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BOSTON MARATHON 2025

Sara Bamber

Bib: 23829•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:41
Rank: #20404
Start → 5K
26:41 | 8:35/mi
10K· 6.21 mi
54:04
Rank: #20925 (-521)
5K → 10K
27:23 | 8:49/mi
15K· 9.32 mi
1:21:20
Rank: #20891 (+34)
10K → 15K
27:16 | 8:47/mi
20K· 12.43 mi
1:49:14
Rank: #20867 (+24)
15K → 20K
27:54 | 8:59/mi
Half· 13.11 mi
1:55:11
Rank: #20857 (+10)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:16:47
Rank: #20661 (+196)
Half → 25K
21:36 | 8:55/mi
30K· 18.64 mi
2:45:48
Rank: #20345 (+316)
25K → 30K
29:01 | 9:20/mi
20M
2:58:51
Rank: #20283 (+62)
30K → 20M
13:03 | 9:36/mi
21M
3:08:36
Rank: #20092 (+191)
20M → 21M
9:45 | 9:45/mi
35K· 21.75 mi
3:15:08
Rank: #19978 (+114)
21M → 35K
6:32 | 8:44/mi
23M
3:26:30
Rank: #19809 (+169)
35K → 23M
11:22 | 9:05/mi
24M
3:35:19
Rank: #19656 (+153)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:43:05
Rank: #19542 (+114)
24M → 40K
7:46 | 9:05/mi
25.2M
3:46:32
Rank: #19502 (+40)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:55:42
Rank: #19496 (+6)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:11
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:00:31
Pace9:12 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1126:418:3526:41
8:35
-
10K
6.21 mi11:51:3454:048:4227:23
8:49
+0:14
15K
9.32 mi12:18:501:21:208:4427:16
8:47
-0:02
20K
12.43 mi12:46:441:49:148:4727:54
8:59
+0:12
Half
13.11 mi12:52:411:55:118:475:57
8:43
-0:16
25K
15.53 mi13:14:172:16:478:4821:36
8:55
+0:12
30K
18.64 mi13:43:182:45:488:5429:01
9:20
+0:25
20M
20.00 mi13:56:212:58:518:5713:03
9:36
+0:16
21M
21.00 mi14:06:063:08:368:599:45
9:45
+0:09
35K
21.75 mi14:12:383:15:088:586:32
8:44
-1:01
23M
23.00 mi14:24:003:26:308:5911:22
9:05
+0:21
24M
24.00 mi14:32:493:35:198:588:49
8:49
-0:16
40K
24.85 mi14:40:353:43:058:597:46
9:05
+0:16
25.2M
25.20 mi14:44:023:46:328:593:27
10:00
+0:55
Finish
26.22 mi14:53:123:55:429:009:10
9:00
-1:00

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

9:00 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:27

89% of race

Time at Steady Pace

26:15

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:59 /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 mi11:24:1126:418:3526:41
8:35
#20404
10K
6.21 mi11:51:3454:048:4227:23
8:49
#20925
15K
9.32 mi12:18:501:21:208:4427:16
8:47
#20891
20K
12.43 mi12:46:441:49:148:4727:54
8:59
#20867
Half
13.11 mi12:52:411:55:118:475:57
8:43
#20857
25K
15.53 mi13:14:172:16:478:4821:36
8:55
#20661
30K
18.64 mi13:43:182:45:488:5429:01
9:20
#20345
20M
20.00 mi13:56:212:58:518:5713:03
9:36
#20283
21M
21.00 mi14:06:063:08:368:599:45
9:45
#20092
35K
21.75 mi14:12:383:15:088:586:32
8:44
#19978
23M
23.00 mi14:24:003:26:308:5911:22
9:05
#19809
24M
24.00 mi14:32:493:35:198:588:49
8:49
#19656
40K
24.85 mi14:40:353:43:058:597:46
9:05
#19542
25.2M
25.20 mi14:44:023:46:328:593:27
10:00
#19502
Finish
26.22 mi14:53:123:55:429:009:10
9:00
#19496
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi204047746774620919(Top 74%)7951(Top 65%)7951(Top 800%)
10K6.21 mi3.10 mi20925-5218013-2678013-26721468(Top 76%)8287(Top 68%)8287(Top 834%)
15K9.32 mi3.11 mi20891+347983+307983+3020919(Top 74%)7951(Top 65%)7951(Top 800%)
20K12.43 mi3.11 mi20867+247961+227961+2220863(Top 73%)7978(Top 65%)7978(Top 803%)
Half13.11 mi0.68 mi20857+107954+77954+720510(Top 72%)7758(Top 63%)7758(Top 780%)
25K15.53 mi2.42 mi20661+1967853+1017853+10119484(Top 69%)7250(Top 59%)7250(Top 729%)
30K18.64 mi3.11 mi20345+3167725+1287725+12819307(Top 68%)7291(Top 60%)7291(Top 734%)
20M20.00 mi1.36 mi20283+627716+97716+919638(Top 69%)7598(Top 62%)7598(Top 764%)
21M21.00 mi1.00 mi20092+1917632+847632+8417288(Top 61%)6428(Top 53%)6428(Top 647%)
35K21.75 mi0.75 mi19978+1147575+577575+5716955(Top 60%)6325(Top 52%)6325(Top 636%)
23M23.00 mi1.25 mi19809+1697512+637512+6316733(Top 59%)6300(Top 52%)6300(Top 634%)
24M24.00 mi1.00 mi19656+1537455+577455+5716454(Top 58%)6190(Top 51%)6190(Top 623%)
40K24.85 mi0.85 mi19542+1147400+557400+5516811(Top 59%)6491(Top 53%)6491(Top 653%)
25.2M25.20 mi0.35 mi19502+407391+97391+917143(Top 60%)6681(Top 55%)6681(Top 672%)
Finish26.22 mi1.02 mi19496+67406-157406-1519051(Top 67%)7630(Top 62%)7630(Top 768%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

20919

Females

7951

F55-59

7951

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21468

Females

8287

F55-59

8287

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

20919

Females

7951

F55-59

7951

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

20863

Females

7978

F55-59

7978

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20510

Females

7758

F55-59

7758

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19484

Females

7250

F55-59

7250

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19307

Females

7291

F55-59

7291

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19638

Females

7598

F55-59

7598

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17288

Females

6428

F55-59

6428

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

16955

Females

6325

F55-59

6325

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16733

Females

6300

F55-59

6300

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16454

Females

6190

F55-59

6190

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16811

Females

6491

F55-59

6491

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17143

Females

6681

F55-59

6681

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

19051

Females

7630

F55-59

7630

Passing Analysis

Category:
Athletes Passed
2201
Passed By
1293
Net Change
+908
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20404
5K → 10K103624-521#20404#20925
10K → 15K199165+34#20925#20891
15K → 20K201177+24#20891#20867
20K → Half3525+10#20867#20857
Half → 25K25963+196#20857#20661
25K → 30K37761+316#20661#20345
30K → 20M12765+62#20345#20283
20M → 21M20514+191#20283#20092
21M → 35K1217+114#20092#19978
35K → 23M18112+169#19978#19809
23M → 24M16310+153#19809#19656
24M → 40K1217+114#19656#19542
40K → 25.2M5010+40#19542#19502
25.2M → Finish5953+6#19502#19496
TOTALS22011293+908
📊

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