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
OfficialGary A Gellin
#78 · 1:05:45 · M57 · 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
Mark (Q-INV) started at 8:16 AM; Gary (Q-INV) started at 8:16 AM. Both left the line at the same moment. On foot, Mark ran 1:05:42 and Gary ran 1:05:45 — Mark was 0:03 faster than Gary. Mark took official place 76th (time-based 199th) and Gary took official place 78th (time-based 203rd). Mark was faster on foot and finished ahead on the official clock too. Biggest swing: Mark gained 1:44 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Both started in the same wave.
- Overall place Δ
- -2
- Actual time Δ
- -0:03
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- ±0 min
- Finish clock Δ
- -0:03
- Section place Δ
- -2
Δ = Mark − Gary. Negative means Mark is ahead/faster.
Race timeline
Computed- Mark (Q-INV) started at 8:16 AM.
- Gary (Q-INV) also started at 8:16 AM.
- Actual running time: Mark was 0:03 faster on foot than Gary.
- Finish clock: Mark crossed the line 0:03 ahead of Gary — Mark wins this head-to-head.
Δ (A − B): actual -0:03 · finish clock -0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mark | Gary | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:25 | 7:41 | -0:16 |
| Stairs to Windy Gap | 5:30 | 6:03 | -0:33 |
| Windy Gap to Muir Woods | 5:43 | 5:32 | +0:11 |
| Muir Woods to Cardiac | 23:32 | 25:16 | -1:44 |
| Cardiac to White Gate | 14:02 | 13:10 | +0:52 |
| White Gate to The Stile | 7:39 | 6:11 | +1:28 |
| The Stile to Finish | 1:51 | 1:52 | -0:01 |
Δ negative = Mark ran the segment faster.