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BOSTON MARATHON 2025

Sylvia Kartika

Bib: 29210•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:47
Rank: #23439
Start → 5K
9:16/mi
28:47 split
10K· 6.21 mi
55:17
Rank: #21941 (+1498)
5K → 10K
8:32/mi
26:30 split
15K· 9.32 mi
1:21:52
Rank: #21166 (+775)
10K → 15K
8:33/mi
26:35 split
20K· 12.43 mi
1:48:29
Rank: #20580 (+586)
15K → 20K
8:34/mi
26:37 split
Half· 13.11 mi
1:54:25
Rank: #20562 (+18)
20K → Half
8:42/mi
5:56 split
25K· 15.53 mi
2:15:55
Rank: #20356 (+206)
Half → 25K
8:52/mi
21:30 split
30K· 18.64 mi
2:44:40
Rank: #20058 (+298)
25K → 30K
9:15/mi
28:45 split
20M
2:57:40
Rank: #20002 (+56)
30K → 20M
9:34/mi
13:00 split
21M
3:07:18
Rank: #19803 (+199)
20M → 21M
9:38/mi
9:38 split
35K· 21.75 mi
3:13:57
Rank: #19724 (+79)
21M → 35K
8:53/mi
6:39 split
23M
3:25:14
Rank: #19526 (+198)
35K → 23M
9:01/mi
11:17 split
24M
3:33:41
Rank: #19311 (+215)
23M → 24M
8:27/mi
8:27 split
40K· 24.85 mi
3:40:59
Rank: #19112 (+199)
24M → 40K
8:32/mi
7:18 split
25.2M
3:44:13
Rank: #19024 (+88)
40K → 25.2M
9:23/mi
3:14 split
Finish· 26.22 mi
3:53:09
Rank: #18970 (+54)
25.2M → Finish
8:46/mi
8:56 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:25
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time1:58:44
Pace9:03 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1328:479:1628:47
9:16
-
10K
6.21 mi12:14:4355:178:5426:30
8:32
-0:44
15K
9.32 mi12:41:181:21:528:4726:35
8:33
+0:01
20K
12.43 mi13:07:551:48:298:4426:37
8:34
+0:01
Half
13.11 mi13:13:511:54:258:445:56
8:42
+0:08
25K
15.53 mi13:35:212:15:558:4521:30
8:52
+0:10
30K
18.64 mi14:04:062:44:408:5028:45
9:15
+0:23
20M
20.00 mi14:17:062:57:408:5313:00
9:34
+0:19
21M
21.00 mi14:26:443:07:188:559:38
9:38
+0:04
35K
21.75 mi14:33:233:13:578:556:39
8:53
-0:45
23M
23.00 mi14:44:403:25:148:5511:17
9:01
+0:08
24M
24.00 mi14:53:073:33:418:548:27
8:27
-0:34
40K
24.85 mi15:00:253:40:598:537:18
8:32
+0:05
25.2M
25.20 mi15:03:393:44:138:543:14
9:23
+0:51
Finish
26.22 mi15:12:353:53:098:548:56
8:46
-0:37

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

8:27 /mi

Average Pace

8:54 /mi

Slowest Pace

9:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:17

89% of race

Time at Steady Pace

25:52

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:54 /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 mi11:48:1328:479:1628:47
9:16
#23439
10K
6.21 mi12:14:4355:178:5426:30
8:32
#21941
15K
9.32 mi12:41:181:21:528:4726:35
8:33
#21166
20K
12.43 mi13:07:551:48:298:4426:37
8:34
#20580
Half
13.11 mi13:13:511:54:258:445:56
8:42
#20562
25K
15.53 mi13:35:212:15:558:4521:30
8:52
#20356
30K
18.64 mi14:04:062:44:408:5028:45
9:15
#20058
20M
20.00 mi14:17:062:57:408:5313:00
9:34
#20002
21M
21.00 mi14:26:443:07:188:559:38
9:38
#19803
35K
21.75 mi14:33:233:13:578:556:39
8:53
#19724
23M
23.00 mi14:44:403:25:148:5511:17
9:01
#19526
24M
24.00 mi14:53:073:33:418:548:27
8:27
#19311
40K
24.85 mi15:00:253:40:598:537:18
8:32
#19112
25.2M
25.20 mi15:03:393:44:138:543:14
9:23
#19024
Finish
26.22 mi15:12:353:53:098:548:56
8:46
#18970
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi234399404940419682(Top 69%)7264(Top 59%)7264(Top 401%)
10K6.21 mi3.10 mi21941+14988572+8328572+83219980(Top 70%)7452(Top 61%)7452(Top 411%)
15K9.32 mi3.11 mi21166+7758127+4458127+44519682(Top 69%)7264(Top 59%)7264(Top 401%)
20K12.43 mi3.11 mi20580+5867803+3247803+32418660(Top 66%)6726(Top 55%)6726(Top 371%)
Half13.11 mi0.68 mi20562+187792+117792+1120365(Top 72%)7666(Top 63%)7666(Top 423%)
25K15.53 mi2.42 mi20356+2067690+1027690+10219282(Top 68%)7134(Top 58%)7134(Top 393%)
30K18.64 mi3.11 mi20058+2987555+1357555+13518919(Top 67%)7077(Top 58%)7077(Top 390%)
20M20.00 mi1.36 mi20002+567544+117544+1119481(Top 69%)7509(Top 61%)7509(Top 414%)
21M21.00 mi1.00 mi19803+1997461+837461+8316733(Top 59%)6115(Top 50%)6115(Top 337%)
35K21.75 mi0.75 mi19724+797429+327429+3217739(Top 62%)6763(Top 55%)6763(Top 373%)
23M23.00 mi1.25 mi19526+1987357+727357+7216365(Top 58%)6102(Top 50%)6102(Top 337%)
24M24.00 mi1.00 mi19311+2157254+1037254+10314243(Top 50%)4962(Top 41%)4962(Top 274%)
40K24.85 mi0.85 mi19112+1997155+997155+9913724(Top 48%)4835(Top 40%)4835(Top 267%)
25.2M25.20 mi0.35 mi19024+887122+337122+3314014(Top 49%)5057(Top 41%)5057(Top 279%)
Finish26.22 mi1.02 mi18970+547111+117111+1117892(Top 63%)7027(Top 57%)7027(Top 388%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19682

Females

7264

F45-49

7264

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19980

Females

7452

F45-49

7452

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19682

Females

7264

F45-49

7264

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18660

Females

6726

F45-49

6726

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20365

Females

7666

F45-49

7666

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

19282

Females

7134

F45-49

7134

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

18919

Females

7077

F45-49

7077

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19481

Females

7509

F45-49

7509

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16733

Females

6115

F45-49

6115

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17739

Females

6763

F45-49

6763

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16365

Females

6102

F45-49

6102

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14243

Females

4962

F45-49

4962

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13724

Females

4835

F45-49

4835

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

14014

Females

5057

F45-49

5057

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

17892

Females

7027

F45-49

7027

Passing Analysis

Category:
Athletes Passed
4814
Passed By
345
Net Change
+4469
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23439
5K → 10K15046+1498#23439#21941
10K → 15K79015+775#21941#21166
15K → 20K5937+586#21166#20580
20K → Half4830+18#20580#20562
Half → 25K25549+206#20562#20356
25K → 30K39193+298#20356#20058
30K → 20M12569+56#20058#20002
20M → 21M21617+199#20002#19803
21M → 35K9213+79#19803#19724
35K → 23M20911+198#19724#19526
23M → 24M2183+215#19526#19311
24M → 40K2034+199#19311#19112
40K → 25.2M935+88#19112#19024
25.2M → Finish7723+54#19024#18970
TOTALS4814345+4469
📊

Passing Visuals

Category:
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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