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BOSTON MARATHON 2025

Jessica Rollin

Bib: 11465•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Masters (Masters Women)
#0 / 6759
Top 6%
Division (F40-44)
#0 / 1718
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:06
Rank: #14439
Start → 5K
24:06 | 7:45/mi
10K· 6.21 mi
48:11
Rank: #14369 (+70)
5K → 10K
24:05 | 7:45/mi
15K· 9.32 mi
1:12:03
Rank: #14021 (+348)
10K → 15K
23:52 | 7:41/mi
20K· 12.43 mi
1:36:09
Rank: #13684 (+337)
15K → 20K
24:06 | 7:45/mi
Half· 13.11 mi
1:41:17
Rank: #13580 (+104)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:59:48
Rank: #13116 (+464)
Half → 25K
18:31 | 7:38/mi
30K· 18.64 mi
2:23:29
Rank: #12244 (+872)
25K → 30K
23:41 | 7:37/mi
20M
2:33:47
Rank: #11808 (+436)
30K → 20M
10:18 | 7:35/mi
21M
2:41:33
Rank: #11397 (+411)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:47:01
Rank: #11234 (+163)
21M → 35K
5:28 | 7:18/mi
23M
2:56:16
Rank: #10847 (+387)
35K → 23M
9:15 | 7:23/mi
24M
3:03:22
Rank: #10549 (+298)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
3:09:21
Rank: #10221 (+328)
24M → 40K
5:59 | 7:00/mi
25.2M
3:11:57
Rank: #10079 (+142)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:18:41
Rank: #9734 (+345)
25.2M → Finish
6:44 | 6:36/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:24
Pace7:26 /mi
📊Negative Split: 3.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1224:067:4524:06
7:45
-
10K
6.21 mi11:15:1748:117:4524:05
7:45
0:00
15K
9.32 mi11:39:091:12:037:4423:52
7:41
-0:04
20K
12.43 mi12:03:151:36:097:4424:06
7:45
+0:04
Half
13.11 mi12:08:231:41:177:445:08
7:31
-0:14
25K
15.53 mi12:26:541:59:487:4318:31
7:38
+0:07
30K
18.64 mi12:50:352:23:297:4223:41
7:37
-0:01
20M
20.00 mi13:00:532:33:477:4110:18
7:35
-0:02
21M
21.00 mi13:08:392:41:337:427:46
7:46
+0:11
35K
21.75 mi13:14:072:47:017:415:28
7:18
-0:28
23M
23.00 mi13:23:222:56:167:409:15
7:23
+0:05
24M
24.00 mi13:30:283:03:227:387:06
7:06
-0:17
40K
24.85 mi13:36:273:09:217:375:59
7:00
-0:06
25.2M
25.20 mi13:39:033:11:577:372:36
7:32
+0:32
Finish
26.22 mi13:45:473:18:417:356:44
6:36
-0:56

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

6:36 /mi

Average Pace

7:35 /mi

Slowest Pace

7:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:49

10% of race

Time at Steady Pace

2:58:52

90% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi10:51:1224:067:4524:06
7:45
#14439
10K
6.21 mi11:15:1748:117:4524:05
7:45
#14369
15K
9.32 mi11:39:091:12:037:4423:52
7:41
#14021
20K
12.43 mi12:03:151:36:097:4424:06
7:45
#13684
Half
13.11 mi12:08:231:41:177:445:08
7:31
#13580
25K
15.53 mi12:26:541:59:487:4318:31
7:38
#13116
30K
18.64 mi12:50:352:23:297:4223:41
7:37
#12244
20M
20.00 mi13:00:532:33:477:4110:18
7:35
#11808
21M
21.00 mi13:08:392:41:337:427:46
7:46
#11397
35K
21.75 mi13:14:072:47:017:415:28
7:18
#11234
23M
23.00 mi13:23:222:56:167:409:15
7:23
#10847
24M
24.00 mi13:30:283:03:227:387:06
7:06
#10549
40K
24.85 mi13:36:273:09:217:375:59
7:00
#10221
25.2M
25.20 mi13:39:033:11:577:372:36
7:32
#10079
Finish
26.22 mi13:45:473:18:417:356:44
6:36
#9734
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi144394175417513318(Top 47%)3628(Top 30%)3628(Top 211%)
10K6.21 mi3.10 mi14369+704156+194156+1914346(Top 51%)4158(Top 34%)4158(Top 242%)
15K9.32 mi3.11 mi14021+3483979+1773979+17713318(Top 47%)3628(Top 30%)3628(Top 211%)
20K12.43 mi3.11 mi13684+3373830+1493830+14912913(Top 45%)3492(Top 29%)3492(Top 203%)
Half13.11 mi0.68 mi13580+1043777+533777+5311917(Top 42%)2867(Top 23%)2867(Top 167%)
25K15.53 mi2.42 mi13116+4643545+2323545+23211038(Top 39%)2603(Top 21%)2603(Top 152%)
30K18.64 mi3.11 mi12244+8723128+4173128+4178645(Top 30%)1670(Top 14%)1670(Top 97%)
20M20.00 mi1.36 mi11808+4362927+2012927+2017570(Top 27%)1371(Top 11%)1371(Top 80%)
21M21.00 mi1.00 mi11397+4112763+1642763+1646044(Top 21%)952(Top 8%)952(Top 55%)
35K21.75 mi0.75 mi11234+1632696+672696+677334(Top 26%)1435(Top 12%)1435(Top 84%)
23M23.00 mi1.25 mi10847+3872531+1652531+1656028(Top 21%)1038(Top 8%)1038(Top 60%)
24M24.00 mi1.00 mi10549+2982412+1192412+1195256(Top 19%)818(Top 7%)818(Top 48%)
40K24.85 mi0.85 mi10221+3282283+1292283+1293949(Top 14%)499(Top 4%)499(Top 29%)
25.2M25.20 mi0.35 mi10079+1422230+532230+533697(Top 13%)499(Top 4%)499(Top 29%)
Finish26.22 mi1.02 mi9734+3452109+1212109+1213410(Top 12%)418(Top 3%)418(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

13318

Females

3628

F40-44

3628

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14346

Females

4158

F40-44

4158

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

13318

Females

3628

F40-44

3628

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

12913

Females

3492

F40-44

3492

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11917

Females

2867

F40-44

2867

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

11038

Females

2603

F40-44

2603

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8645

Females

1670

F40-44

1670

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7570

Females

1371

F40-44

1371

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

6044

Females

952

F40-44

952

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7334

Females

1435

F40-44

1435

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6028

Females

1038

F40-44

1038

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5256

Females

818

F40-44

818

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3949

Females

499

F40-44

499

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3697

Females

499

F40-44

499

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3410

Females

418

F40-44

418

Passing Analysis

Category:
Athletes Passed
5096*
Passed By
391
Net Change
+4705
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14439
5K → 10K322252+70#14439#14369
10K → 15K41062+348#14369#14021
15K → 20K39356+337#14021#13684
20K → Half1106+104#13684#13580
Half → 25K4684+464#13580#13116
25K → 30K8742+872#13116#12244
30K → 20M4360+436#12244#11808
20M → 21M4121+411#11808#11397
21M → 35K1663+163#11397#11234
35K → 23M3903+387#11234#10847
23M → 24M3002+298#10847#10549
24M → 40K3280+328#10549#10221
40K → 25.2M1420+142#10221#10079
25.2M → Finish345*0+345#10079#9734
TOTALS5096*391+4705

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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