Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialRobert Meng
#913 · 1:24:13 · M44 · Group X · DR
Wave start 8:49 AM (X-DR)
Athlete B
OfficialSarah Chao
#914 · 1:38:14 · F57 · Group G · DR
Wave start 8:35 AM (G-DR)
Interpretation
Robert (X-DR) started at 8:49 AM; Sarah (G-DR) started at 8:35 AM. That gave Sarah a 14 minutes head start on Robert. On foot, Robert ran 1:24:13 and Sarah ran 1:38:14 — Robert was 14:01 faster than Sarah. Robert took official place 913th (time-based 776th) and Sarah took official place 914th (time-based 1070th). 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 = Robert − Sarah. Negative means Robert 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 | Robert | Sarah | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:35 | 11:09 | -1:34 |
| Stairs to Windy Gap | 7:34 | 8:45 | -1:11 |
| Windy Gap to Muir Woods | 6:59 | 8:23 | -1:24 |
| Muir Woods to Cardiac | 32:39 | 36:39 | -4:00 |
| Cardiac to White Gate | 16:55 | 21:00 | -4:05 |
| White Gate to The Stile | 8:32 | 9:32 | -1:00 |
| The Stile to Finish | 1:59 | 2:46 | -0:47 |
Δ negative = Robert ran the segment faster.