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BOSTON MARATHON 2025

Megan Mizer

Bib: 14166•F

VA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 21%
Division (F18-39)
#0 / 5469
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:28
Rank: #12689
Start → 5K
23:28 | 7:33/mi
10K· 6.21 mi
46:56
Rank: #12609 (+80)
5K → 10K
23:28 | 7:33/mi
15K· 9.32 mi
1:10:09
Rank: #12225 (+384)
10K → 15K
23:13 | 7:28/mi
20K· 12.43 mi
1:33:43
Rank: #12008 (+217)
15K → 20K
23:34 | 7:35/mi
Half· 13.11 mi
1:38:52
Rank: #11998 (+10)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:57:22
Rank: #11812 (+186)
Half → 25K
18:30 | 7:38/mi
30K· 18.64 mi
2:21:37
Rank: #11407 (+405)
25K → 30K
24:15 | 7:48/mi
20M
2:32:18
Rank: #11212 (+195)
30K → 20M
10:41 | 7:52/mi
21M
2:40:31
Rank: #11021 (+191)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:46:20
Rank: #10974 (+47)
21M → 35K
5:49 | 7:46/mi
23M
2:56:14
Rank: #10838 (+136)
35K → 23M
9:54 | 7:54/mi
24M
3:04:06
Rank: #10777 (+61)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:10:44
Rank: #10672 (+105)
24M → 40K
6:38 | 7:45/mi
25.2M
3:13:41
Rank: #10622 (+50)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:21:30
Rank: #10591 (+31)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:52
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:42:38
Pace7:50 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3823:287:3323:28
7:33
-
10K
6.21 mi11:17:0646:567:3323:28
7:33
0:00
15K
9.32 mi11:40:191:10:097:3223:13
7:28
-0:05
20K
12.43 mi12:03:531:33:437:3223:34
7:35
+0:07
Half
13.11 mi12:09:021:38:527:325:09
7:33
-0:02
25K
15.53 mi12:27:321:57:227:3318:30
7:38
+0:05
30K
18.64 mi12:51:472:21:377:3624:15
7:48
+0:10
20M
20.00 mi13:02:282:32:187:3710:41
7:52
+0:04
21M
21.00 mi13:10:412:40:317:398:13
8:13
+0:21
35K
21.75 mi13:16:302:46:207:395:49
7:46
-0:27
23M
23.00 mi13:26:242:56:147:409:54
7:54
+0:08
24M
24.00 mi13:34:163:04:067:407:52
7:52
-0:02
40K
24.85 mi13:40:543:10:447:406:38
7:45
-0:07
25.2M
25.20 mi13:43:513:13:417:412:57
8:33
+0:48
Finish
26.22 mi13:51:403:21:307:417:49
7:40
-0:53

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

7:28 /mi

Average Pace

7:41 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:20

94% of race

Time at Steady Pace

11:10

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /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 mi10:53:3823:287:3323:28
7:33
#12689
10K
6.21 mi11:17:0646:567:3323:28
7:33
#12609
15K
9.32 mi11:40:191:10:097:3223:13
7:28
#12225
20K
12.43 mi12:03:531:33:437:3223:34
7:35
#12008
Half
13.11 mi12:09:021:38:527:325:09
7:33
#11998
25K
15.53 mi12:27:321:57:227:3318:30
7:38
#11812
30K
18.64 mi12:51:472:21:377:3624:15
7:48
#11407
20M
20.00 mi13:02:282:32:187:3710:41
7:52
#11212
21M
21.00 mi13:10:412:40:317:398:13
8:13
#11021
35K
21.75 mi13:16:302:46:207:395:49
7:46
#10974
23M
23.00 mi13:26:242:56:147:409:54
7:54
#10838
24M
24.00 mi13:34:163:04:067:407:52
7:52
#10777
40K
24.85 mi13:40:543:10:447:406:38
7:45
#10672
25.2M
25.20 mi13:43:513:13:417:412:57
8:33
#10622
Finish
26.22 mi13:51:403:21:307:417:49
7:40
#10591
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126893154315411546(Top 41%)2662(Top 22%)2662(Top 49%)
10K6.21 mi3.10 mi12609+803130+243130+2412601(Top 44%)3143(Top 26%)3143(Top 57%)
15K9.32 mi3.11 mi12225+3842961+1692961+16911546(Top 41%)2662(Top 22%)2662(Top 49%)
20K12.43 mi3.11 mi12008+2172873+882873+8811479(Top 40%)2728(Top 22%)2728(Top 50%)
Half13.11 mi0.68 mi11998+102875-22875-212150(Top 43%)3011(Top 25%)3011(Top 55%)
25K15.53 mi2.42 mi11812+1862822+532822+5310998(Top 39%)2587(Top 21%)2587(Top 47%)
30K18.64 mi3.11 mi11407+4052681+1412681+14110002(Top 35%)2288(Top 19%)2288(Top 42%)
20M20.00 mi1.36 mi11212+1952620+612620+619478(Top 33%)2203(Top 18%)2203(Top 40%)
21M21.00 mi1.00 mi11021+1912556+642556+648716(Top 31%)2043(Top 17%)2043(Top 37%)
35K21.75 mi0.75 mi10974+472559-32559-310651(Top 37%)2922(Top 24%)2922(Top 53%)
23M23.00 mi1.25 mi10838+1362525+342525+349368(Top 33%)2435(Top 20%)2435(Top 45%)
24M24.00 mi1.00 mi10777+612539-142539-1410341(Top 36%)2963(Top 24%)2963(Top 54%)
40K24.85 mi0.85 mi10672+1052508+312508+318520(Top 30%)2235(Top 18%)2235(Top 41%)
25.2M25.20 mi0.35 mi10622+502496+122496+129177(Top 32%)2614(Top 21%)2614(Top 48%)
Finish26.22 mi1.02 mi10591+312517-212517-2110496(Top 37%)3211(Top 26%)3211(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

11546

Females

2662

F18-39

2662

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12601

Females

3143

F18-39

3143

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

11546

Females

2662

F18-39

2662

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11479

Females

2728

F18-39

2728

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12150

Females

3011

F18-39

3011

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10998

Females

2587

F18-39

2587

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

10002

Females

2288

F18-39

2288

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9478

Females

2203

F18-39

2203

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8716

Females

2043

F18-39

2043

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

10651

Females

2922

F18-39

2922

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9368

Females

2435

F18-39

2435

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10341

Females

2963

F18-39

2963

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8520

Females

2235

F18-39

2235

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9177

Females

2614

F18-39

2614

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10496

Females

3211

F18-39

3211

Passing Analysis

Category:
Athletes Passed
2878
Passed By
780
Net Change
+2098
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12689
5K → 10K326246+80#12689#12609
10K → 15K44258+384#12609#12225
15K → 20K29780+217#12225#12008
20K → Half4131+10#12008#11998
Half → 25K25569+186#11998#11812
25K → 30K44742+405#11812#11407
30K → 20M21621+195#11407#11212
20M → 21M21625+191#11212#11021
21M → 35K7629+47#11021#10974
35K → 23M17640+136#10974#10838
23M → 24M10847+61#10838#10777
24M → 40K12520+105#10777#10672
40K → 25.2M6717+50#10672#10622
25.2M → Finish8655+31#10622#10591
TOTALS2878780+2098
📊

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