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
OfficialGretchen Andrus
#430 · 1:18:35 · F38 · Group Q · INV
Wave start 8:16 AM (Q-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; Gretchen (Q-INV) started at 8:16 AM. That gave Gretchen a 7 minutes head start on James. On foot, James ran 1:11:41 and Gretchen ran 1:18:35 — James was 6:54 faster than Gretchen. James took official place 432nd (time-based 379th) and Gretchen took official place 430th (time-based 595th). Gretchen's head start was enough to flip the official order even though James was faster on foot. Biggest swing: James gained 2:31 from Cardiac to White Gate.
Deltas
ComputedWave start
Gretchen Andrus (Q-INV) started 7 min earlier than James (Y-INV).
- Overall place Δ
- +2
- Actual time Δ
- -6:54
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Gretchen earlier)
- Finish clock Δ
- +0:06
- Section place Δ
- +31
Δ = James − Gretchen. Negative means James is ahead/faster.
Race timeline
Computed- Gretchen (Q-INV) started at 8:16 AM.
- James (Y-INV) started at 8:23 AM, 7:00 later.
- Actual running time: James was 6:54 faster on foot than Gretchen.
- Finish clock: Gretchen crossed the line 0:06 ahead of James — Gretchen wins this head-to-head.
Δ (A − B): actual -6:54 · finish clock +0:06.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | James | Gretchen | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:06 | 8:43 | -0:37 |
| Stairs to Windy Gap | 6:04 | 7:04 | -1:00 |
| Windy Gap to Muir Woods | 5:36 | 6:27 | -0:51 |
| Muir Woods to Cardiac | 28:43 | 30:03 | -1:20 |
| Cardiac to White Gate | 14:07 | 16:38 | -2:31 |
| White Gate to The Stile | 7:12 | 7:33 | -0:21 |
| The Stile to Finish | 1:53 | 2:07 | -0:14 |
Δ negative = James ran the segment faster.