Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialWilliam A Magrath
#467 · 1:15:32 · M46 · Group W · INV
Wave start 8:21 AM (W-INV)
Athlete B
OfficialJinwoo Kim
#465 · 1:21:20 · M59 · Group P · INV
Wave start 8:15 AM (P-INV)
Comparison report
Download the full report as a PDF, share the file, or send a link to this view.
The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
William (W-INV) started at 8:21 AM; Jinwoo (P-INV) started at 8:15 AM. That gave Jinwoo a 6 minutes head start on William. On foot, William ran 1:15:32 and Jinwoo ran 1:21:20 — William was 5:48 faster than Jinwoo. William took official place 467th (time-based 504th) and Jinwoo took official place 465th (time-based 688th). Jinwoo's head start was enough to flip the official order even though William was faster on foot. Biggest swing: William gained 2:34 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Jinwoo Kim (P-INV) started 6 min earlier than William (W-INV).
- Overall place Δ
- +2
- Actual time Δ
- -5:48
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Jinwoo earlier)
- Finish clock Δ
- +0:12
- Section place Δ
- -7
Δ = William − Jinwoo. Negative means William is ahead/faster.
Race timeline
Computed- Jinwoo (P-INV) started at 8:15 AM.
- William (W-INV) started at 8:21 AM, 6:00 later.
- Actual running time: William was 5:48 faster on foot than Jinwoo.
- Finish clock: Jinwoo crossed the line 0:12 ahead of William — Jinwoo wins this head-to-head.
Δ (A − B): actual -5:48 · finish clock +0:12.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | William | Jinwoo | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:34 | 8:51 | -0:17 |
| Stairs to Windy Gap | 6:53 | 7:19 | -0:26 |
| Windy Gap to Muir Woods | 6:01 | 6:08 | -0:07 |
| Muir Woods to Cardiac | 29:41 | 32:15 | -2:34 |
| Cardiac to White Gate | 14:44 | 16:14 | -1:30 |
| White Gate to The Stile | 7:27 | 8:09 | -0:42 |
| The Stile to Finish | 2:12 | 2:24 | -0:12 |
Δ negative = William ran the segment faster.