A 95 km (59 mile) mountain ultramarathon in the Cheviot Hills on the England–Scotland border, with approximately 3,926 m of ascent. The route traverses remote upland terrain including high ridges, open moorland and rough ground, often away from maintained paths. Elevation is gained through sustained climbs onto exposed summits followed by long descents into valleys. Underfoot conditions include grass, peat, bog and rocky sections depending on location and weather. Navigation requirements, checkpoints and support arrangements are defined by the organiser’s official race guidance.

A 51 km (32 mile) ultra in December with around 1,172 m of ascent, set in the Washburn Valley area. The course uses a mix of valley trails, woodland track and open hillside paths, with winter underfoot conditions likely to include mud and softer ground. The profile includes repeated climbs and descents across the route rather than a flat valley run. Race-day logistics, marking approach and any aid station detail should be taken from the organiser’s published event information.

A 54 km (34 mile) coastal ultra in Dorset with around 1,600 m of ascent, using cliff paths and coastal trail that create consistent undulation rather than a single climb. Underfoot conditions can include steps, narrow path, firmer track and rougher coastal trail depending on the section of coastline used. Event details such as marking, checkpoints and aid stations are set out by the organiser.

• Other races at the same event:
10k; Half Marathon; Marathon

A 54 km (34 mile) coastal ultra on the Gower Peninsula with around 1,100 m of ascent. The route typically mixes coastal path, beach sections and clifftop trail, with elevation gained through repeated short climbs and descents. Underfoot conditions can vary significantly across sand, rocky edges and firmer trail. Event-day logistics, navigation approach and aid station provision are defined by the organiser’s official event information.

• Other races at the same event:
10k; Half Marathon; Marathon

A 54 km (34 mile) ultra in the North York Moors with around 1,400 m of ascent. The route uses moorland trails, forest track and open sections that can be exposed, with climbing accumulated through repeated rises rather than a single sustained climb. Underfoot conditions can vary between firm track and softer trail depending on weather. Navigation, checkpoints and aid station detail should be followed from the organiser’s official event page.

• Other races at the same event:
10k; Half Marathon; Marathon

A 50 km looped ultramarathon in the Nidderdale Area of Outstanding Natural Beauty starting and finishing near Pateley Bridge. The route follows sections of the Nidderdale Way across moorland, farmland tracks and valley trails with sustained rolling elevation. Surfaces include stone track, grass paths and rural footpaths, with exposed sections on higher ground. The course is marked and supported with aid stations positioned around the loop.

• Other races at the same event:
Nidderdale Way 56 Mile Ultra Marathon

A 56 mile circular ultramarathon following the full Nidderdale Way through the Yorkshire Dales. The route traverses moorland ridges, valley paths and rural tracks with significant cumulative ascent spread across continuous undulation. Terrain varies from firm stone paths to rougher moorland trail, with exposure on higher sections. The course is marked with checkpoints and aid stations positioned at intervals around the loop.

• Other races at the same event:
Nidderdale Way 50K Ultra Marathon

A 53 km (33 mile) mountain ultramarathon in North Wales starting from the coast and climbing inland towards upland terrain including the Cyrn y Brain area. The route combines coastal sections, rural trails and hill paths, with significant ascent accumulated through sustained climbs onto higher ground. Underfoot conditions vary between trail, track and rougher hillside terrain. Course marking, navigation requirements and aid station details are specified by the organiser.

A 91 mile circular ultramarathon in North Wales following the Slate Trail around the historic slate landscapes of Snowdonia. The route links quarry tracks, rural paths and mountain terrain, with substantial cumulative ascent across varied ground. Surfaces range from firm track to rough trail, with exposure possible on higher sections. Navigation approach, checkpoints and aid station provision are defined by the organiser’s official event information.

A 50 mile ultramarathon along the Thames Path following the river corridor on predominantly flat terrain. The course uses towpaths, park trails and firm paths with minimal elevation gain. Surfaces are generally runnable throughout, though conditions can vary after rain. Course marking, checkpoints and aid station arrangements are defined by the organiser’s official event information.

• Other races at the same event:
Thames Path 100