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BOSTON MARATHON 2025

Jessie Brown

Bib: 20109•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 44%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:44
Rank: #20485
Start → 5K
26:44 | 8:36/mi
10K· 6.21 mi
53:17
Rank: #20274 (+211)
5K → 10K
26:33 | 8:33/mi
15K· 9.32 mi
1:20:10
Rank: #20218 (+56)
10K → 15K
26:53 | 8:39/mi
20K· 12.43 mi
1:47:06
Rank: #19968 (+250)
15K → 20K
26:56 | 8:40/mi
Half· 13.11 mi
1:52:59
Rank: #19964 (+4)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:13:57
Rank: #19640 (+324)
Half → 25K
20:58 | 8:39/mi
30K· 18.64 mi
2:41:26
Rank: #19107 (+533)
25K → 30K
27:29 | 8:51/mi
20M
2:53:41
Rank: #18930 (+177)
30K → 20M
12:15 | 9:01/mi
21M
3:03:13
Rank: #18757 (+173)
20M → 21M
9:32 | 9:32/mi
35K· 21.75 mi
3:09:55
Rank: #18719 (+38)
21M → 35K
6:42 | 8:57/mi
23M
3:21:07
Rank: #18545 (+174)
35K → 23M
11:12 | 8:57/mi
24M
3:29:44
Rank: #18378 (+167)
23M → 24M
8:37 | 8:37/mi
40K· 24.85 mi
3:37:10
Rank: #18234 (+144)
24M → 40K
7:26 | 8:42/mi
25.2M
3:40:27
Rank: #18184 (+50)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:48:51
Rank: #18057 (+127)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:59
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time1:55:52
Pace8:50 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4826:448:3626:44
8:36
-
10K
6.21 mi11:46:2153:178:3526:33
8:33
-0:03
15K
9.32 mi12:13:141:20:108:3626:53
8:39
+0:06
20K
12.43 mi12:40:101:47:068:3726:56
8:40
+0:01
Half
13.11 mi12:46:031:52:598:375:53
8:37
-0:03
25K
15.53 mi13:07:012:13:578:3720:58
8:39
+0:02
30K
18.64 mi13:34:302:41:268:4027:29
8:51
+0:12
20M
20.00 mi13:46:452:53:418:4112:15
9:01
+0:10
21M
21.00 mi13:56:173:03:138:439:32
9:32
+0:31
35K
21.75 mi14:02:593:09:558:446:42
8:57
-0:35
23M
23.00 mi14:14:113:21:078:4511:12
8:57
0:00
24M
24.00 mi14:22:483:29:448:448:37
8:37
-0:20
40K
24.85 mi14:30:143:37:108:447:26
8:42
+0:05
25.2M
25.20 mi14:33:313:40:278:453:17
9:31
+0:49
Finish
26.22 mi14:41:553:48:518:448:24
8:15
-1:16

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

8:44 /mi

Slowest Pace

9:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:02

94% of race

Time at Steady Pace

12:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:44 /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 mi11:19:4826:448:3626:44
8:36
#20485
10K
6.21 mi11:46:2153:178:3526:33
8:33
#20274
15K
9.32 mi12:13:141:20:108:3626:53
8:39
#20218
20K
12.43 mi12:40:101:47:068:3726:56
8:40
#19968
Half
13.11 mi12:46:031:52:598:375:53
8:37
#19964
25K
15.53 mi13:07:012:13:578:3720:58
8:39
#19640
30K
18.64 mi13:34:302:41:268:4027:29
8:51
#19107
20M
20.00 mi13:46:452:53:418:4112:15
9:01
#18930
21M
21.00 mi13:56:173:03:138:439:32
9:32
#18757
35K
21.75 mi14:02:593:09:558:446:42
8:57
#18719
23M
23.00 mi14:14:113:21:078:4511:12
8:57
#18545
24M
24.00 mi14:22:483:29:448:448:37
8:37
#18378
40K
24.85 mi14:30:143:37:108:447:26
8:42
#18234
25.2M
25.20 mi14:33:313:40:278:453:17
9:31
#18184
Finish
26.22 mi14:41:553:48:518:448:24
8:15
#18057
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi204857793779320231(Top 71%)7561(Top 62%)7561(Top 440%)
10K6.21 mi3.10 mi20274+2117634+1597634+15920074(Top 71%)7506(Top 61%)7506(Top 437%)
15K9.32 mi3.11 mi20218+567596+387596+3820231(Top 71%)7561(Top 62%)7561(Top 440%)
20K12.43 mi3.11 mi19968+2507454+1427454+14219258(Top 68%)7054(Top 58%)7054(Top 411%)
Half13.11 mi0.68 mi19964+47457-37457-319937(Top 70%)7425(Top 61%)7425(Top 432%)
25K15.53 mi2.42 mi19640+3247285+1727285+17218089(Top 64%)6477(Top 53%)6477(Top 377%)
30K18.64 mi3.11 mi19107+5337021+2647021+26416882(Top 59%)5974(Top 49%)5974(Top 348%)
20M20.00 mi1.36 mi18930+1776935+866935+8616879(Top 59%)6078(Top 50%)6078(Top 354%)
21M21.00 mi1.00 mi18757+1736868+676868+6716250(Top 57%)5846(Top 48%)5846(Top 340%)
35K21.75 mi0.75 mi18719+386861+76861+718035(Top 63%)6917(Top 57%)6917(Top 403%)
23M23.00 mi1.25 mi18545+1746792+696792+6915982(Top 56%)5882(Top 48%)5882(Top 342%)
24M24.00 mi1.00 mi18378+1676724+686724+6815301(Top 54%)5551(Top 45%)5551(Top 323%)
40K24.85 mi0.85 mi18234+1446673+516673+5114633(Top 52%)5332(Top 44%)5332(Top 310%)
25.2M25.20 mi0.35 mi18184+506661+126661+1214789(Top 52%)5459(Top 45%)5459(Top 318%)
Finish26.22 mi1.02 mi18057+1276602+596602+5914612(Top 51%)5280(Top 43%)5280(Top 307%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

20231

Females

7561

F40-44

7561

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

20074

Females

7506

F40-44

7506

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

20231

Females

7561

F40-44

7561

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19258

Females

7054

F40-44

7054

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19937

Females

7425

F40-44

7425

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18089

Females

6477

F40-44

6477

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16882

Females

5974

F40-44

5974

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16879

Females

6078

F40-44

6078

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16250

Females

5846

F40-44

5846

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

18035

Females

6917

F40-44

6917

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15982

Females

5882

F40-44

5882

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

15301

Females

5551

F40-44

5551

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14633

Females

5332

F40-44

5332

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14789

Females

5459

F40-44

5459

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14612

Females

5280

F40-44

5280

Passing Analysis

Category:
Athletes Passed
3083
Passed By
655
Net Change
+2428
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20485
5K → 10K412201+211#20485#20274
10K → 15K207151+56#20274#20218
15K → 20K32575+250#20218#19968
20K → Half3430+4#19968#19964
Half → 25K34622+324#19964#19640
25K → 30K55522+533#19640#19107
30K → 20M20225+177#19107#18930
20M → 21M20431+173#18930#18757
21M → 35K6931+38#18757#18719
35K → 23M19925+174#18719#18545
23M → 24M1747+167#18545#18378
24M → 40K15612+144#18378#18234
40K → 25.2M566+50#18234#18184
25.2M → Finish14417+127#18184#18057
TOTALS3083655+2428
📊

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