Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMark Callon
#76 · 1:05:42 · M57 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialWill F Guzick
#74 · 58:37 · M37 · 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
Mark (Q-INV) started at 8:16 AM; Will (Y-INV) started at 8:23 AM. That gave Mark a 7 minutes head start on Will. On foot, Mark ran 1:05:42 and Will ran 58:37 — Will was 7:05 faster than Mark. Mark took official place 76th (time-based 199th) and Will took official place 74th (time-based 45th). Will was faster on foot and finished ahead on the official clock too. Biggest swing: Will gained 2:24 from Cardiac to White Gate.
Deltas
ComputedWave start
Mark Callon (Q-INV) started 7 min earlier than Will (Y-INV).
- Overall place Δ
- +2
- Actual time Δ
- +7:05
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Mark earlier)
- Finish clock Δ
- +0:05
- Section place Δ
- 0
Δ = Mark − Will. Negative means Mark is ahead/faster.
Race timeline
Computed- Mark (Q-INV) started at 8:16 AM.
- Will (Y-INV) started at 8:23 AM, 7:00 later.
- Actual running time: Will was 7:05 faster on foot than Mark.
- Finish clock: Will crossed the line 0:05 ahead of Mark — Will wins this head-to-head.
Δ (A − B): actual +7:05 · finish clock +0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mark | Will | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:25 | 6:54 | +0:31 |
| Stairs to Windy Gap | 5:30 | 5:05 | +0:25 |
| Windy Gap to Muir Woods | 5:43 | 5:07 | +0:36 |
| Muir Woods to Cardiac | 23:32 | 22:02 | +1:30 |
| Cardiac to White Gate | 14:02 | 11:38 | +2:24 |
| White Gate to The Stile | 7:39 | 5:58 | +1:41 |
| The Stile to Finish | 1:51 | 1:53 | -0:02 |
Δ negative = Mark ran the segment faster.