Glenbuck Loch, United Kingdom · Saturday, September 12, 2026

Fixed Distance 50mi

River Ayr Way Challenge

21 days to go

64 km Distance

not publishedn/a Climbing

3.2 est Grit · Challenging

Calculated from 64 km alone — the organiser has not published an elevation profile. Read 3.2 as a floor, not a verdict.

What the course asks

Time limit 10 hours 9:23 min/km average. Comfortable. Room to walk the climbs and stop at aid. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 64 km of trail.

Trail Running Shoes64 km of trail — cushioning that is still there in the last quarter.
Race Nutrition64 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 64 km, without the bounce.
GPS WatchesBattery life first — a 64 km day outlasts most full-GPS modes.

Brooks

Catamount 3

★★★★★ 4.5

Check Price

Adidas

Terrex Speed Ultra

★★★★★ 4.5

Check Price

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7

All gear guides →

Course Notes

From the source of the River Ayr at Glenbuck to the sea at the “old toun”.

Similar races

Other 50MI trail ultras, closest in distance first.