Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialCameron J Sadow
#408 · 1:11:45 · M16 · Group X · INV
Wave start 8:22 AM (X-INV)
Athlete B
OfficialDavid A Smith
#404 · 1:18:31 · M58 · Group P · INV
Wave start 8:15 AM (P-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
Cameron (X-INV) started at 8:22 AM; David (P-INV) started at 8:15 AM. That gave David a 7 minutes head start on Cameron. On foot, Cameron ran 1:11:45 and David ran 1:18:31 — Cameron was 6:46 faster than David. Cameron took official place 408th (time-based 382nd) and David took official place 404th (time-based 594th). David's head start was enough to flip the official order even though Cameron was faster on foot. Biggest swing: Cameron gained 1:10 from Cardiac to White Gate.
Deltas
ComputedWave start
David A Smith (P-INV) started 7 min earlier than Cameron (X-INV).
- Overall place Δ
- +4
- Actual time Δ
- -6:46
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (David earlier)
- Finish clock Δ
- +0:14
- Section place Δ
- +3
Δ = Cameron − David. Negative means Cameron is ahead/faster.
Race timeline
Computed- David (P-INV) started at 8:15 AM.
- Cameron (X-INV) started at 8:22 AM, 7:00 later.
- Actual running time: Cameron was 6:46 faster on foot than David.
- Finish clock: David crossed the line 0:14 ahead of Cameron — David wins this head-to-head.
Δ (A − B): actual -6:46 · finish clock +0:14.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Cameron | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:30 | 9:14 | -1:44 |
| Stairs to Windy Gap | 6:13 | 6:45 | -0:32 |
| Windy Gap to Muir Woods | 5:30 | 6:35 | -1:05 |
| Muir Woods to Cardiac | 28:56 | 29:56 | -1:00 |
| Cardiac to White Gate | 14:51 | 16:01 | -1:10 |
| White Gate to The Stile | 7:01 | 7:54 | -0:53 |
| The Stile to Finish | 1:44 | 2:06 | -0:22 |
Δ negative = Cameron ran the segment faster.