Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialGidon T Singer
#456 · 1:22:37 · M61 · Group M · INV
Wave start 8:13 AM (M-INV)
Athlete B
OfficialGreg Lynch
#455 · 1:12:35 · M40 · Group Y · INV
Wave start 8:23 AM (Y-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
Gidon (M-INV) started at 8:13 AM; Greg (Y-INV) started at 8:23 AM. That gave Gidon a 10 minutes head start on Greg. On foot, Gidon ran 1:22:37 and Greg ran 1:12:35 — Greg was 10:02 faster than Gidon. Gidon took official place 456th (time-based 724th) and Greg took official place 455th (time-based 410th). Greg was faster on foot and finished ahead on the official clock too. Biggest swing: Greg gained 4:26 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Gidon T Singer (M-INV) started 10 min earlier than Greg (Y-INV).
- Overall place Δ
- +1
- Actual time Δ
- +10:02
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Gidon earlier)
- Finish clock Δ
- +0:02
- Section place Δ
- -58
Δ = Gidon − Greg. Negative means Gidon is ahead/faster.
Race timeline
Computed- Gidon (M-INV) started at 8:13 AM.
- Greg (Y-INV) started at 8:23 AM, 10:00 later.
- Actual running time: Greg was 10:02 faster on foot than Gidon.
- Finish clock: Greg crossed the line 0:02 ahead of Gidon — Greg wins this head-to-head.
Δ (A − B): actual +10:02 · finish clock +0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Gidon | Greg | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:14 | 8:27 | +1:47 |
| Stairs to Windy Gap | 7:31 | 6:18 | +1:13 |
| Windy Gap to Muir Woods | 6:13 | 5:53 | +0:20 |
| Muir Woods to Cardiac | 32:30 | 28:04 | +4:26 |
| Cardiac to White Gate | 16:02 | 14:35 | +1:27 |
| White Gate to The Stile | 7:47 | 7:07 | +0:40 |
| The Stile to Finish | 2:20 | 2:11 | +0:09 |
Δ negative = Gidon ran the segment faster.