Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialThomas M Smith
#158 · 1:03:09 · M44 · Group X · INV
Wave start 8:22 AM (X-INV)
Athlete B
OfficialSam L Dillman
#162 · 1:04:17 · M45 · Group W · INV
Wave start 8:21 AM (W-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
Thomas (X-INV) started at 8:22 AM; Sam (W-INV) started at 8:21 AM. That gave Sam a 1 minute head start on Thomas. On foot, Thomas ran 1:03:09 and Sam ran 1:04:17 — Thomas was 1:08 faster than Sam. Thomas took official place 158th (time-based 138th) and Sam took official place 162nd (time-based 160th). Thomas was faster on foot and finished ahead on the official clock too. Biggest swing: Thomas gained 1:54 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Sam L Dillman (W-INV) started 1 min earlier than Thomas (X-INV).
- Overall place Δ
- -4
- Actual time Δ
- -1:08
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Sam earlier)
- Finish clock Δ
- -0:08
- Section place Δ
- +2
Δ = Thomas − Sam. Negative means Thomas is ahead/faster.
Race timeline
Computed- Sam (W-INV) started at 8:21 AM.
- Thomas (X-INV) started at 8:22 AM, 1:00 later.
- Actual running time: Thomas was 1:08 faster on foot than Sam.
- Finish clock: Thomas crossed the line 0:08 ahead of Sam — Thomas wins this head-to-head.
Δ (A − B): actual -1:08 · finish clock -0:08.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Thomas | Sam | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:31 | 7:27 | +0:04 |
| Stairs to Windy Gap | 5:47 | 5:59 | -0:12 |
| Windy Gap to Muir Woods | 4:57 | 4:41 | +0:16 |
| Muir Woods to Cardiac | 24:03 | 25:57 | -1:54 |
| Cardiac to White Gate | 13:03 | 12:31 | +0:32 |
| White Gate to The Stile | 6:08 | 6:02 | +0:06 |
| The Stile to Finish | 1:40 | 1:40 | ±0:00 |
Δ negative = Thomas ran the segment faster.