Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialTom Bliska
#347 · 1:08:44 · M36 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialEmily Zhong
#349 · 1:15:45 · F28 · 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
Tom (Y-INV) started at 8:23 AM; Emily (Q-INV) started at 8:16 AM. That gave Emily a 7 minutes head start on Tom. On foot, Tom ran 1:08:44 and Emily ran 1:15:45 — Tom was 7:01 faster than Emily. Tom took official place 347th (time-based 281st) and Emily took official place 349th (time-based 515th). Tom was faster on foot and finished ahead on the official clock too. Biggest swing: Tom gained 2:37 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Emily Zhong (Q-INV) started 7 min earlier than Tom (Y-INV).
- Overall place Δ
- -2
- Actual time Δ
- -7:01
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Emily earlier)
- Finish clock Δ
- -0:01
- Section place Δ
- +23
Δ = Tom − Emily. Negative means Tom is ahead/faster.
Race timeline
Computed- Emily (Q-INV) started at 8:16 AM.
- Tom (Y-INV) started at 8:23 AM, 7:00 later.
- Actual running time: Tom was 7:01 faster on foot than Emily.
- Finish clock: Tom crossed the line 0:01 ahead of Emily — Tom wins this head-to-head.
Δ (A − B): actual -7:01 · finish clock -0:01.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Tom | Emily | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:11 | 9:02 | -0:51 |
| Stairs to Windy Gap | 5:56 | 6:15 | -0:19 |
| Windy Gap to Muir Woods | 5:37 | 6:35 | -0:58 |
| Muir Woods to Cardiac | 26:18 | 28:55 | -2:37 |
| Cardiac to White Gate | 13:30 | 15:34 | -2:04 |
| White Gate to The Stile | 7:15 | 7:24 | -0:09 |
| The Stile to Finish | 1:57 | 2:00 | -0:03 |
Δ negative = Tom ran the segment faster.