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
OfficialDan Cuddeford
#229 · 1:06:16 · M43 · Group X · INV
Wave start 8:22 AM (X-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; Dan (X-INV) started at 8:22 AM. That gave Dan a 2 minutes head start on Silas. On foot, Silas ran 1:04:23 and Dan ran 1:06:16 — Silas was 1:53 faster than Dan. Silas took official place 232nd (time-based 163rd) and Dan took official place 229th (time-based 212th). Dan's head start was enough to flip the official order even though Silas was faster on foot. Biggest swing: Silas gained 0:46 from Windy Gap to Muir Woods.
Deltas
ComputedWave start
Dan Cuddeford (X-INV) started 2 min earlier than Silas (Z-INV).
- Overall place Δ
- +3
- Actual time Δ
- -1:53
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (Dan earlier)
- Finish clock Δ
- +0:07
- Section place Δ
- +13
Δ = Silas − Dan. Negative means Silas is ahead/faster.
Race timeline
Computed- Dan (X-INV) started at 8:22 AM.
- Silas (Z-INV) started at 8:24 AM, 2:00 later.
- Actual running time: Silas was 1:53 faster on foot than Dan.
- Finish clock: Dan crossed the line 0:07 ahead of Silas — Dan wins this head-to-head.
Δ (A − B): actual -1:53 · finish clock +0:07.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Silas | Dan | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:26 | 7:21 | +0:05 |
| Stairs to Windy Gap | 5:13 | 5:55 | -0:42 |
| Windy Gap to Muir Woods | 5:07 | 5:53 | -0:46 |
| Muir Woods to Cardiac | 24:31 | 24:23 | +0:08 |
| Cardiac to White Gate | 13:53 | 14:03 | -0:10 |
| White Gate to The Stile | 6:31 | 6:49 | -0:18 |
| The Stile to Finish | 1:42 | 1:52 | -0:10 |
Δ negative = Silas ran the segment faster.