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
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-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; Edward (Z-INV) started at 8:24 AM. That gave Irena a 11 minutes head start on Edward. On foot, Irena ran 1:22:00 and Edward ran 48:29 — Edward was 33:31 faster than Irena. Irena took official place 442nd (time-based 707th) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 15:20 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Irena Brooks (M-INV) started 11 min earlier than Edward (Z-INV).
- Overall place Δ
- +440
- Actual time Δ
- +33:31
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 11 min (Irena earlier)
- Finish clock Δ
- +22:31
- Section place Δ
- +19
Δ = Irena − Edward. Negative means Irena is ahead/faster.
Race timeline
Computed- Irena (M-INV) started at 8:13 AM.
- Edward (Z-INV) started at 8:24 AM, 11:00 later.
- Actual running time: Edward was 33:31 faster on foot than Irena.
- Finish clock: Edward crossed the line 22:31 ahead of Irena — Edward wins this head-to-head.
Δ (A − B): actual +33:31 · finish clock +22:31.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Irena | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:47 | 5:48 | +2:59 |
| Stairs to Windy Gap | 7:19 | 4:17 | +3:02 |
| Windy Gap to Muir Woods | 6:12 | 4:16 | +1:56 |
| Muir Woods to Cardiac | 33:12 | 17:52 | +15:20 |
| Cardiac to White Gate | 16:22 | 9:40 | +6:42 |
| White Gate to The Stile | 8:01 | 5:03 | +2:58 |
| The Stile to Finish | 2:07 | 1:33 | +0:34 |
Δ negative = Irena ran the segment faster.