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BOSTON MARATHON 2025

Megan Brown

Bib: 10405•F

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0:00
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:28
Rank: #9751
Start → 5K
22:28 | 7:14/mi
10K· 6.21 mi
45:09
Rank: #10047 (-296)
5K → 10K
22:41 | 7:18/mi
15K· 9.32 mi
1:07:47
Rank: #9966 (+81)
10K → 15K
22:38 | 7:17/mi
20K· 12.43 mi
1:30:24
Rank: #9638 (+328)
15K → 20K
22:37 | 7:17/mi
Half· 13.11 mi
1:35:12
Rank: #9523 (+115)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:52:32
Rank: #9068 (+455)
Half → 25K
17:20 | 7:09/mi
30K· 18.64 mi
2:15:29
Rank: #8578 (+490)
25K → 30K
22:57 | 7:23/mi
20M
2:25:26
Rank: #8306 (+272)
30K → 20M
9:57 | 7:19/mi
21M
2:33:12
Rank: #8097 (+209)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:38:23
Rank: #7911 (+186)
21M → 35K
5:11 | 6:56/mi
23M
2:47:21
Rank: #7647 (+264)
35K → 23M
8:58 | 7:10/mi
24M
2:54:26
Rank: #7477 (+170)
23M → 24M
7:05 | 7:05/mi
40K· 24.85 mi
3:00:28
Rank: #7300 (+177)
24M → 40K
6:02 | 7:03/mi
25.2M
3:03:04
Rank: #7216 (+84)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:09:45
Rank: #6988 (+228)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:35:12
Pace7:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:33
Pace7:13 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1722:287:1422:28
7:14
-
10K
6.21 mi11:10:5845:097:1622:41
7:18
+0:04
15K
9.32 mi11:33:361:07:477:1622:38
7:17
-0:01
20K
12.43 mi11:56:131:30:247:1622:37
7:17
0:00
Half
13.11 mi12:01:011:35:127:164:48
7:02
-0:15
25K
15.53 mi12:18:211:52:327:1517:20
7:09
+0:07
30K
18.64 mi12:41:182:15:297:1622:57
7:23
+0:14
20M
20.00 mi12:51:152:25:267:169:57
7:19
-0:04
21M
21.00 mi12:59:012:33:127:187:46
7:46
+0:27
35K
21.75 mi13:04:122:38:237:175:11
6:56
-0:50
23M
23.00 mi13:13:102:47:217:178:58
7:10
+0:14
24M
24.00 mi13:20:152:54:267:167:05
7:05
-0:05
40K
24.85 mi13:26:173:00:287:166:02
7:03
-0:02
25.2M
25.20 mi13:28:533:03:047:162:36
7:32
+0:29
Finish
26.22 mi13:35:343:09:457:156:41
6:34
-0:58

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

6:34 /mi

Average Pace

7:15 /mi

Slowest Pace

7:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:05

30% of race

Time at Steady Pace

2:05:54

66% of race

Time at Slower Pace

7:46

4% of race

Average Pace: 7:14 /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 mi10:48:1722:287:1422:28
7:14
#9751
10K
6.21 mi11:10:5845:097:1622:41
7:18
#10047
15K
9.32 mi11:33:361:07:477:1622:38
7:17
#9966
20K
12.43 mi11:56:131:30:247:1622:37
7:17
#9638
Half
13.11 mi12:01:011:35:127:164:48
7:02
#9523
25K
15.53 mi12:18:211:52:327:1517:20
7:09
#9068
30K
18.64 mi12:41:182:15:297:1622:57
7:23
#8578
20M
20.00 mi12:51:152:25:267:169:57
7:19
#8306
21M
21.00 mi12:59:012:33:127:187:46
7:46
#8097
35K
21.75 mi13:04:122:38:237:175:11
6:56
#7911
23M
23.00 mi13:13:102:47:217:178:58
7:10
#7647
24M
24.00 mi13:20:152:54:267:167:05
7:05
#7477
40K
24.85 mi13:26:173:00:287:166:02
7:03
#7300
25.2M
25.20 mi13:28:533:03:047:162:36
7:32
#7216
Finish
26.22 mi13:35:343:09:457:156:41
6:34
#6988
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9751169016909885(Top 35%)1831(Top 15%)1831(Top 33%)
10K6.21 mi3.10 mi10047-2961827-1371827-13710354(Top 36%)1982(Top 16%)1982(Top 36%)
15K9.32 mi3.11 mi9966+811826+11826+19885(Top 35%)1831(Top 15%)1831(Top 33%)
20K12.43 mi3.11 mi9638+3281701+1251701+1258880(Top 31%)1464(Top 12%)1464(Top 27%)
Half13.11 mi0.68 mi9523+1151658+431658+437883(Top 28%)1042(Top 9%)1042(Top 19%)
25K15.53 mi2.42 mi9068+4551477+1811477+1817280(Top 26%)955(Top 8%)955(Top 17%)
30K18.64 mi3.11 mi8578+4901329+1481329+1486985(Top 25%)1003(Top 8%)1003(Top 18%)
20M20.00 mi1.36 mi8306+2721250+791250+795956(Top 21%)776(Top 6%)776(Top 14%)
21M21.00 mi1.00 mi8097+2091212+381212+386022(Top 21%)930(Top 8%)930(Top 17%)
35K21.75 mi0.75 mi7911+1861165+471165+474984(Top 18%)615(Top 5%)615(Top 11%)
23M23.00 mi1.25 mi7647+2641113+521113+524683(Top 16%)584(Top 5%)584(Top 11%)
24M24.00 mi1.00 mi7477+1701088+251088+255158(Top 18%)786(Top 6%)786(Top 14%)
40K24.85 mi0.85 mi7300+1771049+391049+394259(Top 15%)574(Top 5%)574(Top 10%)
25.2M25.20 mi0.35 mi7216+841028+211028+213685(Top 13%)487(Top 4%)487(Top 9%)
Finish26.22 mi1.02 mi6988+228984+44984+443146(Top 11%)350(Top 3%)350(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9885

Females

1831

F18-39

1831

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10354

Females

1982

F18-39

1982

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9885

Females

1831

F18-39

1831

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8880

Females

1464

F18-39

1464

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7883

Females

1042

F18-39

1042

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7280

Females

955

F18-39

955

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6985

Females

1003

F18-39

1003

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5956

Females

776

F18-39

776

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

6022

Females

930

F18-39

930

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4984

Females

615

F18-39

615

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4683

Females

584

F18-39

584

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5158

Females

786

F18-39

786

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4259

Females

574

F18-39

574

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3685

Females

487

F18-39

487

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3146

Females

350

F18-39

350

Passing Analysis

Category:
Athletes Passed
3413*
Passed By
648
Net Change
+2763
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9751
5K → 10K120414-296#9751#10047
10K → 15K216*135+81#10047#9966
15K → 20K36335+328#9966#9638
20K → Half1161+115#9638#9523
Half → 25K4649+455#9523#9068
25K → 30K51727+490#9068#8578
30K → 20M2775+272#8578#8306
20M → 21M2167+209#8306#8097
21M → 35K1860+186#8097#7911
35K → 23M2662+264#7911#7647
23M → 24M1777+170#7647#7477
24M → 40K1803+177#7477#7300
40K → 25.2M851+84#7300#7216
25.2M → Finish2302+228#7216#6988
TOTALS3413*648+2763

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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