Methodology v1

Transparent by design.

AdventureLife National Trail Seedings are an independent editorial project, not an official federation ranking or qualification system.

Race score

Each eligible finisher receives a score from zero to 1,000. Sixty percent comes from position within the reported Men’s or Women’s field, forty percent from finishing time relative to that division’s winner, and a modest event-depth factor uses the total number of classified finishers.

Rolling score

The best result counts fully, the second-best contributes 25%, and the third-best contributes 10%. Further races can replace weaker results but cannot add unlimited volume points. Results expire 365 days after the race.

Distance bands

• Short: 5–6.9 km
• Medium: 12–15.9 km
• Half marathon: 18–22.4 km
• Marathon: 39–43.9 km
• 55K: 50–57.4 km
• 60K: 57.5–69.9 km
• 50 mile: 70–89.9 km
• 100K: 90–119.9 km
• 100 mile: 150–175 km

Identity and corrections

Runners are matched using normalized names and their reported division. We do not use dates of birth or private identifiers. Duplicate or incorrect names can be reported and corrected with a visible recalculation of the standings.