Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIvy Chen
#1291 · 1:59:15 · F44 · Group N · DR
Wave start 8:41 AM (N-DR)
Athlete B
OfficialCathleen J Staehli
#1286 · 2:12:42 · F76 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Interpretation
Ivy (N-DR) started at 8:41 AM; Cathleen (AAA-DR) started at 8:27 AM. That gave Cathleen a 14 minutes head start on Ivy. On foot, Ivy ran 1:59:15 and Cathleen ran 2:12:42 — Ivy was 13:27 faster than Cathleen. Ivy took official place 1291st (time-based 1284th) and Cathleen took official place 1286th (time-based 1339th). Cathleen's head start was enough to flip the official order even though Ivy was faster on foot. Biggest swing: Ivy gained 2:36 from Top of Stairs to Windy Gap.
Deltas
ComputedWave start
Cathleen J Staehli (AAA-DR) started 14 min earlier than Ivy (N-DR).
- Overall place Δ
- +5
- Actual time Δ
- -13:27
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 14 min (Cathleen earlier)
- Finish clock Δ
- +0:33
- Section place Δ
- +22
Δ = Ivy − Cathleen. Negative means Ivy is ahead/faster.
Race timeline
Computed- Cathleen (AAA-DR) started at 8:27 AM.
- Ivy (N-DR) started at 8:41 AM, 14:00 later.
- Actual running time: Ivy was 13:27 faster on foot than Cathleen.
- Finish clock: Cathleen crossed the line 0:33 ahead of Ivy — Cathleen wins this head-to-head.
Δ (A − B): actual -13:27 · finish clock +0:33.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Ivy | Cathleen | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:24 | 15:26 | -3:02 |
| Stairs to Windy Gap | 9:59 | 12:35 | -2:36 |
| Windy Gap to Muir Woods | 10:57 | 12:35 | -1:38 |
| Muir Woods to Cardiac | 43:38 | 45:00 | -1:22 |
| Cardiac to White Gate | 27:49 | 29:56 | -2:07 |
| White Gate to The Stile | 11:38 | 14:02 | -2:24 |
| The Stile to Finish | 2:50 | 3:08 | -0:18 |
Δ negative = Ivy ran the segment faster.