Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDavid W Wood
#178 · 1:10:54 · M58 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialWilliam B Pease
#180 · 1:04:10 · M42 · 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
David (P-INV) started at 8:15 AM; William (X-INV) started at 8:22 AM. That gave David a 7 minutes head start on William. On foot, David ran 1:10:54 and William ran 1:04:10 — William was 6:44 faster than David. David took official place 178th (time-based 352nd) and William took official place 180th (time-based 158th). David's head start was enough to flip the official order even though William was faster on foot. Biggest swing: William gained 4:53 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David W Wood (P-INV) started 7 min earlier than William (X-INV).
- Overall place Δ
- -2
- Actual time Δ
- +6:44
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (David earlier)
- Finish clock Δ
- -0:16
- Section place Δ
- -1
Δ = David − William. Negative means David is ahead/faster.
Race timeline
Computed- David (P-INV) started at 8:15 AM.
- William (X-INV) started at 8:22 AM, 7:00 later.
- Actual running time: William was 6:44 faster on foot than David.
- Finish clock: David crossed the line 0:16 ahead of William — David wins this head-to-head.
Δ (A − B): actual +6:44 · finish clock -0:16.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | William | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:58 | 7:07 | +0:51 |
| Stairs to Windy Gap | 6:21 | 5:54 | +0:27 |
| Windy Gap to Muir Woods | 5:21 | 5:32 | -0:11 |
| Muir Woods to Cardiac | 28:44 | 23:51 | +4:53 |
| Cardiac to White Gate | 13:40 | 13:13 | +0:27 |
| White Gate to The Stile | 6:48 | 6:34 | +0:14 |
| The Stile to Finish | 2:02 | 1:59 | +0:03 |
Δ negative = David ran the segment faster.