Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialGreyson Zacharias
#1031 · 1:34:29 · M11 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Athlete B
OfficialLaura Hafferty
#1034 · 1:34:42 · F37 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Comparison report
Download the full report as a PDF, share the file, or send a link to this view.
The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Greyson (Q-DR) started at 8:43 AM; Laura (Q-DR) started at 8:43 AM. Both left the line at the same moment. On foot, Greyson ran 1:34:29 and Laura ran 1:34:42 — Greyson was 0:13 faster than Laura. Greyson took official place 1031st (time-based 998th) and Laura took official place 1034th (time-based 1002nd). Greyson was faster on foot and finished ahead on the official clock too. Biggest swing: Greyson gained 2:04 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Both started in the same wave.
- Overall place Δ
- -3
- Actual time Δ
- -0:13
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- ±0 min
- Finish clock Δ
- -0:13
- Section place Δ
- -2
Δ = Greyson − Laura. Negative means Greyson is ahead/faster.
Race timeline
Computed- Greyson (Q-DR) started at 8:43 AM.
- Laura (Q-DR) also started at 8:43 AM.
- Actual running time: Greyson was 0:13 faster on foot than Laura.
- Finish clock: Greyson crossed the line 0:13 ahead of Laura — Greyson wins this head-to-head.
Δ (A − B): actual -0:13 · finish clock -0:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Greyson | Laura | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:23 | 11:13 | +0:10 |
| Stairs to Windy Gap | 8:16 | 8:25 | -0:09 |
| Windy Gap to Muir Woods | 8:42 | 7:54 | +0:48 |
| Muir Woods to Cardiac | 33:55 | 35:59 | -2:04 |
| Cardiac to White Gate | 19:50 | 19:09 | +0:41 |
| White Gate to The Stile | 9:30 | 9:18 | +0:12 |
| The Stile to Finish | 2:53 | 2:44 | +0:09 |
Δ negative = Greyson ran the segment faster.