Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDavid Rosenfeld
#1293 · 2:13:32 · M74 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Athlete B
OfficialKenedy Singer
#1289 · 2:02:01 · M64 · Group K · DR
Wave start 8:38 AM (K-DR)
Interpretation
David (AAA-DR) started at 8:27 AM; Kenedy (K-DR) started at 8:38 AM. That gave David a 11 minutes head start on Kenedy. On foot, David ran 2:13:32 and Kenedy ran 2:02:01 — Kenedy was 11:31 faster than David. David took official place 1293rd (time-based 1340th) and Kenedy took official place 1289th (time-based 1298th). Kenedy was faster on foot and finished ahead on the official clock too. Biggest swing: Kenedy gained 8:37 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David Rosenfeld (AAA-DR) started 11 min earlier than Kenedy (K-DR).
- Overall place Δ
- +4
- Actual time Δ
- +11:31
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 11 min (David earlier)
- Finish clock Δ
- +0:31
- Section place Δ
- -3
Δ = David − Kenedy. Negative means David is ahead/faster.
Race timeline
Computed- David (AAA-DR) started at 8:27 AM.
- Kenedy (K-DR) started at 8:38 AM, 11:00 later.
- Actual running time: Kenedy was 11:31 faster on foot than David.
- Finish clock: Kenedy crossed the line 0:31 ahead of David — Kenedy wins this head-to-head.
Δ (A − B): actual +11:31 · finish clock +0:31.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | Kenedy | Δ |
|---|---|---|---|
| Start to Top of Stairs | 14:31 | 12:19 | +2:12 |
| Stairs to Windy Gap | 12:24 | 9:51 | +2:33 |
| Windy Gap to Muir Woods | 9:11 | 10:23 | -1:12 |
| Muir Woods to Cardiac | 53:44 | 45:07 | +8:37 |
| Cardiac to White Gate | 26:02 | 27:45 | -1:43 |
| White Gate to The Stile | 14:07 | 13:12 | +0:55 |
| The Stile to Finish | 3:33 | 3:24 | +0:09 |
Δ negative = David ran the segment faster.