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BOSTON MARATHON 2025

Jenny Andersson

Bib: 20847•F

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:31
Rank: #20109
Start → 5K
26:31 | 8:32/mi
10K· 6.21 mi
53:00
Rank: #20016 (+93)
5K → 10K
26:29 | 8:31/mi
15K· 9.32 mi
1:20:03
Rank: #20171 (-155)
10K → 15K
27:03 | 8:42/mi
20K· 12.43 mi
1:48:05
Rank: #20401 (-230)
15K → 20K
28:02 | 9:01/mi
Half· 13.11 mi
1:54:11
Rank: #20463 (-62)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:16:46
Rank: #20655 (-192)
Half → 25K
22:35 | 9:19/mi
30K· 18.64 mi
2:46:44
Rank: #20596 (+59)
25K → 30K
29:58 | 9:39/mi
20M
2:59:59
Rank: #20553 (+43)
30K → 20M
13:15 | 9:45/mi
21M
3:10:46
Rank: #20577 (-24)
20M → 21M
10:47 | 10:47/mi
35K· 21.75 mi
3:17:59
Rank: #20590 (-13)
21M → 35K
7:13 | 9:39/mi
23M
3:29:50
Rank: #20481 (+109)
35K → 23M
11:51 | 9:28/mi
24M
3:39:56
Rank: #20567 (-86)
23M → 24M
10:06 | 10:06/mi
40K· 24.85 mi
3:48:30
Rank: #20595 (-28)
24M → 40K
8:34 | 10:01/mi
25.2M
3:51:52
Rank: #20538 (+57)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
4:00:32
Rank: #20439 (+99)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:11
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:06:21
Pace9:38 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4526:318:3226:31
8:32
-
10K
6.21 mi11:46:1453:008:3226:29
8:31
-0:01
15K
9.32 mi12:13:171:20:038:3527:03
8:42
+0:11
20K
12.43 mi12:41:191:48:058:4228:02
9:01
+0:19
Half
13.11 mi12:47:251:54:118:436:06
8:56
-0:05
25K
15.53 mi13:10:002:16:468:4822:35
9:19
+0:23
30K
18.64 mi13:39:582:46:448:5729:58
9:39
+0:20
20M
20.00 mi13:53:132:59:599:0013:15
9:45
+0:06
21M
21.00 mi14:04:003:10:469:0510:47
10:47
+1:02
35K
21.75 mi14:11:133:17:599:067:13
9:39
-1:08
23M
23.00 mi14:23:043:29:509:0711:51
9:28
-0:11
24M
24.00 mi14:33:103:39:569:1010:06
10:06
+0:38
40K
24.85 mi14:41:443:48:309:128:34
10:01
-0:05
25.2M
25.20 mi14:45:063:51:529:123:22
9:46
-0:15
Finish
26.22 mi14:53:464:00:329:118:40
8:30
-1:16

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

8:30 /mi

Average Pace

9:11 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:51

51% of race

Time at Steady Pace

1:28:14

37% of race

Time at Slower Pace

29:27

12% of race

Average Pace: 9:10 /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 mi11:19:4526:318:3226:31
8:32
#20109
10K
6.21 mi11:46:1453:008:3226:29
8:31
#20016
15K
9.32 mi12:13:171:20:038:3527:03
8:42
#20171
20K
12.43 mi12:41:191:48:058:4228:02
9:01
#20401
Half
13.11 mi12:47:251:54:118:436:06
8:56
#20463
25K
15.53 mi13:10:002:16:468:4822:35
9:19
#20655
30K
18.64 mi13:39:582:46:448:5729:58
9:39
#20596
20M
20.00 mi13:53:132:59:599:0013:15
9:45
#20553
21M
21.00 mi14:04:003:10:469:0510:47
10:47
#20577
35K
21.75 mi14:11:133:17:599:067:13
9:39
#20590
23M
23.00 mi14:23:043:29:509:0711:51
9:28
#20481
24M
24.00 mi14:33:103:39:569:1010:06
10:06
#20567
40K
24.85 mi14:41:443:48:309:128:34
10:01
#20595
25.2M
25.20 mi14:45:063:51:529:123:22
9:46
#20538
Finish
26.22 mi14:53:464:00:329:118:40
8:30
#20439
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi201097564756420538(Top 72%)7737(Top 63%)7737(Top 594%)
10K6.21 mi3.10 mi20016+937477+877477+8719945(Top 70%)7438(Top 61%)7438(Top 571%)
15K9.32 mi3.11 mi20171-1557569-927569-9220538(Top 72%)7737(Top 63%)7737(Top 594%)
20K12.43 mi3.11 mi20401-2307704-1357704-13521098(Top 74%)8112(Top 66%)8112(Top 623%)
Half13.11 mi0.68 mi20463-627744-407744-4021586(Top 76%)8355(Top 68%)8355(Top 641%)
25K15.53 mi2.42 mi20655-1927851-1077851-10721247(Top 75%)8229(Top 67%)8229(Top 632%)
30K18.64 mi3.11 mi20596+597865-147865-1420534(Top 72%)7953(Top 65%)7953(Top 610%)
20M20.00 mi1.36 mi20553+437857+87857+820131(Top 71%)7871(Top 64%)7871(Top 604%)
21M21.00 mi1.00 mi20577-247893-367893-3620795(Top 73%)8340(Top 68%)8340(Top 640%)
35K21.75 mi0.75 mi20590-137914-217914-2120848(Top 73%)8418(Top 69%)8418(Top 646%)
23M23.00 mi1.25 mi20481+1097876+387876+3818548(Top 65%)7264(Top 59%)7264(Top 557%)
24M24.00 mi1.00 mi20567-867942-667942-6621648(Top 76%)8936(Top 73%)8936(Top 686%)
40K24.85 mi0.85 mi20595-287979-377979-3720525(Top 72%)8421(Top 69%)8421(Top 646%)
25.2M25.20 mi0.35 mi20538+577950+297950+2916011(Top 56%)6116(Top 50%)6116(Top 469%)
Finish26.22 mi1.02 mi20439+997911+397911+3916298(Top 57%)6202(Top 51%)6202(Top 476%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20538

Females

7737

F50-54

7737

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

19945

Females

7438

F50-54

7438

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20538

Females

7737

F50-54

7737

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

21098

Females

8112

F50-54

8112

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

21586

Females

8355

F50-54

8355

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

21247

Females

8229

F50-54

8229

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

20534

Females

7953

F50-54

7953

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

20131

Females

7871

F50-54

7871

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

20795

Females

8340

F50-54

8340

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20848

Females

8418

F50-54

8418

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18548

Females

7264

F50-54

7264

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21648

Females

8936

F50-54

8936

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20525

Females

8421

F50-54

8421

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

16011

Females

6116

F50-54

6116

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16298

Females

6202

F50-54

6202

Passing Analysis

Category:
Athletes Passed
1579
Passed By
1909
Net Change
-330
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20109
5K → 10K326233+93#20109#20016
10K → 15K135290-155#20016#20171
15K → 20K125355-230#20171#20401
20K → Half1476-62#20401#20463
Half → 25K98290-192#20463#20655
25K → 30K247188+59#20655#20596
30K → 20M11572+43#20596#20553
20M → 21M83107-24#20553#20577
21M → 35K4356-13#20577#20590
35K → 23M13829+109#20590#20481
23M → 24M35121-86#20481#20567
24M → 40K4977-28#20567#20595
40K → 25.2M614+57#20595#20538
25.2M → Finish11011+99#20538#20439
TOTALS15791909-330
📊

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