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
OfficialBrian D Veronda
#437 · 1:16:49 · M54 · Group T · INV
Wave start 8:18 AM (T-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; Brian (T-INV) started at 8:18 AM. That gave Irena a 5 minutes head start on Brian. On foot, Irena ran 1:22:00 and Brian ran 1:16:49 — Brian was 5:11 faster than Irena. Irena took official place 442nd (time-based 707th) and Brian took official place 437th (time-based 544th). Brian was faster on foot and finished ahead on the official clock too. Biggest swing: Brian gained 2:03 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Irena Brooks (M-INV) started 5 min earlier than Brian (T-INV).
- Overall place Δ
- +5
- Actual time Δ
- +5:11
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Irena earlier)
- Finish clock Δ
- +0:11
- Section place Δ
- +6
Δ = Irena − Brian. Negative means Irena is ahead/faster.
Race timeline
Computed- Irena (M-INV) started at 8:13 AM.
- Brian (T-INV) started at 8:18 AM, 5:00 later.
- Actual running time: Brian was 5:11 faster on foot than Irena.
- Finish clock: Brian crossed the line 0:11 ahead of Irena — Brian wins this head-to-head.
Δ (A − B): actual +5:11 · finish clock +0:11.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Irena | Brian | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:47 | 9:26 | -0:39 |
| Stairs to Windy Gap | 7:19 | 6:35 | +0:44 |
| Windy Gap to Muir Woods | 6:12 | 5:29 | +0:43 |
| Muir Woods to Cardiac | 33:12 | 31:09 | +2:03 |
| Cardiac to White Gate | 16:22 | 14:49 | +1:33 |
| White Gate to The Stile | 8:01 | 7:21 | +0:40 |
| The Stile to Finish | 2:07 | 2:00 | +0:07 |
Δ negative = Irena ran the segment faster.