Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialBritt Ryan
#800 · 1:31:31 · F53 · Group J · DR
Wave start 8:37 AM (J-DR)
Athlete B
OfficialEric Tannenwald
#797 · 1:26:15 · M58 · Group P · DR
Wave start 8:42 AM (P-DR)
Interpretation
Britt (J-DR) started at 8:37 AM; Eric (P-DR) started at 8:42 AM. That gave Britt a 5 minutes head start on Eric. On foot, Britt ran 1:31:31 and Eric ran 1:26:15 — Eric was 5:16 faster than Britt. Britt took official place 800th (time-based 936th) and Eric took official place 797th (time-based 818th). Eric was faster on foot and finished ahead on the official clock too. Biggest swing: Eric gained 4:10 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Britt Ryan (J-DR) started 5 min earlier than Eric (P-DR).
- Overall place Δ
- +3
- Actual time Δ
- +5:16
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Britt earlier)
- Finish clock Δ
- +0:16
- Section place Δ
- -21
Δ = Britt − Eric. Negative means Britt is ahead/faster.
Race timeline
Computed- Britt (J-DR) started at 8:37 AM.
- Eric (P-DR) started at 8:42 AM, 5:00 later.
- Actual running time: Eric was 5:16 faster on foot than Britt.
- Finish clock: Eric crossed the line 0:16 ahead of Britt — Eric wins this head-to-head.
Δ (A − B): actual +5:16 · finish clock +0:16.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Britt | Eric | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:36 | 10:37 | -0:01 |
| Stairs to Windy Gap | 8:11 | 7:00 | +1:11 |
| Windy Gap to Muir Woods | 7:18 | 7:30 | -0:12 |
| Muir Woods to Cardiac | 35:30 | 31:20 | +4:10 |
| Cardiac to White Gate | 18:14 | 17:46 | +0:28 |
| White Gate to The Stile | 9:07 | 9:41 | -0:34 |
| The Stile to Finish | 2:35 | 2:21 | +0:14 |
Δ negative = Britt ran the segment faster.