Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialShiraz Allidina
#1111 · 1:35:59 · M53 · Group U · DR
Wave start 8:46 AM (U-DR)
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
Shiraz (U-DR) started at 8:46 AM; Edward (Z-INV) started at 8:24 AM. That gave Edward a 22 minutes head start on Shiraz because the Runner wave starts 27 minutes after the Invitational wave. On foot, Shiraz ran 1:35:59 and Edward ran 48:29 — Edward was 47:30 faster than Shiraz. Shiraz took official place 1111th (time-based 1031st) 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 20:50 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Edward R Owens (Z-INV) started 22 min earlier than Shiraz (U-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +1109
- Actual time Δ
- +47:30
- Section gap Δ
- 27 min (Edward earlier)
- Wave start Δ
- 22 min (Edward earlier)
- Finish clock Δ
- +1:09:30
- Section place Δ
- —
Δ = Shiraz − Edward. Negative means Shiraz is ahead/faster.
Race timeline
Computed- Edward (Z-INV) started at 8:24 AM.
- Shiraz (U-DR) started at 8:46 AM, 22:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Edward was 47:30 faster on foot than Shiraz.
- Finish clock: Edward crossed the line 1:09:30 ahead of Shiraz — Edward wins this head-to-head.
Δ (A − B): actual +47:30 · finish clock +1:09:30.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Shiraz | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:37 | 5:48 | +4:49 |
| Stairs to Windy Gap | 8:22 | 4:17 | +4:05 |
| Windy Gap to Muir Woods | 7:27 | 4:16 | +3:11 |
| Muir Woods to Cardiac | 38:42 | 17:52 | +20:50 |
| Cardiac to White Gate | 19:06 | 9:40 | +9:26 |
| White Gate to The Stile | 9:17 | 5:03 | +4:14 |
| The Stile to Finish | 2:28 | 1:33 | +0:55 |
Δ negative = Shiraz ran the segment faster.