Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIrena Brooks
#442 · 1:22:00 · F14 · Group M · INV
Wave start 8:13 AM (M-INV)
Athlete B
OfficialDavis M Fulton
#444 · 1:13:08 · M16 · 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
Irena (M-INV) started at 8:13 AM; Davis (X-INV) started at 8:22 AM. That gave Irena a 9 minutes head start on Davis. On foot, Irena ran 1:22:00 and Davis ran 1:13:08 — Davis was 8:52 faster than Irena. Irena took official place 442nd (time-based 707th) and Davis took official place 444th (time-based 427th). Irena's head start was enough to flip the official order even though Davis was faster on foot. Biggest swing: Davis gained 2:54 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Irena Brooks (M-INV) started 9 min earlier than Davis (X-INV).
- Overall place Δ
- -2
- Actual time Δ
- +8:52
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Irena earlier)
- Finish clock Δ
- -0:08
- Section place Δ
- -15
Δ = Irena − Davis. Negative means Irena is ahead/faster.
Race timeline
Computed- Irena (M-INV) started at 8:13 AM.
- Davis (X-INV) started at 8:22 AM, 9:00 later.
- Actual running time: Davis was 8:52 faster on foot than Irena.
- Finish clock: Irena crossed the line 0:08 ahead of Davis — Irena wins this head-to-head.
Δ (A − B): actual +8:52 · finish clock -0:08.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Irena | Davis | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:47 | 8:15 | +0:32 |
| Stairs to Windy Gap | 7:19 | 6:18 | +1:01 |
| Windy Gap to Muir Woods | 6:12 | 5:29 | +0:43 |
| Muir Woods to Cardiac | 33:12 | 30:18 | +2:54 |
| Cardiac to White Gate | 16:22 | 13:56 | +2:26 |
| White Gate to The Stile | 8:01 | 7:02 | +0:59 |
| The Stile to Finish | 2:07 | 1:50 | +0:17 |
Δ negative = Irena ran the segment faster.