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
OfficialJohan Wilms
#1162 · 1:36:16 · M43 · Group X · DR
Wave start 8:49 AM (X-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
KATHERINE (Q-DR) started at 8:43 AM; Johan (X-DR) started at 8:49 AM. That gave KATHERINE a 6 minutes head start on Johan. On foot, KATHERINE ran 1:42:01 and Johan ran 1:36:16 — Johan was 5:45 faster than KATHERINE. KATHERINE took official place 1159th (time-based 1122nd) and Johan took official place 1162nd (time-based 1037th). KATHERINE's head start was enough to flip the official order even though Johan was faster on foot. Biggest swing: Johan gained 2:11 from Windy Gap to Muir Woods.
Deltas
ComputedWave start
KATHERINE OBRIEN (Q-DR) started 6 min earlier than Johan (X-DR).
- Overall place Δ
- -3
- Actual time Δ
- +5:45
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (KATHERINE earlier)
- Finish clock Δ
- -0:15
- Section place Δ
- +39
Δ = KATHERINE − Johan. Negative means KATHERINE is ahead/faster.
Race timeline
Computed- KATHERINE (Q-DR) started at 8:43 AM.
- Johan (X-DR) started at 8:49 AM, 6:00 later.
- Actual running time: Johan was 5:45 faster on foot than KATHERINE.
- Finish clock: KATHERINE crossed the line 0:15 ahead of Johan — KATHERINE wins this head-to-head.
Δ (A − B): actual +5:45 · finish clock -0:15.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | KATHERINE | Johan | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:08 | 10:18 | +1:50 |
| Stairs to Windy Gap | 8:51 | 8:06 | +0:45 |
| Windy Gap to Muir Woods | 9:38 | 7:27 | +2:11 |
| Muir Woods to Cardiac | 37:35 | 38:25 | -0:50 |
| Cardiac to White Gate | 21:16 | 20:05 | +1:11 |
| White Gate to The Stile | 9:56 | 9:28 | +0:28 |
| The Stile to Finish | 2:37 | 2:27 | +0:10 |
Δ negative = KATHERINE ran the segment faster.