Nathan Southam
Castle Rock, CO
Bib: 340 M 52
Race Timeline
The Course
Half Splits
Your race, unpacked
See your splits, ranks & AI insights.
Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
6.55 Miles | 58:58 | 9:01 | 6.55 mi | 58:58 | 9:01 | - | |
HALF(13.11 mi) | 2:01:21 | 9:16 | 6.56 mi | 1:02:23 | 9:31 | +0:30 | |
22.25 Miles | 3:50:23 | 10:22 | 9.14 mi | 1:49:02 | 11:56 | +2:25 | |
24.15 Mile | 4:15:37 | 10:36 | 1.90 mi | 25:14 | 13:17 | +1:21 | |
FINISH(26.22 mi) | 4:43:43 | 10:50 | 2.07 mi | 28:05 | 13:35 | +0:18 |
Checkpoints & Pacing
Pace Line
Fastest Pace
9:01 /mi
Average Pace
10:50 /mi
Slowest Pace
13:35 /mi
Segments
Time at Faster Pace
2:01:21
43% of race
Time at Steady Pace
1:49:02
38% of race
Time at Slower Pace
53:19
19% of race
Average Pace: 10:49 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M50-54 | Seg. Overall | Seg. Males | Seg. M50-54 |
|---|---|---|---|---|---|---|---|---|
| 6.55 Miles | 6.55 mi | 6.55 mi | 65 | 55 | 2 | 65 | 55 | 2 |
| HALF | 13.11 mi | 6.56 mi | 73-8 | 62-7 | 3-1 | 88 | 73 | 5 |
| 22.25 Miles | 22.25 mi | 9.14 mi | 98-25 | 76-14 | 5-2 | 152 | 100 | 7 |
| 24.15 Mile | 24.15 mi | 1.90 mi | 112-14 | 82-6 | 5 | 192 | 122 | 8 |
| FINISH | 26.22 mi | 2.07 mi | 130-18 | 96-14 | 6-1 | 248 | 158 | 9 |
Segment Performance Analysis
Start → 6.55 Miles
0.0 - 6.5 mi
Overall
65
Males
55
M50-54
2
6.55 Miles→HALF
6.5 - 13.1 mi
Overall
88
Males
73
M50-54
5
HALF→22.25 Miles
13.1 - 22.3 mi
Overall
152
Males
100
M50-54
7
22.25 Miles→24.15 Mile
22.3 - 24.1 mi
Overall
192
Males
122
M50-54
8
24.15 Mile→FINISH
24.1 - 26.2 mi
Overall
248
Males
158
M50-54
9
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 6.55 Miles | - | - | - | - | #65 |
| 6.55 Miles → HALF | 4 | 12 | -8 | #65 | #73 |
| HALF → 22.25 Miles | 4 | 29 | -25 | #73 | #98 |
| 22.25 Miles → 24.15 Mile | 1 | 15 | -14 | #98 | #112 |
| 24.15 Mile → FINISH | 0 | 18 | -18 | #112 | #130 |
| TOTALS | 9 | 74 | -65 |
Passing Charts
Passing Circle
Position Flow
Race Lanes
Boston Qualifying analysis available
NYC Marathon Qualifying analysis available
Your certificate is generated on-demand and can be shared on social media or saved for your records
Upload your GPX file
Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps
.gpx files up to 10MB
Export Track Data
Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.
Questions or issues regarding timing data?
If you notice any discrepancies in your timing data or have questions about your results, our support team can help.
Contact Race SupportQuick Links
Find another athlete or browse the full results