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BOSTON MARATHON 2025

Jennifer Volk

Bib: 29753•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
34:03
Rank: #27520
Start → 5K
34:03 | 10:58/mi
10K· 6.21 mi
1:06:13
Rank: #26779 (+741)
5K → 10K
32:10 | 10:21/mi
15K· 9.32 mi
1:41:33
Rank: #26938 (-159)
10K → 15K
35:20 | 11:22/mi
20K· 12.43 mi
2:21:25
Rank: #27250 (-312)
15K → 20K
39:52 | 12:50/mi
Half· 13.11 mi
2:28:57
Rank: #27214 (+36)
20K → Half
7:32 | 11:02/mi
25K· 15.53 mi
3:03:42
Rank: #27442 (-228)
Half → 25K
34:45 | 14:20/mi
30K· 18.64 mi
4:09:19
Rank: #28238 (-796)
25K → 30K
1:05:37 | 21:07/mi
20M
4:35:43
Rank: #28307 (-69)
30K → 20M
26:24 | 19:26/mi
21M
4:51:48
Rank: #28307
20M → 21M
16:05 | 16:05/mi
35K· 21.75 mi
5:03:43
Rank: #28319 (-12)
21M → 35K
11:55 | 15:56/mi
23M
5:22:32
Rank: #28321 (-2)
35K → 23M
18:49 | 15:02/mi
24M
5:37:34
Rank: #28326 (-5)
23M → 24M
15:02 | 15:02/mi
40K· 24.85 mi
5:50:14
Rank: #28329 (-3)
24M → 40K
12:40 | 14:49/mi
25.2M
5:55:46
Rank: #28329
40K → 25.2M
5:32 | 16:03/mi
Finish· 26.22 mi
6:08:11
Rank: #28314 (+15)
25.2M → Finish
12:25 | 12:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:57
Pace11:22 /mi
2nd Half
Distance13.11 mi
Time3:39:14
Pace16:43 /mi
📊Positive Split: 47.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4834:0310:5834:03
10:58
-
10K
6.21 mi12:24:581:06:1310:3932:10
10:21
-0:37
15K
9.32 mi13:00:181:41:3310:5435:20
11:22
+1:01
20K
12.43 mi13:40:102:21:2511:2339:52
12:50
+1:28
Half
13.11 mi13:47:422:28:5711:227:32
11:02
-1:48
25K
15.53 mi14:22:273:03:4211:5034:45
14:20
+3:18
30K
18.64 mi15:28:044:09:1913:221:05:37
21:07
+6:47
20M
20.00 mi15:54:284:35:4313:4726:24
19:26
-1:41
21M
21.00 mi16:10:334:51:4813:5416:05
16:05
-3:21
35K
21.75 mi16:22:285:03:4313:5811:55
15:56
-0:09
23M
23.00 mi16:41:175:22:3214:0118:49
15:02
-0:54
24M
24.00 mi16:56:195:37:3414:0415:02
15:02
0:00
40K
24.85 mi17:08:595:50:1414:0512:40
14:49
-0:13
25.2M
25.20 mi17:14:315:55:4614:075:32
16:03
+1:14
Finish
26.22 mi17:26:566:08:1114:0312:25
12:11
-3:52

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

10:21 /mi

Average Pace

14:03 /mi

Slowest Pace

21:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:22

44% of race

Time at Steady Pace

1:54:48

31% of race

Time at Slower Pace

1:32:01

25% of race

Average Pace: 14:03 /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 mi11:52:4834:0310:5834:03
10:58
#27520
10K
6.21 mi12:24:581:06:1310:3932:10
10:21
#26779
15K
9.32 mi13:00:181:41:3310:5435:20
11:22
#26938
20K
12.43 mi13:40:102:21:2511:2339:52
12:50
#27250
Half
13.11 mi13:47:422:28:5711:227:32
11:02
#27214
25K
15.53 mi14:22:273:03:4211:5034:45
14:20
#27442
30K
18.64 mi15:28:044:09:1913:221:05:37
21:07
#28238
20M
20.00 mi15:54:284:35:4313:4726:24
19:26
#28307
21M
21.00 mi16:10:334:51:4813:5416:05
16:05
#28307
35K
21.75 mi16:22:285:03:4313:5811:55
15:56
#28319
23M
23.00 mi16:41:175:22:3214:0118:49
15:02
#28321
24M
24.00 mi16:56:195:37:3414:0415:02
15:02
#28326
40K
24.85 mi17:08:595:50:1414:0512:40
14:49
#28329
25.2M
25.20 mi17:14:315:55:4614:075:32
16:03
#28329
Finish
26.22 mi17:26:566:08:1114:0312:25
12:11
#28314
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27520116581165827114(Top 95%)11446(Top 94%)11446(Top 209%)
10K6.21 mi3.10 mi26779+74111213+44511213+44526012(Top 92%)10798(Top 88%)10798(Top 197%)
15K9.32 mi3.11 mi26938-15911319-10611319-10627114(Top 95%)11446(Top 94%)11446(Top 209%)
20K12.43 mi3.11 mi27250-31211515-19611515-19627724(Top 98%)11826(Top 97%)11826(Top 216%)
Half13.11 mi0.68 mi27214+3611494+2111494+2126550(Top 93%)11153(Top 91%)11153(Top 204%)
25K15.53 mi2.42 mi27442-22811644-15011644-15028038(Top 99%)12036(Top 98%)12036(Top 220%)
30K18.64 mi3.11 mi28238-79612138-49412138-49428401(Top 100%)12227(Top 100%)12227(Top 224%)
20M20.00 mi1.36 mi28307-6912182-4412182-4428373(Top 100%)12221(Top 100%)12221(Top 223%)
21M21.00 mi1.00 mi2830712184-212184-227847(Top 98%)11980(Top 98%)11980(Top 219%)
35K21.75 mi0.75 mi28319-1212188-412188-428226(Top 99%)12164(Top 99%)12164(Top 222%)
23M23.00 mi1.25 mi28321-212190-212190-227930(Top 98%)12062(Top 99%)12062(Top 221%)
24M24.00 mi1.00 mi28326-512195-512195-528059(Top 99%)12120(Top 99%)12120(Top 222%)
40K24.85 mi0.85 mi28329-312198-312198-327686(Top 97%)11962(Top 98%)11962(Top 219%)
25.2M25.20 mi0.35 mi28329121981219827727(Top 98%)11996(Top 98%)11996(Top 219%)
Finish26.22 mi1.02 mi28314+1512193+512193+526988(Top 95%)11625(Top 95%)11625(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

27114

Females

11446

F18-39

11446

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26012

Females

10798

F18-39

10798

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

27114

Females

11446

F18-39

11446

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

27724

Females

11826

F18-39

11826

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26550

Females

11153

F18-39

11153

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

28038

Females

12036

F18-39

12036

25K→30K

15.5 - 18.6 mi

Top 100%
×9stories
+181ft-148ft

Overall

28401

Females

12227

F18-39

12227

30K→20M

18.6 - 20.0 mi

Top 100%
×5stories
+64ft-50ft

Overall

28373

Females

12221

F18-39

12221

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

27847

Females

11980

F18-39

11980

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

28226

Females

12164

F18-39

12164

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

27930

Females

12062

F18-39

12062

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

28059

Females

12120

F18-39

12120

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27686

Females

11962

F18-39

11962

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27727

Females

11996

F18-39

11996

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

26988

Females

11625

F18-39

11625

Passing Analysis

Category:
Athletes Passed
929
Passed By
1723
Net Change
-794
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27520
5K → 10K7421+741#27520#26779
10K → 15K71230-159#26779#26938
15K → 20K26338-312#26938#27250
20K → Half393+36#27250#27214
Half → 25K18246-228#27214#27442
25K → 30K0796-796#27442#28238
30K → 20M069-69#28238#28307
20M → 21M770#28307#28307
21M → 35K214-12#28307#28319
35K → 23M24-2#28319#28321
23M → 24M510-5#28321#28326
24M → 40K25-3#28326#28329
40K → 25.2M000#28329#28329
25.2M → Finish150+15#28329#28314
TOTALS9291723-794
📊

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