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BOSTON MARATHON 2025

Jenna Fitzsimmons

Bib: 10230•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Division (F18-39)
#0 / 5469
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:56
Rank: #8322
Start → 5K
21:56 | 7:04/mi
10K· 6.21 mi
43:34
Rank: #7942 (+380)
5K → 10K
21:38 | 6:58/mi
15K· 9.32 mi
1:05:20
Rank: #7823 (+119)
10K → 15K
21:46 | 7:00/mi
20K· 12.43 mi
1:27:57
Rank: #8020 (-197)
15K → 20K
22:37 | 7:17/mi
Half· 13.11 mi
1:33:01
Rank: #8137 (-117)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:53:52
Rank: #9830 (-1693)
Half → 25K
20:51 | 8:36/mi
30K· 18.64 mi
2:24:34
Rank: #12697 (-2867)
25K → 30K
30:42 | 9:53/mi
20M
2:37:15
Rank: #13231 (-534)
30K → 20M
12:41 | 9:20/mi
21M
2:46:23
Rank: #13271 (-40)
20M → 21M
9:08 | 9:08/mi
35K· 21.75 mi
2:52:03
Rank: #13113 (+158)
21M → 35K
5:40 | 7:34/mi
23M
3:02:53
Rank: #13166 (-53)
35K → 23M
10:50 | 8:39/mi
24M
3:11:11
Rank: #13154 (+12)
23M → 24M
8:18 | 8:18/mi
40K· 24.85 mi
3:18:14
Rank: #13084 (+70)
24M → 40K
7:03 | 8:15/mi
25.2M
3:21:17
Rank: #13053 (+31)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:28:34
Rank: #12777 (+276)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:01
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:55:33
Pace8:49 /mi
📊Positive Split: 24.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1821:567:0421:56
7:04
-
10K
6.21 mi11:09:5643:347:0121:38
6:58
-0:06
15K
9.32 mi11:31:421:05:207:0121:46
7:00
+0:02
20K
12.43 mi11:54:191:27:577:0522:37
7:17
+0:17
Half
13.11 mi11:59:231:33:017:065:04
7:26
+0:09
25K
15.53 mi12:20:141:53:527:2020:51
8:36
+1:10
30K
18.64 mi12:50:562:24:347:4530:42
9:53
+1:17
20M
20.00 mi13:03:372:37:157:5212:41
9:20
-0:33
21M
21.00 mi13:12:452:46:237:559:08
9:08
-0:12
35K
21.75 mi13:18:252:52:037:555:40
7:34
-1:34
23M
23.00 mi13:29:153:02:537:5710:50
8:39
+1:05
24M
24.00 mi13:37:333:11:117:588:18
8:18
-0:21
40K
24.85 mi13:44:363:18:147:597:03
8:15
-0:03
25.2M
25.20 mi13:47:393:21:177:593:03
8:51
+0:36
Finish
26.22 mi13:54:563:28:347:587:17
7:09
-1:42

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

6:58 /mi

Average Pace

7:58 /mi

Slowest Pace

9:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:58

51% of race

Time at Steady Pace

47:02

23% of race

Time at Slower Pace

55:34

27% of race

Average Pace: 7:57 /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 mi10:48:1821:567:0421:56
7:04
#8322
10K
6.21 mi11:09:5643:347:0121:38
6:58
#7942
15K
9.32 mi11:31:421:05:207:0121:46
7:00
#7823
20K
12.43 mi11:54:191:27:577:0522:37
7:17
#8020
Half
13.11 mi11:59:231:33:017:065:04
7:26
#8137
25K
15.53 mi12:20:141:53:527:2020:51
8:36
#9830
30K
18.64 mi12:50:562:24:347:4530:42
9:53
#12697
20M
20.00 mi13:03:372:37:157:5212:41
9:20
#13231
21M
21.00 mi13:12:452:46:237:559:08
9:08
#13271
35K
21.75 mi13:18:252:52:037:555:40
7:34
#13113
23M
23.00 mi13:29:153:02:537:5710:50
8:39
#13166
24M
24.00 mi13:37:333:11:117:588:18
8:18
#13154
40K
24.85 mi13:44:363:18:147:597:03
8:15
#13084
25.2M
25.20 mi13:47:393:21:177:593:03
8:51
#13053
Finish
26.22 mi13:54:563:28:347:587:17
7:09
#12777
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8322110811087683(Top 27%)933(Top 8%)933(Top 17%)
10K6.21 mi3.10 mi7942+380978+130978+1307699(Top 27%)908(Top 7%)908(Top 17%)
15K9.32 mi3.11 mi7823+119942+36942+367683(Top 27%)933(Top 8%)933(Top 17%)
20K12.43 mi3.11 mi8020-1971034-921034-928903(Top 31%)1487(Top 12%)1487(Top 27%)
Half13.11 mi0.68 mi8137-1171084-501084-5011200(Top 39%)2541(Top 21%)2541(Top 46%)
25K15.53 mi2.42 mi9830-16931826-7421826-74217802(Top 63%)6308(Top 52%)6308(Top 115%)
30K18.64 mi3.11 mi12697-28673372-15463372-154621243(Top 75%)8366(Top 68%)8366(Top 153%)
20M20.00 mi1.36 mi13231-5343710-3383710-33818442(Top 65%)6964(Top 57%)6964(Top 127%)
21M21.00 mi1.00 mi13271-403760-503760-5014270(Top 50%)4763(Top 39%)4763(Top 87%)
35K21.75 mi0.75 mi13113+1583686+743686+749238(Top 33%)2260(Top 18%)2260(Top 41%)
23M23.00 mi1.25 mi13166-533768-823768-8214261(Top 50%)4933(Top 40%)4933(Top 90%)
24M24.00 mi1.00 mi13154+123792-243792-2413274(Top 47%)4449(Top 36%)4449(Top 81%)
40K24.85 mi0.85 mi13084+703778+143778+1411850(Top 42%)3837(Top 31%)3837(Top 70%)
25.2M25.20 mi0.35 mi13053+313767+113767+1110983(Top 39%)3477(Top 28%)3477(Top 64%)
Finish26.22 mi1.02 mi12777+2763638+1293638+1296745(Top 24%)1566(Top 13%)1566(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7683

Females

933

F18-39

933

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7699

Females

908

F18-39

908

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7683

Females

933

F18-39

933

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8903

Females

1487

F18-39

1487

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11200

Females

2541

F18-39

2541

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17802

Females

6308

F18-39

6308

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21243

Females

8366

F18-39

8366

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18442

Females

6964

F18-39

6964

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14270

Females

4763

F18-39

4763

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9238

Females

2260

F18-39

2260

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14261

Females

4933

F18-39

4933

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13274

Females

4449

F18-39

4449

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11850

Females

3837

F18-39

3837

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10983

Females

3477

F18-39

3477

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6745

Females

1566

F18-39

1566

Passing Analysis

Category:
Athletes Passed
1658
Passed By
6111
Net Change
-4455
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8322
5K → 10K46383+380#8322#7942
10K → 15K19879+119#7942#7823
15K → 20K83280-197#7823#8020
20K → Half6123-117#8020#8137
Half → 25K131706-1693#8137#9830
25K → 30K92874-2867#9830#12697
30K → 20M39573-534#12697#13231
20M → 21M89129-40#13231#13271
21M → 35K1591+158#13271#13113
35K → 23M94147-53#13113#13166
23M → 24M7866+12#13166#13154
24M → 40K10333+70#13154#13084
40K → 25.2M4615+31#13084#13053
25.2M → Finish2782+276#13053#12777
TOTALS16586111-4455
📊

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