Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialEmma Wilka
#81 · 1:16:52 · F9 · Group D · INV
Wave start 8:05 AM (D-INV)
Athlete B
OfficialDavid Tran
#85 · 59:00 · M38 · Group Y · INV
Wave start 8:23 AM (Y-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
Emma (D-INV) started at 8:05 AM; David (Y-INV) started at 8:23 AM. That gave Emma a 18 minutes head start on David. On foot, Emma ran 1:16:52 and David ran 59:00 — David was 17:52 faster than Emma. Emma took official place 81st (time-based 548th) and David took official place 85th (time-based 54th). Emma's head start was enough to flip the official order even though David was faster on foot. Biggest swing: David gained 7:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Emma Wilka (D-INV) started 18 min earlier than David (Y-INV).
- Overall place Δ
- -4
- Actual time Δ
- +17:52
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 18 min (Emma earlier)
- Finish clock Δ
- -0:08
- Section place Δ
- -14
Δ = Emma − David. Negative means Emma is ahead/faster.
Race timeline
Computed- Emma (D-INV) started at 8:05 AM.
- David (Y-INV) started at 8:23 AM, 18:00 later.
- Actual running time: David was 17:52 faster on foot than Emma.
- Finish clock: Emma crossed the line 0:08 ahead of David — Emma wins this head-to-head.
Δ (A − B): actual +17:52 · finish clock -0:08.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Emma | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:21 | 6:42 | +1:39 |
| Stairs to Windy Gap | 6:39 | 4:55 | +1:44 |
| Windy Gap to Muir Woods | 6:43 | 5:07 | +1:36 |
| Muir Woods to Cardiac | 29:57 | 22:17 | +7:40 |
| Cardiac to White Gate | 16:00 | 12:22 | +3:38 |
| White Gate to The Stile | 7:15 | 5:56 | +1:19 |
| The Stile to Finish | 1:57 | 1:41 | +0:16 |
Δ negative = Emma ran the segment faster.