Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJohn McLaughlin
#570 · 1:23:14 · M71 · Group B · DR
Wave start 8:30 AM (B-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
John (B-DR) started at 8:30 AM; Edward (Z-INV) started at 8:24 AM. That gave Edward a 6 minutes head start on John because the Runner wave starts 27 minutes after the Invitational wave. On foot, John ran 1:23:14 and Edward ran 48:29 — Edward was 34:45 faster than John. John took official place 570th (time-based 747th) 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 10:36 from Cardiac to White Gate.
Deltas
ComputedWave start
Edward R Owens (Z-INV) started 6 min earlier than John (B-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +568
- Actual time Δ
- +34:45
- Section gap Δ
- 27 min (Edward earlier)
- Wave start Δ
- 6 min (Edward earlier)
- Finish clock Δ
- +40:45
- Section place Δ
- —
Δ = John − Edward. Negative means John is ahead/faster.
Race timeline
Computed- Edward (Z-INV) started at 8:24 AM.
- John (B-DR) started at 8:30 AM, 6:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Edward was 34:45 faster on foot than John.
- Finish clock: Edward crossed the line 40:45 ahead of John — Edward wins this head-to-head.
Δ (A − B): actual +34:45 · finish clock +40:45.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | John | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:21 | 5:48 | +3:33 |
| Stairs to Windy Gap | 6:50 | 4:17 | +2:33 |
| Windy Gap to Muir Woods | 8:54 | 4:16 | +4:38 |
| Muir Woods to Cardiac | 26:56 | 17:52 | +9:04 |
| Cardiac to White Gate | 20:16 | 9:40 | +10:36 |
| White Gate to The Stile | 8:48 | 5:03 | +3:45 |
| The Stile to Finish | 2:09 | 1:33 | +0:36 |
Δ negative = John ran the segment faster.