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SF MARATHON 2025

David Kou

Bib: 3993โ€ขMโ€ขAge: 18

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 6545
Top 41%
Gender (Male)
#0 / 4641
Top 47%
M19 & Under
#0 / 122
Race Day Weather
56ยฐ/46ยฐF
overcast clouds

โฑ๏ธ Race Timeline

Start
0:00:00
Race begins
1.81 Miles
15:59
Rank: #2133
Start โ†’ 1.81 Miles
15:59 | 8:50/mi
5.55 Miles
49:35
Rank: #2230 (-97)
1.81 Miles โ†’ 5.55 Miles
33:36 | 8:59/mi
6.52 Miles
58:32
Rank: #2142 (+88)
5.55 Miles โ†’ 6.52 Miles
8:57 | 9:14/mi
10.87 Miles
1:37:20
Rank: #2092 (+50)
6.52 Miles โ†’ 10.87 Miles
38:48 | 8:55/mi
Garmin Hill Challengeยท 11.38 mi
1:43:10
Rank: #2119 (-27)
10.87 Miles โ†’ Garmin Hill Challenge
5:50 | 11:27/mi
14.95 Miles
2:13:14
Rank: #2250 (-131)
Garmin Hill Challenge โ†’ 14.95 Miles
30:04 | 8:25/mi
18 Miles
2:49:57
Rank: #2595 (-345)
14.95 Miles โ†’ 18 Miles
36:43 | 12:02/mi
25 Miles
4:07:05
Rank: #2809 (-214)
18 Miles โ†’ 25 Miles
1:17:08 | 11:01/mi
Finishยท 26.22 mi
4:17:31
Rank: #2673 (+136)
25 Miles โ†’ Finish
10:26 | 8:34/mi

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:44:0715:598:5015:59
8:50
-
5.55 Miles
5.55 mi06:17:4349:358:5633:36
8:59
+0:09
6.52 Miles
6.52 mi06:26:4058:328:598:57
9:14
+0:15
10.87 Miles
10.87 mi07:05:281:37:208:5738:48
8:55
-0:19
Garmin Hill Challenge
11.38 mi07:11:181:43:109:045:50
11:27
+2:32
14.95 Miles
14.95 mi07:41:222:13:148:5530:04
8:25
-3:02
18 Miles
18.00 mi08:18:052:49:579:2736:43
12:02
+3:37
25 Miles
25.00 mi09:35:134:07:059:531:17:08
11:01
-1:01
Finish
26.22 mi09:45:394:17:319:5010:26
8:34
-2:27

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

8:25 /mi

Average Pace

9:50 /mi

Slowest Pace

12:02 /mi

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Fastest
Middle
Slowest
Average

๐Ÿ“ŠSegments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:17:50

54% of race

Time at Slower Pace

1:59:41

46% of race

Average Pace: 9:49 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81 Miles
1.81 mi05:44:0715:598:5015:59
8:50
#2133
5.55 Miles
5.55 mi06:17:4349:358:5633:36
8:59
#2230
6.52 Miles
6.52 mi06:26:4058:328:598:57
9:14
#2142
10.87 Miles
10.87 mi07:05:281:37:208:5738:48
8:55
#2092
Garmin Hill Challenge
11.38 mi07:11:181:43:109:045:50
11:27
#2119
14.95 Miles
14.95 mi07:41:222:13:148:5530:04
8:25
#2250
18 Miles
18.00 mi08:18:052:49:579:2736:43
12:02
#2595
25 Miles
25.00 mi09:35:134:07:059:531:17:08
11:01
#2809
Finish
26.22 mi09:45:394:17:319:5010:26
8:34
#2673
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM19 & UnderSeg. OverallSeg. MalesSeg. M19 & Under
1.81 Miles1.81 mi1.81 mi21331801572133(Top 33%)1801(Top 39%)57(Top 47%)
5.55 Miles5.55 mi3.74 mi2230-971890-8958-12315(Top 35%)1959(Top 42%)57(Top 47%)
6.52 Miles6.52 mi0.97 mi2142+881817+7356+21894(Top 29%)1618(Top 35%)57(Top 47%)
10.87 Miles10.87 mi4.35 mi2092+501784+3358-22082(Top 32%)1767(Top 38%)55(Top 45%)
Garmin Hill Challenge11.38 mi0.51 mi2119-271812-28582616(Top 40%)2182(Top 47%)70(Top 57%)
14.95 Miles14.95 mi3.57 mi2250-1311907-9559-12620(Top 40%)2180(Top 47%)67(Top 55%)
18 Miles18.00 mi3.05 mi2595-3452152-24563-43996(Top 61%)3051(Top 66%)80(Top 66%)
25 Miles25.00 mi7.00 mi2809-2142271-11967-43481(Top 53%)2626(Top 57%)65(Top 53%)
Finish26.22 mi1.22 mi2673+1362170+10167859(Top 13%)745(Top 16%)32(Top 26%)

Segment Performance Analysis

Start โ†’ 1.81 Miles

0.0 - 1.8 mi

Top 33%
ร—1human
+6ft-10ft

Overall

2133

Males

1801

M15-19

56

1.81 Milesโ†’5.55 Miles

1.8 - 5.5 mi

Top 35%
ร—6stories
+97ft-86ft

Overall

2315

Males

1959

M15-19

56

5.55 Milesโ†’6.52 Miles

5.5 - 6.5 mi

Top 29%
ร—15stories
+178ft-5ft

Overall

1894

Males

1618

M15-19

55

6.52 Milesโ†’10.87 Miles

6.5 - 10.9 mi

Top 32%
ร—20stories
+201ft-318ft

Overall

2082

Males

1767

M15-19

53

10.87 Milesโ†’Garmin Hill Challenge

10.9 - 11.4 mi

Top 40%
ร—11stories
+134ft-79ft

Overall

2616

Males

2182

M15-19

68

Garmin Hill Challengeโ†’14.95 Miles

11.4 - 14.9 mi

Top 40%
ร—17stories
+251ft-225ft

Overall

2620

Males

2180

M15-19

65

14.95 Milesโ†’18 Miles

14.9 - 18.0 mi

Top 61%
ร—12stories
+165ft-60ft

Overall

3996

Males

3051

M15-19

78

18 Milesโ†’25 Miles

18.0 - 25.0 mi

Top 53%
ร—22stories
+142ft-378ft

Overall

3481

Males

2626

M15-19

64

25 Milesโ†’Finish

25.0 - 26.2 mi

Top 13%
~flat
+2ft-0ft

Overall

859

Males

745

M15-19

32

Passing Analysis

Category:
Athletes Passed
660*
Passed By
1200
Net Change
-540
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start โ†’ 1.81 Miles----#2133
1.81 Miles โ†’ 5.55 Miles126223-97#2133#2230
5.55 Miles โ†’ 6.52 Miles979+88#2230#2142
6.52 Miles โ†’ 10.87 Miles124*74+50#2142#2092
10.87 Miles โ†’ Garmin Hill Challenge2855-27#2092#2119
Garmin Hill Challenge โ†’ 14.95 Miles28159-131#2119#2250
14.95 Miles โ†’ 18 Miles24*369-345#2250#2595
18 Miles โ†’ 25 Miles97*311-214#2595#2809
25 Miles โ†’ Finish136*0+136#2809#2673
TOTALS660*1200-540

* 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