Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMarley Nacco
#410 · 1:19:49 · F19 · Group N · INV
Wave start 8:14 AM (N-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
Marley (N-INV) started at 8:14 AM; Cameron (X-INV) started at 8:22 AM. That gave Marley a 8 minutes head start on Cameron. On foot, Marley ran 1:19:49 and Cameron ran 1:11:45 — Cameron was 8:04 faster than Marley. Marley took official place 410th (time-based 647th) and Cameron took official place 408th (time-based 382nd). Cameron was faster on foot and finished ahead on the official clock too. Biggest swing: Cameron gained 2:04 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Marley Nacco (N-INV) started 8 min earlier than Cameron (X-INV).
- Overall place Δ
- +2
- Actual time Δ
- +8:04
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Marley earlier)
- Finish clock Δ
- +0:04
- Section place Δ
- -21
Δ = Marley − Cameron. Negative means Marley is ahead/faster.
Race timeline
Computed- Marley (N-INV) started at 8:14 AM.
- Cameron (X-INV) started at 8:22 AM, 8:00 later.
- Actual running time: Cameron was 8:04 faster on foot than Marley.
- Finish clock: Cameron crossed the line 0:04 ahead of Marley — Cameron wins this head-to-head.
Δ (A − B): actual +8:04 · finish clock +0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Marley | Cameron | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:51 | 7:30 | +1:21 |
| Stairs to Windy Gap | 7:33 | 6:13 | +1:20 |
| Windy Gap to Muir Woods | 6:33 | 5:30 | +1:03 |
| Muir Woods to Cardiac | 31:00 | 28:56 | +2:04 |
| Cardiac to White Gate | 16:36 | 14:51 | +1:45 |
| White Gate to The Stile | 7:18 | 7:01 | +0:17 |
| The Stile to Finish | 1:58 | 1:44 | +0:14 |
Δ negative = Marley ran the segment faster.