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 A Smith
#404 · 1:18:31 · M58 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialSheila O'Neill
#406 · 1:32:40 · F65 · Group AA · INV
Wave start 8:01 AM (AA-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; Sheila (AA-INV) started at 8:01 AM. That gave Sheila a 14 minutes head start on David. On foot, David ran 1:18:31 and Sheila ran 1:32:40 — David was 14:09 faster than Sheila. David took official place 404th (time-based 594th) and Sheila took official place 406th (time-based 956th). David was faster on foot and finished ahead on the official clock too. Biggest swing: David gained 4:28 from Cardiac to White Gate.
Deltas
ComputedWave start
Sheila O'Neill (AA-INV) started 14 min earlier than David (P-INV).
- Overall place Δ
- -2
- Actual time Δ
- -14:09
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 14 min (Sheila earlier)
- Finish clock Δ
- -0:09
- Section place Δ
- +26
Δ = David − Sheila. Negative means David is ahead/faster.
Race timeline
Computed- Sheila (AA-INV) started at 8:01 AM.
- David (P-INV) started at 8:15 AM, 14:00 later.
- Actual running time: David was 14:09 faster on foot than Sheila.
- Finish clock: David crossed the line 0:09 ahead of Sheila — David wins this head-to-head.
Δ (A − B): actual -14:09 · finish clock -0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | Sheila | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:14 | 11:04 | -1:50 |
| Stairs to Windy Gap | 6:45 | 7:56 | -1:11 |
| Windy Gap to Muir Woods | 6:35 | 7:50 | -1:15 |
| Muir Woods to Cardiac | 29:56 | 33:20 | -3:24 |
| Cardiac to White Gate | 16:01 | 20:29 | -4:28 |
| White Gate to The Stile | 7:54 | 9:40 | -1:46 |
| The Stile to Finish | 2:06 | 2:21 | -0:15 |
Δ negative = David ran the segment faster.