Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialChristopher W Andrew
#399 · 1:10:19 · M40 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialDavid A Smith
#404 · 1:18:31 · M58 · Group P · INV
Wave start 8:15 AM (P-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
Christopher (Y-INV) started at 8:23 AM; David (P-INV) started at 8:15 AM. That gave David a 8 minutes head start on Christopher. On foot, Christopher ran 1:10:19 and David ran 1:18:31 — Christopher was 8:12 faster than David. Christopher took official place 399th (time-based 335th) and David took official place 404th (time-based 594th). Christopher was faster on foot and finished ahead on the official clock too. Biggest swing: Christopher gained 4:10 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David A Smith (P-INV) started 8 min earlier than Christopher (Y-INV).
- Overall place Δ
- -5
- Actual time Δ
- -8:12
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (David earlier)
- Finish clock Δ
- -0:12
- Section place Δ
- +44
Δ = Christopher − David. Negative means Christopher is ahead/faster.
Race timeline
Computed- David (P-INV) started at 8:15 AM.
- Christopher (Y-INV) started at 8:23 AM, 8:00 later.
- Actual running time: Christopher was 8:12 faster on foot than David.
- Finish clock: Christopher crossed the line 0:12 ahead of David — Christopher wins this head-to-head.
Δ (A − B): actual -8:12 · finish clock -0:12.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Christopher | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:25 | 9:14 | -0:49 |
| Stairs to Windy Gap | 6:04 | 6:45 | -0:41 |
| Windy Gap to Muir Woods | 6:05 | 6:35 | -0:30 |
| Muir Woods to Cardiac | 25:46 | 29:56 | -4:10 |
| Cardiac to White Gate | 14:50 | 16:01 | -1:11 |
| White Gate to The Stile | 7:12 | 7:54 | -0:42 |
| The Stile to Finish | 1:57 | 2:06 | -0:09 |
Δ negative = Christopher ran the segment faster.