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SF MARATHON 2025

John Demessemaeker

Bib: 5172โ€ขMโ€ขAge: 32

San Francisco, CA

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0:00
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Overall
#0 / 6545
Gender (Male)
#0 / 4641
Division (M30-34)
#0 / 933
Race Day Weather
56ยฐ/46ยฐF
overcast clouds

โฑ๏ธ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
1.81 Miles
18:20
Rank: #4534
Start โ†’ 1.81 Miles
18:20 | 10:08/mi
5.55 Miles
56:35
Rank: #4358 (+176)
1.81 Miles โ†’ 5.55 Miles
38:15 | 10:14/mi
6.52 Miles
1:07:13
Rank: #4348 (+10)
5.55 Miles โ†’ 6.52 Miles
10:38 | 10:58/mi
10.87 Miles
1:54:01
Rank: #4430 (-82)
6.52 Miles โ†’ 10.87 Miles
46:48 | 10:45/mi
Garmin Hill Challengeยท 11.38 mi
2:01:05
Rank: #4417 (+13)
10.87 Miles โ†’ Garmin Hill Challenge
7:04 | 13:52/mi
14.95 Miles
2:35:18
Rank: #4388 (+29)
Garmin Hill Challenge โ†’ 14.95 Miles
34:13 | 9:35/mi
18 Miles
3:10:46
Rank: #4167 (+221)
14.95 Miles โ†’ 18 Miles
35:28 | 11:38/mi
25 Miles
4:24:52
Rank: #3770 (+397)
18 Miles โ†’ 25 Miles
1:14:06 | 10:35/mi
Finishยท 26.22 mi
4:37:25
Rank: #3732 (+38)
25 Miles โ†’ Finish
12:33 | 10:18/mi

Course Map & Elevation

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:49:5118:2010:0818:20
10:08
-
5.55 Miles
5.55 mi06:28:0656:3510:1238:15
10:14
+0:06
6.52 Miles
6.52 mi06:38:441:07:1310:1910:38
10:58
+0:44
10.87 Miles
10.87 mi07:25:321:54:0110:2946:48
10:45
-0:13
Garmin Hill Challenge
11.38 mi07:32:362:01:0510:387:04
13:52
+3:07
14.95 Miles
14.95 mi08:06:492:35:1810:2334:13
9:35
-4:17
18 Miles
18.00 mi08:42:173:10:4610:3635:28
11:38
+2:03
25 Miles
25.00 mi09:56:234:24:5210:361:14:06
10:35
-1:03
Finish
26.22 mi10:08:564:37:2510:3512:33
10:18
-0:17

Checkpoints & Pacing

๐Ÿ“ˆPace 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

9:35 /mi

Average Pace

10:35 /mi

Slowest Pace

13:52 /mi

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Fastest
Middle
Slowest
Average

๐Ÿ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

34:13

12% of race

Time at Steady Pace

3:20:40

72% of race

Time at Slower Pace

42:32

15% of race

Average Pace: 10:35 /mi

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Faster pace (< avg)
Steady pace (โ‰ˆ avg)
Slower pace (> avg)

๐ŸŽจHeatmap

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

โœจSparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81 Miles
1.81 mi05:49:5118:2010:0818:20
10:08
#4534
5.55 Miles
5.55 mi06:28:0656:3510:1238:15
10:14
#4358
6.52 Miles
6.52 mi06:38:441:07:1310:1910:38
10:58
#4348
10.87 Miles
10.87 mi07:25:321:54:0110:2946:48
10:45
#4430
Garmin Hill Challenge
11.38 mi07:32:362:01:0510:387:04
13:52
#4417
14.95 Miles
14.95 mi08:06:492:35:1810:2334:13
9:35
#4388
18 Miles
18.00 mi08:42:173:10:4610:3635:28
11:38
#4167
25 Miles
25.00 mi09:56:234:24:5210:361:14:06
10:35
#3770
Finish
26.22 mi10:08:564:37:2510:3512:33
10:18
#3732
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81 Miles1.81 mi1.81 mi453434766784534(Top 69%)3476(Top 75%)678(Top 73%)
5.55 Miles5.55 mi3.74 mi4358+1763364+112671+74297(Top 66%)3331(Top 72%)668(Top 72%)
6.52 Miles6.52 mi0.97 mi4348+1033646714484(Top 69%)3454(Top 74%)693(Top 74%)
10.87 Miles10.87 mi4.35 mi4430-823419-55685-144608(Top 70%)3532(Top 76%)712(Top 76%)
Garmin Hill Challenge11.38 mi0.51 mi4417+133410+9684+14530(Top 69%)3461(Top 75%)701(Top 75%)
14.95 Miles14.95 mi3.57 mi4388+293386+24673+114302(Top 66%)3312(Top 71%)649(Top 70%)
18 Miles18.00 mi3.05 mi4167+2213237+149635+383519(Top 54%)2746(Top 59%)544(Top 58%)
25 Miles25.00 mi7.00 mi3770+3972922+315576+593024(Top 46%)2337(Top 50%)464(Top 50%)
Finish26.22 mi1.22 mi3732+382895+27574+22868(Top 44%)2204(Top 47%)436(Top 47%)

Segment Performance Analysis

Start โ†’ 1.81 Miles

0.0 - 1.8 mi

Top 69%
ร—1human
+6ft-10ft

Overall

4534

Males

3476

M30-34

683

1.81 Milesโ†’5.55 Miles

1.8 - 5.5 mi

Top 66%
ร—6stories
+97ft-86ft

Overall

4297

Males

3331

M30-34

670

5.55 Milesโ†’6.52 Miles

5.5 - 6.5 mi

Top 69%
ร—15stories
+178ft-5ft

Overall

4484

Males

3454

M30-34

696

6.52 Milesโ†’10.87 Miles

6.5 - 10.9 mi

Top 70%
ร—20stories
+201ft-318ft

Overall

4608

Males

3532

M30-34

714

10.87 Milesโ†’Garmin Hill Challenge

10.9 - 11.4 mi

Top 69%
ร—11stories
+134ft-79ft

Overall

4530

Males

3461

M30-34

702

Garmin Hill Challengeโ†’14.95 Miles

11.4 - 14.9 mi

Top 66%
ร—17stories
+251ft-225ft

Overall

4302

Males

3312

M30-34

651

14.95 Milesโ†’18 Miles

14.9 - 18.0 mi

Top 54%
ร—12stories
+165ft-60ft

Overall

3519

Males

2746

M30-34

544

18 Milesโ†’25 Miles

18.0 - 25.0 mi

Top 46%
ร—22stories
+142ft-378ft

Overall

3024

Males

2337

M30-34

464

25 Milesโ†’Finish

25.0 - 26.2 mi

Top 44%
~flat
+2ft-0ft

Overall

2868

Males

2204

M30-34

436

Passing Analysis

Category:
Athletes Passed
1280*
Passed By
478
Net Change
+802
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start โ†’ 1.81 Miles----#4534
1.81 Miles โ†’ 5.55 Miles281105+176#4534#4358
5.55 Miles โ†’ 6.52 Miles4737+10#4358#4348
6.52 Miles โ†’ 10.87 Miles92*174-82#4348#4430
10.87 Miles โ†’ Garmin Hill Challenge5037+13#4430#4417
Garmin Hill Challenge โ†’ 14.95 Miles84*55+29#4417#4388
14.95 Miles โ†’ 18 Miles241*20+221#4388#4167
18 Miles โ†’ 25 Miles430*33+397#4167#3770
25 Miles โ†’ Finish55*17+38#3770#3732
TOTALS1280*478+802

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

๐Ÿ“Š

Passing Visuals

Category:

๐Ÿ“ˆPosition Graph

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๐ŸŽจHeatmap Timeline

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๐Ÿ”„Passing Circle

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๐ŸŒŠPosition Flow

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๐ŸƒRace Lanes

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Public Race Data

The San Francisco Marathon

The San Francisco Marathon