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BOSTON MARATHON 2025

Jennifer Forman

Bib: 8400•F

TX

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 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:45
Rank: #10594
Start → 5K
22:45 | 7:19/mi
10K· 6.21 mi
45:11
Rank: #10098 (+496)
5K → 10K
22:26 | 7:13/mi
15K· 9.32 mi
1:07:39
Rank: #9836 (+262)
10K → 15K
22:28 | 7:14/mi
20K· 12.43 mi
1:30:15
Rank: #9521 (+315)
15K → 20K
22:36 | 7:16/mi
Half· 13.11 mi
1:35:11
Rank: #9512 (+9)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:52:59
Rank: #9339 (+173)
Half → 25K
17:48 | 7:20/mi
30K· 18.64 mi
2:16:47
Rank: #9183 (+156)
25K → 30K
23:48 | 7:40/mi
20M
2:27:22
Rank: #9144 (+39)
30K → 20M
10:35 | 7:47/mi
21M
2:35:53
Rank: #9179 (-35)
20M → 21M
8:31 | 8:31/mi
35K· 21.75 mi
2:41:43
Rank: #9208 (-29)
21M → 35K
5:50 | 7:48/mi
23M
2:51:55
Rank: #9277 (-69)
35K → 23M
10:12 | 8:09/mi
24M
2:59:57
Rank: #9354 (-77)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:06:57
Rank: #9431 (-77)
24M → 40K
7:00 | 8:11/mi
25.2M
3:10:00
Rank: #9446 (-15)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:18:06
Rank: #9554 (-108)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:11
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:42:55
Pace7:51 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:5922:457:1922:45
7:19
-
10K
6.21 mi10:52:2545:117:1622:26
7:13
-0:06
15K
9.32 mi11:14:531:07:397:1522:28
7:14
+0:01
20K
12.43 mi11:37:291:30:157:1622:36
7:16
+0:02
Half
13.11 mi11:42:251:35:117:164:56
7:14
-0:02
25K
15.53 mi12:00:131:52:597:1617:48
7:20
+0:06
30K
18.64 mi12:24:012:16:477:2023:48
7:40
+0:20
20M
20.00 mi12:34:362:27:227:2210:35
7:47
+0:07
21M
21.00 mi12:43:072:35:537:258:31
8:31
+0:44
35K
21.75 mi12:48:572:41:437:265:50
7:48
-0:43
23M
23.00 mi12:59:092:51:557:2810:12
8:09
+0:21
24M
24.00 mi13:07:112:59:577:308:02
8:02
-0:07
40K
24.85 mi13:14:113:06:577:317:00
8:11
+0:09
25.2M
25.20 mi13:17:143:10:007:323:03
8:51
+0:40
Finish
26.22 mi13:25:203:18:067:348:06
7:57
-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

7:13 /mi

Average Pace

7:34 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:59

57% of race

Time at Steady Pace

48:19

24% of race

Time at Slower Pace

36:48

19% of race

Average Pace: 7:33 /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 mi10:29:5922:457:1922:45
7:19
#10594
10K
6.21 mi10:52:2545:117:1622:26
7:13
#10098
15K
9.32 mi11:14:531:07:397:1522:28
7:14
#9836
20K
12.43 mi11:37:291:30:157:1622:36
7:16
#9521
Half
13.11 mi11:42:251:35:117:164:56
7:14
#9512
25K
15.53 mi12:00:131:52:597:1617:48
7:20
#9339
30K
18.64 mi12:24:012:16:477:2023:48
7:40
#9183
20M
20.00 mi12:34:362:27:227:2210:35
7:47
#9144
21M
21.00 mi12:43:072:35:537:258:31
8:31
#9179
35K
21.75 mi12:48:572:41:437:265:50
7:48
#9208
23M
23.00 mi12:59:092:51:557:2810:12
8:09
#9277
24M
24.00 mi13:07:112:59:577:308:02
8:02
#9354
40K
24.85 mi13:14:113:06:577:317:00
8:11
#9431
25.2M
25.20 mi13:17:143:10:007:323:03
8:51
#9446
Finish
26.22 mi13:25:203:18:067:348:06
7:57
#9554
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi10594208420849404(Top 33%)1606(Top 13%)1606(Top 93%)
10K6.21 mi3.10 mi10098+4961859+2251859+2259680(Top 34%)1676(Top 14%)1676(Top 98%)
15K9.32 mi3.11 mi9836+2621763+961763+969404(Top 33%)1606(Top 13%)1606(Top 93%)
20K12.43 mi3.11 mi9521+3151650+1131650+1138850(Top 31%)1459(Top 12%)1459(Top 85%)
Half13.11 mi0.68 mi9512+91653-31653-39466(Top 33%)1709(Top 14%)1709(Top 99%)
25K15.53 mi2.42 mi9339+1731600+531600+538697(Top 31%)1503(Top 12%)1503(Top 87%)
30K18.64 mi3.11 mi9183+1561590+101590+108925(Top 31%)1802(Top 15%)1802(Top 105%)
20M20.00 mi1.36 mi9144+391601-111601-118963(Top 32%)1970(Top 16%)1970(Top 115%)
21M21.00 mi1.00 mi9179-351653-521653-5210586(Top 37%)2889(Top 24%)2889(Top 168%)
35K21.75 mi0.75 mi9208-291694-411694-4110817(Top 38%)3000(Top 25%)3000(Top 175%)
23M23.00 mi1.25 mi9277-691761-671761-6711031(Top 39%)3233(Top 26%)3233(Top 188%)
24M24.00 mi1.00 mi9354-771829-681829-6811494(Top 40%)3556(Top 29%)3556(Top 207%)
40K24.85 mi0.85 mi9431-771902-731902-7311486(Top 40%)3638(Top 30%)3638(Top 212%)
25.2M25.20 mi0.35 mi9446-151931-291931-2910940(Top 39%)3434(Top 28%)3434(Top 200%)
Finish26.22 mi1.02 mi9554-1082024-932024-9312541(Top 44%)4198(Top 34%)4198(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9404

Females

1606

F40-44

1606

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9680

Females

1676

F40-44

1676

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9404

Females

1606

F40-44

1606

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8850

Females

1459

F40-44

1459

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9466

Females

1709

F40-44

1709

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8697

Females

1503

F40-44

1503

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8925

Females

1802

F40-44

1802

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8963

Females

1970

F40-44

1970

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10586

Females

2889

F40-44

2889

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10817

Females

3000

F40-44

3000

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

11031

Females

3233

F40-44

3233

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11494

Females

3556

F40-44

3556

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11486

Females

3638

F40-44

3638

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10940

Females

3434

F40-44

3434

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12541

Females

4198

F40-44

4198

Passing Analysis

Category:
Athletes Passed
2360*
Passed By
1320
Net Change
+1040
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10594
5K → 10K57680+496#10594#10098
10K → 15K331*69+262#10098#9836
15K → 20K35136+315#9836#9521
20K → Half3728+9#9521#9512
Half → 25K22956+173#9512#9339
25K → 30K295139+156#9339#9183
30K → 20M12081+39#9183#9144
20M → 21M86121-35#9144#9179
21M → 35K4675-29#9179#9208
35K → 23M91160-69#9208#9277
23M → 24M64141-77#9277#9354
24M → 40K49126-77#9354#9431
40K → 25.2M3853-15#9431#9446
25.2M → Finish47155-108#9446#9554
TOTALS2360*1320+1040

* 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