Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDavid T Lam
#397 · 1:10:15 · M41 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialChristopher W Andrew
#399 · 1:10:19 · M40 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Comparison report
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The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
David (Y-INV) started at 8:23 AM; Christopher (Y-INV) started at 8:23 AM. Both left the line at the same moment. On foot, David ran 1:10:15 and Christopher ran 1:10:19 — David was 0:04 faster than Christopher. David took official place 397th (time-based 334th) and Christopher took official place 399th (time-based 335th). David was faster on foot and finished ahead on the official clock too. Biggest swing: Christopher gained 0:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Both started in the same wave.
- Overall place Δ
- -2
- Actual time Δ
- -0:04
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- ±0 min
- Finish clock Δ
- -0:04
- Section place Δ
- -1
Δ = David − Christopher. Negative means David is ahead/faster.
Race timeline
Computed- David (Y-INV) started at 8:23 AM.
- Christopher (Y-INV) also started at 8:23 AM.
- Actual running time: David was 0:04 faster on foot than Christopher.
- Finish clock: David crossed the line 0:04 ahead of Christopher — David wins this head-to-head.
Δ (A − B): actual -0:04 · finish clock -0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | Christopher | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:16 | 8:25 | -0:09 |
| Stairs to Windy Gap | 6:05 | 6:04 | +0:01 |
| Windy Gap to Muir Woods | 5:36 | 6:05 | -0:29 |
| Muir Woods to Cardiac | 26:26 | 25:46 | +0:40 |
| Cardiac to White Gate | 14:53 | 14:50 | +0:03 |
| White Gate to The Stile | 7:07 | 7:12 | -0:05 |
| The Stile to Finish | 1:52 | 1:57 | -0:05 |
Δ negative = David ran the segment faster.