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BOSTON MARATHON 2025

Jenni Tobin

Bib: 22307•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Masters (Masters Women)
#0 / 6759
Top 32%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:48
Rank: #18745
Start → 5K
25:48 | 8:18/mi
10K· 6.21 mi
51:41
Rank: #18727 (+18)
5K → 10K
25:53 | 8:20/mi
15K· 9.32 mi
1:17:18
Rank: #18368 (+359)
10K → 15K
25:37 | 8:15/mi
20K· 12.43 mi
1:42:51
Rank: #17854 (+514)
15K → 20K
25:33 | 8:13/mi
Half· 13.11 mi
1:48:22
Rank: #17774 (+80)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:08:19
Rank: #17350 (+424)
Half → 25K
19:57 | 8:14/mi
30K· 18.64 mi
2:34:23
Rank: #16726 (+624)
25K → 30K
26:04 | 8:23/mi
20M
2:45:43
Rank: #16411 (+315)
30K → 20M
11:20 | 8:20/mi
21M
2:54:29
Rank: #16137 (+274)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
3:00:35
Rank: #16000 (+137)
21M → 35K
6:06 | 8:09/mi
23M
3:11:15
Rank: #15779 (+221)
35K → 23M
10:40 | 8:31/mi
24M
3:19:53
Rank: #15753 (+26)
23M → 24M
8:38 | 8:38/mi
40K· 24.85 mi
3:27:46
Rank: #15812 (-59)
24M → 40K
7:53 | 9:13/mi
25.2M
3:31:15
Rank: #15831 (-19)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:40:38
Rank: #16027 (-196)
25.2M → Finish
9:23 | 9:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:22
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:52:16
Pace8:34 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2825:488:1825:48
8:18
-
10K
6.21 mi11:46:2151:418:1925:53
8:20
+0:02
15K
9.32 mi12:11:581:17:188:1825:37
8:15
-0:05
20K
12.43 mi12:37:311:42:518:1725:33
8:13
-0:02
Half
13.11 mi12:43:021:48:228:165:31
8:05
-0:08
25K
15.53 mi13:02:592:08:198:1619:57
8:14
+0:09
30K
18.64 mi13:29:032:34:238:1726:04
8:23
+0:09
20M
20.00 mi13:40:232:45:438:1711:20
8:20
-0:03
21M
21.00 mi13:49:092:54:298:198:46
8:46
+0:26
35K
21.75 mi13:55:153:00:358:186:06
8:09
-0:37
23M
23.00 mi14:05:553:11:158:1910:40
8:31
+0:22
24M
24.00 mi14:14:333:19:538:208:38
8:38
+0:07
40K
24.85 mi14:22:263:27:468:227:53
9:13
+0:35
25.2M
25.20 mi14:25:553:31:158:233:29
10:06
+0:53
Finish
26.22 mi14:35:183:40:388:259:23
9:12
-0:54

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

8:05 /mi

Average Pace

8:25 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:02:29

83% of race

Time at Slower Pace

38:09

17% of race

Average Pace: 8:25 /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 mi11:20:2825:488:1825:48
8:18
#18745
10K
6.21 mi11:46:2151:418:1925:53
8:20
#18727
15K
9.32 mi12:11:581:17:188:1825:37
8:15
#18368
20K
12.43 mi12:37:311:42:518:1725:33
8:13
#17854
Half
13.11 mi12:43:021:48:228:165:31
8:05
#17774
25K
15.53 mi13:02:592:08:198:1619:57
8:14
#17350
30K
18.64 mi13:29:032:34:238:1726:04
8:23
#16726
20M
20.00 mi13:40:232:45:438:1711:20
8:20
#16411
21M
21.00 mi13:49:092:54:298:198:46
8:46
#16137
35K
21.75 mi13:55:153:00:358:186:06
8:09
#16000
23M
23.00 mi14:05:553:11:158:1910:40
8:31
#15779
24M
24.00 mi14:14:333:19:538:208:38
8:38
#15753
40K
24.85 mi14:22:263:27:468:227:53
9:13
#15812
25.2M
25.20 mi14:25:553:31:158:233:29
10:06
#15831
Finish
26.22 mi14:35:183:40:388:259:23
9:12
#16027
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi187456763676317703(Top 62%)6141(Top 50%)6141(Top 357%)
10K6.21 mi3.10 mi18727+186749+146749+1418760(Top 66%)6738(Top 55%)6738(Top 392%)
15K9.32 mi3.11 mi18368+3596545+2046545+20417703(Top 62%)6141(Top 50%)6141(Top 357%)
20K12.43 mi3.11 mi17854+5146250+2956250+29516468(Top 58%)5472(Top 45%)5472(Top 319%)
Half13.11 mi0.68 mi17774+806212+386212+3816565(Top 58%)5511(Top 45%)5511(Top 321%)
25K15.53 mi2.42 mi17350+4245969+2435969+24315496(Top 55%)5022(Top 41%)5022(Top 292%)
30K18.64 mi3.11 mi16726+6245653+3165653+31614097(Top 50%)4433(Top 36%)4433(Top 258%)
20M20.00 mi1.36 mi16411+3155505+1485505+14812806(Top 45%)3872(Top 32%)3872(Top 225%)
21M21.00 mi1.00 mi16137+2745375+1305375+13012136(Top 43%)3681(Top 30%)3681(Top 214%)
35K21.75 mi0.75 mi16000+1375322+535322+5313375(Top 47%)4374(Top 36%)4374(Top 255%)
23M23.00 mi1.25 mi15779+2215242+805242+8013459(Top 47%)4511(Top 37%)4511(Top 263%)
24M24.00 mi1.00 mi15753+265242524215372(Top 54%)5583(Top 46%)5583(Top 325%)
40K24.85 mi0.85 mi15812-595296-545296-5417453(Top 61%)6829(Top 56%)6829(Top 397%)
25.2M25.20 mi0.35 mi15831-195321-255321-2517483(Top 62%)6837(Top 56%)6837(Top 398%)
Finish26.22 mi1.02 mi16027-1965444-1235444-12319983(Top 70%)8131(Top 66%)8131(Top 473%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17703

Females

6141

F40-44

6141

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

18760

Females

6738

F40-44

6738

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17703

Females

6141

F40-44

6141

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16468

Females

5472

F40-44

5472

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16565

Females

5511

F40-44

5511

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15496

Females

5022

F40-44

5022

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

14097

Females

4433

F40-44

4433

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12806

Females

3872

F40-44

3872

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12136

Females

3681

F40-44

3681

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13375

Females

4374

F40-44

4374

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

13459

Females

4511

F40-44

4511

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

15372

Females

5583

F40-44

5583

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17453

Females

6829

F40-44

6829

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17483

Females

6837

F40-44

6837

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19983

Females

8131

F40-44

8131

Passing Analysis

Category:
Athletes Passed
3534
Passed By
816
Net Change
+2718
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18745
5K → 10K276258+18#18745#18727
10K → 15K41253+359#18727#18368
15K → 20K53016+514#18368#17854
20K → Half855+80#17854#17774
Half → 25K43511+424#17774#17350
25K → 30K6339+624#17350#16726
30K → 20M3205+315#16726#16411
20M → 21M2795+274#16411#16137
21M → 35K1458+137#16137#16000
35K → 23M23918+221#16000#15779
23M → 24M7751+26#15779#15753
24M → 40K58117-59#15753#15812
40K → 25.2M2342-19#15812#15831
25.2M → Finish22218-196#15831#16027
TOTALS3534816+2718
📊

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