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BOSTON MARATHON 2025

Kimberly Becker

Bib: 20836•F

SC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 42%
Division (F50-54)
#0 / 1303
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:31/mi
26:29
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
52:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:24/mi
1:18:44
↑ 67↓ 78
20K· 12.43 mi
8:32/mi
1:45:15
↑ 106↓ 860.1%
Half· 13.11 mi
8:32/mi
1:51:04
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:12:00
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:39:22
↑ 181↓ 1480.2%
20M
8:57/mi
2:51:32
↑ 64↓ 500.2%
21M
9:23/mi
3:00:55
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
3:07:22
↑ 17↓ 861.7%
23M
8:54/mi
3:18:31
↑ 23↓ 630.6%
24M
8:49/mi
3:27:20
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:34:55
↓ 200.3%
25.2M
9:43/mi
3:38:16
↑ 13↓ 160.2%
Finish· 26.22 mi
8:31/mi
3:46:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:04
Pace8:28 /mi
2nd Half
Distance13.11 mi
Time1:55:53
Pace8:50 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5026:298:3126:29
8:31
-
10K
6.21 mi11:51:0052:398:2826:10
8:25
-0:06
15K
9.32 mi12:17:051:18:448:2726:05
8:24
-0:01
20K
12.43 mi12:43:361:45:158:2826:31
8:32
+0:08
Half
13.11 mi12:49:251:51:048:285:49
8:32
0:00
25K
15.53 mi13:10:212:12:008:3020:56
8:38
+0:06
30K
18.64 mi13:37:432:39:228:3327:22
8:49
+0:11
20M
20.00 mi13:49:532:51:328:3512:10
8:57
+0:08
21M
21.00 mi13:59:163:00:558:379:23
9:23
+0:26
35K
21.75 mi14:05:433:07:228:376:27
8:37
-0:46
23M
23.00 mi14:16:523:18:318:3811:09
8:54
+0:17
24M
24.00 mi14:25:413:27:208:388:49
8:49
-0:05
40K
24.85 mi14:33:163:34:558:397:35
8:52
+0:03
25.2M
25.20 mi14:36:373:38:168:403:21
9:43
+0:51
Finish
26.22 mi14:45:183:46:578:408:41
8:31
-1:12

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

8:24 /mi

Average Pace

8:40 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:34:13

94% of race

Time at Steady Pace

12:44

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:39 /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 mi11:24:5026:298:3126:29
8:31
#20028
10K
6.21 mi11:51:0052:398:2826:10
8:25
#19668
15K
9.32 mi12:17:051:18:448:2726:05
8:24
#19342
20K
12.43 mi12:43:361:45:158:2826:31
8:32
#19072
Half
13.11 mi12:49:251:51:048:285:49
8:32
#19078
25K
15.53 mi13:10:212:12:008:3020:56
8:38
#18883
30K
18.64 mi13:37:432:39:228:3327:22
8:49
#18444
20M
20.00 mi13:49:532:51:328:3512:10
8:57
#18278
21M
21.00 mi13:59:163:00:558:379:23
9:23
#18100
35K
21.75 mi14:05:433:07:228:376:27
8:37
#18017
23M
23.00 mi14:16:523:18:318:3811:09
8:54
#17868
24M
24.00 mi14:25:413:27:208:388:49
8:49
#17761
40K
24.85 mi14:33:163:34:558:397:35
8:52
#17683
25.2M
25.20 mi14:36:373:38:168:403:21
9:43
#17632
Finish
26.22 mi14:45:183:46:578:408:41
8:31
#17588
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi200287512751218688(Top 66%)6715(Top 55%)6715(Top 515%)
10K6.21 mi3.10 mi19668+3607281+2317281+23119333(Top 68%)7070(Top 58%)7070(Top 543%)
15K9.32 mi3.11 mi19342+3267087+1947087+19418688(Top 66%)6715(Top 55%)6715(Top 515%)
20K12.43 mi3.11 mi19072+2706943+1446943+14418471(Top 65%)6610(Top 54%)6610(Top 507%)
Half13.11 mi0.68 mi19078-66948-56948-519385(Top 68%)7106(Top 58%)7106(Top 545%)
25K15.53 mi2.42 mi18883+1956850+986850+9818018(Top 63%)6439(Top 53%)6439(Top 494%)
30K18.64 mi3.11 mi18444+4396630+2206630+22016664(Top 59%)5840(Top 48%)5840(Top 448%)
20M20.00 mi1.36 mi18278+1666571+596571+5916569(Top 58%)5907(Top 48%)5907(Top 453%)
21M21.00 mi1.00 mi18100+1786490+816490+8115576(Top 55%)5501(Top 45%)5501(Top 422%)
35K21.75 mi0.75 mi18017+836457+336457+3316233(Top 57%)5918(Top 48%)5918(Top 454%)
23M23.00 mi1.25 mi17868+1496424+336424+3315729(Top 55%)5738(Top 47%)5738(Top 440%)
24M24.00 mi1.00 mi17761+1076402+226402+2216438(Top 58%)6174(Top 50%)6174(Top 474%)
40K24.85 mi0.85 mi17683+786381+216381+2115618(Top 55%)5864(Top 48%)5864(Top 450%)
25.2M25.20 mi0.35 mi17632+516361+206361+2015762(Top 55%)5973(Top 49%)5973(Top 458%)
Finish26.22 mi1.02 mi17588+446353+86353+816381(Top 58%)6241(Top 51%)6241(Top 479%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18688

Females

6715

F50-54

6715

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19333

Females

7070

F50-54

7070

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18688

Females

6715

F50-54

6715

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18471

Females

6610

F50-54

6610

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

19385

Females

7106

F50-54

7106

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

18018

Females

6439

F50-54

6439

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16664

Females

5840

F50-54

5840

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16569

Females

5907

F50-54

5907

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

15576

Females

5501

F50-54

5501

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16233

Females

5918

F50-54

5918

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15729

Females

5738

F50-54

5738

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

16438

Females

6174

F50-54

6174

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15618

Females

5864

F50-54

5864

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15762

Females

5973

F50-54

5973

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16381

Females

6241

F50-54

6241

Passing Analysis

Category:
Athletes Passed
3074
Passed By
634
Net Change
+2440
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20028
5K → 10K500140+360#20028#19668
10K → 15K39266+326#19668#19342
15K → 20K34373+270#19342#19072
20K → Half3036-6#19072#19078
Half → 25K25358+195#19078#18883
25K → 30K49354+439#18883#18444
30K → 20M19832+166#18444#18278
20M → 21M20325+178#18278#18100
21M → 35K10017+83#18100#18017
35K → 23M18132+149#18017#17868
23M → 24M13629+107#17868#17761
24M → 40K10527+78#17761#17683
40K → 25.2M587+51#17683#17632
25.2M → Finish8238+44#17632#17588
TOTALS3074634+2440
📊

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