Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSilas Tsui
#232 · 1:04:23 · M28 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Athlete B
OfficialLinda C Becker
#234 · 1:17:31 · F52 · Group K · INV
Wave start 8:11 AM (K-INV)
Comparison report
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The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Silas (Z-INV) started at 8:24 AM; Linda (K-INV) started at 8:11 AM. That gave Linda a 13 minutes head start on Silas. On foot, Silas ran 1:04:23 and Linda ran 1:17:31 — Silas was 13:08 faster than Linda. Silas took official place 232nd (time-based 163rd) and Linda took official place 234th (time-based 570th). Silas was faster on foot and finished ahead on the official clock too. Biggest swing: Silas gained 4:24 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Linda C Becker (K-INV) started 13 min earlier than Silas (Z-INV).
- Overall place Δ
- -2
- Actual time Δ
- -13:08
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 13 min (Linda earlier)
- Finish clock Δ
- -0:08
- Section place Δ
- +20
Δ = Silas − Linda. Negative means Silas is ahead/faster.
Race timeline
Computed- Linda (K-INV) started at 8:11 AM.
- Silas (Z-INV) started at 8:24 AM, 13:00 later.
- Actual running time: Silas was 13:08 faster on foot than Linda.
- Finish clock: Silas crossed the line 0:08 ahead of Linda — Silas wins this head-to-head.
Δ (A − B): actual -13:08 · finish clock -0:08.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Silas | Linda | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:26 | 8:48 | -1:22 |
| Stairs to Windy Gap | 5:13 | 6:52 | -1:39 |
| Windy Gap to Muir Woods | 5:07 | 6:33 | -1:26 |
| Muir Woods to Cardiac | 24:31 | 28:55 | -4:24 |
| Cardiac to White Gate | 13:53 | 16:13 | -2:20 |
| White Gate to The Stile | 6:31 | 7:46 | -1:15 |
| The Stile to Finish | 1:42 | 2:24 | -0:42 |
Δ negative = Silas ran the segment faster.