Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJon Thompson
#649 · 1:10:43 · M33 · Group Y · DR
Wave start 8:50 AM (Y-DR)
Athlete B
OfficialMark Alan Biedlingmaier
#645 · 1:09:26 · M32 · 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
Jon (Y-DR) started at 8:50 AM; Mark (Z-DR) started at 8:51 AM. That gave Jon a 1 minute head start on Mark. On foot, Jon ran 1:10:43 and Mark ran 1:09:26 — Mark was 1:17 faster than Jon. Jon took official place 649th (time-based 347th) and Mark took official place 645th (time-based 308th). Mark was faster on foot and finished ahead on the official clock too. Biggest swing: Mark gained 1:28 from Cardiac to White Gate.
Deltas
ComputedWave start
Jon Thompson (Y-DR) started 1 min earlier than Mark (Z-DR).
- Overall place Δ
- +4
- Actual time Δ
- +1:17
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Jon earlier)
- Finish clock Δ
- +0:17
- Section place Δ
- +10
Δ = Jon − Mark. Negative means Jon is ahead/faster.
Race timeline
Computed- Jon (Y-DR) started at 8:50 AM.
- Mark (Z-DR) started at 8:51 AM, 1:00 later.
- Actual running time: Mark was 1:17 faster on foot than Jon.
- Finish clock: Mark crossed the line 0:17 ahead of Jon — Mark wins this head-to-head.
Δ (A − B): actual +1:17 · finish clock +0:17.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jon | Mark | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:06 | 8:26 | -0:20 |
| Stairs to Windy Gap | 5:48 | 7:00 | -1:12 |
| Windy Gap to Muir Woods | 5:52 | 5:46 | +0:06 |
| Muir Woods to Cardiac | 27:22 | 27:17 | +0:05 |
| Cardiac to White Gate | 14:26 | 12:58 | +1:28 |
| White Gate to The Stile | 7:10 | 6:21 | +0:49 |
| The Stile to Finish | 1:59 | 1:38 | +0:21 |
Δ negative = Jon ran the segment faster.