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 VandenBerghe
#723 · 1:26:05 · M62 · Group L · DR
Wave start 8:39 AM (L-DR)
Athlete B
OfficialRobert O Spinosa
#721 · 1:18:56 · M13 · Group U · DR
Wave start 8:46 AM (U-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
Mark (L-DR) started at 8:39 AM; Robert (U-DR) started at 8:46 AM. That gave Mark a 7 minutes head start on Robert. On foot, Mark ran 1:26:05 and Robert ran 1:18:56 — Robert was 7:09 faster than Mark. Mark took official place 723rd (time-based 814th) and Robert took official place 721st (time-based 612th). Robert was faster on foot and finished ahead on the official clock too. Biggest swing: Robert gained 3:13 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Mark VandenBerghe (L-DR) started 7 min earlier than Robert (U-DR).
- Overall place Δ
- +2
- Actual time Δ
- +7:09
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Mark earlier)
- Finish clock Δ
- +0:09
- Section place Δ
- -10
Δ = Mark − Robert. Negative means Mark is ahead/faster.
Race timeline
Computed- Mark (L-DR) started at 8:39 AM.
- Robert (U-DR) started at 8:46 AM, 7:00 later.
- Actual running time: Robert was 7:09 faster on foot than Mark.
- Finish clock: Robert crossed the line 0:09 ahead of Mark — Robert wins this head-to-head.
Δ (A − B): actual +7:09 · finish clock +0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mark | Robert | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:38 | 8:42 | +0:56 |
| Stairs to Windy Gap | 7:36 | 6:45 | +0:51 |
| Windy Gap to Muir Woods | 7:04 | 6:44 | +0:20 |
| Muir Woods to Cardiac | 32:14 | 29:01 | +3:13 |
| Cardiac to White Gate | 18:43 | 17:02 | +1:41 |
| White Gate to The Stile | 8:26 | 8:36 | -0:10 |
| The Stile to Finish | 2:24 | 2:06 | +0:18 |
Δ negative = Mark ran the segment faster.