Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSarah Chao
#914 · 1:38:14 · F57 · Group G · DR
Wave start 8:35 AM (G-DR)
Athlete B
OfficialRobert Meng
#913 · 1:24:13 · M44 · Group X · DR
Wave start 8:49 AM (X-DR)
Interpretation
Sarah (G-DR) started at 8:35 AM; Robert (X-DR) started at 8:49 AM. That gave Sarah a 14 minutes head start on Robert. On foot, Sarah ran 1:38:14 and Robert ran 1:24:13 — Robert was 14:01 faster than Sarah. Sarah took official place 914th (time-based 1070th) and Robert took official place 913th (time-based 776th). Robert was faster on foot and finished ahead on the official clock too. Biggest swing: Robert gained 4:05 from Cardiac to White Gate.
Deltas
ComputedWave start
Sarah Chao (G-DR) started 14 min earlier than Robert (X-DR).
- Overall place Δ
- +1
- Actual time Δ
- +14:01
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 14 min (Sarah earlier)
- Finish clock Δ
- +0:01
- Section place Δ
- -15
Δ = Sarah − Robert. Negative means Sarah is ahead/faster.
Race timeline
Computed- Sarah (G-DR) started at 8:35 AM.
- Robert (X-DR) started at 8:49 AM, 14:00 later.
- Actual running time: Robert was 14:01 faster on foot than Sarah.
- Finish clock: Robert crossed the line 0:01 ahead of Sarah — Robert wins this head-to-head.
Δ (A − B): actual +14:01 · finish clock +0:01.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Sarah | Robert | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:09 | 9:35 | +1:34 |
| Stairs to Windy Gap | 8:45 | 7:34 | +1:11 |
| Windy Gap to Muir Woods | 8:23 | 6:59 | +1:24 |
| Muir Woods to Cardiac | 36:39 | 32:39 | +4:00 |
| Cardiac to White Gate | 21:00 | 16:55 | +4:05 |
| White Gate to The Stile | 9:32 | 8:32 | +1:00 |
| The Stile to Finish | 2:46 | 1:59 | +0:47 |
Δ negative = Sarah ran the segment faster.