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
OfficialGeoff Vaughan
#427 · 1:21:24 · M61 · Group M · INV
Wave start 8:13 AM (M-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; Geoff (M-INV) started at 8:13 AM. That gave Geoff a 10 minutes head start on James. On foot, James ran 1:11:41 and Geoff ran 1:21:24 — James was 9:43 faster than Geoff. James took official place 432nd (time-based 379th) and Geoff took official place 427th (time-based 690th). Geoff's head start was enough to flip the official order even though James was faster on foot. Biggest swing: James gained 3:30 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Geoff Vaughan (M-INV) started 10 min earlier than James (Y-INV).
- Overall place Δ
- +5
- Actual time Δ
- -9:43
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Geoff earlier)
- Finish clock Δ
- +0:17
- Section place Δ
- +58
Δ = James − Geoff. Negative means James is ahead/faster.
Race timeline
Computed- Geoff (M-INV) started at 8:13 AM.
- James (Y-INV) started at 8:23 AM, 10:00 later.
- Actual running time: James was 9:43 faster on foot than Geoff.
- Finish clock: Geoff crossed the line 0:17 ahead of James — Geoff wins this head-to-head.
Δ (A − B): actual -9:43 · finish clock +0:17.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | James | Geoff | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:06 | 10:05 | -1:59 |
| Stairs to Windy Gap | 6:04 | 7:21 | -1:17 |
| Windy Gap to Muir Woods | 5:36 | 6:20 | -0:44 |
| Muir Woods to Cardiac | 28:43 | 32:13 | -3:30 |
| Cardiac to White Gate | 14:07 | 15:36 | -1:29 |
| White Gate to The Stile | 7:12 | 7:29 | -0:17 |
| The Stile to Finish | 1:53 | 2:20 | -0:27 |
Δ negative = James ran the segment faster.