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BOSTON MARATHON 2025

Jennifer Stevens

Bib: 28036•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
32:27
Rank: #26637
Start → 5K
32:27 | 10:27/mi
10K· 6.21 mi
1:06:24
Rank: #26827 (-190)
5K → 10K
33:57 | 10:56/mi
15K· 9.32 mi
1:42:07
Rank: #27008 (-181)
10K → 15K
35:43 | 11:30/mi
20K· 12.43 mi
2:20:36
Rank: #27167 (-159)
15K → 20K
38:29 | 12:23/mi
Half· 13.11 mi
2:28:06
Rank: #27136 (+31)
20K → Half
7:30 | 11:00/mi
25K· 15.53 mi
2:57:23
Rank: #27031 (+105)
Half → 25K
29:17 | 12:05/mi
30K· 18.64 mi
3:44:07
Rank: #27308 (-277)
25K → 30K
46:44 | 15:03/mi
20M
4:02:44
Rank: #27313 (-5)
30K → 20M
18:37 | 13:42/mi
21M
4:17:59
Rank: #27344 (-31)
20M → 21M
15:15 | 15:15/mi
35K· 21.75 mi
4:30:10
Rank: #27425 (-81)
21M → 35K
12:11 | 16:17/mi
23M
4:46:28
Rank: #27401 (+24)
35K → 23M
16:18 | 13:01/mi
24M
4:59:12
Rank: #27378 (+23)
23M → 24M
12:44 | 12:44/mi
40K· 24.85 mi
5:11:29
Rank: #27387 (-9)
24M → 40K
12:17 | 14:22/mi
25.2M
5:16:22
Rank: #27372 (+15)
40K → 25.2M
4:53 | 14:10/mi
Finish· 26.22 mi
5:28:31
Rank: #27372
25.2M → Finish
12:09 | 11:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:06
Pace11:18 /mi
2nd Half
Distance13.11 mi
Time3:00:25
Pace13:46 /mi
📊Positive Split: 21.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2932:2710:2732:27
10:27
-
10K
6.21 mi12:26:261:06:2410:4133:57
10:56
+0:29
15K
9.32 mi13:02:091:42:0710:5735:43
11:30
+0:34
20K
12.43 mi13:40:382:20:3611:1938:29
12:23
+0:53
Half
13.11 mi13:48:082:28:0611:187:30
11:00
-1:23
25K
15.53 mi14:17:252:57:2311:2529:17
12:05
+1:05
30K
18.64 mi15:04:093:44:0712:0146:44
15:03
+2:58
20M
20.00 mi15:22:464:02:4412:0818:37
13:42
-1:21
21M
21.00 mi15:38:014:17:5912:1715:15
15:15
+1:33
35K
21.75 mi15:50:124:30:1012:2512:11
16:17
+1:02
23M
23.00 mi16:06:304:46:2812:2716:18
13:01
-3:16
24M
24.00 mi16:19:144:59:1212:2812:44
12:44
-0:17
40K
24.85 mi16:31:315:11:2912:3212:17
14:22
+1:38
25.2M
25.20 mi16:36:245:16:2212:334:53
14:10
-0:12
Finish
26.22 mi16:48:335:28:3112:3212:09
11:55
-2:15

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

10:27 /mi

Average Pace

12:32 /mi

Slowest Pace

16:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:37

33% of race

Time at Steady Pace

1:48:57

33% of race

Time at Slower Pace

1:49:57

33% of race

Average Pace: 12:32 /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 mi11:52:2932:2710:2732:27
10:27
#26637
10K
6.21 mi12:26:261:06:2410:4133:57
10:56
#26827
15K
9.32 mi13:02:091:42:0710:5735:43
11:30
#27008
20K
12.43 mi13:40:382:20:3611:1938:29
12:23
#27167
Half
13.11 mi13:48:082:28:0611:187:30
11:00
#27136
25K
15.53 mi14:17:252:57:2311:2529:17
12:05
#27031
30K
18.64 mi15:04:093:44:0712:0146:44
15:03
#27308
20M
20.00 mi15:22:464:02:4412:0818:37
13:42
#27313
21M
21.00 mi15:38:014:17:5912:1715:15
15:15
#27344
35K
21.75 mi15:50:124:30:1012:2512:11
16:17
#27425
23M
23.00 mi16:06:304:46:2812:2716:18
13:01
#27401
24M
24.00 mi16:19:144:59:1212:2812:44
12:44
#27378
40K
24.85 mi16:31:315:11:2912:3212:17
14:22
#27387
25.2M
25.20 mi16:36:245:16:2212:334:53
14:10
#27372
Finish
26.22 mi16:48:335:28:3112:3212:09
11:55
#27372
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26637111191111927223(Top 96%)11504(Top 94%)11504(Top 210%)
10K6.21 mi3.10 mi26827-19011237-11811237-11826968(Top 95%)11353(Top 93%)11353(Top 208%)
15K9.32 mi3.11 mi27008-18111363-12611363-12627223(Top 96%)11504(Top 94%)11504(Top 210%)
20K12.43 mi3.11 mi27167-15911465-10211465-10227432(Top 97%)11660(Top 95%)11660(Top 213%)
Half13.11 mi0.68 mi27136+3111451+1411451+1426478(Top 93%)11114(Top 91%)11114(Top 203%)
25K15.53 mi2.42 mi27031+10511398+5311398+5326515(Top 93%)11146(Top 91%)11146(Top 204%)
30K18.64 mi3.11 mi27308-27711591-19311591-19328042(Top 99%)12074(Top 99%)12074(Top 221%)
20M20.00 mi1.36 mi27313-511592-111592-127071(Top 95%)11597(Top 95%)11597(Top 212%)
21M21.00 mi1.00 mi27344-3111620-2811620-2827348(Top 96%)11748(Top 96%)11748(Top 215%)
35K21.75 mi0.75 mi27425-8111665-4511665-4528277(Top 100%)12183(Top 100%)12183(Top 223%)
23M23.00 mi1.25 mi27401+2411658+711658+726385(Top 93%)11291(Top 92%)11291(Top 206%)
24M24.00 mi1.00 mi27378+2311655+311655+326573(Top 94%)11408(Top 93%)11408(Top 209%)
40K24.85 mi0.85 mi27387-911665-1011665-1027432(Top 97%)11839(Top 97%)11839(Top 216%)
25.2M25.20 mi0.35 mi27372+1511661+411661+426437(Top 93%)11403(Top 93%)11403(Top 209%)
Finish26.22 mi1.02 mi2737211658+311658+326701(Top 94%)11473(Top 94%)11473(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

27223

Females

11504

F18-39

11504

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

26968

Females

11353

F18-39

11353

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

27223

Females

11504

F18-39

11504

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

27432

Females

11660

F18-39

11660

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26478

Females

11114

F18-39

11114

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

26515

Females

11146

F18-39

11146

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

28042

Females

12074

F18-39

12074

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

27071

Females

11597

F18-39

11597

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

27348

Females

11748

F18-39

11748

21M→35K

21.0 - 21.8 mi

Top 100%
×7stories
+17ft-86ft

Overall

28277

Females

12183

F18-39

12183

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

26385

Females

11291

F18-39

11291

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

26573

Females

11408

F18-39

11408

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27432

Females

11839

F18-39

11839

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26437

Females

11403

F18-39

11403

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

26701

Females

11473

F18-39

11473

Passing Analysis

Category:
Athletes Passed
566
Passed By
1301
Net Change
-735
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26637
5K → 10K104294-190#26637#26827
10K → 15K58239-181#26827#27008
15K → 20K55214-159#27008#27167
20K → Half376+31#27167#27136
Half → 25K13328+105#27136#27031
25K → 30K21298-277#27031#27308
30K → 20M2631-5#27308#27313
20M → 21M1546-31#27313#27344
21M → 35K081-81#27344#27425
35K → 23M3511+24#27425#27401
23M → 24M3310+23#27401#27378
24M → 40K1827-9#27378#27387
40K → 25.2M172+15#27387#27372
25.2M → Finish14140#27372#27372
TOTALS5661301-735
📊

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