Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialTodd Brockman
#353 · 1:17:49 · M60 · Group N · INV
Wave start 8:14 AM (N-INV)
Athlete B
OfficialEmily Zhong
#349 · 1:15:45 · F28 · Group Q · INV
Wave start 8:16 AM (Q-INV)
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
Todd (N-INV) started at 8:14 AM; Emily (Q-INV) started at 8:16 AM. That gave Todd a 2 minutes head start on Emily. On foot, Todd ran 1:17:49 and Emily ran 1:15:45 — Emily was 2:04 faster than Todd. Todd took official place 353rd (time-based 577th) and Emily took official place 349th (time-based 515th). Emily was faster on foot and finished ahead on the official clock too. Biggest swing: Emily gained 1:26 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Todd Brockman (N-INV) started 2 min earlier than Emily (Q-INV).
- Overall place Δ
- +4
- Actual time Δ
- +2:04
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (Todd earlier)
- Finish clock Δ
- +0:04
- Section place Δ
- -30
Δ = Todd − Emily. Negative means Todd is ahead/faster.
Race timeline
Computed- Todd (N-INV) started at 8:14 AM.
- Emily (Q-INV) started at 8:16 AM, 2:00 later.
- Actual running time: Emily was 2:04 faster on foot than Todd.
- Finish clock: Emily crossed the line 0:04 ahead of Todd — Emily wins this head-to-head.
Δ (A − B): actual +2:04 · finish clock +0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Todd | Emily | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:36 | 9:02 | -0:26 |
| Stairs to Windy Gap | 7:07 | 6:15 | +0:52 |
| Windy Gap to Muir Woods | 6:09 | 6:35 | -0:26 |
| Muir Woods to Cardiac | 30:21 | 28:55 | +1:26 |
| Cardiac to White Gate | 15:30 | 15:34 | -0:04 |
| White Gate to The Stile | 8:01 | 7:24 | +0:37 |
| The Stile to Finish | 2:05 | 2:00 | +0:05 |
Δ negative = Todd ran the segment faster.