Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMary Ludlam
#871 · 1:32:11 · F51 · Group L · DR
Wave start 8:39 AM (L-DR)
Athlete B
OfficialJulia R Maxwell Bailey
#3 · 57:02 · F30 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Interpretation
Mary (L-DR) started at 8:39 AM; Julia (Q-INV) started at 8:16 AM. That gave Julia a 23 minutes head start on Mary because the Runner wave starts 27 minutes after the Invitational wave. On foot, Mary ran 1:32:11 and Julia ran 57:02 — Julia was 35:09 faster than Mary. Mary took official place 871st (time-based 948th) 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 13:53 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Julia R Maxwell Bailey (Q-INV) started 23 min earlier than Mary (L-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +868
- Actual time Δ
- +35:09
- Section gap Δ
- 27 min (Julia earlier)
- Wave start Δ
- 23 min (Julia earlier)
- Finish clock Δ
- +58:09
- Section place Δ
- —
Δ = Mary − Julia. Negative means Mary is ahead/faster.
Race timeline
Computed- Julia (Q-INV) started at 8:16 AM.
- Mary (L-DR) started at 8:39 AM, 23:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Julia was 35:09 faster on foot than Mary.
- Finish clock: Julia crossed the line 58:09 ahead of Mary — Julia wins this head-to-head.
Δ (A − B): actual +35:09 · finish clock +58:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mary | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:18 | 6:46 | +3:32 |
| Stairs to Windy Gap | 7:43 | 5:03 | +2:40 |
| Windy Gap to Muir Woods | 6:53 | 5:20 | +1:33 |
| Muir Woods to Cardiac | 34:19 | 20:26 | +13:53 |
| Cardiac to White Gate | 20:45 | 11:52 | +8:53 |
| White Gate to The Stile | 9:18 | 5:54 | +3:24 |
| The Stile to Finish | 2:55 | 1:41 | +1:14 |
Δ negative = Mary ran the segment faster.