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BOSTON MARATHON 2025

Meg Naylor

Bib: 17671•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:13
Rank: #14781
Start → 5K
24:13 | 7:48/mi
10K· 6.21 mi
49:10
Rank: #15813 (-1032)
5K → 10K
24:57 | 8:02/mi
15K· 9.32 mi
1:14:46
Rank: #16498 (-685)
10K → 15K
25:36 | 8:14/mi
20K· 12.43 mi
1:39:22
Rank: #15888 (+610)
15K → 20K
24:36 | 7:55/mi
Half· 13.11 mi
1:44:48
Rank: #15883 (+5)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:04:06
Rank: #15460 (+423)
Half → 25K
19:18 | 7:58/mi
30K· 18.64 mi
2:30:51
Rank: #15450 (+10)
25K → 30K
26:45 | 8:37/mi
20M
2:43:26
Rank: #15642 (-192)
30K → 20M
12:35 | 9:16/mi
21M
2:53:46
Rank: #15911 (-269)
20M → 21M
10:20 | 10:20/mi
35K· 21.75 mi
3:00:37
Rank: #16013 (-102)
21M → 35K
6:51 | 9:09/mi
23M
3:12:50
Rank: #16225 (-212)
35K → 23M
12:13 | 9:45/mi
24M
3:22:25
Rank: #16444 (-219)
23M → 24M
9:35 | 9:35/mi
40K· 24.85 mi
3:30:52
Rank: #16633 (-189)
24M → 40K
8:27 | 9:53/mi
25.2M
3:34:32
Rank: #16705 (-72)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
3:44:01
Rank: #16908 (-203)
25.2M → Finish
9:29 | 9:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:48
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:59:13
Pace9:06 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3624:137:4824:13
7:48
-
10K
6.21 mi11:39:3349:107:5524:57
8:02
+0:14
15K
9.32 mi12:05:091:14:468:0125:36
8:14
+0:12
20K
12.43 mi12:29:451:39:228:0024:36
7:55
-0:19
Half
13.11 mi12:35:111:44:488:005:26
7:58
+0:03
25K
15.53 mi12:54:292:04:067:5919:18
7:58
0:00
30K
18.64 mi13:21:142:30:518:0626:45
8:37
+0:39
20M
20.00 mi13:33:492:43:268:1012:35
9:16
+0:39
21M
21.00 mi13:44:092:53:468:1610:20
10:20
+1:04
35K
21.75 mi13:51:003:00:378:186:51
9:09
-1:11
23M
23.00 mi14:03:133:12:508:2312:13
9:45
+0:36
24M
24.00 mi14:12:483:22:258:269:35
9:35
-0:10
40K
24.85 mi14:21:153:30:528:298:27
9:53
+0:18
25.2M
25.20 mi14:24:553:34:328:313:40
10:38
+0:45
Finish
26.22 mi14:34:243:44:018:339:29
9:18
-1:20

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

7:48 /mi

Average Pace

8:33 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:51

67% of race

Time at Steady Pace

38:30

17% of race

Time at Slower Pace

34:40

15% of race

Average Pace: 8:33 /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 mi11:14:3624:137:4824:13
7:48
#14781
10K
6.21 mi11:39:3349:107:5524:57
8:02
#15813
15K
9.32 mi12:05:091:14:468:0125:36
8:14
#16498
20K
12.43 mi12:29:451:39:228:0024:36
7:55
#15888
Half
13.11 mi12:35:111:44:488:005:26
7:58
#15883
25K
15.53 mi12:54:292:04:067:5919:18
7:58
#15460
30K
18.64 mi13:21:142:30:518:0626:45
8:37
#15450
20M
20.00 mi13:33:492:43:268:1012:35
9:16
#15642
21M
21.00 mi13:44:092:53:468:1610:20
10:20
#15911
35K
21.75 mi13:51:003:00:378:186:51
9:09
#16013
23M
23.00 mi14:03:133:12:508:2312:13
9:45
#16225
24M
24.00 mi14:12:483:22:258:269:35
9:35
#16444
40K
24.85 mi14:21:153:30:528:298:27
9:53
#16633
25.2M
25.20 mi14:24:553:34:328:313:40
10:38
#16705
Finish
26.22 mi14:34:243:44:018:339:29
9:18
#16908
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147814402440217664(Top 62%)6118(Top 50%)6118(Top 112%)
10K6.21 mi3.10 mi15813-10325028-6265028-62616720(Top 59%)5553(Top 45%)5553(Top 102%)
15K9.32 mi3.11 mi16498-6855434-4065434-40617664(Top 62%)6118(Top 50%)6118(Top 112%)
20K12.43 mi3.11 mi15888+6105088+3465088+34614279(Top 50%)4243(Top 35%)4243(Top 78%)
Half13.11 mi0.68 mi15883+55084+45084+415699(Top 55%)5019(Top 41%)5019(Top 92%)
25K15.53 mi2.42 mi15460+4234867+2174867+21713609(Top 48%)4009(Top 33%)4009(Top 73%)
30K18.64 mi3.11 mi15450+104919-524919-5215467(Top 54%)5160(Top 42%)5160(Top 94%)
20M20.00 mi1.36 mi15642-1925062-1435062-14318099(Top 64%)6768(Top 55%)6768(Top 124%)
21M21.00 mi1.00 mi15911-2695257-1955257-19519492(Top 69%)7609(Top 62%)7609(Top 139%)
35K21.75 mi0.75 mi16013-1025330-735330-7318994(Top 67%)7445(Top 61%)7445(Top 136%)
23M23.00 mi1.25 mi16225-2125479-1495479-14919651(Top 69%)7861(Top 64%)7861(Top 144%)
24M24.00 mi1.00 mi16444-2195636-1575636-15719930(Top 70%)8041(Top 66%)8041(Top 147%)
40K24.85 mi0.85 mi16633-1895772-1365772-13620077(Top 71%)8195(Top 67%)8195(Top 150%)
25.2M25.20 mi0.35 mi16705-725828-565828-5619499(Top 69%)7886(Top 64%)7886(Top 144%)
Finish26.22 mi1.02 mi16908-2035969-1415969-14120410(Top 72%)8342(Top 68%)8342(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17664

Females

6118

F18-39

6118

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16720

Females

5553

F18-39

5553

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17664

Females

6118

F18-39

6118

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14279

Females

4243

F18-39

4243

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15699

Females

5019

F18-39

5019

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13609

Females

4009

F18-39

4009

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

15467

Females

5160

F18-39

5160

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18099

Females

6768

F18-39

6768

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

19492

Females

7609

F18-39

7609

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

18994

Females

7445

F18-39

7445

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19651

Females

7861

F18-39

7861

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19930

Females

8041

F18-39

8041

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20077

Females

8195

F18-39

8195

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19499

Females

7886

F18-39

7886

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20410

Females

8342

F18-39

8342

Passing Analysis

Category:
Athletes Passed
1813
Passed By
3940
Net Change
-2127
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14781
5K → 10K641096-1032#14781#15813
10K → 15K59744-685#15813#16498
15K → 20K62717+610#16498#15888
20K → Half4035+5#15888#15883
Half → 25K43411+423#15883#15460
25K → 30K244234+10#15460#15450
30K → 20M78270-192#15450#15642
20M → 21M51320-269#15642#15911
21M → 35K41143-102#15911#16013
35K → 23M62274-212#16013#16225
23M → 24M35254-219#16225#16444
24M → 40K34223-189#16444#16633
40K → 25.2M1385-72#16633#16705
25.2M → Finish31234-203#16705#16908
TOTALS18133940-2127
📊

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