Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIsabel Diaz
#241 · 1:13:43 · F41 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialAlex Slack
#244 · 1:06:46 · M42 · Group X · INV
Wave start 8:22 AM (X-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
Isabel (P-INV) started at 8:15 AM; Alex (X-INV) started at 8:22 AM. That gave Isabel a 7 minutes head start on Alex. On foot, Isabel ran 1:13:43 and Alex ran 1:06:46 — Alex was 6:57 faster than Isabel. Isabel took official place 241st (time-based 442nd) and Alex took official place 244th (time-based 223rd). Isabel's head start was enough to flip the official order even though Alex was faster on foot. Biggest swing: Alex gained 2:49 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Isabel Diaz (P-INV) started 7 min earlier than Alex (X-INV).
- Overall place Δ
- -3
- Actual time Δ
- +6:57
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Isabel earlier)
- Finish clock Δ
- -0:03
- Section place Δ
- +1
Δ = Isabel − Alex. Negative means Isabel is ahead/faster.
Race timeline
Computed- Isabel (P-INV) started at 8:15 AM.
- Alex (X-INV) started at 8:22 AM, 7:00 later.
- Actual running time: Alex was 6:57 faster on foot than Isabel.
- Finish clock: Isabel crossed the line 0:03 ahead of Alex — Isabel wins this head-to-head.
Δ (A − B): actual +6:57 · finish clock -0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Isabel | Alex | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:32 | 8:05 | +0:27 |
| Stairs to Windy Gap | 6:17 | 5:48 | +0:29 |
| Windy Gap to Muir Woods | 6:30 | 5:29 | +1:01 |
| Muir Woods to Cardiac | 27:39 | 24:50 | +2:49 |
| Cardiac to White Gate | 15:00 | 14:12 | +0:48 |
| White Gate to The Stile | 7:36 | 6:37 | +0:59 |
| The Stile to Finish | 2:09 | 1:45 | +0:24 |
Δ negative = Isabel ran the segment faster.