Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSusan R Butler
#1190 · 1:49:55 · F54 · Group J · DR
Wave start 8:37 AM (J-DR)
Athlete B
OfficialAdam Laursen
#1186 · 1:36:26 · M40 · Group Y · DR
Wave start 8:50 AM (Y-DR)
Interpretation
Susan (J-DR) started at 8:37 AM; Adam (Y-DR) started at 8:50 AM. That gave Susan a 13 minutes head start on Adam. On foot, Susan ran 1:49:55 and Adam ran 1:36:26 — Adam was 13:29 faster than Susan. Susan took official place 1190th (time-based 1226th) and Adam took official place 1186th (time-based 1045th). Adam was faster on foot and finished ahead on the official clock too. Biggest swing: Adam gained 8:16 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Susan R Butler (J-DR) started 13 min earlier than Adam (Y-DR).
- Overall place Δ
- +4
- Actual time Δ
- +13:29
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 13 min (Susan earlier)
- Finish clock Δ
- +0:29
- Section place Δ
- -80
Δ = Susan − Adam. Negative means Susan is ahead/faster.
Race timeline
Computed- Susan (J-DR) started at 8:37 AM.
- Adam (Y-DR) started at 8:50 AM, 13:00 later.
- Actual running time: Adam was 13:29 faster on foot than Susan.
- Finish clock: Adam crossed the line 0:29 ahead of Susan — Adam wins this head-to-head.
Δ (A − B): actual +13:29 · finish clock +0:29.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Susan | Adam | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:32 | 10:13 | +2:19 |
| Stairs to Windy Gap | 10:14 | 7:37 | +2:37 |
| Windy Gap to Muir Woods | 9:00 | 10:39 | -1:39 |
| Muir Woods to Cardiac | 42:37 | 34:21 | +8:16 |
| Cardiac to White Gate | 22:39 | 20:48 | +1:51 |
| White Gate to The Stile | 9:56 | 9:46 | +0:10 |
| The Stile to Finish | 2:57 | 3:02 | -0:05 |
Δ negative = Susan ran the segment faster.