Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJan K Zeman
#298 · 1:10:26 · M49 · Group V · INV
Wave start 8:20 AM (V-INV)
Athlete B
OfficialEric J Hoffman
#303 · 1:13:39 · M56 · Group R · INV
Wave start 8:17 AM (R-INV)
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
Jan (V-INV) started at 8:20 AM; Eric (R-INV) started at 8:17 AM. That gave Eric a 3 minutes head start on Jan. On foot, Jan ran 1:10:26 and Eric ran 1:13:39 — Jan was 3:13 faster than Eric. Jan took official place 298th (time-based 339th) and Eric took official place 303rd (time-based 439th). Jan was faster on foot and finished ahead on the official clock too. Biggest swing: Jan gained 1:11 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Eric J Hoffman (R-INV) started 3 min earlier than Jan (V-INV).
- Overall place Δ
- -5
- Actual time Δ
- -3:13
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Eric earlier)
- Finish clock Δ
- -0:13
- Section place Δ
- +15
Δ = Jan − Eric. Negative means Jan is ahead/faster.
Race timeline
Computed- Eric (R-INV) started at 8:17 AM.
- Jan (V-INV) started at 8:20 AM, 3:00 later.
- Actual running time: Jan was 3:13 faster on foot than Eric.
- Finish clock: Jan crossed the line 0:13 ahead of Eric — Jan wins this head-to-head.
Δ (A − B): actual -3:13 · finish clock -0:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jan | Eric | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:44 | 9:01 | -1:17 |
| Stairs to Windy Gap | 6:27 | 6:22 | +0:05 |
| Windy Gap to Muir Woods | 6:09 | 6:46 | -0:37 |
| Muir Woods to Cardiac | 25:36 | 26:47 | -1:11 |
| Cardiac to White Gate | 15:26 | 14:56 | +0:30 |
| White Gate to The Stile | 7:09 | 7:39 | -0:30 |
| The Stile to Finish | 1:55 | 2:08 | -0:13 |
Δ negative = Jan ran the segment faster.