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
OfficialJulia R Maxwell Bailey
#3 · 57:02 · F30 · Group Q · INV
Wave start 8:16 AM (Q-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; Julia (Q-INV) started at 8:16 AM. That gave Julia a 8 minutes head start on Alex. On foot, Alex ran 1:06:59 and Julia ran 57:02 — Julia was 9:57 faster than Alex. Alex took official place 316th (time-based 231st) and Julia took official place 3rd (time-based 32nd). Julia was faster on foot and finished ahead on the official clock too. Biggest swing: Julia gained 5:30 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Julia R Maxwell Bailey (Q-INV) started 8 min earlier than Alex (Z-INV).
- Overall place Δ
- +313
- Actual time Δ
- +9:57
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Julia earlier)
- Finish clock Δ
- +17:57
- Section place Δ
- +33
Δ = Alex − Julia. Negative means Alex is ahead/faster.
Race timeline
Computed- Julia (Q-INV) started at 8:16 AM.
- Alex (Z-INV) started at 8:24 AM, 8:00 later.
- Actual running time: Julia was 9:57 faster on foot than Alex.
- Finish clock: Julia crossed the line 17:57 ahead of Alex — Julia wins this head-to-head.
Δ (A − B): actual +9:57 · finish clock +17:57.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Alex | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:53 | 6:46 | +1:07 |
| Stairs to Windy Gap | 6:08 | 5:03 | +1:05 |
| Windy Gap to Muir Woods | 5:28 | 5:20 | +0:08 |
| Muir Woods to Cardiac | 25:56 | 20:26 | +5:30 |
| Cardiac to White Gate | 13:08 | 11:52 | +1:16 |
| White Gate to The Stile | 6:41 | 5:54 | +0:47 |
| The Stile to Finish | 1:45 | 1:41 | +0:04 |
Δ negative = Alex ran the segment faster.