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
OfficialChristopher Gathright
#870 · 1:22:11 · M44 · Group X · DR
Wave start 8:49 AM (X-DR)
Interpretation
Mary (L-DR) started at 8:39 AM; Christopher (X-DR) started at 8:49 AM. That gave Mary a 10 minutes head start on Christopher. On foot, Mary ran 1:32:11 and Christopher ran 1:22:11 — Christopher was 10:00 faster than Mary. Mary took official place 871st (time-based 948th) and Christopher took official place 870th (time-based 712th). Christopher was faster on foot and finished ahead on the official clock too. Biggest swing: Christopher gained 3:49 from Cardiac to White Gate.
Deltas
ComputedWave start
Mary Ludlam (L-DR) started 10 min earlier than Christopher (X-DR).
- Overall place Δ
- +1
- Actual time Δ
- +10:00
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Mary earlier)
- Finish clock Δ
- ±0:00
- Section place Δ
- -6
Δ = Mary − Christopher. Negative means Mary is ahead/faster.
Race timeline
Computed- Mary (L-DR) started at 8:39 AM.
- Christopher (X-DR) started at 8:49 AM, 10:00 later.
- Actual running time: Christopher was 10:00 faster on foot than Mary.
- They crossed the finish line at the same clock time.
Δ (A − B): actual +10:00 · finish clock ±0:00.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mary | Christopher | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:18 | 9:46 | +0:32 |
| Stairs to Windy Gap | 7:43 | 7:09 | +0:34 |
| Windy Gap to Muir Woods | 6:53 | 7:29 | -0:36 |
| Muir Woods to Cardiac | 34:19 | 30:54 | +3:25 |
| Cardiac to White Gate | 20:45 | 16:56 | +3:49 |
| White Gate to The Stile | 9:18 | 7:54 | +1:24 |
| The Stile to Finish | 2:55 | 2:03 | +0:52 |
Δ negative = Mary ran the segment faster.