Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMark W Speets
#104 · 1:07:00 · M57 · Group Q · INV
Wave start 8:16 AM (Q-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
Mark (Q-INV) started at 8:16 AM; Edward (Z-INV) started at 8:24 AM. That gave Mark a 8 minutes head start on Edward. On foot, Mark ran 1:07:00 and Edward ran 48:29 — Edward was 18:31 faster than Mark. Mark took official place 104th (time-based 232nd) 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 7:48 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Mark W Speets (Q-INV) started 8 min earlier than Edward (Z-INV).
- Overall place Δ
- +102
- Actual time Δ
- +18:31
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Mark earlier)
- Finish clock Δ
- +10:31
- Section place Δ
- +16
Δ = Mark − Edward. Negative means Mark is ahead/faster.
Race timeline
Computed- Mark (Q-INV) started at 8:16 AM.
- Edward (Z-INV) started at 8:24 AM, 8:00 later.
- Actual running time: Edward was 18:31 faster on foot than Mark.
- Finish clock: Edward crossed the line 10:31 ahead of Mark — Edward wins this head-to-head.
Δ (A − B): actual +18:31 · finish clock +10:31.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mark | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:15 | 5:48 | +2:27 |
| Stairs to Windy Gap | 6:03 | 4:17 | +1:46 |
| Windy Gap to Muir Woods | 5:35 | 4:16 | +1:19 |
| Muir Woods to Cardiac | 25:40 | 17:52 | +7:48 |
| Cardiac to White Gate | 13:12 | 9:40 | +3:32 |
| White Gate to The Stile | 6:15 | 5:03 | +1:12 |
| The Stile to Finish | 2:00 | 1:33 | +0:27 |
Δ negative = Mark ran the segment faster.