Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialRobert J Stumpf
#1377 · 2:41:13 · M78 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Athlete B
OfficialDavid W Erskine
#1375 · 2:38:57 · M76 · Group AAA · DR
Wave start 8:27 AM (AAA-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
Robert (AAA-DR) started at 8:27 AM; David (AAA-DR) started at 8:27 AM. Both left the line at the same moment. On foot, Robert ran 2:41:13 and David ran 2:38:57 — David was 2:16 faster than Robert. Robert took official place 1377th (time-based 1382nd) and David took official place 1375th (time-based 1376th). David was faster on foot and finished ahead on the official clock too. Biggest swing: David gained 4:35 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Both started in the same wave.
- Overall place Δ
- +2
- Actual time Δ
- +2:16
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- ±0 min
- Finish clock Δ
- +2:16
- Section place Δ
- +2
Δ = Robert − David. Negative means Robert is ahead/faster.
Race timeline
Computed- Robert (AAA-DR) started at 8:27 AM.
- David (AAA-DR) also started at 8:27 AM.
- Actual running time: David was 2:16 faster on foot than Robert.
- Finish clock: David crossed the line 2:16 ahead of Robert — David wins this head-to-head.
Δ (A − B): actual +2:16 · finish clock +2:16.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Robert | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 17:35 | 16:20 | +1:15 |
| Stairs to Windy Gap | 13:48 | 12:34 | +1:14 |
| Windy Gap to Muir Woods | 14:41 | 16:01 | -1:20 |
| Muir Woods to Cardiac | 54:33 | 49:58 | +4:35 |
| Cardiac to White Gate | 36:53 | 38:03 | -1:10 |
| White Gate to The Stile | 18:09 | 20:27 | -2:18 |
| The Stile to Finish | 5:34 | 5:34 | ±0:00 |
Δ negative = Robert ran the segment faster.