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BOSTON MARATHON 2025

Jennifer Kelly

Bib: 20568•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
Masters (Masters Women)
#0 / 6759
Top 19%
Division (F50-54)
#0 / 1303
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:24
Rank: #15298
Start → 5K
24:24 | 7:51/mi
10K· 6.21 mi
49:11
Rank: #15830 (-532)
5K → 10K
24:47 | 7:59/mi
15K· 9.32 mi
1:14:26
Rank: #16221 (-391)
10K → 15K
25:15 | 8:08/mi
20K· 12.43 mi
1:39:33
Rank: #16011 (+210)
15K → 20K
25:07 | 8:05/mi
Half· 13.11 mi
1:45:07
Rank: #16081 (-70)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:04:51
Rank: #15865 (+216)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:30:10
Rank: #15178 (+687)
25K → 30K
25:19 | 8:09/mi
20M
2:41:16
Rank: #14852 (+326)
30K → 20M
11:06 | 8:10/mi
21M
2:49:42
Rank: #14516 (+336)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:55:39
Rank: #14411 (+105)
21M → 35K
5:57 | 7:57/mi
23M
3:05:47
Rank: #14162 (+249)
35K → 23M
10:08 | 8:06/mi
24M
3:13:39
Rank: #13960 (+202)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:20:40
Rank: #13830 (+130)
24M → 40K
7:01 | 8:12/mi
25.2M
3:23:37
Rank: #13734 (+96)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:31:28
Rank: #13612 (+122)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:07
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:46:21
Pace8:07 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2824:247:5124:24
7:51
-
10K
6.21 mi11:44:1549:117:5524:47
7:59
+0:08
15K
9.32 mi12:09:301:14:267:5925:15
8:08
+0:09
20K
12.43 mi12:34:371:39:338:0125:07
8:05
-0:03
Half
13.11 mi12:40:111:45:078:015:34
8:10
+0:05
25K
15.53 mi12:59:552:04:518:0219:44
8:08
-0:02
30K
18.64 mi13:25:142:30:108:0325:19
8:09
+0:01
20M
20.00 mi13:36:202:41:168:0411:06
8:10
+0:01
21M
21.00 mi13:44:462:49:428:058:26
8:26
+0:16
35K
21.75 mi13:50:432:55:398:055:57
7:57
-0:29
23M
23.00 mi14:00:513:05:478:0510:08
8:06
+0:09
24M
24.00 mi14:08:433:13:398:047:52
7:52
-0:14
40K
24.85 mi14:15:443:20:408:047:01
8:12
+0:20
25.2M
25.20 mi14:18:413:23:378:052:57
8:33
+0:21
Finish
26.22 mi14:26:323:31:288:047:51
7:42
-0:51

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

7:42 /mi

Average Pace

8:04 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:31

99% of race

Time at Steady Pace

2:57

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:04 /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 mi11:19:2824:247:5124:24
7:51
#15298
10K
6.21 mi11:44:1549:117:5524:47
7:59
#15830
15K
9.32 mi12:09:301:14:267:5925:15
8:08
#16221
20K
12.43 mi12:34:371:39:338:0125:07
8:05
#16011
Half
13.11 mi12:40:111:45:078:015:34
8:10
#16081
25K
15.53 mi12:59:552:04:518:0219:44
8:08
#15865
30K
18.64 mi13:25:142:30:108:0325:19
8:09
#15178
20M
20.00 mi13:36:202:41:168:0411:06
8:10
#14852
21M
21.00 mi13:44:462:49:428:058:26
8:26
#14516
35K
21.75 mi13:50:432:55:398:055:57
7:57
#14411
23M
23.00 mi14:00:513:05:478:0510:08
8:06
#14162
24M
24.00 mi14:08:433:13:398:047:52
7:52
#13960
40K
24.85 mi14:15:443:20:408:047:01
8:12
#13830
25.2M
25.20 mi14:18:413:23:378:052:57
8:33
#13734
Finish
26.22 mi14:26:323:31:288:047:51
7:42
#13612
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi152984713471316926(Top 60%)5687(Top 47%)5687(Top 436%)
10K6.21 mi3.10 mi15830-5325035-3225035-32216294(Top 57%)5301(Top 43%)5301(Top 407%)
15K9.32 mi3.11 mi16221-3915263-2285263-22816926(Top 60%)5687(Top 47%)5687(Top 436%)
20K12.43 mi3.11 mi16011+2105155+1085155+10815536(Top 55%)4928(Top 40%)4928(Top 378%)
Half13.11 mi0.68 mi16081-705200-455200-4517023(Top 60%)5761(Top 47%)5761(Top 442%)
25K15.53 mi2.42 mi15865+2165090+1105090+11014905(Top 52%)4693(Top 38%)4693(Top 360%)
30K18.64 mi3.11 mi15178+6874763+3274763+32712451(Top 44%)3536(Top 29%)3536(Top 271%)
20M20.00 mi1.36 mi14852+3264611+1524611+15211649(Top 41%)3271(Top 27%)3271(Top 251%)
21M21.00 mi1.00 mi14516+3364445+1664445+16610103(Top 36%)2669(Top 22%)2669(Top 205%)
35K21.75 mi0.75 mi14411+1054401+444401+4411995(Top 42%)3652(Top 30%)3652(Top 280%)
23M23.00 mi1.25 mi14162+2494319+824319+8210743(Top 38%)3115(Top 25%)3115(Top 239%)
24M24.00 mi1.00 mi13960+2024238+814238+8110367(Top 36%)2989(Top 24%)2989(Top 229%)
40K24.85 mi0.85 mi13830+1304200+384200+3811628(Top 41%)3720(Top 30%)3720(Top 285%)
25.2M25.20 mi0.35 mi13734+964156+444156+449249(Top 33%)2686(Top 22%)2686(Top 206%)
Finish26.22 mi1.02 mi13612+1224106+504106+5010763(Top 38%)3357(Top 27%)3357(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

16926

Females

5687

F50-54

5687

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16294

Females

5301

F50-54

5301

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

16926

Females

5687

F50-54

5687

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15536

Females

4928

F50-54

4928

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17023

Females

5761

F50-54

5761

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14905

Females

4693

F50-54

4693

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12451

Females

3536

F50-54

3536

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11649

Females

3271

F50-54

3271

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10103

Females

2669

F50-54

2669

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11995

Females

3652

F50-54

3652

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10743

Females

3115

F50-54

3115

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10367

Females

2989

F50-54

2989

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11628

Females

3720

F50-54

3720

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9249

Females

2686

F50-54

2686

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10763

Females

3357

F50-54

3357

Passing Analysis

Category:
Athletes Passed
3193
Passed By
1507
Net Change
+1686
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15298
5K → 10K131663-532#15298#15830
10K → 15K98489-391#15830#16221
15K → 20K310100+210#16221#16011
20K → Half1989-70#16011#16081
Half → 25K28569+216#16081#15865
25K → 30K69811+687#15865#15178
30K → 20M3337+326#15178#14852
20M → 21M3426+336#14852#14516
21M → 35K11611+105#14516#14411
35K → 23M26011+249#14411#14162
23M → 24M2086+202#14162#13960
24M → 40K15828+130#13960#13830
40K → 25.2M971+96#13830#13734
25.2M → Finish13816+122#13734#13612
TOTALS31931507+1686
📊

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