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
OfficialKoji Glenn-Horstein
#653 · 1:19:49 · M10 · Group N · DR
Wave start 8:41 AM (N-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; Koji (N-DR) started at 8:41 AM. That gave Koji a 9 minutes head start on Jon. On foot, Jon ran 1:10:43 and Koji ran 1:19:49 — Jon was 9:06 faster than Koji. Jon took official place 649th (time-based 347th) and Koji took official place 653rd (time-based 646th). Jon was faster on foot and finished ahead on the official clock too. Biggest swing: Jon gained 2:20 from Cardiac to White Gate.
Deltas
ComputedWave start
Koji Glenn-Horstein (N-DR) started 9 min earlier than Jon (Y-DR).
- Overall place Δ
- -4
- Actual time Δ
- -9:06
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Koji earlier)
- Finish clock Δ
- -0:06
- Section place Δ
- +17
Δ = Jon − Koji. Negative means Jon is ahead/faster.
Race timeline
Computed- Koji (N-DR) started at 8:41 AM.
- Jon (Y-DR) started at 8:50 AM, 9:00 later.
- Actual running time: Jon was 9:06 faster on foot than Koji.
- Finish clock: Jon crossed the line 0:06 ahead of Koji — Jon wins this head-to-head.
Δ (A − B): actual -9:06 · finish clock -0:06.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jon | Koji | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:06 | 9:00 | -0:54 |
| Stairs to Windy Gap | 5:48 | 6:48 | -1:00 |
| Windy Gap to Muir Woods | 5:52 | 7:08 | -1:16 |
| Muir Woods to Cardiac | 27:22 | 29:41 | -2:19 |
| Cardiac to White Gate | 14:26 | 16:46 | -2:20 |
| White Gate to The Stile | 7:10 | 8:07 | -0:57 |
| The Stile to Finish | 1:59 | 2:19 | -0:20 |
Δ negative = Jon ran the segment faster.