Rider Type · Data-Derived
Diesel / Rouleur
Consistent across the ride. Aerobic engine that keeps firing late in the day.
Over 24 rides and 245 segment results in 2025, Tony Jin averaged in the top 40% of the field, with a +8 percentile points (improves!) from the opening segments to the late-ride segments.
Over 24 rides and 245 segment results in 2025, Tony Jin averaged in the top 40% of the field, with a +8 percentile points (improves!) from the opening segments to the late-ride segments.
Fatigue Pattern — Field Percentile by Segment Position
Average field percentile per segment slot (lower = better; bar height = how far back)
Opening (S01–S02): top 46% avg →
Late (S07+): top 38% avg ·
Swing: +8 percentile points (improves!)
Performance by Segment Type
By Distance
<0.4km (n=106 · 453W avg)
Top 44%
0.4–0.8km (n=85 · 396W avg)
Top 40%
>0.8km (n=54 · 357W avg)
Top 33%
By Gradient
<6% flat (n=43 · 434W avg)
Top 34%
6–10% mod (n=112 · 401W avg)
Top 41%
10–13% steep (n=73 · 419W avg)
Top 42%
>13% wall (n=15 · 416W avg)
Top 46%
Effort Profile
Punchy <0.45km ≥9% (n=68)
Top 45%
Threshold ≥0.7km ≥5% (n=52)
Top 35%
Peak Performances — Best 5 Segments
| Rank | Segment | Distance | Grade |
|---|---|---|---|
| 6/55 | Stonebrook to Prospect | 0.47 km | 5.5% |
| 9/64 | Deer Creek Sprint (Egan Official) | 0.5 km | 4.7% |
| 8/52 | Quinhill from University (Egan Official) | 0.31 km | 12.0% |
| 10/64 | Magdalena - Dawson to Stonebrook | 1.08 km | 5.0% |
| 8/51 | Minoca (Egan Official) | 0.87 km | 7.6% |
Toughest Moments — Worst 5 Segments
| Rank | Segment | Distance | Grade |
|---|---|---|---|
| 69/85 | Valley View from Border | 0.31 km | 8.1% |
| 50/70 | Canyon Drive | 0.51 km | 6.2% |
| 49/70 | Westwind (E side) | 0.18 km | 11.4% |
| 46/66 | Regent Dr | 0.18 km | 9.0% |
| 45/65 | Tanglewood Lane | 0.21 km | 15.8% |
What the Data Suggests
💪
Strengths to Protect
Exceptional repeatability — the engine keeps firing deep into the ride. Late-ride performance (top 38%) is actually stronger to the opening. Thrives on rides with high segment counts where rivals are already fading. The aerobic base is the asset — protect it.
🎯
Development Area
Peak power and short-burst acceleration. The punch/threshold gap (top 45% vs top 35%) shows where the ceiling is on explosive efforts. Sprint intervals and over-under VO2max work would add a new gear without eroding the aerobic base. The diesel engine is built — adding a turbo is the next step.
📊
The Real Enemy
Absolute peak power output, not endurance. The engine runs clean all day but the rev ceiling is the constraint. Watts from early to late: 465W → 394W (-15%) — barely any drop, which is the signature. The rival who fades less than everyone else still loses to a rider who never needed to fade.