2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Modelled energy-cost change 0.3% versus flat · net elevation 0 m · true cost £201
Decision summary
Lower than 95% of comparable mapped races
Lower than 77% of comparable known fees
Historical race-date favourability, not a forecast
Stored GPS route
Quick answers
raceindex.org has a GPS course file for Endurancelife Suffolk (Dunwich) 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 Endurancelife Suffolk (Dunwich) Ultramarathon route has 247 m of ascent, 246 m of descent and an estimated 0.3% grade-adjusted pace penalty versus a flat route.
The Endurancelife Suffolk (Dunwich) Ultramarathon route starts at Courses start and finish at Dunwich on the Suffolk coast (start postcode IP17 3EN / Beach Road, Dunwich) and finishes at Dunwich, Suffolk. Underfoot, expect forest, moorland, grass and beach terrain, rated moderate in difficulty. It passes Dunwich and Suffolk coast. The event counts towards the Endurancelife 2026-27 trail running Seasonal Leaderboard, with points awarded based on performance across any distance category.
Fully marked courses requiring no navigation, with electronic timing providing instant results and split times.
The stored route produces 247 m of ascent, while a source states 344 m. GPS sampling and elevation models can produce different totals, so both are labelled rather than combined.
| Entry fee | £71 |
|---|---|
| Travel (modelled) | £40 |
| Accommodation (modelled) | £90 |
| Estimated total | £201 |
Its normalised GAP factor is 0.3% slower than a flat course, with about 247 m of total ascent.
The adult entry fee is £71, and the estimated true cost to the start line is about £201 including modelled travel and accommodation.
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