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BOSTON MARATHON 2025

Caralei Peters Wiersma

Bib: 22880•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 40%
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
26:05
Rank: #19289
Start → 5K
26:05 | 8:24/mi
10K· 6.21 mi
52:17
Rank: #19326 (-37)
5K → 10K
26:12 | 8:26/mi
15K· 9.32 mi
1:18:30
Rank: #19166 (+160)
10K → 15K
26:13 | 8:26/mi
20K· 12.43 mi
1:45:05
Rank: #18988 (+178)
15K → 20K
26:35 | 8:33/mi
Half· 13.11 mi
1:50:50
Rank: #18986 (+2)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:11:35
Rank: #18735 (+251)
Half → 25K
20:45 | 8:33/mi
30K· 18.64 mi
2:38:19
Rank: #18061 (+674)
25K → 30K
26:44 | 8:36/mi
20M
2:50:21
Rank: #17895 (+166)
30K → 20M
12:02 | 8:51/mi
21M
2:59:42
Rank: #17737 (+158)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
3:06:04
Rank: #17638 (+99)
21M → 35K
6:22 | 8:31/mi
23M
3:17:17
Rank: #17527 (+111)
35K → 23M
11:13 | 8:58/mi
24M
3:26:00
Rank: #17440 (+87)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:33:38
Rank: #17377 (+63)
24M → 40K
7:38 | 8:56/mi
25.2M
3:36:57
Rank: #17340 (+37)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:45:36
Rank: #17292 (+48)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:50
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:54:46
Pace8:45 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4226:058:2426:05
8:24
-
10K
6.21 mi11:47:5452:178:2526:12
8:26
+0:02
15K
9.32 mi12:14:071:18:308:2526:13
8:26
0:00
20K
12.43 mi12:40:421:45:058:2726:35
8:33
+0:07
Half
13.11 mi12:46:271:50:508:275:45
8:26
-0:07
25K
15.53 mi13:07:122:11:358:2820:45
8:33
+0:07
30K
18.64 mi13:33:562:38:198:3026:44
8:36
+0:03
20M
20.00 mi13:45:582:50:218:3112:02
8:51
+0:15
21M
21.00 mi13:55:192:59:428:339:21
9:21
+0:30
35K
21.75 mi14:01:413:06:048:336:22
8:31
-0:50
23M
23.00 mi14:12:543:17:178:3511:13
8:58
+0:27
24M
24.00 mi14:21:373:26:008:358:43
8:43
-0:15
40K
24.85 mi14:29:153:33:388:367:38
8:56
+0:13
25.2M
25.20 mi14:32:343:36:578:373:19
9:37
+0:41
Finish
26.22 mi14:41:133:45:368:378:39
8:29
-1:08

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

8:24 /mi

Average Pace

8:37 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:56

94% of race

Time at Steady Pace

12:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:36 /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 mi11:21:4226:058:2426:05
8:24
#19289
10K
6.21 mi11:47:5452:178:2526:12
8:26
#19326
15K
9.32 mi12:14:071:18:308:2526:13
8:26
#19166
20K
12.43 mi12:40:421:45:058:2726:35
8:33
#18988
Half
13.11 mi12:46:271:50:508:275:45
8:26
#18986
25K
15.53 mi13:07:122:11:358:2820:45
8:33
#18735
30K
18.64 mi13:33:562:38:198:3026:44
8:36
#18061
20M
20.00 mi13:45:582:50:218:3112:02
8:51
#17895
21M
21.00 mi13:55:192:59:428:339:21
9:21
#17737
35K
21.75 mi14:01:413:06:048:336:22
8:31
#17638
23M
23.00 mi14:12:543:17:178:3511:13
8:58
#17527
24M
24.00 mi14:21:373:26:008:358:43
8:43
#17440
40K
24.85 mi14:29:153:33:388:367:38
8:56
#17377
25.2M
25.20 mi14:32:343:36:578:373:19
9:37
#17340
Finish
26.22 mi14:41:133:45:368:378:39
8:29
#17292
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi192897073707318961(Top 67%)6877(Top 56%)6877(Top 379%)
10K6.21 mi3.10 mi19326-377080-77080-719400(Top 68%)7109(Top 58%)7109(Top 392%)
15K9.32 mi3.11 mi19166+1606995+856995+8518961(Top 67%)6877(Top 56%)6877(Top 379%)
20K12.43 mi3.11 mi18988+1786897+986897+9818582(Top 65%)6670(Top 55%)6670(Top 368%)
Half13.11 mi0.68 mi18986+26899-26899-218757(Top 66%)6751(Top 55%)6751(Top 372%)
25K15.53 mi2.42 mi18735+2516762+1376762+13717537(Top 62%)6155(Top 50%)6155(Top 339%)
30K18.64 mi3.11 mi18061+6746430+3326430+33215436(Top 54%)5147(Top 42%)5147(Top 284%)
20M20.00 mi1.36 mi17895+1666364+666364+6615991(Top 56%)5591(Top 46%)5591(Top 308%)
21M21.00 mi1.00 mi17737+1586291+736291+7315429(Top 54%)5412(Top 44%)5412(Top 299%)
35K21.75 mi0.75 mi17638+996257+346257+3415573(Top 55%)5563(Top 45%)5563(Top 307%)
23M23.00 mi1.25 mi17527+1116239+186239+1816052(Top 57%)5917(Top 48%)5917(Top 326%)
24M24.00 mi1.00 mi17440+876213+266213+2615861(Top 56%)5851(Top 48%)5851(Top 323%)
40K24.85 mi0.85 mi17377+636201+126201+1215924(Top 56%)6004(Top 49%)6004(Top 331%)
25.2M25.20 mi0.35 mi17340+376189+126189+1215260(Top 54%)5701(Top 47%)5701(Top 314%)
Finish26.22 mi1.02 mi17292+486185+46185+416178(Top 57%)6122(Top 50%)6122(Top 338%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

18961

Females

6877

F45-49

6877

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

19400

Females

7109

F45-49

7109

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

18961

Females

6877

F45-49

6877

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18582

Females

6670

F45-49

6670

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18757

Females

6751

F45-49

6751

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17537

Females

6155

F45-49

6155

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

15436

Females

5147

F45-49

5147

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15991

Females

5591

F45-49

5591

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15429

Females

5412

F45-49

5412

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15573

Females

5563

F45-49

5563

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16052

Females

5917

F45-49

5917

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15861

Females

5851

F45-49

5851

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15924

Females

6004

F45-49

6004

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15260

Females

5701

F45-49

5701

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16178

Females

6122

F45-49

6122

Passing Analysis

Category:
Athletes Passed
2845
Passed By
848
Net Change
+1997
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19289
5K → 10K233270-37#19289#19326
10K → 15K288128+160#19326#19166
15K → 20K287109+178#19166#18988
20K → Half2826+2#18988#18986
Half → 25K28938+251#18986#18735
25K → 30K68814+674#18735#18061
30K → 20M20135+166#18061#17895
20M → 21M18729+158#17895#17737
21M → 35K11718+99#17737#17638
35K → 23M16857+111#17638#17527
23M → 24M11730+87#17527#17440
24M → 40K10138+63#17440#17377
40K → 25.2M5114+37#17377#17340
25.2M → Finish9042+48#17340#17292
TOTALS2845848+1997
📊

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