Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJason Andrechak
#652 · 1:09:48 · M31 · Group Z · DR
Wave start 8:51 AM (Z-DR)
Athlete B
OfficialJon Thompson
#649 · 1:10:43 · M33 · Group Y · DR
Wave start 8:50 AM (Y-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
Jason (Z-DR) started at 8:51 AM; Jon (Y-DR) started at 8:50 AM. That gave Jon a 1 minute head start on Jason. On foot, Jason ran 1:09:48 and Jon ran 1:10:43 — Jason was 0:55 faster than Jon. Jason took official place 652nd (time-based 318th) and Jon took official place 649th (time-based 347th). Jon's head start was enough to flip the official order even though Jason was faster on foot. Biggest swing: Jason gained 1:39 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Jon Thompson (Y-DR) started 1 min earlier than Jason (Z-DR).
- Overall place Δ
- +3
- Actual time Δ
- -0:55
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Jon earlier)
- Finish clock Δ
- +0:05
- Section place Δ
- -9
Δ = Jason − Jon. Negative means Jason is ahead/faster.
Race timeline
Computed- Jon (Y-DR) started at 8:50 AM.
- Jason (Z-DR) started at 8:51 AM, 1:00 later.
- Actual running time: Jason was 0:55 faster on foot than Jon.
- Finish clock: Jon crossed the line 0:05 ahead of Jason — Jon wins this head-to-head.
Δ (A − B): actual -0:55 · finish clock +0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jason | Jon | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:12 | 8:06 | +0:06 |
| Stairs to Windy Gap | 5:52 | 5:48 | +0:04 |
| Windy Gap to Muir Woods | 6:19 | 5:52 | +0:27 |
| Muir Woods to Cardiac | 25:43 | 27:22 | -1:39 |
| Cardiac to White Gate | 14:47 | 14:26 | +0:21 |
| White Gate to The Stile | 7:02 | 7:10 | -0:08 |
| The Stile to Finish | 1:53 | 1:59 | -0:06 |
Δ negative = Jason ran the segment faster.