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
OfficialJulia R Maxwell Bailey
#3 · 57:02 · F30 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Interpretation
Ivy (N-DR) started at 8:41 AM; Julia (Q-INV) started at 8:16 AM. That gave Julia a 25 minutes head start on Ivy because the Runner wave starts 27 minutes after the Invitational wave. On foot, Ivy ran 1:59:15 and Julia ran 57:02 — Julia was 1:02:13 faster than Ivy. Ivy took official place 1291st (time-based 1284th) and Julia took official place 3rd (time-based 32nd). Julia was faster on foot and finished ahead on the official clock too. Biggest swing: Julia gained 23:12 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Julia R Maxwell Bailey (Q-INV) started 25 min earlier than Ivy (N-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +1288
- Actual time Δ
- +1:02:13
- Section gap Δ
- 27 min (Julia earlier)
- Wave start Δ
- 25 min (Julia earlier)
- Finish clock Δ
- +1:27:13
- Section place Δ
- —
Δ = Ivy − Julia. Negative means Ivy is ahead/faster.
Race timeline
Computed- Julia (Q-INV) started at 8:16 AM.
- Ivy (N-DR) started at 8:41 AM, 25:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Julia was 1:02:13 faster on foot than Ivy.
- Finish clock: Julia crossed the line 1:27:13 ahead of Ivy — Julia wins this head-to-head.
Δ (A − B): actual +1:02:13 · finish clock +1:27:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Ivy | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:24 | 6:46 | +5:38 |
| Stairs to Windy Gap | 9:59 | 5:03 | +4:56 |
| Windy Gap to Muir Woods | 10:57 | 5:20 | +5:37 |
| Muir Woods to Cardiac | 43:38 | 20:26 | +23:12 |
| Cardiac to White Gate | 27:49 | 11:52 | +15:57 |
| White Gate to The Stile | 11:38 | 5:54 | +5:44 |
| The Stile to Finish | 2:50 | 1:41 | +1:09 |
Δ negative = Ivy ran the segment faster.