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BOSTON MARATHON 2025

Mary Lawrence

Bib: 21588•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 48%
Division (F45-49)
#0 / 1813
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
7:46/mi
24:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:07
↑ 79↓ 1380.4%
15K· 9.32 mi
9:03/mi
1:16:14
↑ 67↓ 78
20K· 12.43 mi
8:42/mi
1:43:16
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:48:45
↑ 19↓ 370.5%
25K· 15.53 mi
9:32/mi
2:11:52
↑ 66↓ 880.2%
30K· 18.64 mi
9:42/mi
2:41:59
↑ 181↓ 1480.2%
20M
9:33/mi
2:54:57
↑ 64↓ 500.2%
21M
10:07/mi
3:05:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
3:11:31
↑ 17↓ 861.7%
23M
9:21/mi
3:23:14
↑ 23↓ 630.6%
24M
8:34/mi
3:31:48
↓ 821.3%
40K· 24.85 mi
9:16/mi
3:39:43
↓ 200.3%
25.2M
10:18/mi
3:43:16
↑ 13↓ 160.2%
Finish· 26.22 mi
8:26/mi
3:51:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:45
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:03:07
Pace9:24 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4224:097:4624:09
7:46
-
10K
6.21 mi11:42:4048:077:4523:58
7:43
-0:03
15K
9.32 mi12:10:471:16:148:1128:07
9:03
+1:20
20K
12.43 mi12:37:491:43:168:1927:02
8:42
-0:21
Half
13.11 mi12:43:181:48:458:185:29
8:02
-0:40
25K
15.53 mi13:06:252:11:528:2923:07
9:32
+1:30
30K
18.64 mi13:36:322:41:598:4130:07
9:42
+0:10
20M
20.00 mi13:49:302:54:578:4512:58
9:33
-0:09
21M
21.00 mi13:59:373:05:048:4910:07
10:07
+0:34
35K
21.75 mi14:06:043:11:318:486:27
8:37
-1:30
23M
23.00 mi14:17:473:23:148:5011:43
9:21
+0:44
24M
24.00 mi14:26:213:31:488:508:34
8:34
-0:47
40K
24.85 mi14:34:163:39:438:507:55
9:16
+0:42
25.2M
25.20 mi14:37:493:43:168:523:33
10:18
+1:02
Finish
26.22 mi14:46:253:51:528:518:36
8:26
-1:52

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

7:43 /mi

Average Pace

8:51 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:13

33% of race

Time at Steady Pace

1:14:47

32% of race

Time at Slower Pace

1:19:52

34% of race

Average Pace: 8:51 /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 mi11:18:4224:097:4624:09
7:46
#14597
10K
6.21 mi11:42:4048:077:4523:58
7:43
#14287
15K
9.32 mi12:10:471:16:148:1128:07
9:03
#17632
20K
12.43 mi12:37:491:43:168:1927:02
8:42
#18058
Half
13.11 mi12:43:181:48:458:185:29
8:02
#17959
25K
15.53 mi13:06:252:11:528:2923:07
9:32
#18843
30K
18.64 mi13:36:322:41:598:4130:07
9:42
#19280
20M
20.00 mi13:49:302:54:578:4512:58
9:33
#19273
21M
21.00 mi13:59:373:05:048:4910:07
10:07
#19248
35K
21.75 mi14:06:043:11:318:486:27
8:37
#19150
23M
23.00 mi14:17:473:23:148:5011:43
9:21
#19084
24M
24.00 mi14:26:213:31:488:508:34
8:34
#18914
40K
24.85 mi14:34:163:39:438:507:55
9:16
#18833
25.2M
25.20 mi14:37:493:43:168:523:33
10:18
#18832
Finish
26.22 mi14:46:253:51:528:518:36
8:26
#18716
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi145974281428122249(Top 78%)8689(Top 71%)8689(Top 479%)
10K6.21 mi3.10 mi14287+3104112+1694112+16914047(Top 49%)3987(Top 33%)3987(Top 220%)
15K9.32 mi3.11 mi17632-33456102-19906102-199022249(Top 78%)8689(Top 71%)8689(Top 479%)
20K12.43 mi3.11 mi18058-4266366-2646366-26419427(Top 68%)7157(Top 59%)7157(Top 395%)
Half13.11 mi0.68 mi17959+996315+516315+5116279(Top 57%)5366(Top 44%)5366(Top 296%)
25K15.53 mi2.42 mi18843-8846823-5086823-50821976(Top 77%)8634(Top 71%)8634(Top 476%)
30K18.64 mi3.11 mi19280-4377116-2937116-29320675(Top 73%)8031(Top 66%)8031(Top 443%)
20M20.00 mi1.36 mi19273+77140-247140-2419365(Top 68%)7455(Top 61%)7455(Top 411%)
21M21.00 mi1.00 mi19248+257145-57145-518739(Top 66%)7197(Top 59%)7197(Top 397%)
35K21.75 mi0.75 mi19150+987103+427103+4216243(Top 57%)5928(Top 48%)5928(Top 327%)
23M23.00 mi1.25 mi19084+667093+107093+1018063(Top 64%)7012(Top 57%)7012(Top 387%)
24M24.00 mi1.00 mi18914+1707026+677026+6714988(Top 53%)5383(Top 44%)5383(Top 297%)
40K24.85 mi0.85 mi18833+817009+177009+1717674(Top 62%)6961(Top 57%)6961(Top 384%)
25.2M25.20 mi0.35 mi18832+17015-67015-618304(Top 64%)7292(Top 60%)7292(Top 402%)
Finish26.22 mi1.02 mi18716+1166971+446971+4415872(Top 56%)5961(Top 49%)5961(Top 329%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22249

Females

8689

F45-49

8689

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

14047

Females

3987

F45-49

3987

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22249

Females

8689

F45-49

8689

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19427

Females

7157

F45-49

7157

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16279

Females

5366

F45-49

5366

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

21976

Females

8634

F45-49

8634

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20675

Females

8031

F45-49

8031

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

19365

Females

7455

F45-49

7455

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18739

Females

7197

F45-49

7197

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16243

Females

5928

F45-49

5928

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18063

Females

7012

F45-49

7012

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14988

Females

5383

F45-49

5383

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17674

Females

6961

F45-49

6961

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18304

Females

7292

F45-49

7292

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

15872

Females

5961

F45-49

5961

Passing Analysis

Category:
Athletes Passed
1674
Passed By
5793
Net Change
-4119
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14597
5K → 10K461151+310#14597#14287
10K → 15K43349-3345#14287#17632
15K → 20K80506-426#17632#18058
20K → Half1012+99#18058#17959
Half → 25K27911-884#17959#18843
25K → 30K107544-437#18843#19280
30K → 20M10396+7#19280#19273
20M → 21M11489+25#19273#19248
21M → 35K10810+98#19248#19150
35K → 23M11953+66#19150#19084
23M → 24M1777+170#19084#18914
24M → 40K10827+81#18914#18833
40K → 25.2M2524+1#18833#18832
25.2M → Finish14024+116#18832#18716
TOTALS16745793-4119
📊

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