Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialKaren G Poppy
#1255 · 1:54:49 · F50 · Group L · DR
Wave start 8:39 AM (L-DR)
Athlete B
OfficialDavid A Greenblat
#1252 · 1:58:23 · M67 · Group G · DR
Wave start 8:35 AM (G-DR)
Interpretation
Karen (L-DR) started at 8:39 AM; David (G-DR) started at 8:35 AM. That gave David a 4 minutes head start on Karen. On foot, Karen ran 1:54:49 and David ran 1:58:23 — Karen was 3:34 faster than David. Karen took official place 1255th (time-based 1258th) and David took official place 1252nd (time-based 1281st). David's head start was enough to flip the official order even though Karen was faster on foot. Biggest swing: Karen gained 1:39 from White Gate to The Stile.
Deltas
ComputedWave start
David A Greenblat (G-DR) started 4 min earlier than Karen (L-DR).
- Overall place Δ
- +3
- Actual time Δ
- -3:34
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (David earlier)
- Finish clock Δ
- +0:26
- Section place Δ
- +25
Δ = Karen − David. Negative means Karen is ahead/faster.
Race timeline
Computed- David (G-DR) started at 8:35 AM.
- Karen (L-DR) started at 8:39 AM, 4:00 later.
- Actual running time: Karen was 3:34 faster on foot than David.
- Finish clock: David crossed the line 0:26 ahead of Karen — David wins this head-to-head.
Δ (A − B): actual -3:34 · finish clock +0:26.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Karen | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:47 | 11:44 | +1:03 |
| Stairs to Windy Gap | 9:43 | 9:29 | +0:14 |
| Windy Gap to Muir Woods | 8:56 | 9:07 | -0:11 |
| Muir Woods to Cardiac | 44:34 | 45:17 | -0:43 |
| Cardiac to White Gate | 24:08 | 25:24 | -1:16 |
| White Gate to The Stile | 11:54 | 13:33 | -1:39 |
| The Stile to Finish | 2:47 | 3:49 | -1:02 |
Δ negative = Karen ran the segment faster.