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SF MARATHON 2025

Sandra Pec Son

Bib: 8487•F•Age: 23

Los Angeles, CA

0:00
0:00
/ mi
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Overall
#0 / 6545
Gender (Female)
#0 / 1878
F20-29
#0 / 279
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
1.81 Miles
17:24
Rank: #3594
Start → 1.81 Miles
17:24 | 9:37/mi
5.55 Miles
54:54
Rank: #3871 (-277)
1.81 Miles → 5.55 Miles
37:30 | 10:02/mi
6.52 Miles
1:06:02
Rank: #4105 (-234)
5.55 Miles → 6.52 Miles
11:08 | 11:29/mi
10.87 Miles
1:55:19
Rank: #4592 (-487)
6.52 Miles → 10.87 Miles
49:17 | 11:20/mi
Garmin Hill Challenge· 11.38 mi
2:04:52
Rank: #4847 (-255)
10.87 Miles → Garmin Hill Challenge
9:33 | 18:45/mi
14.95 Miles
2:41:28
Rank: #4947 (-100)
Garmin Hill Challenge → 14.95 Miles
36:36 | 10:15/mi
18 Miles
3:24:42
Rank: #5092 (-145)
14.95 Miles → 18 Miles
43:14 | 14:11/mi
25 Miles
4:44:43
Rank: #4691 (+401)
18 Miles → 25 Miles
1:20:01 | 11:26/mi
Finish· 26.22 mi
4:57:35
Rank: #4629 (+62)
25 Miles → Finish
12:52 | 10:34/mi
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:43:2017:249:3717:24
9:37
-
5.55 Miles
5.55 mi06:20:5054:549:5437:30
10:02
+0:25
6.52 Miles
6.52 mi06:31:581:06:0210:0811:08
11:29
+1:27
10.87 Miles
10.87 mi07:21:151:55:1910:3749:17
11:20
-0:09
Garmin Hill Challenge
11.38 mi07:30:482:04:5210:589:33
18:45
+7:25
14.95 Miles
14.95 mi08:07:242:41:2810:4836:36
10:15
-8:30
18 Miles
18.00 mi08:50:383:24:4211:2243:14
14:11
+3:56
25 Miles
25.00 mi10:10:394:44:4311:231:20:01
11:26
-2:45
Finish
26.22 mi10:23:314:57:3511:2112:52
10:34
-0:52

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

9:37 /mi

Average Pace

11:21 /mi

Slowest Pace

18:45 /mi

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Fastest
Middle
Slowest
Average

📊Segments

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

17:24

6% of race

Time at Steady Pace

3:47:24

76% of race

Time at Slower Pace

52:47

18% of race

Average Pace: 11:21 /mi

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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.

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

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 mi05:43:2017:249:3717:24
9:37
#3594
5.55 Miles
5.55 mi06:20:5054:549:5437:30
10:02
#3871
6.52 Miles
6.52 mi06:31:581:06:0210:0811:08
11:29
#4105
10.87 Miles
10.87 mi07:21:151:55:1910:3749:17
11:20
#4592
Garmin Hill Challenge
11.38 mi07:30:482:04:5210:589:33
18:45
#4847
14.95 Miles
14.95 mi08:07:242:41:2810:4836:36
10:15
#4947
18 Miles
18.00 mi08:50:383:24:4211:2243:14
14:11
#5092
25 Miles
25.00 mi10:10:394:44:4311:231:20:01
11:26
#4691
Finish
26.22 mi10:23:314:57:3511:2112:52
10:34
#4629
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.81 Miles1.81 mi1.81 mi35947101203594(Top 55%)710(Top 38%)120(Top 43%)
5.55 Miles5.55 mi3.74 mi3871-277810-100141-213995(Top 61%)849(Top 45%)146(Top 52%)
6.52 Miles6.52 mi0.97 mi4105-234887-77156-155123(Top 78%)1242(Top 66%)213(Top 76%)
10.87 Miles10.87 mi4.35 mi4592-4871049-162176-205289(Top 81%)1315(Top 70%)214(Top 77%)
Garmin Hill Challenge11.38 mi0.51 mi4847-2551139-90190-146348(Top 97%)1778(Top 95%)272(Top 97%)
14.95 Miles14.95 mi3.57 mi4947-1001179-40201-115021(Top 77%)1242(Top 66%)215(Top 77%)
18 Miles18.00 mi3.05 mi5092-1451253-74217-165855(Top 89%)1646(Top 88%)260(Top 93%)
25 Miles25.00 mi7.00 mi4691+4011159+94203+143901(Top 60%)977(Top 52%)172(Top 62%)
Finish26.22 mi1.22 mi4629+621142+17199+43176(Top 49%)749(Top 40%)136(Top 49%)

Segment Performance Analysis

Start → 1.81 Miles

0.0 - 1.8 mi

Top 55%
×1human
+6ft-10ft

Overall

3594

Females

710

F20-24

120

1.81 Miles→5.55 Miles

1.8 - 5.5 mi

Top 61%
×6stories
+97ft-86ft

Overall

3995

Females

849

F20-24

146

5.55 Miles→6.52 Miles

5.5 - 6.5 mi

Top 78%
×15stories
+178ft-5ft

Overall

5123

Females

1242

F20-24

213

6.52 Miles→10.87 Miles

6.5 - 10.9 mi

Top 81%
×20stories
+201ft-318ft

Overall

5289

Females

1315

F20-24

214

10.87 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 97%
×11stories
+134ft-79ft

Overall

6348

Females

1778

F20-24

272

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 77%
×17stories
+251ft-225ft

Overall

5021

Females

1242

F20-24

215

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 89%
×12stories
+165ft-60ft

Overall

5855

Females

1646

F20-24

260

18 Miles→25 Miles

18.0 - 25.0 mi

Top 60%
×22stories
+142ft-378ft

Overall

3901

Females

977

F20-24

172

25 Miles→Finish

25.0 - 26.2 mi

Top 49%
~flat
+2ft-0ft

Overall

3176

Females

749

F20-24

136

Passing Analysis

Category:
Athletes Passed
769*
Passed By
1804
Net Change
-1035
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81 Miles----#3594
1.81 Miles → 5.55 Miles123400-277#3594#3871
5.55 Miles → 6.52 Miles9243-234#3871#4105
6.52 Miles → 10.87 Miles26*513-487#4105#4592
10.87 Miles → Garmin Hill Challenge1256-255#4592#4847
Garmin Hill Challenge → 14.95 Miles53*153-100#4847#4947
14.95 Miles → 18 Miles55*200-145#4947#5092
18 Miles → 25 Miles437*36+401#5092#4691
25 Miles → Finish65*3+62#4691#4629
TOTALS769*1804-1035

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

The San Francisco Marathon

The San Francisco Marathon