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BOSTON MARATHON 2025

Cynthia George

Bib: 9827•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:58
Rank: #5909
Start → 5K
20:58 | 6:45/mi
10K· 6.21 mi
41:41
Rank: #5457 (+452)
5K → 10K
20:43 | 6:40/mi
15K· 9.32 mi
1:02:39
Rank: #5479 (-22)
10K → 15K
20:58 | 6:45/mi
20K· 12.43 mi
1:23:42
Rank: #5329 (+150)
15K → 20K
21:03 | 6:47/mi
Half· 13.11 mi
1:28:15
Rank: #5298 (+31)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:44:26
Rank: #5007 (+291)
Half → 25K
16:11 | 6:40/mi
30K· 18.64 mi
2:05:37
Rank: #4640 (+367)
25K → 30K
21:11 | 6:49/mi
20M
2:15:00
Rank: #4519 (+121)
30K → 20M
9:23 | 6:54/mi
21M
2:22:21
Rank: #4443 (+76)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:27:20
Rank: #4361 (+82)
21M → 35K
4:59 | 6:40/mi
23M
2:35:59
Rank: #4251 (+110)
35K → 23M
8:39 | 6:55/mi
24M
2:42:42
Rank: #4146 (+105)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:48:31
Rank: #4083 (+63)
24M → 40K
5:49 | 6:48/mi
25.2M
2:51:02
Rank: #4031 (+52)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:57:38
Rank: #3932 (+99)
25.2M → Finish
6:36 | 6:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:15
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:29:23
Pace6:49 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1120:586:4520:58
6:45
-
10K
6.21 mi11:07:5441:416:4220:43
6:40
-0:05
15K
9.32 mi11:28:521:02:396:4320:58
6:45
+0:05
20K
12.43 mi11:49:551:23:426:4421:03
6:47
+0:02
Half
13.11 mi11:54:281:28:156:444:33
6:40
-0:07
25K
15.53 mi12:10:391:44:266:4316:11
6:40
0:00
30K
18.64 mi12:31:502:05:376:4421:11
6:49
+0:09
20M
20.00 mi12:41:132:15:006:459:23
6:54
+0:05
21M
21.00 mi12:48:342:22:216:477:21
7:21
+0:27
35K
21.75 mi12:53:332:27:206:464:59
6:40
-0:41
23M
23.00 mi13:02:122:35:596:478:39
6:55
+0:15
24M
24.00 mi13:08:552:42:426:476:43
6:43
-0:12
40K
24.85 mi13:14:442:48:316:475:49
6:48
+0:05
25.2M
25.20 mi13:17:152:51:026:472:31
7:18
+0:30
Finish
26.22 mi13:23:512:57:386:476:36
6:29
-0:49

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

6:29 /mi

Average Pace

6:47 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:46

94% of race

Time at Steady Pace

9:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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
5K
3.11 mi10:47:1120:586:4520:58
6:45
#5909
10K
6.21 mi11:07:5441:416:4220:43
6:40
#5457
15K
9.32 mi11:28:521:02:396:4320:58
6:45
#5479
20K
12.43 mi11:49:551:23:426:4421:03
6:47
#5329
Half
13.11 mi11:54:281:28:156:444:33
6:40
#5298
25K
15.53 mi12:10:391:44:266:4316:11
6:40
#5007
30K
18.64 mi12:31:502:05:376:4421:11
6:49
#4640
20M
20.00 mi12:41:132:15:006:459:23
6:54
#4519
21M
21.00 mi12:48:342:22:216:477:21
7:21
#4443
35K
21.75 mi12:53:332:27:206:464:59
6:40
#4361
23M
23.00 mi13:02:122:35:596:478:39
6:55
#4251
24M
24.00 mi13:08:552:42:426:476:43
6:43
#4146
40K
24.85 mi13:14:442:48:316:475:49
6:48
#4083
25.2M
25.20 mi13:17:152:51:026:472:31
7:18
#4031
Finish
26.22 mi13:23:512:57:386:476:36
6:29
#3932
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi59094574575597(Top 20%)459(Top 4%)459(Top 8%)
10K6.21 mi3.10 mi5457+452398+59398+595070(Top 18%)335(Top 3%)335(Top 6%)
15K9.32 mi3.11 mi5479-22403-5403-55597(Top 20%)459(Top 4%)459(Top 8%)
20K12.43 mi3.11 mi5329+150388+15388+155082(Top 18%)383(Top 3%)383(Top 7%)
Half13.11 mi0.68 mi5298+31385+3385+35100(Top 18%)365(Top 3%)365(Top 7%)
25K15.53 mi2.42 mi5007+291352+33352+333963(Top 14%)253(Top 2%)253(Top 5%)
30K18.64 mi3.11 mi4640+367317+35317+353572(Top 13%)250(Top 2%)250(Top 5%)
20M20.00 mi1.36 mi4519+121310+7310+73577(Top 13%)270(Top 2%)270(Top 5%)
21M21.00 mi1.00 mi4443+76309+1309+13895(Top 14%)344(Top 3%)344(Top 6%)
35K21.75 mi0.75 mi4361+82302+7302+73332(Top 12%)279(Top 2%)279(Top 5%)
23M23.00 mi1.25 mi4251+110294+8294+83288(Top 12%)286(Top 2%)286(Top 5%)
24M24.00 mi1.00 mi4146+105290+4290+43091(Top 11%)282(Top 2%)282(Top 5%)
40K24.85 mi0.85 mi4083+63291-1291-12899(Top 10%)271(Top 2%)271(Top 5%)
25.2M25.20 mi0.35 mi4031+52289+2289+22611(Top 9%)273(Top 2%)273(Top 5%)
Finish26.22 mi1.02 mi3932+99284+5284+52737(Top 10%)267(Top 2%)267(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5597

Females

459

F18-39

459

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5070

Females

335

F18-39

335

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5597

Females

459

F18-39

459

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5082

Females

383

F18-39

383

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5100

Females

365

F18-39

365

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3963

Females

253

F18-39

253

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3572

Females

250

F18-39

250

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3577

Females

270

F18-39

270

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3895

Females

344

F18-39

344

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3332

Females

279

F18-39

279

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3288

Females

286

F18-39

286

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3091

Females

282

F18-39

282

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2899

Females

271

F18-39

271

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2611

Females

273

F18-39

273

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2737

Females

267

F18-39

267

Passing Analysis

Category:
Athletes Passed
2368
Passed By
391
Net Change
+1977
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5909
5K → 10K50250+452#5909#5457
10K → 15K108130-22#5457#5479
15K → 20K20050+150#5479#5329
20K → Half4514+31#5329#5298
Half → 25K30211+291#5298#5007
25K → 30K38821+367#5007#4640
30K → 20M14120+121#4640#4519
20M → 21M10933+76#4519#4443
21M → 35K919+82#4443#4361
35K → 23M12818+110#4361#4251
23M → 24M1094+105#4251#4146
24M → 40K7310+63#4146#4083
40K → 25.2M531+52#4083#4031
25.2M → Finish11920+99#4031#3932
TOTALS2368391+1977
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing