PTO ranks pros 40/30/30 on position / SOF / time. PTO-AG keeps that split but scopes scoring per AG. Race tier is curated. Overall score is the average of an athlete's best 4 race scores within a rolling 52-week window.
PTO-AG
PTO World Ranking System, adapted for age groupsTHE FORMULA
0.40 × position + 0.30 × SOF + 0.30 × time
Tier-based base points (Diamond 100, Platinum 95, Gold 90, Silver 80, Bronze 70).
WORKED EXAMPLE
| Athlete | David Lawrence |
|---|---|
| Race | 2025 Aquabike 70.3 Melbourne |
| Age group | M60-64 |
| Finish time | 2:57:16 |
| AG place | 1 of 19 |
| SOF (this race) | 78.4 |
| Race score | 122.8 |
See the full methodology for SOF computation, the bootstrap iteration loop, race-tier curation, and known limitations.