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BOSTON MARATHON 2025

Jennifer Dillon

Bib: 29524•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
28:56
Rank: #23599
Start → 5K
28:56 | 9:19/mi
10K· 6.21 mi
57:10
Rank: #23203 (+396)
5K → 10K
28:14 | 9:05/mi
15K· 9.32 mi
1:26:16
Rank: #23291 (-88)
10K → 15K
29:06 | 9:22/mi
20K· 12.43 mi
1:54:13
Rank: #22740 (+551)
15K → 20K
27:57 | 9:00/mi
Half· 13.11 mi
2:00:58
Rank: #22879 (-139)
20K → Half
6:45 | 9:54/mi
25K· 15.53 mi
2:22:57
Rank: #22443 (+436)
Half → 25K
21:59 | 9:04/mi
30K· 18.64 mi
2:52:13
Rank: #21931 (+512)
25K → 30K
29:16 | 9:25/mi
20M
3:05:18
Rank: #21741 (+190)
30K → 20M
13:05 | 9:38/mi
21M
3:15:51
Rank: #21640 (+101)
20M → 21M
10:33 | 10:33/mi
35K· 21.75 mi
3:23:16
Rank: #21635 (+5)
21M → 35K
7:25 | 9:55/mi
23M
3:36:07
Rank: #21612 (+23)
35K → 23M
12:51 | 10:16/mi
24M
3:46:13
Rank: #21603 (+9)
23M → 24M
10:06 | 10:06/mi
40K· 24.85 mi
3:55:00
Rank: #21574 (+29)
24M → 40K
8:47 | 10:16/mi
25.2M
3:58:49
Rank: #21569 (+5)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:08:29
Rank: #21532 (+37)
25.2M → Finish
9:40 | 9:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:58
Pace9:14 /mi
2nd Half
Distance13.11 mi
Time2:07:31
Pace9:44 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4528:569:1928:56
9:19
-
10K
6.21 mi12:16:5957:109:1228:14
9:05
-0:14
15K
9.32 mi12:46:051:26:169:1529:06
9:22
+0:17
20K
12.43 mi13:14:021:54:139:1127:57
9:00
-0:22
Half
13.11 mi13:20:472:00:589:146:45
9:54
+0:54
25K
15.53 mi13:42:462:22:579:1221:59
9:04
-0:50
30K
18.64 mi14:12:022:52:139:1429:16
9:25
+0:21
20M
20.00 mi14:25:073:05:189:1613:05
9:38
+0:13
21M
21.00 mi14:35:403:15:519:2010:33
10:33
+0:55
35K
21.75 mi14:43:053:23:169:217:25
9:55
-0:38
23M
23.00 mi14:55:563:36:079:2412:51
10:16
+0:21
24M
24.00 mi15:06:023:46:139:2610:06
10:06
-0:10
40K
24.85 mi15:14:493:55:009:278:47
10:16
+0:10
25.2M
25.20 mi15:18:383:58:499:293:49
11:04
+0:48
Finish
26.22 mi15:28:184:08:299:299:40
9:29
-1:35

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

9:00 /mi

Average Pace

9:29 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:06

43% of race

Time at Steady Pace

1:35:17

38% of race

Time at Slower Pace

46:06

19% of race

Average Pace: 9:29 /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 mi11:48:4528:569:1928:56
9:19
#23599
10K
6.21 mi12:16:5957:109:1228:14
9:05
#23203
15K
9.32 mi12:46:051:26:169:1529:06
9:22
#23291
20K
12.43 mi13:14:021:54:139:1127:57
9:00
#22740
Half
13.11 mi13:20:472:00:589:146:45
9:54
#22879
25K
15.53 mi13:42:462:22:579:1221:59
9:04
#22443
30K
18.64 mi14:12:022:52:139:1429:16
9:25
#21931
20M
20.00 mi14:25:073:05:189:1613:05
9:38
#21741
21M
21.00 mi14:35:403:15:519:2010:33
10:33
#21640
35K
21.75 mi14:43:053:23:169:217:25
9:55
#21635
23M
23.00 mi14:55:563:36:079:2412:51
10:16
#21612
24M
24.00 mi15:06:023:46:139:2610:06
10:06
#21603
40K
24.85 mi15:14:493:55:009:278:47
10:16
#21574
25.2M
25.20 mi15:18:383:58:499:293:49
11:04
#21569
Finish
26.22 mi15:28:184:08:299:299:40
9:29
#21532
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi235999486948623385(Top 82%)9307(Top 76%)9307(Top 170%)
10K6.21 mi3.10 mi23203+3969261+2259261+22522775(Top 80%)9010(Top 74%)9010(Top 165%)
15K9.32 mi3.11 mi23291-889287-269287-2623385(Top 82%)9307(Top 76%)9307(Top 170%)
20K12.43 mi3.11 mi22740+5518975+3128975+31220959(Top 74%)8034(Top 66%)8034(Top 147%)
Half13.11 mi0.68 mi22879-1399057-829057-8224603(Top 87%)10050(Top 82%)10050(Top 184%)
25K15.53 mi2.42 mi22443+4368834+2238834+22320227(Top 71%)7666(Top 63%)7666(Top 140%)
30K18.64 mi3.11 mi21931+5128587+2478587+24719632(Top 69%)7467(Top 61%)7467(Top 137%)
20M20.00 mi1.36 mi21741+1908491+968491+9619719(Top 69%)7647(Top 63%)7647(Top 140%)
21M21.00 mi1.00 mi21640+1018467+248467+2420189(Top 71%)8016(Top 66%)8016(Top 147%)
35K21.75 mi0.75 mi21635+58473-68473-621672(Top 76%)8859(Top 72%)8859(Top 162%)
23M23.00 mi1.25 mi21612+238496-238496-2321325(Top 75%)8715(Top 71%)8715(Top 159%)
24M24.00 mi1.00 mi21603+98511-158511-1521651(Top 76%)8939(Top 73%)8939(Top 163%)
40K24.85 mi0.85 mi21574+298517-68517-621311(Top 75%)8825(Top 72%)8825(Top 161%)
25.2M25.20 mi0.35 mi21569+58522-58522-520883(Top 74%)8597(Top 70%)8597(Top 157%)
Finish26.22 mi1.02 mi21532+378514+88514+821141(Top 74%)8727(Top 71%)8727(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

23385

Females

9307

F18-39

9307

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

22775

Females

9010

F18-39

9010

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

23385

Females

9307

F18-39

9307

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

20959

Females

8034

F18-39

8034

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24603

Females

10050

F18-39

10050

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20227

Females

7666

F18-39

7666

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

19632

Females

7467

F18-39

7467

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19719

Females

7647

F18-39

7647

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20189

Females

8016

F18-39

8016

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21672

Females

8859

F18-39

8859

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21325

Females

8715

F18-39

8715

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21651

Females

8939

F18-39

8939

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21311

Females

8825

F18-39

8825

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

20883

Females

8597

F18-39

8597

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

21141

Females

8727

F18-39

8727

Passing Analysis

Category:
Athletes Passed
2861
Passed By
794
Net Change
+2067
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23599
5K → 10K48286+396#23599#23203
10K → 15K147235-88#23203#23291
15K → 20K5609+551#23291#22740
20K → Half8147-139#22740#22879
Half → 25K4426+436#22879#22443
25K → 30K52614+512#22443#21931
30K → 20M20616+190#21931#21741
20M → 21M13736+101#21741#21640
21M → 35K4237+5#21640#21635
35K → 23M9673+23#21635#21612
23M → 24M5445+9#21612#21603
24M → 40K6839+29#21603#21574
40K → 25.2M2520+5#21574#21569
25.2M → Finish6831+37#21569#21532
TOTALS2861794+2067
📊

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