Loading Race For You
Loading page content.Distance guide
The 100-mile category ranges from flat riverside paths to technical mountain circuits. Compare the demands that will shape your race after darkness arrives.
Decision guide
At this distance, night exposure, navigation, support and cutoff pressure are decision-critical; unknown values remain visibly unknown.
Latest recorded source check: 2026-09-04
6 supported records
82 supported records
6 supported records
9 supported records
3 supported records
Curated, not faceted
Race For You difficulty
Very hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Race For You difficulty
Very hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Race For You difficulty
Hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Race For You difficulty
Hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Race For You difficulty
Very hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Race For You difficulty
Very hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Race For You difficulty
Very hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Race For You difficulty
Very hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Race For You difficulty
Hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Shanes Castle and Lough Neagh · Northern Ireland
Data PartialRace For You difficulty
Hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Race For You difficulty
Hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Race For You difficulty
Hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
UK Ultra South Downs
Plumpton Racecourse · England
Data PartialRace For You difficulty
Hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Scilly555
Five inhabited islands (daily island bases) · England
Data PartialRace For You difficulty
Hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
South Hams Ultra
Mothecombe, Flete Estate · England
Data HighRace For You difficulty
Very hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Race For You difficulty
Hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
St Ives / Huntingdon athletics track · England
Data PartialRace For You difficulty
Very hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Race For You difficulty
Very hard
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy.
Complete directory
The detailed cards above prioritise the next records in this collection. Every other permanent race route remains available here and through the full Explorer.
This page includes 82 current discoverable race records matching the stated geography or distance definition: 82 fixed-distance and 0 format-defined. Cross-border families appear only once under their permanent identity.
Edition facts retain official-source URLs and a last-checked date. Unknown distance, ascent, cutoff or price is shown as unknown instead of being inferred from another year.
