Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialBrian Sterling
#82 · 1:09:53 · M62 · Group L · INV
Wave start 8:12 AM (L-INV)
Athlete B
OfficialEmma Wilka
#81 · 1:16:52 · F9 · Group D · INV
Wave start 8:05 AM (D-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
Brian (L-INV) started at 8:12 AM; Emma (D-INV) started at 8:05 AM. That gave Emma a 7 minutes head start on Brian. On foot, Brian ran 1:09:53 and Emma ran 1:16:52 — Brian was 6:59 faster than Emma. Brian took official place 82nd (time-based 319th) and Emma took official place 81st (time-based 548th). Emma's head start was enough to flip the official order even though Brian was faster on foot. Biggest swing: Brian gained 4:27 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Emma Wilka (D-INV) started 7 min earlier than Brian (L-INV).
- Overall place Δ
- +1
- Actual time Δ
- -6:59
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Emma earlier)
- Finish clock Δ
- +0:01
- Section place Δ
- +2
Δ = Brian − Emma. Negative means Brian is ahead/faster.
Race timeline
Computed- Emma (D-INV) started at 8:05 AM.
- Brian (L-INV) started at 8:12 AM, 7:00 later.
- Actual running time: Brian was 6:59 faster on foot than Emma.
- Finish clock: Emma crossed the line 0:01 ahead of Brian — Emma wins this head-to-head.
Δ (A − B): actual -6:59 · finish clock +0:01.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Brian | Emma | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:22 | 8:21 | +0:01 |
| Stairs to Windy Gap | 6:20 | 6:39 | -0:19 |
| Windy Gap to Muir Woods | 6:03 | 6:43 | -0:40 |
| Muir Woods to Cardiac | 25:30 | 29:57 | -4:27 |
| Cardiac to White Gate | 14:47 | 16:00 | -1:13 |
| White Gate to The Stile | 6:52 | 7:15 | -0:23 |
| The Stile to Finish | 1:59 | 1:57 | +0:02 |
Δ negative = Brian ran the segment faster.