Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDoug M Karpa
#1367 · 2:18:14 · M57 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Athlete B
OfficialIan Oprendek
#1364 · 2:10:01 · M28 · Group Z · DR
Wave start 8:51 AM (Z-DR)
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
Doug (Q-DR) started at 8:43 AM; Ian (Z-DR) started at 8:51 AM. That gave Doug a 8 minutes head start on Ian. On foot, Doug ran 2:18:14 and Ian ran 2:10:01 — Ian was 8:13 faster than Doug. Doug took official place 1367th (time-based 1349th) and Ian took official place 1364th (time-based 1331st). Ian was faster on foot and finished ahead on the official clock too. Biggest swing: Ian gained 3:36 from White Gate to The Stile.
Deltas
ComputedWave start
Doug M Karpa (Q-DR) started 8 min earlier than Ian (Z-DR).
- Overall place Δ
- +3
- Actual time Δ
- +8:13
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Doug earlier)
- Finish clock Δ
- +0:13
- Section place Δ
- +38
Δ = Doug − Ian. Negative means Doug is ahead/faster.
Race timeline
Computed- Doug (Q-DR) started at 8:43 AM.
- Ian (Z-DR) started at 8:51 AM, 8:00 later.
- Actual running time: Ian was 8:13 faster on foot than Doug.
- Finish clock: Ian crossed the line 0:13 ahead of Doug — Ian wins this head-to-head.
Δ (A − B): actual +8:13 · finish clock +0:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Doug | Ian | Δ |
|---|---|---|---|
| Start to Top of Stairs | 13:16 | 12:43 | +0:33 |
| Stairs to Windy Gap | 10:05 | 11:47 | -1:42 |
| Windy Gap to Muir Woods | 8:42 | 8:36 | +0:06 |
| Muir Woods to Cardiac | 52:00 | 48:29 | +3:31 |
| Cardiac to White Gate | 30:18 | 28:23 | +1:55 |
| White Gate to The Stile | 20:12 | 16:36 | +3:36 |
| The Stile to Finish | 3:41 | 3:27 | +0:14 |
Δ negative = Doug ran the segment faster.