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 Zukoski
#907 · 1:24:47 · M47 · Group W · DR
Wave start 8:48 AM (W-DR)
Athlete B
OfficialSarah Vreede
#902 · 1:33:36 · F49 · Group L · DR
Wave start 8:39 AM (L-DR)
Interpretation
Tom (W-DR) started at 8:48 AM; Sarah (L-DR) started at 8:39 AM. That gave Sarah a 9 minutes head start on Tom. On foot, Tom ran 1:24:47 and Sarah ran 1:33:36 — Tom was 8:49 faster than Sarah. Tom took official place 907th (time-based 786th) and Sarah took official place 902nd (time-based 976th). Sarah's head start was enough to flip the official order even though Tom was faster on foot. Biggest swing: Tom gained 2:18 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Sarah Vreede (L-DR) started 9 min earlier than Tom (W-DR).
- Overall place Δ
- +5
- Actual time Δ
- -8:49
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Sarah earlier)
- Finish clock Δ
- +0:11
- Section place Δ
- +10
Δ = Tom − Sarah. Negative means Tom is ahead/faster.
Race timeline
Computed- Sarah (L-DR) started at 8:39 AM.
- Tom (W-DR) started at 8:48 AM, 9:00 later.
- Actual running time: Tom was 8:49 faster on foot than Sarah.
- Finish clock: Sarah crossed the line 0:11 ahead of Tom — Sarah wins this head-to-head.
Δ (A − B): actual -8:49 · finish clock +0:11.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Tom | Sarah | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:27 | 11:07 | -1:40 |
| Stairs to Windy Gap | 7:25 | 8:38 | -1:13 |
| Windy Gap to Muir Woods | 7:28 | 8:49 | -1:21 |
| Muir Woods to Cardiac | 32:36 | 34:54 | -2:18 |
| Cardiac to White Gate | 17:28 | 18:40 | -1:12 |
| White Gate to The Stile | 8:12 | 8:59 | -0:47 |
| The Stile to Finish | 2:11 | 2:29 | -0:18 |
Δ negative = Tom ran the segment faster.