Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJames L Shirley
#432 · 1:11:41 · M35 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialElton Lin
#434 · 1:14:45 · M49 · Group V · INV
Wave start 8:20 AM (V-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
James (Y-INV) started at 8:23 AM; Elton (V-INV) started at 8:20 AM. That gave Elton a 3 minutes head start on James. On foot, James ran 1:11:41 and Elton ran 1:14:45 — James was 3:04 faster than Elton. James took official place 432nd (time-based 379th) and Elton took official place 434th (time-based 469th). James was faster on foot and finished ahead on the official clock too. Biggest swing: James gained 1:07 from Cardiac to White Gate.
Deltas
ComputedWave start
Elton Lin (V-INV) started 3 min earlier than James (Y-INV).
- Overall place Δ
- -2
- Actual time Δ
- -3:04
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Elton earlier)
- Finish clock Δ
- -0:04
- Section place Δ
- +52
Δ = James − Elton. Negative means James is ahead/faster.
Race timeline
Computed- Elton (V-INV) started at 8:20 AM.
- James (Y-INV) started at 8:23 AM, 3:00 later.
- Actual running time: James was 3:04 faster on foot than Elton.
- Finish clock: James crossed the line 0:04 ahead of Elton — James wins this head-to-head.
Δ (A − B): actual -3:04 · finish clock -0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | James | Elton | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:06 | 8:40 | -0:34 |
| Stairs to Windy Gap | 6:04 | 6:30 | -0:26 |
| Windy Gap to Muir Woods | 5:36 | 6:13 | -0:37 |
| Muir Woods to Cardiac | 28:43 | 28:29 | +0:14 |
| Cardiac to White Gate | 14:07 | 15:14 | -1:07 |
| White Gate to The Stile | 7:12 | 7:30 | -0:18 |
| The Stile to Finish | 1:53 | 2:09 | -0:16 |
Δ negative = James ran the segment faster.