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BOSTON MARATHON 2025

Janine Santimauro

MA

Bib: 26553 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:35/mi
26:39
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:37/mi
53:24
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:03/mi
1:21:32
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:23/mi
1:50:42
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:51/mi
1:56:44
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:33/mi
2:19:53
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:03/mi
2:51:06
↑ 181↓ 1480.2%
138 ft elev
20M
10:02/mi
3:04:44
↑ 64↓ 500.2%
148 ft elev
21M
11:17/mi
3:16:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:36/mi
3:23:12
↑ 17↓ 861.7%
156 ft elev
23M
10:20/mi
3:36:08
↑ 23↓ 630.6%
116 ft elev
24M
10:08/mi
3:46:16
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:47/mi
3:55:29
↓ 200.3%
20 ft elev
25.2M
11:59/mi
3:59:37
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:51/mi
4:09:39
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:56:448:54 /mi⚡ faster
2nd Half
2:12:5510:08 /mi+13.9%
Positive split — 13.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:1626:398:3526:39
8:35
-
10K
6.21 mi12:09:0153:248:3626:45
8:37
+0:02
15K
9.32 mi12:37:091:21:328:4528:08
9:03
+0:26
20K
12.43 mi13:06:191:50:428:5429:10
9:23
+0:20
Half
13.11 mi13:12:211:56:448:546:02
8:51
-0:32
25K
15.53 mi13:35:302:19:539:0023:09
9:33
+0:42
30K
18.64 mi14:06:432:51:069:1131:13
10:03
+0:30
20M
20.00 mi14:20:213:04:449:1413:38
10:02
-0:01
21M
21.00 mi14:31:383:16:019:2011:17
11:17
+1:15
35K
21.75 mi14:38:493:23:129:217:11
9:36
-1:41
23M
23.00 mi14:51:453:36:089:2412:56
10:20
+0:44
24M
24.00 mi15:01:533:46:169:2610:08
10:08
-0:12
40K
24.85 mi15:11:063:55:299:289:13
10:47
+0:39
25.2M
25.20 mi15:15:143:59:379:314:08
11:59
+1:12
Finish
26.22 mi15:25:164:09:399:3210:02
9:51
-2:08

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

8:35 /mi

Average Pace

9:32 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:56:44

47% of race

Time at Steady Pace

1:35:21

38% of race

Time at Slower Pace

37:34

15% of race

Average Pace: 9:31 /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 mi11:42:1626:398:3526:39
8:35
#20353
10K
6.21 mi12:09:0153:248:3626:45
8:37
#20370
15K
9.32 mi12:37:091:21:328:4528:08
9:03
#20993
20K
12.43 mi13:06:191:50:428:5429:10
9:23
#21486
Half
13.11 mi13:12:211:56:448:546:02
8:51
#21460
25K
15.53 mi13:35:302:19:539:0023:09
9:33
#21574
30K
18.64 mi14:06:432:51:069:1131:13
10:03
#21663
20M
20.00 mi14:20:213:04:449:1413:38
10:02
#21622
21M
21.00 mi14:31:383:16:019:2011:17
11:17
#21663
35K
21.75 mi14:38:493:23:129:217:11
9:36
#21623
23M
23.00 mi14:51:453:36:089:2412:56
10:20
#21619
24M
24.00 mi15:01:533:46:169:2610:08
10:08
#21613
40K
24.85 mi15:11:063:55:299:289:13
10:47
#21664
25.2M
25.20 mi15:15:143:59:379:314:08
11:59
#21688
Finish
26.22 mi15:25:164:09:399:3210:02
9:51
#21693
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi20353771977192228287128712
10K6.21 mi3.10 mi20370-177694+257694+252041676987698
15K9.32 mi3.11 mi20993-6238038-3448038-3442228287128712
20K12.43 mi3.11 mi21486-4938312-2748312-2742254288848884
Half13.11 mi0.68 mi21460+268293+198293+192116181328132
25K15.53 mi2.42 mi21574-1148368-758368-752203286678667
30K18.64 mi3.11 mi21663-898440-728440-722173486328632
20M20.00 mi1.36 mi21622+418434+68434+62107984028402
21M21.00 mi1.00 mi21663-418480-468480-462212290369036
35K21.75 mi0.75 mi21623+408468+128468+122071483608360
23M23.00 mi1.25 mi21619+48503-358503-352152588318831
24M24.00 mi1.00 mi21613+68516-138516-132175490039003
40K24.85 mi0.85 mi21664-518578-628578-622264695239523
25.2M25.20 mi0.35 mi21688-248600-228600-222321497659765
Finish26.22 mi1.02 mi21693-58610-108610-102245493979397

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22282

Females

8712

F45-49

8712

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20416

Females

7698

F45-49

7698

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22282

Females

8712

F45-49

8712

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22542

Females

8884

F45-49

8884

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21161

Females

8132

F45-49

8132

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22032

Females

8667

F45-49

8667

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21734

Females

8632

F45-49

8632

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

21079

Females

8402

F45-49

8402

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22122

Females

9036

F45-49

9036

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20714

Females

8360

F45-49

8360

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21525

Females

8831

F45-49

8831

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21754

Females

9003

F45-49

9003

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22646

Females

9523

F45-49

9523

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23214

Females

9765

F45-49

9765

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22454

Females

9397

F45-49

9397

Passing Analysis

Category:
Athletes Passed
1235
Passed By
2575
Net Change
-1340
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20353
5K → 10K280297-17#20353#20370
10K → 15K56679-623#20370#20993
15K → 20K90583-493#20993#21486
20K → Half4721+26#21486#21460
Half → 25K105219-114#21460#21574
25K → 30K173262-89#21574#21663
30K → 20M11069+41#21663#21622
20M → 21M73114-41#21622#21663
21M → 35K6020+40#21663#21623
35K → 23M8783+4#21623#21619
23M → 24M5246+6#21619#21613
24M → 40K4293-51#21613#21664
40K → 25.2M1640-24#21664#21688
25.2M → Finish4449-5#21688#21693
TOTALS12352575-1340

Passing Charts

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