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BOSTON MARATHON 2025

Sheila Pearson

Bib: 23975•F

CA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:59
Rank: #19108
Start → 5K
25:59 | 8:22/mi
10K· 6.21 mi
51:37
Rank: #18669 (+439)
5K → 10K
25:38 | 8:15/mi
15K· 9.32 mi
1:17:24
Rank: #18434 (+235)
10K → 15K
25:47 | 8:18/mi
20K· 12.43 mi
1:44:19
Rank: #18621 (-187)
15K → 20K
26:55 | 8:40/mi
Half· 13.11 mi
1:50:21
Rank: #18754 (-133)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:12:57
Rank: #19253 (-499)
Half → 25K
22:36 | 9:19/mi
30K· 18.64 mi
2:44:02
Rank: #19860 (-607)
25K → 30K
31:05 | 10:00/mi
20M
2:58:09
Rank: #20120 (-260)
30K → 20M
14:07 | 10:23/mi
21M
3:08:41
Rank: #20121 (-1)
20M → 21M
10:32 | 10:32/mi
35K· 21.75 mi
3:15:26
Rank: #20053 (+68)
21M → 35K
6:45 | 9:01/mi
23M
3:27:24
Rank: #20001 (+52)
35K → 23M
11:58 | 9:33/mi
24M
3:36:28
Rank: #19891 (+110)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:44:25
Rank: #19815 (+76)
24M → 40K
7:57 | 9:18/mi
25.2M
3:47:52
Rank: #19777 (+38)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:57:02
Rank: #19749 (+28)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:21
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:06:41
Pace9:40 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5325:598:2225:59
8:22
-
10K
6.21 mi11:49:3151:378:1825:38
8:15
-0:07
15K
9.32 mi12:15:181:17:248:1825:47
8:18
+0:03
20K
12.43 mi12:42:131:44:198:2426:55
8:40
+0:22
Half
13.11 mi12:48:151:50:218:256:02
8:51
+0:11
25K
15.53 mi13:10:512:12:578:3422:36
9:19
+0:28
30K
18.64 mi13:41:562:44:028:4831:05
10:00
+0:41
20M
20.00 mi13:56:032:58:098:5414:07
10:23
+0:23
21M
21.00 mi14:06:353:08:418:5910:32
10:32
+0:09
35K
21.75 mi14:13:203:15:268:596:45
9:01
-1:31
23M
23.00 mi14:25:183:27:249:0111:58
9:33
+0:32
24M
24.00 mi14:34:223:36:289:019:04
9:04
-0:29
40K
24.85 mi14:42:193:44:259:027:57
9:18
+0:14
25.2M
25.20 mi14:45:463:47:529:033:27
10:00
+0:42
Finish
26.22 mi14:54:563:57:029:039:10
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

8:15 /mi

Average Pace

9:03 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:19

44% of race

Time at Steady Pace

1:01:34

26% of race

Time at Slower Pace

1:11:09

30% of race

Average Pace: 9:02 /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 mi11:23:5325:598:2225:59
8:22
#19108
10K
6.21 mi11:49:3151:378:1825:38
8:15
#18669
15K
9.32 mi12:15:181:17:248:1825:47
8:18
#18434
20K
12.43 mi12:42:131:44:198:2426:55
8:40
#18621
Half
13.11 mi12:48:151:50:218:256:02
8:51
#18754
25K
15.53 mi13:10:512:12:578:3422:36
9:19
#19253
30K
18.64 mi13:41:562:44:028:4831:05
10:00
#19860
20M
20.00 mi13:56:032:58:098:5414:07
10:23
#20120
21M
21.00 mi14:06:353:08:418:5910:32
10:32
#20121
35K
21.75 mi14:13:203:15:268:596:45
9:01
#20053
23M
23.00 mi14:25:183:27:249:0111:58
9:33
#20001
24M
24.00 mi14:34:223:36:289:019:04
9:04
#19891
40K
24.85 mi14:42:193:44:259:027:57
9:18
#19815
25.2M
25.20 mi14:45:463:47:529:033:27
10:00
#19777
Finish
26.22 mi14:54:563:57:029:039:10
9:00
#19749
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi191086969696918065(Top 64%)6363(Top 52%)6363(Top 488%)
10K6.21 mi3.10 mi18669+4396722+2476722+24718244(Top 64%)6454(Top 53%)6454(Top 495%)
15K9.32 mi3.11 mi18434+2356587+1356587+13518065(Top 64%)6363(Top 52%)6363(Top 488%)
20K12.43 mi3.11 mi18621-1876687-1006687-10019230(Top 68%)7041(Top 58%)7041(Top 540%)
Half13.11 mi0.68 mi18754-1336763-766763-7621135(Top 74%)8106(Top 66%)8106(Top 622%)
25K15.53 mi2.42 mi19253-4997057-2947057-29421263(Top 75%)8239(Top 67%)8239(Top 632%)
30K18.64 mi3.11 mi19860-6077440-3837440-38321613(Top 76%)8562(Top 70%)8562(Top 657%)
20M20.00 mi1.36 mi20120-2607622-1827622-18222116(Top 78%)8960(Top 73%)8960(Top 688%)
21M21.00 mi1.00 mi20121-17651-297651-2920122(Top 71%)7977(Top 65%)7977(Top 612%)
35K21.75 mi0.75 mi20053+687625+267625+2618380(Top 65%)7123(Top 58%)7123(Top 547%)
23M23.00 mi1.25 mi20001+527617+87617+818943(Top 67%)7484(Top 61%)7484(Top 574%)
24M24.00 mi1.00 mi19891+1107590+277590+2717736(Top 62%)6902(Top 56%)6902(Top 530%)
40K24.85 mi0.85 mi19815+767564+267564+2617878(Top 63%)7077(Top 58%)7077(Top 543%)
25.2M25.20 mi0.35 mi19777+387543+217543+2117146(Top 60%)6684(Top 55%)6684(Top 513%)
Finish26.22 mi1.02 mi19749+287543754319053(Top 67%)7632(Top 62%)7632(Top 586%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18065

Females

6363

F50-54

6363

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18244

Females

6454

F50-54

6454

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18065

Females

6363

F50-54

6363

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19230

Females

7041

F50-54

7041

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21135

Females

8106

F50-54

8106

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

21263

Females

8239

F50-54

8239

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21613

Females

8562

F50-54

8562

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22116

Females

8960

F50-54

8960

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20122

Females

7977

F50-54

7977

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18380

Females

7123

F50-54

7123

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

18943

Females

7484

F50-54

7484

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17736

Females

6902

F50-54

6902

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17878

Females

7077

F50-54

7077

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17146

Females

6684

F50-54

6684

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

19053

Females

7632

F50-54

7632

Passing Analysis

Category:
Athletes Passed
1844
Passed By
2485
Net Change
-641
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19108
5K → 10K548109+439#19108#18669
10K → 15K31681+235#18669#18434
15K → 20K137324-187#18434#18621
20K → Half15148-133#18621#18754
Half → 25K64563-499#18754#19253
25K → 30K80687-607#19253#19860
30K → 20M50310-260#19860#20120
20M → 21M9293-1#20120#20121
21M → 35K9022+68#20121#20053
35K → 23M10856+52#20053#20001
23M → 24M12818+110#20001#19891
24M → 40K9721+76#19891#19815
40K → 25.2M468+38#19815#19777
25.2M → Finish7345+28#19777#19749
TOTALS18442485-641
📊

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