Jack Preston

Bib: 1839MAge: 30

San Francisco, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 5694
Top 18%
Gender (Male)
#0 / 4127
Top 22%
Division (M30-34)
#0 / 826
Top 23%
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81M
14:39
Rank: #966
Start1.81M
14:39 | 8:06/mi
6.52M
54:17
Rank: #1051 (-85)
1.81M6.52M
39:38 | 8:25/mi
10.89M
1:31:14
Rank: #1072 (-21)
6.52M10.89M
36:57 | 8:27/mi
Garmin Hill Challenge· 11.40 mi
1:35:49
Rank: #1060 (+12)
10.89MGarmin Hill Challenge
4:35 | 8:59/mi
14.95M
2:03:44
Rank: #1104 (-44)
Garmin Hill Challenge14.95M
27:55 | 7:52/mi
18M
2:32:38
Rank: #1076 (+28)
14.95M18M
28:54 | 9:29/mi
24.69M
3:34:08
Rank: #1074 (+2)
18M24.69M
1:01:30 | 9:12/mi
Finish· 26.22 mi
3:46:25
Rank: #1044 (+30)
24.69MFinish
12:17 | 8:02/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
1.81M
1.81 mi05:30:5314:398:0614:39
8:06
-
6.52M
6.52 mi06:10:3154:178:2039:38
8:25
+0:19
10.89M
10.89 mi06:47:281:31:148:2336:57
8:27
+0:02
Garmin Hill Challenge
11.40 mi06:52:031:35:498:244:35
8:59
+0:32
14.95M
14.95 mi07:19:582:03:448:1727:55
7:52
-1:07
18M
18.00 mi07:48:522:32:388:2928:54
9:29
+1:37
24.69M
24.69 mi08:50:223:34:088:401:01:30
9:12
-0:17
Finish
26.22 mi09:02:393:46:258:3912:17
8:02
-1:10

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

7:52 /mi

Average Pace

8:39 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:51

24% of race

Time at Steady Pace

1:16:35

34% of race

Time at Slower Pace

1:34:59

42% of race

Average Pace: 8:38 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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
1.81M
1.81 mi05:30:5314:398:0614:39
8:06
#966
6.52M
6.52 mi06:10:3154:178:2039:38
8:25
#1051
10.89M
10.89 mi06:47:281:31:148:2336:57
8:27
#1072
Garmin Hill Challenge
11.40 mi06:52:031:35:498:244:35
8:59
#1060
14.95M
14.95 mi07:19:582:03:448:1727:55
7:52
#1104
18M
18.00 mi07:48:522:32:388:2928:54
9:29
#1076
24.69M
24.69 mi08:50:223:34:088:401:01:30
9:12
#1074
Finish
26.22 mi09:02:393:46:258:3912:17
8:02
#1044
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81M1.81 mi1.81 mi966862178966(Top 17%)862(Top 21%)178(Top 22%)
6.52M6.52 mi4.71 mi1051-85937-75196-181114(Top 20%)988(Top 24%)205(Top 25%)
10.89M10.89 mi4.37 mi1072-21952-15192+41184(Top 21%)1044(Top 25%)216(Top 26%)
Garmin Hill Challenge11.40 mi0.51 mi1060+12943+9190+21047(Top 18%)927(Top 22%)193(Top 23%)
14.95M14.95 mi3.55 mi1104-44979-36197-71304(Top 23%)1147(Top 28%)241(Top 29%)
18M18.00 mi3.05 mi1076+28957+22194+31159(Top 20%)1013(Top 25%)216(Top 26%)
24.69M24.69 mi6.69 mi1074+2942+15195-11213(Top 21%)1029(Top 25%)214(Top 26%)
Finish26.22 mi1.53 mi1044+30913+29190+5788(Top 14%)666(Top 16%)138(Top 17%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 17%
×1human
+6ft-10ft

Overall

966

Males

862

M30-34

179

1.81M→6.52M

1.8 - 6.5 mi

Top 20%
×16stories
+275ft-93ft

Overall

1114

Males

988

M30-34

206

6.52M→10.89M

6.5 - 10.9 mi

Top 21%
×20stories
+201ft-318ft

Overall

1184

Males

1044

M30-34

217

10.89M→Garmin Hill Challenge

10.9 - 11.4 mi

Top 18%
×11stories
+134ft-79ft

Overall

1047

Males

927

M30-34

194

Garmin Hill Challenge→14.95M

11.4 - 14.9 mi

Top 23%
×17stories
+251ft-225ft

Overall

1304

Males

1147

M30-34

242

14.95M→18M

14.9 - 18.0 mi

Top 20%
×12stories
+165ft-60ft

Overall

1159

Males

1013

M30-34

217

18M→24.69M

18.0 - 24.7 mi

Top 21%
×22stories
+142ft-377ft

Overall

1213

Males

1029

M30-34

214

24.69M→Finish

24.7 - 26.2 mi

Top 14%
~flat
+2ft-2ft

Overall

788

Males

666

M30-34

138

Passing Analysis

Category:
Athletes Passed
315*
Passed By
393
Net Change
-78
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#966
1.81M6.52M46*131-85#966#1051
6.52M10.89M3152-21#1051#1072
10.89MGarmin Hill Challenge3119+12#1072#1060
Garmin Hill Challenge14.95M1963-44#1060#1104
14.95M18M5729+28#1104#1076
18M24.69M90*88+2#1076#1074
24.69MFinish41*11+30#1074#1044
TOTALS315*393-78

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

📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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

Race Place Events

Race Place Events