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BOSTON MARATHON 2025

Jenny Duckett

Bib: 17559•F

UT

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:48
Rank: #16464
Start → 5K
7:59/mi
24:48 split
10K· 6.21 mi
49:32
Rank: #16282 (+182)
5K → 10K
7:58/mi
24:44 split
15K· 9.32 mi
1:14:08
Rank: #15960 (+322)
10K → 15K
7:55/mi
24:36 split
20K· 12.43 mi
1:38:55
Rank: #15635 (+325)
15K → 20K
7:59/mi
24:47 split
Half· 13.11 mi
1:44:13
Rank: #15542 (+93)
20K → Half
7:46/mi
5:18 split
25K· 15.53 mi
2:03:56
Rank: #15386 (+156)
Half → 25K
8:08/mi
19:43 split
30K· 18.64 mi
2:30:36
Rank: #15364 (+22)
25K → 30K
8:35/mi
26:40 split
20M
2:42:38
Rank: #15378 (-14)
30K → 20M
8:51/mi
12:02 split
21M
2:52:45
Rank: #15586 (-208)
20M → 21M
10:07/mi
10:07 split
35K· 21.75 mi
2:59:23
Rank: #15644 (-58)
21M → 35K
8:52/mi
6:38 split
23M
3:11:38
Rank: #15903 (-259)
35K → 23M
9:47/mi
12:15 split
24M
3:20:57
Rank: #16047 (-144)
23M → 24M
9:19/mi
9:19 split
40K· 24.85 mi
3:29:25
Rank: #16249 (-202)
24M → 40K
9:54/mi
8:28 split
25.2M
3:33:26
Rank: #16405 (-156)
40K → 25.2M
11:39/mi
4:01 split
Finish· 26.22 mi
3:43:49
Rank: #16844 (-439)
25.2M → Finish
10:11/mi
10:23 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:13
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:59:36
Pace9:07 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3424:487:5924:48
7:59
-
10K
6.21 mi11:40:1849:327:5824:44
7:58
-0:01
15K
9.32 mi12:04:541:14:087:5724:36
7:55
-0:03
20K
12.43 mi12:29:411:38:557:5824:47
7:59
+0:04
Half
13.11 mi12:34:591:44:137:575:18
7:46
-0:13
25K
15.53 mi12:54:422:03:567:5919:43
8:08
+0:22
30K
18.64 mi13:21:222:30:368:0526:40
8:35
+0:27
20M
20.00 mi13:33:242:42:388:0812:02
8:51
+0:16
21M
21.00 mi13:43:312:52:458:1410:07
10:07
+1:16
35K
21.75 mi13:50:092:59:238:156:38
8:52
-1:15
23M
23.00 mi14:02:243:11:388:2012:15
9:47
+0:55
24M
24.00 mi14:11:433:20:578:229:19
9:19
-0:28
40K
24.85 mi14:20:113:29:258:268:28
9:54
+0:35
25.2M
25.20 mi14:24:123:33:268:284:01
11:39
+1:45
Finish
26.22 mi14:34:353:43:498:3310:23
10:11
-1:28

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

7:46 /mi

Average Pace

8:33 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:56

55% of race

Time at Steady Pace

54:39

24% of race

Time at Slower Pace

45:14

20% of race

Average Pace: 8:32 /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 mi11:15:3424:487:5924:48
7:59
#16464
10K
6.21 mi11:40:1849:327:5824:44
7:58
#16282
15K
9.32 mi12:04:541:14:087:5724:36
7:55
#15960
20K
12.43 mi12:29:411:38:557:5824:47
7:59
#15635
Half
13.11 mi12:34:591:44:137:575:18
7:46
#15542
25K
15.53 mi12:54:422:03:567:5919:43
8:08
#15386
30K
18.64 mi13:21:222:30:368:0526:40
8:35
#15364
20M
20.00 mi13:33:242:42:388:0812:02
8:51
#15378
21M
21.00 mi13:43:312:52:458:1410:07
10:07
#15586
35K
21.75 mi13:50:092:59:238:156:38
8:52
#15644
23M
23.00 mi14:02:243:11:388:2012:15
9:47
#15903
24M
24.00 mi14:11:433:20:578:229:19
9:19
#16047
40K
24.85 mi14:20:113:29:258:268:28
9:54
#16249
25.2M
25.20 mi14:24:123:33:268:284:01
11:39
#16405
Finish
26.22 mi14:34:353:43:498:3310:23
10:11
#16844
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi164645428542815394(Top 54%)4810(Top 39%)4810(Top 88%)
10K6.21 mi3.10 mi16282+1825316+1125316+11216175(Top 57%)5229(Top 43%)5229(Top 96%)
15K9.32 mi3.11 mi15960+3225120+1965120+19615394(Top 54%)4810(Top 39%)4810(Top 88%)
20K12.43 mi3.11 mi15635+3254952+1684952+16814769(Top 52%)4520(Top 37%)4520(Top 83%)
Half13.11 mi0.68 mi15542+934890+624890+6214108(Top 50%)4141(Top 34%)4141(Top 76%)
25K15.53 mi2.42 mi15386+1564825+654825+6514870(Top 52%)4688(Top 38%)4688(Top 86%)
30K18.64 mi3.11 mi15364+224867-424867-4215298(Top 54%)5076(Top 42%)5076(Top 93%)
20M20.00 mi1.36 mi15378-144913-464913-4615988(Top 56%)5588(Top 46%)5588(Top 102%)
21M21.00 mi1.00 mi15586-2085072-1595072-15918732(Top 66%)7190(Top 59%)7190(Top 131%)
35K21.75 mi0.75 mi15644-585119-475119-4717613(Top 62%)6688(Top 55%)6688(Top 122%)
23M23.00 mi1.25 mi15903-2595316-1975316-19719748(Top 70%)7913(Top 65%)7913(Top 145%)
24M24.00 mi1.00 mi16047-1445407-915407-9118891(Top 67%)7491(Top 61%)7491(Top 137%)
40K24.85 mi0.85 mi16249-2025543-1365543-13620137(Top 71%)8225(Top 67%)8225(Top 150%)
25.2M25.20 mi0.35 mi16405-1565646-1035646-10322444(Top 79%)9367(Top 77%)9367(Top 171%)
Finish26.22 mi1.02 mi16844-4395930-2845930-28423499(Top 83%)9921(Top 81%)9921(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15394

Females

4810

F18-39

4810

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16175

Females

5229

F18-39

5229

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15394

Females

4810

F18-39

4810

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14769

Females

4520

F18-39

4520

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14108

Females

4141

F18-39

4141

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14870

Females

4688

F18-39

4688

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

15298

Females

5076

F18-39

5076

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15988

Females

5588

F18-39

5588

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18732

Females

7190

F18-39

7190

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17613

Females

6688

F18-39

6688

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

19748

Females

7913

F18-39

7913

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

18891

Females

7491

F18-39

7491

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20137

Females

8225

F18-39

8225

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22444

Females

9367

F18-39

9367

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23499

Females

9921

F18-39

9921

Passing Analysis

Category:
Athletes Passed
2113
Passed By
2493
Net Change
-380
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16464
5K → 10K381199+182#16464#16282
10K → 15K40381+322#16282#15960
15K → 20K39065+325#15960#15635
20K → Half974+93#15635#15542
Half → 25K23882+156#15542#15386
25K → 30K251229+22#15386#15364
30K → 20M113127-14#15364#15378
20M → 21M64272-208#15378#15586
21M → 35K3997-58#15586#15644
35K → 23M61320-259#15644#15903
23M → 24M28172-144#15903#16047
24M → 40K27229-202#16047#16249
40K → 25.2M5161-156#16249#16405
25.2M → Finish16455-439#16405#16844
TOTALS21132493-380
📊

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