Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDavid Rosenfeld
#1293 · 2:13:32 · M74 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Athlete B
OfficialJulia R Maxwell Bailey
#3 · 57:02 · F30 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Interpretation
David (AAA-DR) started at 8:27 AM; Julia (Q-INV) started at 8:16 AM. That gave Julia a 11 minutes head start on David because the Runner wave starts 27 minutes after the Invitational wave. On foot, David ran 2:13:32 and Julia ran 57:02 — Julia was 1:16:30 faster than David. David took official place 1293rd (time-based 1340th) 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 33:18 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Julia R Maxwell Bailey (Q-INV) started 11 min earlier than David (AAA-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +1290
- Actual time Δ
- +1:16:30
- Section gap Δ
- 27 min (Julia earlier)
- Wave start Δ
- 11 min (Julia earlier)
- Finish clock Δ
- +1:27:30
- Section place Δ
- —
Δ = David − Julia. Negative means David is ahead/faster.
Race timeline
Computed- Julia (Q-INV) started at 8:16 AM.
- David (AAA-DR) started at 8:27 AM, 11:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Julia was 1:16:30 faster on foot than David.
- Finish clock: Julia crossed the line 1:27:30 ahead of David — Julia wins this head-to-head.
Δ (A − B): actual +1:16:30 · finish clock +1:27:30.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 14:31 | 6:46 | +7:45 |
| Stairs to Windy Gap | 12:24 | 5:03 | +7:21 |
| Windy Gap to Muir Woods | 9:11 | 5:20 | +3:51 |
| Muir Woods to Cardiac | 53:44 | 20:26 | +33:18 |
| Cardiac to White Gate | 26:02 | 11:52 | +14:10 |
| White Gate to The Stile | 14:07 | 5:54 | +8:13 |
| The Stile to Finish | 3:33 | 1:41 | +1:52 |
Δ negative = David ran the segment faster.