Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMargaret E Bourne
#1301 · 2:06:33 · F56 · Group G · DR
Wave start 8:35 AM (G-DR)
Athlete B
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Interpretation
Margaret (G-DR) started at 8:35 AM; Edward (Z-INV) started at 8:24 AM. That gave Edward a 11 minutes head start on Margaret because the Runner wave starts 27 minutes after the Invitational wave. On foot, Margaret ran 2:06:33 and Edward ran 48:29 — Edward was 1:18:04 faster than Margaret. Margaret took official place 1301st (time-based 1316th) 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 22:54 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Edward R Owens (Z-INV) started 11 min earlier than Margaret (G-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +1299
- Actual time Δ
- +1:18:04
- Section gap Δ
- 27 min (Edward earlier)
- Wave start Δ
- 11 min (Edward earlier)
- Finish clock Δ
- +1:29:04
- Section place Δ
- —
Δ = Margaret − Edward. Negative means Margaret is ahead/faster.
Race timeline
Computed- Edward (Z-INV) started at 8:24 AM.
- Margaret (G-DR) started at 8:35 AM, 11:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Edward was 1:18:04 faster on foot than Margaret.
- Finish clock: Edward crossed the line 1:29:04 ahead of Margaret — Edward wins this head-to-head.
Δ (A − B): actual +1:18:04 · finish clock +1:29:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Margaret | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:00 | 5:48 | +6:12 |
| Stairs to Windy Gap | 9:55 | 4:17 | +5:38 |
| Windy Gap to Muir Woods | 13:21 | 4:16 | +9:05 |
| Muir Woods to Cardiac | 40:46 | 17:52 | +22:54 |
| Cardiac to White Gate | 31:55 | 9:40 | +22:15 |
| White Gate to The Stile | 14:44 | 5:03 | +9:41 |
| The Stile to Finish | 3:52 | 1:33 | +2:19 |
Δ negative = Margaret ran the segment faster.