Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialKoji Glenn-Horstein
#653 · 1:19:49 · M10 · Group N · DR
Wave start 8:41 AM (N-DR)
Athlete B
OfficialJason Andrechak
#652 · 1:09:48 · M31 · 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
Koji (N-DR) started at 8:41 AM; Jason (Z-DR) started at 8:51 AM. That gave Koji a 10 minutes head start on Jason. On foot, Koji ran 1:19:49 and Jason ran 1:09:48 — Jason was 10:01 faster than Koji. Koji took official place 653rd (time-based 646th) and Jason took official place 652nd (time-based 318th). Jason was faster on foot and finished ahead on the official clock too. Biggest swing: Jason gained 3:58 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Koji Glenn-Horstein (N-DR) started 10 min earlier than Jason (Z-DR).
- Overall place Δ
- +1
- Actual time Δ
- +10:01
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Koji earlier)
- Finish clock Δ
- +0:01
- Section place Δ
- -8
Δ = Koji − Jason. Negative means Koji is ahead/faster.
Race timeline
Computed- Koji (N-DR) started at 8:41 AM.
- Jason (Z-DR) started at 8:51 AM, 10:00 later.
- Actual running time: Jason was 10:01 faster on foot than Koji.
- Finish clock: Jason crossed the line 0:01 ahead of Koji — Jason wins this head-to-head.
Δ (A − B): actual +10:01 · finish clock +0:01.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Koji | Jason | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:00 | 8:12 | +0:48 |
| Stairs to Windy Gap | 6:48 | 5:52 | +0:56 |
| Windy Gap to Muir Woods | 7:08 | 6:19 | +0:49 |
| Muir Woods to Cardiac | 29:41 | 25:43 | +3:58 |
| Cardiac to White Gate | 16:46 | 14:47 | +1:59 |
| White Gate to The Stile | 8:07 | 7:02 | +1:05 |
| The Stile to Finish | 2:19 | 1:53 | +0:26 |
Δ negative = Koji ran the segment faster.