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BOSTON MARATHON 2025

Jennifer Boller

Bib: 22145•F

KS

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 43%
Division (F50-54)
#0 / 1303
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:08
Rank: #21163
Start → 5K
27:08 | 8:44/mi
10K· 6.21 mi
54:29
Rank: #21269 (-106)
5K → 10K
27:21 | 8:48/mi
15K· 9.32 mi
1:21:19
Rank: #20872 (+397)
10K → 15K
26:50 | 8:38/mi
20K· 12.43 mi
1:48:21
Rank: #20518 (+354)
15K → 20K
27:02 | 8:42/mi
Half· 13.11 mi
1:54:09
Rank: #20447 (+71)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:15:06
Rank: #20044 (+403)
Half → 25K
20:57 | 8:38/mi
30K· 18.64 mi
2:42:24
Rank: #19381 (+663)
25K → 30K
27:18 | 8:47/mi
20M
2:54:24
Rank: #19123 (+258)
30K → 20M
12:00 | 8:50/mi
21M
3:03:34
Rank: #18852 (+271)
20M → 21M
9:10 | 9:10/mi
35K· 21.75 mi
3:09:46
Rank: #18685 (+167)
21M → 35K
6:12 | 8:17/mi
23M
3:20:27
Rank: #18369 (+316)
35K → 23M
10:41 | 8:32/mi
24M
3:28:56
Rank: #18190 (+179)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:36:12
Rank: #18004 (+186)
24M → 40K
7:16 | 8:30/mi
25.2M
3:39:17
Rank: #17905 (+99)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:47:40
Rank: #17756 (+149)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:54:09
Pace8:42 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:53:31
Pace8:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3727:088:4427:08
8:44
-
10K
6.21 mi11:49:5854:298:4627:21
8:48
+0:04
15K
9.32 mi12:16:481:21:198:4326:50
8:38
-0:10
20K
12.43 mi12:43:501:48:218:4327:02
8:42
+0:04
Half
13.11 mi12:49:381:54:098:425:48
8:30
-0:12
25K
15.53 mi13:10:352:15:068:4220:57
8:38
+0:08
30K
18.64 mi13:37:532:42:248:4327:18
8:47
+0:09
20M
20.00 mi13:49:532:54:248:4312:00
8:50
+0:03
21M
21.00 mi13:59:033:03:348:449:10
9:10
+0:20
35K
21.75 mi14:05:153:09:468:446:12
8:17
-0:53
23M
23.00 mi14:15:563:20:278:4310:41
8:32
+0:15
24M
24.00 mi14:24:253:28:568:428:29
8:29
-0:03
40K
24.85 mi14:31:413:36:128:427:16
8:30
+0:01
25.2M
25.20 mi14:34:463:39:178:423:05
8:56
+0:26
Finish
26.22 mi14:43:093:47:408:418:23
8:14
-0:42

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

8:14 /mi

Average Pace

8:41 /mi

Slowest Pace

9:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38:30

96% of race

Time at Steady Pace

9:10

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:41 /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 mi11:22:3727:088:4427:08
8:44
#21163
10K
6.21 mi11:49:5854:298:4627:21
8:48
#21269
15K
9.32 mi12:16:481:21:198:4326:50
8:38
#20872
20K
12.43 mi12:43:501:48:218:4327:02
8:42
#20518
Half
13.11 mi12:49:381:54:098:425:48
8:30
#20447
25K
15.53 mi13:10:352:15:068:4220:57
8:38
#20044
30K
18.64 mi13:37:532:42:248:4327:18
8:47
#19381
20M
20.00 mi13:49:532:54:248:4312:00
8:50
#19123
21M
21.00 mi13:59:033:03:348:449:10
9:10
#18852
35K
21.75 mi14:05:153:09:468:446:12
8:17
#18685
23M
23.00 mi14:15:563:20:278:4310:41
8:32
#18369
24M
24.00 mi14:24:253:28:568:428:29
8:29
#18190
40K
24.85 mi14:31:413:36:128:427:16
8:30
#18004
25.2M
25.20 mi14:34:463:39:178:423:05
8:56
#17905
Finish
26.22 mi14:43:093:47:408:418:23
8:14
#17756
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi211638168816820127(Top 71%)7500(Top 61%)7500(Top 576%)
10K6.21 mi3.10 mi21269-1068195-278195-2721418(Top 75%)8258(Top 68%)8258(Top 634%)
15K9.32 mi3.11 mi20872+3977967+2287967+22820127(Top 71%)7500(Top 61%)7500(Top 576%)
20K12.43 mi3.11 mi20518+3547773+1947773+19419421(Top 68%)7151(Top 58%)7151(Top 549%)
Half13.11 mi0.68 mi20447+717734+397734+3919235(Top 68%)7026(Top 57%)7026(Top 539%)
25K15.53 mi2.42 mi20044+4037509+2257509+22518056(Top 64%)6458(Top 53%)6458(Top 496%)
30K18.64 mi3.11 mi19381+6637177+3327177+33216539(Top 58%)5767(Top 47%)5767(Top 443%)
20M20.00 mi1.36 mi19123+2587048+1297048+12915871(Top 56%)5518(Top 45%)5518(Top 423%)
21M21.00 mi1.00 mi18852+2716917+1316917+13114478(Top 51%)4890(Top 40%)4890(Top 375%)
35K21.75 mi0.75 mi18685+1676839+786839+7814237(Top 50%)4825(Top 39%)4825(Top 370%)
23M23.00 mi1.25 mi18369+3166686+1536686+15313558(Top 48%)4564(Top 37%)4564(Top 350%)
24M24.00 mi1.00 mi18190+1796621+656621+6514442(Top 51%)5069(Top 41%)5069(Top 389%)
40K24.85 mi0.85 mi18004+1866551+706551+7013484(Top 47%)4711(Top 39%)4711(Top 362%)
25.2M25.20 mi0.35 mi17905+996504+476504+4711587(Top 41%)3824(Top 31%)3824(Top 293%)
Finish26.22 mi1.02 mi17756+1496443+616443+6114482(Top 51%)5205(Top 43%)5205(Top 399%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

20127

Females

7500

F50-54

7500

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21418

Females

8258

F50-54

8258

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

20127

Females

7500

F50-54

7500

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19421

Females

7151

F50-54

7151

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19235

Females

7026

F50-54

7026

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18056

Females

6458

F50-54

6458

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16539

Females

5767

F50-54

5767

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15871

Females

5518

F50-54

5518

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

14478

Females

4890

F50-54

4890

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14237

Females

4825

F50-54

4825

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13558

Females

4564

F50-54

4564

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14442

Females

5069

F50-54

5069

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13484

Females

4711

F50-54

4711

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11587

Females

3824

F50-54

3824

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14482

Females

5205

F50-54

5205

Passing Analysis

Category:
Athletes Passed
3903
Passed By
496
Net Change
+3407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21163
5K → 10K234340-106#21163#21269
10K → 15K44548+397#21269#20872
15K → 20K39339+354#20872#20518
20K → Half765+71#20518#20447
Half → 25K42118+403#20447#20044
25K → 30K6729+663#20044#19381
30K → 20M2679+258#19381#19123
20M → 21M2732+271#19123#18852
21M → 35K1681+167#18852#18685
35K → 23M3171+316#18685#18369
23M → 24M1878+179#18369#18190
24M → 40K1904+186#18190#18004
40K → 25.2M1001+99#18004#17905
25.2M → Finish16011+149#17905#17756
TOTALS3903496+3407
📊

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