Nathaniel Calachan

Bib: 19165MAge: 41

Walnut Creek, CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 2674
Gender (Male)
#0 / 1409
Masters (Masters Men)
#0 / 422
Division (M40-44)
#0 / 132
Race Day Weather
57°/47°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2.95M
29:57
Rank: #1522
Start2.95M
29:57 | 10:09/mi
5M
51:45
Rank: #1507 (+15)
2.95M5M
21:48 | 10:38/mi
10.9M
1:54:26
Rank: #1547 (-40)
5M10.9M
1:02:41 | 10:37/mi
Finish· 13.11 mi
2:19:47
Rank: #1591 (-44)
10.9MFinish
25:21 | 11:29/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.95M
2.95 mi09:24:5929:5710:0929:57
10:09
-
5M
5.00 mi09:46:4751:4510:2121:48
10:38
+0:29
10.9M
10.90 mi10:49:281:54:2610:301:02:41
10:37
-0:01
Finish
13.11 mi11:14:492:19:4710:4025:21
11:29
+0:52

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:09 /mi

Average Pace

10:40 /mi

Slowest Pace

11:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:26

82% of race

Time at Steady Pace

25:21

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:40 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2.95M
2.95 mi09:24:5929:5710:0929:57
10:09
#1522
5M
5.00 mi09:46:4751:4510:2121:48
10:38
#1507
10.9M
10.90 mi10:49:281:54:2610:301:02:41
10:37
#1547
Finish
13.11 mi11:14:492:19:4710:4025:21
11:29
#1591
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2.95M2.95 mi2.95 mi1522976911522(Top 57%)976(Top 69%)91(Top 69%)
5M5.00 mi2.05 mi1507+15965+1190+11486(Top 56%)946(Top 67%)89(Top 67%)
10.9M10.90 mi5.90 mi1547-40967-2901586(Top 59%)969(Top 69%)87(Top 66%)
Finish13.11 mi2.21 mi1591-44977-1089+11778(Top 66%)1018(Top 72%)92(Top 70%)

Segment Performance Analysis

Start → 2.95M

0.0 - 3.0 mi

Top 57%
×12stories
+220ft-72ft

Overall

1522

Males

976

M40-44

92

2.95M→5M

3.0 - 5.0 mi

Top 56%
×7stories
+126ft-83ft

Overall

1486

Males

946

M40-44

90

5M→10.9M

5.0 - 10.9 mi

Top 59%
×21stories
+184ft-406ft

Overall

1586

Males

969

M40-44

87

10.9M→Finish

10.9 - 13.1 mi

Top 66%
×1human
+11ft-14ft

Overall

1778

Males

1018

M40-44

92

Passing Analysis

Category:
Athletes Passed
141*
Passed By
210
Net Change
-69
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.95M----#1522
2.95M5M63*48+15#1522#1507
5M10.9M57*97-40#1507#1547
10.9MFinish21*65-44#1547#1591
TOTALS141*210-69

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

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 Support
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon