Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialAlex Katz
#316 · 1:06:59 · M29 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Athlete B
OfficialHarrison Davis
#318 · 1:12:00 · M13 · Group U · INV
Wave start 8:19 AM (U-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
Alex (Z-INV) started at 8:24 AM; Harrison (U-INV) started at 8:19 AM. That gave Harrison a 5 minutes head start on Alex. On foot, Alex ran 1:06:59 and Harrison ran 1:12:00 — Alex was 5:01 faster than Harrison. Alex took official place 316th (time-based 231st) and Harrison took official place 318th (time-based 390th). Alex was faster on foot and finished ahead on the official clock too. Biggest swing: Alex gained 2:25 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Harrison Davis (U-INV) started 5 min earlier than Alex (Z-INV).
- Overall place Δ
- -2
- Actual time Δ
- -5:01
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Harrison earlier)
- Finish clock Δ
- -0:01
- Section place Δ
- +13
Δ = Alex − Harrison. Negative means Alex is ahead/faster.
Race timeline
Computed- Harrison (U-INV) started at 8:19 AM.
- Alex (Z-INV) started at 8:24 AM, 5:00 later.
- Actual running time: Alex was 5:01 faster on foot than Harrison.
- Finish clock: Alex crossed the line 0:01 ahead of Harrison — Alex wins this head-to-head.
Δ (A − B): actual -5:01 · finish clock -0:01.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Alex | Harrison | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:53 | 7:53 | ±0:00 |
| Stairs to Windy Gap | 6:08 | 6:08 | ±0:00 |
| Windy Gap to Muir Woods | 5:28 | 5:36 | -0:08 |
| Muir Woods to Cardiac | 25:56 | 28:21 | -2:25 |
| Cardiac to White Gate | 13:08 | 14:48 | -1:40 |
| White Gate to The Stile | 6:41 | 7:16 | -0:35 |
| The Stile to Finish | 1:45 | 1:58 | -0:13 |
Δ negative = Alex ran the segment faster.