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
OfficialKelly A O'Mara
#412 · 1:18:54 · F41 · 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; Kelly (P-INV) started at 8:15 AM. That gave Kelly a 7 minutes head start on Cameron. On foot, Cameron ran 1:11:45 and Kelly ran 1:18:54 — Cameron was 7:09 faster than Kelly. Cameron took official place 408th (time-based 382nd) and Kelly took official place 412th (time-based 609th). Cameron was faster on foot and finished ahead on the official clock too. Biggest swing: Cameron gained 1:49 from Cardiac to White Gate.
Deltas
ComputedWave start
Kelly A O'Mara (P-INV) started 7 min earlier than Cameron (X-INV).
- Overall place Δ
- -4
- Actual time Δ
- -7:09
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Kelly earlier)
- Finish clock Δ
- -0:09
- Section place Δ
- +2
Δ = Cameron − Kelly. Negative means Cameron is ahead/faster.
Race timeline
Computed- Kelly (P-INV) started at 8:15 AM.
- Cameron (X-INV) started at 8:22 AM, 7:00 later.
- Actual running time: Cameron was 7:09 faster on foot than Kelly.
- Finish clock: Cameron crossed the line 0:09 ahead of Kelly — Cameron wins this head-to-head.
Δ (A − B): actual -7:09 · finish clock -0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Cameron | Kelly | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:30 | 8:52 | -1:22 |
| Stairs to Windy Gap | 6:13 | 6:27 | -0:14 |
| Windy Gap to Muir Woods | 5:30 | 6:21 | -0:51 |
| Muir Woods to Cardiac | 28:56 | 30:10 | -1:14 |
| Cardiac to White Gate | 14:51 | 16:40 | -1:49 |
| White Gate to The Stile | 7:01 | 8:07 | -1:06 |
| The Stile to Finish | 1:44 | 2:17 | -0:33 |
Δ negative = Cameron ran the segment faster.