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BOSTON MARATHON 2025

Jacklyn Juhl

Bib: 19554•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Masters (Masters Women)
#0 / 6759
Top 15%
Division (F40-44)
#0 / 1718
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:12
Rank: #14721
Start → 5K
24:12 | 7:47/mi
10K· 6.21 mi
47:55
Rank: #14007 (+714)
5K → 10K
23:43 | 7:38/mi
15K· 9.32 mi
1:11:30
Rank: #13501 (+506)
10K → 15K
23:35 | 7:35/mi
20K· 12.43 mi
1:35:09
Rank: #12982 (+519)
15K → 20K
23:39 | 7:37/mi
Half· 13.11 mi
1:40:20
Rank: #12937 (+45)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:59:03
Rank: #12707 (+230)
Half → 25K
18:43 | 7:43/mi
30K· 18.64 mi
2:24:29
Rank: #12666 (+41)
25K → 30K
25:26 | 8:11/mi
20M
2:35:39
Rank: #12587 (+79)
30K → 20M
11:10 | 8:13/mi
21M
2:44:31
Rank: #12581 (+6)
20M → 21M
8:52 | 8:52/mi
35K· 21.75 mi
2:50:36
Rank: #12572 (+9)
21M → 35K
6:05 | 8:08/mi
23M
3:01:10
Rank: #12579 (-7)
35K → 23M
10:34 | 8:26/mi
24M
3:09:37
Rank: #12650 (-71)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:16:57
Rank: #12683 (-33)
24M → 40K
7:20 | 8:35/mi
25.2M
3:20:10
Rank: #12699 (-16)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:28:24
Rank: #12710 (-11)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:20
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:48:04
Pace8:15 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5124:127:4724:12
7:47
-
10K
6.21 mi11:39:3447:557:4323:43
7:38
-0:09
15K
9.32 mi12:03:091:11:307:4023:35
7:35
-0:03
20K
12.43 mi12:26:481:35:097:3923:39
7:37
+0:02
Half
13.11 mi12:31:591:40:207:395:11
7:36
-0:01
25K
15.53 mi12:50:421:59:037:4018:43
7:43
+0:07
30K
18.64 mi13:16:082:24:297:4525:26
8:11
+0:28
20M
20.00 mi13:27:182:35:397:4711:10
8:13
+0:02
21M
21.00 mi13:36:102:44:317:508:52
8:52
+0:39
35K
21.75 mi13:42:152:50:367:516:05
8:08
-0:44
23M
23.00 mi13:52:493:01:107:5310:34
8:26
+0:18
24M
24.00 mi14:01:163:09:377:548:27
8:27
+0:01
40K
24.85 mi14:08:363:16:577:557:20
8:35
+0:08
25.2M
25.20 mi14:11:493:20:107:573:13
9:20
+0:45
Finish
26.22 mi14:20:033:28:247:578:14
8:05
-1:15

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

7:35 /mi

Average Pace

7:57 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:03

57% of race

Time at Steady Pace

50:55

24% of race

Time at Slower Pace

38:26

18% 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 mi11:15:5124:127:4724:12
7:47
#14721
10K
6.21 mi11:39:3447:557:4323:43
7:38
#14007
15K
9.32 mi12:03:091:11:307:4023:35
7:35
#13501
20K
12.43 mi12:26:481:35:097:3923:39
7:37
#12982
Half
13.11 mi12:31:591:40:207:395:11
7:36
#12937
25K
15.53 mi12:50:421:59:037:4018:43
7:43
#12707
30K
18.64 mi13:16:082:24:297:4525:26
8:11
#12666
20M
20.00 mi13:27:182:35:397:4711:10
8:13
#12587
21M
21.00 mi13:36:102:44:317:508:52
8:52
#12581
35K
21.75 mi13:42:152:50:367:516:05
8:08
#12572
23M
23.00 mi13:52:493:01:107:5310:34
8:26
#12579
24M
24.00 mi14:01:163:09:377:548:27
8:27
#12650
40K
24.85 mi14:08:363:16:577:557:20
8:35
#12683
25.2M
25.20 mi14:11:493:20:107:573:13
9:20
#12699
Finish
26.22 mi14:20:033:28:247:578:14
8:05
#12710
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi147214358435812539(Top 44%)3186(Top 26%)3186(Top 185%)
10K6.21 mi3.10 mi14007+7143946+4123946+41213321(Top 47%)3564(Top 29%)3564(Top 207%)
15K9.32 mi3.11 mi13501+5063688+2583688+25812539(Top 44%)3186(Top 26%)3186(Top 185%)
20K12.43 mi3.11 mi12982+5193435+2533435+25311708(Top 41%)2846(Top 23%)2846(Top 166%)
Half13.11 mi0.68 mi12937+453414+213414+2112619(Top 44%)3303(Top 27%)3303(Top 192%)
25K15.53 mi2.42 mi12707+2303310+1043310+10411728(Top 41%)2987(Top 24%)2987(Top 174%)
30K18.64 mi3.11 mi12666+413361-513361-5112733(Top 45%)3681(Top 30%)3681(Top 214%)
20M20.00 mi1.36 mi12587+793355+63355+611937(Top 42%)3413(Top 28%)3413(Top 199%)
21M21.00 mi1.00 mi12581+63382-273382-2712728(Top 45%)3989(Top 33%)3989(Top 232%)
35K21.75 mi0.75 mi12572+93402-203402-2013157(Top 46%)4241(Top 35%)4241(Top 247%)
23M23.00 mi1.25 mi12579-73440-383440-3812939(Top 46%)4233(Top 35%)4233(Top 246%)
24M24.00 mi1.00 mi12650-713499-593499-5914206(Top 50%)4925(Top 40%)4925(Top 287%)
40K24.85 mi0.85 mi12683-333551-523551-5213937(Top 49%)4923(Top 40%)4923(Top 287%)
25.2M25.20 mi0.35 mi12699-163575-243575-2413631(Top 48%)4811(Top 39%)4811(Top 280%)
Finish26.22 mi1.02 mi12710-113612-373612-3713461(Top 47%)4669(Top 38%)4669(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12539

Females

3186

F40-44

3186

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

13321

Females

3564

F40-44

3564

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12539

Females

3186

F40-44

3186

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11708

Females

2846

F40-44

2846

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12619

Females

3303

F40-44

3303

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11728

Females

2987

F40-44

2987

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12733

Females

3681

F40-44

3681

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11937

Females

3413

F40-44

3413

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12728

Females

3989

F40-44

3989

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13157

Females

4241

F40-44

4241

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12939

Females

4233

F40-44

4233

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14206

Females

4925

F40-44

4925

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13937

Females

4923

F40-44

4923

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13631

Females

4811

F40-44

4811

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13461

Females

4669

F40-44

4669

Passing Analysis

Category:
Athletes Passed
3100
Passed By
1089
Net Change
+2011
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14721
5K → 10K77864+714#14721#14007
10K → 15K53428+506#14007#13501
15K → 20K54122+519#13501#12982
20K → Half5712+45#12982#12937
Half → 25K27747+230#12937#12707
25K → 30K249208+41#12707#12666
30K → 20M14364+79#12666#12587
20M → 21M110104+6#12587#12581
21M → 35K7364+9#12581#12572
35K → 23M111118-7#12572#12579
23M → 24M51122-71#12579#12650
24M → 40K72105-33#12650#12683
40K → 25.2M2844-16#12683#12699
25.2M → Finish7687-11#12699#12710
TOTALS31001089+2011
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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