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
OfficialJason J Szydlik
#446 · 1:16:09 · M51 · Group U · INV
Wave start 8:19 AM (U-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; Jason (U-INV) started at 8:19 AM. That gave Irena a 6 minutes head start on Jason. On foot, Irena ran 1:22:00 and Jason ran 1:16:09 — Jason was 5:51 faster than Irena. Irena took official place 442nd (time-based 707th) and Jason took official place 446th (time-based 525th). Irena's head start was enough to flip the official order even though Jason was faster on foot. Biggest swing: Jason gained 2:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Irena Brooks (M-INV) started 6 min earlier than Jason (U-INV).
- Overall place Δ
- -4
- Actual time Δ
- +5:51
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Irena earlier)
- Finish clock Δ
- -0:09
- Section place Δ
- -7
Δ = Irena − Jason. Negative means Irena is ahead/faster.
Race timeline
Computed- Irena (M-INV) started at 8:13 AM.
- Jason (U-INV) started at 8:19 AM, 6:00 later.
- Actual running time: Jason was 5:51 faster on foot than Irena.
- Finish clock: Irena crossed the line 0:09 ahead of Jason — Irena wins this head-to-head.
Δ (A − B): actual +5:51 · finish clock -0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Irena | Jason | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:47 | 9:18 | -0:31 |
| Stairs to Windy Gap | 7:19 | 6:37 | +0:42 |
| Windy Gap to Muir Woods | 6:12 | 5:25 | +0:47 |
| Muir Woods to Cardiac | 33:12 | 30:32 | +2:40 |
| Cardiac to White Gate | 16:22 | 14:45 | +1:37 |
| White Gate to The Stile | 8:01 | 7:24 | +0:37 |
| The Stile to Finish | 2:07 | 2:08 | -0:01 |
Δ negative = Irena ran the segment faster.