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SF MARATHON 2025

Shelby Thomas

Bib: 4179•F•Age: 29

Stockton, CA

0:00
0:00
/ mi
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Overall
#0 / 6545
Gender (Female)
#0 / 1878
Top 44%
Division (F25-29)
#0 / 504
Top 46%
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81 Miles
19:08
Rank: #5166
Start → 1.81 Miles
19:08 | 10:34/mi
5.55 Miles
58:57
Rank: #4906 (+260)
1.81 Miles → 5.55 Miles
39:49 | 10:39/mi
6.52 Miles
1:09:40
Rank: #4820 (+86)
5.55 Miles → 6.52 Miles
10:43 | 11:03/mi
10.87 Miles
1:58:49
Rank: #5022 (-202)
6.52 Miles → 10.87 Miles
49:09 | 11:18/mi
Garmin Hill Challenge· 11.38 mi
2:05:39
Rank: #4956 (+66)
10.87 Miles → Garmin Hill Challenge
6:50 | 13:25/mi
14.95 Miles
2:38:44
Rank: #4687 (+269)
Garmin Hill Challenge → 14.95 Miles
33:05 | 9:16/mi
18 Miles
3:13:28
Rank: #4344 (+343)
14.95 Miles → 18 Miles
34:44 | 11:23/mi
25 Miles
4:24:54
Rank: #3771 (+573)
18 Miles → 25 Miles
1:11:26 | 10:12/mi
Finish· 26.22 mi
4:37:24
Rank: #3731 (+40)
25 Miles → Finish
12:30 | 10:16/mi

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:51:1719:0810:3419:08
10:34
-
5.55 Miles
5.55 mi06:31:0658:5710:3739:49
10:39
+0:05
6.52 Miles
6.52 mi06:41:491:09:4010:4110:43
11:03
+0:24
10.87 Miles
10.87 mi07:30:581:58:4910:5649:09
11:18
+0:15
Garmin Hill Challenge
11.38 mi07:37:482:05:3911:026:50
13:25
+2:07
14.95 Miles
14.95 mi08:10:532:38:4410:3733:05
9:16
-4:09
18 Miles
18.00 mi08:45:373:13:2810:4534:44
11:23
+2:07
25 Miles
25.00 mi09:57:034:24:5410:361:11:26
10:12
-1:11
Finish
26.22 mi10:09:334:37:2410:3512:30
10:16
+0:04

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

9:16 /mi

Average Pace

10:35 /mi

Slowest Pace

13:25 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:05

12% of race

Time at Steady Pace

2:33:36

55% of race

Time at Slower Pace

1:30:43

33% of race

Average Pace: 10:35 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81 Miles
1.81 mi05:51:1719:0810:3419:08
10:34
#5166
5.55 Miles
5.55 mi06:31:0658:5710:3739:49
10:39
#4906
6.52 Miles
6.52 mi06:41:491:09:4010:4110:43
11:03
#4820
10.87 Miles
10.87 mi07:30:581:58:4910:5649:09
11:18
#5022
Garmin Hill Challenge
11.38 mi07:37:482:05:3911:026:50
13:25
#4956
14.95 Miles
14.95 mi08:10:532:38:4410:3733:05
9:16
#4687
18 Miles
18.00 mi08:45:373:13:2810:4534:44
11:23
#4344
25 Miles
25.00 mi09:57:034:24:5410:361:11:26
10:12
#3771
Finish
26.22 mi10:09:334:37:2410:3512:30
10:16
#3731
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81 Miles1.81 mi1.81 mi516612833365166(Top 79%)1283(Top 68%)336(Top 67%)
5.55 Miles5.55 mi3.74 mi4906+2601166+117320+164841(Top 74%)1134(Top 60%)316(Top 63%)
6.52 Miles6.52 mi0.97 mi4820+861129+37311+94612(Top 70%)1058(Top 56%)295(Top 59%)
10.87 Miles10.87 mi4.35 mi5022-2021203-74336-255246(Top 80%)1296(Top 69%)359(Top 71%)
Garmin Hill Challenge11.38 mi0.51 mi4956+661170+33325+114223(Top 65%)938(Top 50%)281(Top 56%)
14.95 Miles14.95 mi3.57 mi4687+2691089+81295+303895(Top 60%)830(Top 44%)238(Top 47%)
18 Miles18.00 mi3.05 mi4344+343980+109267+283257(Top 50%)651(Top 35%)182(Top 36%)
25 Miles25.00 mi7.00 mi3771+573833+147235+322635(Top 40%)558(Top 30%)147(Top 29%)
Finish26.22 mi1.22 mi3731+40822+11234+12821(Top 43%)638(Top 34%)185(Top 37%)

Segment Performance Analysis

Start → 1.81 Miles

0.0 - 1.8 mi

Top 79%
×1human
+6ft-10ft

Overall

5166

Females

1283

F25-29

343

1.81 Miles→5.55 Miles

1.8 - 5.5 mi

Top 74%
×6stories
+97ft-86ft

Overall

4841

Females

1134

F25-29

321

5.55 Miles→6.52 Miles

5.5 - 6.5 mi

Top 70%
×15stories
+178ft-5ft

Overall

4612

Females

1058

F25-29

300

6.52 Miles→10.87 Miles

6.5 - 10.9 mi

Top 80%
×20stories
+201ft-318ft

Overall

5246

Females

1296

F25-29

364

10.87 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 65%
×11stories
+134ft-79ft

Overall

4223

Females

938

F25-29

286

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 60%
×17stories
+251ft-225ft

Overall

3895

Females

830

F25-29

241

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 50%
×12stories
+165ft-60ft

Overall

3257

Females

651

F25-29

185

18 Miles→25 Miles

18.0 - 25.0 mi

Top 40%
×22stories
+142ft-378ft

Overall

2635

Females

558

F25-29

148

25 Miles→Finish

25.0 - 26.2 mi

Top 43%
~flat
+2ft-0ft

Overall

2821

Females

638

F25-29

185

Passing Analysis

Category:
Athletes Passed
1875*
Passed By
440
Net Change
+1435
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81 Miles----#5166
1.81 Miles → 5.55 Miles35090+260#5166#4906
5.55 Miles → 6.52 Miles10822+86#4906#4820
6.52 Miles → 10.87 Miles69*271-202#4820#5022
10.87 Miles → Garmin Hill Challenge8418+66#5022#4956
Garmin Hill Challenge → 14.95 Miles277*8+269#4956#4687
14.95 Miles → 18 Miles352*9+343#4687#4344
18 Miles → 25 Miles579*6+573#4344#3771
25 Miles → Finish56*16+40#3771#3731
TOTALS1875*440+1435

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

📊

Passing Visuals

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