2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Modelled energy-cost change 5.5% versus flat · net elevation -8 m
Decision summary
Lower than 65% of comparable mapped races
8:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Stored GPS route
Quick answers
raceindex.org has a GPS course file for Tollymore Extreme (Tollymore Trail Marathon), Newcastle Ultramarathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.
The Tollymore Extreme (Tollymore Trail Marathon), Newcastle Ultramarathon route has 1,630 m of ascent, 1,638 m of descent and an estimated 5.5% grade-adjusted pace penalty versus a flat route.
The Tollymore Extreme (Tollymore Trail Marathon), Newcastle Ultramarathon route starts at Tollymore Forest Park, Bryansford, Newcastle, Co. Down. Underfoot, expect mostly forest gravel road/service tracks (often rutted from rain, with leaf litter, fallen branches and mud) plus one short, slippery single-track section. It passes Shimna River, stepping stones, Parnell's Bridge, the Hermitage and Foley's Bridge. Organised by 26 Extreme, Northern Ireland's leading off-road event company (established 2009).
6. Autumn-colour timing in early-mid November.
The stored route produces 1,630 m of ascent, while a source states 1,045 m. GPS sampling and elevation models can produce different totals, so both are labelled rather than combined.
Its normalised GAP factor is 5.5% slower than a flat course, with about 1630 m of total ascent.
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