Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialAndrew H Shields
#246 · 1:04:50 · M32 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Athlete B
OfficialIsabel Diaz
#241 · 1:13:43 · F41 · 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
Andrew (Z-INV) started at 8:24 AM; Isabel (P-INV) started at 8:15 AM. That gave Isabel a 9 minutes head start on Andrew. On foot, Andrew ran 1:04:50 and Isabel ran 1:13:43 — Andrew was 8:53 faster than Isabel. Andrew took official place 246th (time-based 177th) and Isabel took official place 241st (time-based 442nd). Isabel's head start was enough to flip the official order even though Andrew was faster on foot. Biggest swing: Andrew gained 2:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Isabel Diaz (P-INV) started 9 min earlier than Andrew (Z-INV).
- Overall place Δ
- +5
- Actual time Δ
- -8:53
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Isabel earlier)
- Finish clock Δ
- +0:07
- Section place Δ
- +14
Δ = Andrew − Isabel. Negative means Andrew is ahead/faster.
Race timeline
Computed- Isabel (P-INV) started at 8:15 AM.
- Andrew (Z-INV) started at 8:24 AM, 9:00 later.
- Actual running time: Andrew was 8:53 faster on foot than Isabel.
- Finish clock: Isabel crossed the line 0:07 ahead of Andrew — Isabel wins this head-to-head.
Δ (A − B): actual -8:53 · finish clock +0:07.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Andrew | Isabel | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:38 | 8:32 | -0:54 |
| Stairs to Windy Gap | 5:22 | 6:17 | -0:55 |
| Windy Gap to Muir Woods | 5:11 | 6:30 | -1:19 |
| Muir Woods to Cardiac | 24:59 | 27:39 | -2:40 |
| Cardiac to White Gate | 13:10 | 15:00 | -1:50 |
| White Gate to The Stile | 6:36 | 7:36 | -1:00 |
| The Stile to Finish | 1:54 | 2:09 | -0:15 |
Δ negative = Andrew ran the segment faster.