Rider Type · Data-Derived
Puncheur
Explosive on short steep efforts, strongest when fresh. Power drops with fatigue.
Over 13 rides and 116 segment results in 2026, Kelvin Tam averaged in the top 64% of the field, with a −2 percentile points from the opening segments to the late-ride segments.
Over 13 rides and 116 segment results in 2026, Kelvin Tam averaged in the top 64% of the field, with a −2 percentile points 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 63% avg →
Late (S07+): top 65% avg ·
Swing: −2 percentile points
Performance by Segment Type
By Distance
<0.4km (n=44 · 357W avg)
Top 61%
0.4–0.8km (n=46 · 324W avg)
Top 65%
>0.8km (n=26 · 265W avg)
Top 70%
By Gradient
<6% flat (n=22 · 292W avg)
Top 76%
6–10% mod (n=46 · 298W avg)
Top 69%
10–13% steep (n=34 · 344W avg)
Top 55%
>13% wall (n=14 · 340W avg)
Top 54%
Effort Profile
Punchy <0.45km ≥9% (n=31)
Top 56%
Threshold ≥0.7km ≥5% (n=27)
Top 70%
Peak Performances — Best 5 Segments
| Rank | Segment | Distance | Grade |
|---|---|---|---|
| 12/62 | La Barranca Rd last steep part | 0.17 km | 14.2% |
| 19/62 | Old Snakey Rd - Off Moody Rd | 0.23 km | 11.3% |
| 33/100 | St. Francis to La Cresta | 0.49 km | 6.9% |
| 24/71 | Quinnhill from Summerhill | 0.35 km | 7.5% |
| 22/60 | St. Francis to La Cresta | 0.49 km | 6.9% |
Toughest Moments — Worst 5 Segments
| Rank | Segment | Distance | Grade |
|---|---|---|---|
| 66/67 | Stirrup/Saddle to Moon | 0.59 km | 8.2% |
| 74/76 | Dianne Drive Climb | 0.31 km | 6.5% |
| 57/60 | Lindy Ln (No Canyon View) - Egan Official | 0.9 km | 8.7% |
| 60/64 | Deodara, Vineyard to the end | 0.36 km | 5.4% |
| 56/62 | Foothills Park Vista Point (Egan Official) | 0.96 km | 7.6% |
What the Data Suggests
💪
Strengths to Protect
Explosive anaerobic power on short steep climbs. Opening-segment aggression (top 63% on S1–S2). Wall-gradient efforts where torque beats sustained output. Don't over-train aerobic base at the expense of peak power — that edge is real.
🎯
Development Area
Aerobic threshold and repeatability — the gap between S1 (top 63%) and S7+ (top 65%) is 2 percentile points. Even closing that to 5 points would be transformative on long-format rides. Target: 2×20 threshold work and back-to-back climbing days to build the aerobic floor.
📊
The Real Enemy
Fatigue, not segment type. Power drops 26% from short to long segments (357W → 265W). The issue is power-at-fatigue (FTP relative to peak power) — on a fresh day the ceiling is genuinely high.