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
OfficialPaul Coogan
#867 · 1:28:03 · M11 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Interpretation
Mary (L-DR) started at 8:39 AM; Paul (Q-DR) started at 8:43 AM. That gave Mary a 4 minutes head start on Paul. On foot, Mary ran 1:32:11 and Paul ran 1:28:03 — Paul was 4:08 faster than Mary. Mary took official place 871st (time-based 948th) and Paul took official place 867th (time-based 866th). Paul was faster on foot and finished ahead on the official clock too. Biggest swing: Paul gained 2:12 from Cardiac to White Gate.
Deltas
ComputedWave start
Mary Ludlam (L-DR) started 4 min earlier than Paul (Q-DR).
- Overall place Δ
- +4
- Actual time Δ
- +4:08
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Mary earlier)
- Finish clock Δ
- +0:08
- Section place Δ
- -30
Δ = Mary − Paul. Negative means Mary is ahead/faster.
Race timeline
Computed- Mary (L-DR) started at 8:39 AM.
- Paul (Q-DR) started at 8:43 AM, 4:00 later.
- Actual running time: Paul was 4:08 faster on foot than Mary.
- Finish clock: Paul crossed the line 0:08 ahead of Mary — Paul wins this head-to-head.
Δ (A − B): actual +4:08 · finish clock +0:08.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mary | Paul | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:18 | 10:05 | +0:13 |
| Stairs to Windy Gap | 7:43 | 8:04 | -0:21 |
| Windy Gap to Muir Woods | 6:53 | 7:33 | -0:40 |
| Muir Woods to Cardiac | 34:19 | 32:53 | +1:26 |
| Cardiac to White Gate | 20:45 | 18:33 | +2:12 |
| White Gate to The Stile | 9:18 | 8:33 | +0:45 |
| The Stile to Finish | 2:55 | 2:22 | +0:33 |
Δ negative = Mary ran the segment faster.