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
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Interpretation
Ivy (N-DR) started at 8:41 AM; Edward (Z-INV) started at 8:24 AM. That gave Edward a 17 minutes head start on Ivy because the Runner wave starts 27 minutes after the Invitational wave. On foot, Ivy ran 1:59:15 and Edward ran 48:29 — Edward was 1:10:46 faster than Ivy. Ivy took official place 1291st (time-based 1284th) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 25:46 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Edward R Owens (Z-INV) started 17 min earlier than Ivy (N-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +1289
- Actual time Δ
- +1:10:46
- Section gap Δ
- 27 min (Edward earlier)
- Wave start Δ
- 17 min (Edward earlier)
- Finish clock Δ
- +1:27:46
- Section place Δ
- —
Δ = Ivy − Edward. Negative means Ivy is ahead/faster.
Race timeline
Computed- Edward (Z-INV) started at 8:24 AM.
- Ivy (N-DR) started at 8:41 AM, 17:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Edward was 1:10:46 faster on foot than Ivy.
- Finish clock: Edward crossed the line 1:27:46 ahead of Ivy — Edward wins this head-to-head.
Δ (A − B): actual +1:10:46 · finish clock +1:27:46.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Ivy | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:24 | 5:48 | +6:36 |
| Stairs to Windy Gap | 9:59 | 4:17 | +5:42 |
| Windy Gap to Muir Woods | 10:57 | 4:16 | +6:41 |
| Muir Woods to Cardiac | 43:38 | 17:52 | +25:46 |
| Cardiac to White Gate | 27:49 | 9:40 | +18:09 |
| White Gate to The Stile | 11:38 | 5:03 | +6:35 |
| The Stile to Finish | 2:50 | 1:33 | +1:17 |
Δ negative = Ivy ran the segment faster.