Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialEric Tannenwald
#797 · 1:26:15 · M58 · Group P · DR
Wave start 8:42 AM (P-DR)
Athlete B
OfficialRoger Booth
#798 · 1:27:24 · M60 · Group N · DR
Wave start 8:41 AM (N-DR)
Interpretation
Eric (P-DR) started at 8:42 AM; Roger (N-DR) started at 8:41 AM. That gave Roger a 1 minute head start on Eric. On foot, Eric ran 1:26:15 and Roger ran 1:27:24 — Eric was 1:09 faster than Roger. Eric took official place 797th (time-based 818th) and Roger took official place 798th (time-based 848th). Eric was faster on foot and finished ahead on the official clock too. Biggest swing: Eric gained 2:58 from Cardiac to White Gate.
Deltas
ComputedWave start
Roger Booth (N-DR) started 1 min earlier than Eric (P-DR).
- Overall place Δ
- -1
- Actual time Δ
- -1:09
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Roger earlier)
- Finish clock Δ
- -0:09
- Section place Δ
- +9
Δ = Eric − Roger. Negative means Eric is ahead/faster.
Race timeline
Computed- Roger (N-DR) started at 8:41 AM.
- Eric (P-DR) started at 8:42 AM, 1:00 later.
- Actual running time: Eric was 1:09 faster on foot than Roger.
- Finish clock: Eric crossed the line 0:09 ahead of Roger — Eric 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 | Eric | Roger | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:37 | 9:32 | +1:05 |
| Stairs to Windy Gap | 7:00 | 7:02 | -0:02 |
| Windy Gap to Muir Woods | 7:30 | 8:39 | -1:09 |
| Muir Woods to Cardiac | 31:20 | 29:53 | +1:27 |
| Cardiac to White Gate | 17:46 | 20:44 | -2:58 |
| White Gate to The Stile | 9:41 | 9:04 | +0:37 |
| The Stile to Finish | 2:21 | 2:30 | -0:09 |
Δ negative = Eric ran the segment faster.