Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialKATHERINE OBRIEN
#1159 · 1:42:01 · F31 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Athlete B
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-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
KATHERINE (Q-DR) started at 8:43 AM; Edward (Z-INV) started at 8:24 AM. That gave Edward a 19 minutes head start on KATHERINE because the Runner wave starts 27 minutes after the Invitational wave. On foot, KATHERINE ran 1:42:01 and Edward ran 48:29 — Edward was 53:32 faster than KATHERINE. KATHERINE took official place 1159th (time-based 1122nd) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 19:43 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Edward R Owens (Z-INV) started 19 min earlier than KATHERINE (Q-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +1157
- Actual time Δ
- +53:32
- Section gap Δ
- 27 min (Edward earlier)
- Wave start Δ
- 19 min (Edward earlier)
- Finish clock Δ
- +1:12:32
- Section place Δ
- —
Δ = KATHERINE − Edward. Negative means KATHERINE is ahead/faster.
Race timeline
Computed- Edward (Z-INV) started at 8:24 AM.
- KATHERINE (Q-DR) started at 8:43 AM, 19:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Edward was 53:32 faster on foot than KATHERINE.
- Finish clock: Edward crossed the line 1:12:32 ahead of KATHERINE — Edward wins this head-to-head.
Δ (A − B): actual +53:32 · finish clock +1:12:32.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | KATHERINE | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:08 | 5:48 | +6:20 |
| Stairs to Windy Gap | 8:51 | 4:17 | +4:34 |
| Windy Gap to Muir Woods | 9:38 | 4:16 | +5:22 |
| Muir Woods to Cardiac | 37:35 | 17:52 | +19:43 |
| Cardiac to White Gate | 21:16 | 9:40 | +11:36 |
| White Gate to The Stile | 9:56 | 5:03 | +4:53 |
| The Stile to Finish | 2:37 | 1:33 | +1:04 |
Δ negative = KATHERINE ran the segment faster.