Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialOlivia J Lloyd
#357 · 1:16:05 · F31 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialDavid M Strand
#362 · 1:29:14 · M71 · Group B · INV
Wave start 8:03 AM (B-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
Olivia (Q-INV) started at 8:16 AM; David (B-INV) started at 8:03 AM. That gave David a 13 minutes head start on Olivia. On foot, Olivia ran 1:16:05 and David ran 1:29:14 — Olivia was 13:09 faster than David. Olivia took official place 357th (time-based 524th) and David took official place 362nd (time-based 890th). Olivia was faster on foot and finished ahead on the official clock too. Biggest swing: Olivia gained 6:19 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David M Strand (B-INV) started 13 min earlier than Olivia (Q-INV).
- Overall place Δ
- -5
- Actual time Δ
- -13:09
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 13 min (David earlier)
- Finish clock Δ
- -0:09
- Section place Δ
- +36
Δ = Olivia − David. Negative means Olivia is ahead/faster.
Race timeline
Computed- David (B-INV) started at 8:03 AM.
- Olivia (Q-INV) started at 8:16 AM, 13:00 later.
- Actual running time: Olivia was 13:09 faster on foot than David.
- Finish clock: Olivia crossed the line 0:09 ahead of David — Olivia wins this head-to-head.
Δ (A − B): actual -13:09 · finish clock -0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Olivia | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:51 | 9:54 | -1:03 |
| Stairs to Windy Gap | 6:43 | 7:48 | -1:05 |
| Windy Gap to Muir Woods | 6:02 | 6:47 | -0:45 |
| Muir Woods to Cardiac | 29:30 | 35:49 | -6:19 |
| Cardiac to White Gate | 15:12 | 17:12 | -2:00 |
| White Gate to The Stile | 7:37 | 9:09 | -1:32 |
| The Stile to Finish | 2:10 | 2:35 | -0:25 |
Δ negative = Olivia ran the segment faster.