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BOSTON MARATHON 2025

Juliann Naughton

Bib: 18399•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Masters (Masters Women)
#0 / 6759
Top 16%
Division (F40-44)
#0 / 1718
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:52
Rank: #18867
Start → 5K
25:52 | 8:20/mi
10K· 6.21 mi
52:04
Rank: #19119 (-252)
5K → 10K
26:12 | 8:26/mi
15K· 9.32 mi
1:17:51
Rank: #18743 (+376)
10K → 15K
25:47 | 8:18/mi
20K· 12.43 mi
1:43:46
Rank: #18312 (+431)
15K → 20K
25:55 | 8:21/mi
Half· 13.11 mi
1:49:14
Rank: #18186 (+126)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:08:16
Rank: #17322 (+864)
Half → 25K
19:02 | 7:51/mi
30K· 18.64 mi
2:32:50
Rank: #16200 (+1122)
25K → 30K
24:34 | 7:54/mi
20M
2:43:23
Rank: #15620 (+580)
30K → 20M
10:33 | 7:46/mi
21M
2:51:22
Rank: #15102 (+518)
20M → 21M
7:59 | 7:59/mi
35K· 21.75 mi
2:57:01
Rank: #14864 (+238)
21M → 35K
5:39 | 7:33/mi
23M
3:06:30
Rank: #14392 (+472)
35K → 23M
9:29 | 7:34/mi
24M
3:13:48
Rank: #14024 (+368)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
3:19:59
Rank: #13618 (+406)
24M → 40K
6:11 | 7:14/mi
25.2M
3:22:34
Rank: #13410 (+208)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:29:18
Rank: #13009 (+401)
25.2M → Finish
6:44 | 6:36/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:49:14
Pace8:20 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:04
Pace7:38 /mi
📊Negative Split: 8.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5325:528:2025:52
8:20
-
10K
6.21 mi11:43:0552:048:2326:12
8:26
+0:06
15K
9.32 mi12:08:521:17:518:2125:47
8:18
-0:08
20K
12.43 mi12:34:471:43:468:2125:55
8:21
+0:03
Half
13.11 mi12:40:151:49:148:205:28
8:01
-0:20
25K
15.53 mi12:59:172:08:168:1519:02
7:51
-0:10
30K
18.64 mi13:23:512:32:508:1224:34
7:54
+0:03
20M
20.00 mi13:34:242:43:238:1010:33
7:46
-0:08
21M
21.00 mi13:42:232:51:228:107:59
7:59
+0:13
35K
21.75 mi13:48:022:57:018:085:39
7:33
-0:26
23M
23.00 mi13:57:313:06:308:079:29
7:34
+0:01
24M
24.00 mi14:04:493:13:488:057:18
7:18
-0:16
40K
24.85 mi14:11:003:19:598:036:11
7:14
-0:04
25.2M
25.20 mi14:13:353:22:348:022:35
7:29
+0:15
Finish
26.22 mi14:20:193:29:187:596:44
6:36
-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

6:36 /mi

Average Pace

7:59 /mi

Slowest Pace

8:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:56

18% of race

Time at Steady Pace

1:07:36

32% of race

Time at Slower Pace

1:43:46

50% of race

Average Pace: 7:59 /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 mi11:16:5325:528:2025:52
8:20
#18867
10K
6.21 mi11:43:0552:048:2326:12
8:26
#19119
15K
9.32 mi12:08:521:17:518:2125:47
8:18
#18743
20K
12.43 mi12:34:471:43:468:2125:55
8:21
#18312
Half
13.11 mi12:40:151:49:148:205:28
8:01
#18186
25K
15.53 mi12:59:172:08:168:1519:02
7:51
#17322
30K
18.64 mi13:23:512:32:508:1224:34
7:54
#16200
20M
20.00 mi13:34:242:43:238:1010:33
7:46
#15620
21M
21.00 mi13:42:232:51:228:107:59
7:59
#15102
35K
21.75 mi13:48:022:57:018:085:39
7:33
#14864
23M
23.00 mi13:57:313:06:308:079:29
7:34
#14392
24M
24.00 mi14:04:493:13:488:057:18
7:18
#14024
40K
24.85 mi14:11:003:19:598:036:11
7:14
#13618
25.2M
25.20 mi14:13:353:22:348:022:35
7:29
#13410
Finish
26.22 mi14:20:193:29:187:596:44
6:36
#13009
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi188676828682818041(Top 64%)6339(Top 52%)6339(Top 369%)
10K6.21 mi3.10 mi19119-2526968-1406968-14019387(Top 68%)7096(Top 58%)7096(Top 413%)
15K9.32 mi3.11 mi18743+3766757+2116757+21118041(Top 64%)6339(Top 52%)6339(Top 369%)
20K12.43 mi3.11 mi18312+4316517+2406517+24017169(Top 60%)5864(Top 48%)5864(Top 341%)
Half13.11 mi0.68 mi18186+1266449+686449+6815992(Top 56%)5153(Top 42%)5153(Top 300%)
25K15.53 mi2.42 mi17322+8645952+4975952+49712773(Top 45%)3544(Top 29%)3544(Top 206%)
30K18.64 mi3.11 mi16200+11225338+6145338+61410716(Top 38%)2658(Top 22%)2658(Top 155%)
20M20.00 mi1.36 mi15620+5805047+2915047+2918830(Top 31%)1911(Top 16%)1911(Top 111%)
21M21.00 mi1.00 mi15102+5184784+2634784+2637303(Top 26%)1443(Top 12%)1443(Top 84%)
35K21.75 mi0.75 mi14864+2384656+1284656+1289088(Top 32%)2182(Top 18%)2182(Top 127%)
23M23.00 mi1.25 mi14392+4724433+2234433+2237121(Top 25%)1465(Top 12%)1465(Top 85%)
24M24.00 mi1.00 mi14024+3684277+1564277+1566463(Top 23%)1260(Top 10%)1260(Top 73%)
40K24.85 mi0.85 mi13618+4064069+2084069+2085285(Top 19%)884(Top 7%)884(Top 51%)
25.2M25.20 mi0.35 mi13410+2083959+1103959+1103477(Top 12%)444(Top 4%)444(Top 26%)
Finish26.22 mi1.02 mi13009+4013764+1953764+1953411(Top 12%)419(Top 3%)419(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18041

Females

6339

F40-44

6339

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

19387

Females

7096

F40-44

7096

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18041

Females

6339

F40-44

6339

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

17169

Females

5864

F40-44

5864

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15992

Females

5153

F40-44

5153

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12773

Females

3544

F40-44

3544

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10716

Females

2658

F40-44

2658

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8830

Females

1911

F40-44

1911

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7303

Females

1443

F40-44

1443

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9088

Females

2182

F40-44

2182

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7121

Females

1465

F40-44

1465

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6463

Females

1260

F40-44

1260

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5285

Females

884

F40-44

884

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3477

Females

444

F40-44

444

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3411

Females

419

F40-44

419

Passing Analysis

Category:
Athletes Passed
6360
Passed By
502
Net Change
+5858
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18867
5K → 10K159411-252#18867#19119
10K → 15K42549+376#19119#18743
15K → 20K46837+431#18743#18312
20K → Half1282+126#18312#18186
Half → 25K8640+864#18186#17322
25K → 30K11231+1122#17322#16200
30K → 20M5800+580#16200#15620
20M → 21M5180+518#15620#15102
21M → 35K2391+238#15102#14864
35K → 23M4720+472#14864#14392
23M → 24M3691+368#14392#14024
24M → 40K4060+406#14024#13618
40K → 25.2M2080+208#13618#13410
25.2M → Finish4010+401#13410#13009
TOTALS6360502+5858
📊

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