Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJohn Aitchison
#710 · 1:13:27 · M31 · Group Z · DR
Wave start 8:51 AM (Z-DR)
Athlete B
OfficialBen G Partee
#706 · 1:12:18 · M24 · Group SCR · DR
Wave start 8:52 AM (SCR-DR)
Interpretation
John (Z-DR) started at 8:51 AM; Ben (SCR-DR) started at 8:52 AM. That gave John a 1 minute head start on Ben. On foot, John ran 1:13:27 and Ben ran 1:12:18 — Ben was 1:09 faster than John. John took official place 710th (time-based 435th) and Ben took official place 706th (time-based 400th). Ben was faster on foot and finished ahead on the official clock too. Biggest swing: Ben gained 0:31 from Windy Gap to Muir Woods.
Deltas
ComputedWave start
John Aitchison (Z-DR) started 1 min earlier than Ben (SCR-DR).
- Overall place Δ
- +4
- Actual time Δ
- +1:09
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (John earlier)
- Finish clock Δ
- +0:09
- Section place Δ
- +13
Δ = John − Ben. Negative means John is ahead/faster.
Race timeline
Computed- John (Z-DR) started at 8:51 AM.
- Ben (SCR-DR) started at 8:52 AM, 1:00 later.
- Actual running time: Ben was 1:09 faster on foot than John.
- Finish clock: Ben crossed the line 0:09 ahead of John — Ben wins this head-to-head.
Δ (A − B): actual +1:09 · finish clock +0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | John | Ben | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:35 | 9:04 | -0:29 |
| Stairs to Windy Gap | 6:32 | 6:14 | +0:18 |
| Windy Gap to Muir Woods | 6:41 | 6:10 | +0:31 |
| Muir Woods to Cardiac | 27:05 | 27:16 | -0:11 |
| Cardiac to White Gate | 14:56 | 14:33 | +0:23 |
| White Gate to The Stile | 7:29 | 7:06 | +0:23 |
| The Stile to Finish | 2:09 | 1:55 | +0:14 |
Δ negative = John ran the segment faster.