdom
23 Oct 2027est.In 12 months
Gain
1,150 m
Start temp
11°C
Entry
$80
Top 10, men 40–49: No data
MarathonTrailOpen entrycoastal