Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSheila O'Neill
#406 · 1:32:40 · F65 · Group AA · INV
Wave start 8:01 AM (AA-INV)
Athlete B
OfficialCameron J Sadow
#408 · 1:11:45 · M16 · 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
Sheila (AA-INV) started at 8:01 AM; Cameron (X-INV) started at 8:22 AM. That gave Sheila a 21 minutes head start on Cameron. On foot, Sheila ran 1:32:40 and Cameron ran 1:11:45 — Cameron was 20:55 faster than Sheila. Sheila took official place 406th (time-based 956th) and Cameron took official place 408th (time-based 382nd). Sheila's head start was enough to flip the official order even though Cameron was faster on foot. Biggest swing: Cameron gained 5:38 from Cardiac to White Gate.
Deltas
ComputedWave start
Sheila O'Neill (AA-INV) started 21 min earlier than Cameron (X-INV).
- Overall place Δ
- -2
- Actual time Δ
- +20:55
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 21 min (Sheila earlier)
- Finish clock Δ
- -0:05
- Section place Δ
- -29
Δ = Sheila − Cameron. Negative means Sheila is ahead/faster.
Race timeline
Computed- Sheila (AA-INV) started at 8:01 AM.
- Cameron (X-INV) started at 8:22 AM, 21:00 later.
- Actual running time: Cameron was 20:55 faster on foot than Sheila.
- Finish clock: Sheila crossed the line 0:05 ahead of Cameron — Sheila wins this head-to-head.
Δ (A − B): actual +20:55 · finish clock -0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Sheila | Cameron | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:04 | 7:30 | +3:34 |
| Stairs to Windy Gap | 7:56 | 6:13 | +1:43 |
| Windy Gap to Muir Woods | 7:50 | 5:30 | +2:20 |
| Muir Woods to Cardiac | 33:20 | 28:56 | +4:24 |
| Cardiac to White Gate | 20:29 | 14:51 | +5:38 |
| White Gate to The Stile | 9:40 | 7:01 | +2:39 |
| The Stile to Finish | 2:21 | 1:44 | +0:37 |
Δ negative = Sheila ran the segment faster.