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 P Robinson
#1161 · 1:38:14 · M49 · Group V · DR
Wave start 8:47 AM (V-DR)
Athlete B
OfficialKATHERINE OBRIEN
#1159 · 1:42:01 · F31 · Group Q · DR
Wave start 8:43 AM (Q-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
Tom (V-DR) started at 8:47 AM; KATHERINE (Q-DR) started at 8:43 AM. That gave KATHERINE a 4 minutes head start on Tom. On foot, Tom ran 1:38:14 and KATHERINE ran 1:42:01 — Tom was 3:47 faster than KATHERINE. Tom took official place 1161st (time-based 1071st) and KATHERINE took official place 1159th (time-based 1122nd). KATHERINE's head start was enough to flip the official order even though Tom was faster on foot. Biggest swing: Tom gained 1:23 from Windy Gap to Muir Woods.
Deltas
ComputedWave start
KATHERINE OBRIEN (Q-DR) started 4 min earlier than Tom (V-DR).
- Overall place Δ
- +2
- Actual time Δ
- -3:47
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (KATHERINE earlier)
- Finish clock Δ
- +0:13
- Section place Δ
- -51
Δ = Tom − KATHERINE. Negative means Tom is ahead/faster.
Race timeline
Computed- KATHERINE (Q-DR) started at 8:43 AM.
- Tom (V-DR) started at 8:47 AM, 4:00 later.
- Actual running time: Tom was 3:47 faster on foot than KATHERINE.
- Finish clock: KATHERINE crossed the line 0:13 ahead of Tom — KATHERINE wins this head-to-head.
Δ (A − B): actual -3:47 · finish clock +0:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Tom | KATHERINE | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:13 | 12:08 | -0:55 |
| Stairs to Windy Gap | 7:58 | 8:51 | -0:53 |
| Windy Gap to Muir Woods | 8:15 | 9:38 | -1:23 |
| Muir Woods to Cardiac | 37:44 | 37:35 | +0:09 |
| Cardiac to White Gate | 20:10 | 21:16 | -1:06 |
| White Gate to The Stile | 10:12 | 9:56 | +0:16 |
| The Stile to Finish | 2:42 | 2:37 | +0:05 |
Δ negative = Tom ran the segment faster.