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BOSTON MARATHON 2025

Juliana Hassett-Salley

Bib: 28357•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
27:38
Rank: #21975
Start → 5K
27:38 | 8:54/mi
10K· 6.21 mi
54:18
Rank: #21099 (+876)
5K → 10K
26:40 | 8:35/mi
15K· 9.32 mi
1:20:43
Rank: #20538 (+561)
10K → 15K
26:25 | 8:30/mi
20K· 12.43 mi
1:47:53
Rank: #20300 (+238)
15K → 20K
27:10 | 8:45/mi
Half· 13.11 mi
1:53:45
Rank: #20281 (+19)
20K → Half
5:52 | 8:36/mi
25K· 15.53 mi
2:14:52
Rank: #19953 (+328)
Half → 25K
21:07 | 8:43/mi
30K· 18.64 mi
2:43:16
Rank: #19637 (+316)
25K → 30K
28:24 | 9:08/mi
20M
2:55:44
Rank: #19492 (+145)
30K → 20M
12:28 | 9:10/mi
21M
3:05:31
Rank: #19357 (+135)
20M → 21M
9:47 | 9:47/mi
35K· 21.75 mi
3:12:08
Rank: #19291 (+66)
21M → 35K
6:37 | 8:51/mi
23M
3:23:36
Rank: #19160 (+131)
35K → 23M
11:28 | 9:09/mi
24M
3:32:38
Rank: #19089 (+71)
23M → 24M
9:02 | 9:02/mi
40K· 24.85 mi
3:40:35
Rank: #19014 (+75)
24M → 40K
7:57 | 9:18/mi
25.2M
3:43:59
Rank: #18975 (+39)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:52:55
Rank: #18934 (+41)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:45
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time1:59:10
Pace9:05 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3127:388:5427:38
8:54
-
10K
6.21 mi12:15:1154:188:4426:40
8:35
-0:19
15K
9.32 mi12:41:361:20:438:4026:25
8:30
-0:05
20K
12.43 mi13:08:461:47:538:4127:10
8:45
+0:15
Half
13.11 mi13:14:381:53:458:415:52
8:36
-0:09
25K
15.53 mi13:35:452:14:528:4121:07
8:43
+0:07
30K
18.64 mi14:04:092:43:168:4628:24
9:08
+0:25
20M
20.00 mi14:16:372:55:448:4712:28
9:10
+0:02
21M
21.00 mi14:26:243:05:318:509:47
9:47
+0:37
35K
21.75 mi14:33:013:12:088:506:37
8:51
-0:56
23M
23.00 mi14:44:293:23:368:5111:28
9:09
+0:18
24M
24.00 mi14:53:313:32:388:529:02
9:02
-0:07
40K
24.85 mi15:01:283:40:358:527:57
9:18
+0:16
25.2M
25.20 mi15:04:523:43:598:533:24
9:52
+0:34
Finish
26.22 mi15:13:483:52:558:538:56
8:46
-1:06

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

8:53 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:44

94% of race

Time at Steady Pace

13:11

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:53 /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 mi11:48:3127:388:5427:38
8:54
#21975
10K
6.21 mi12:15:1154:188:4426:40
8:35
#21099
15K
9.32 mi12:41:361:20:438:4026:25
8:30
#20538
20K
12.43 mi13:08:461:47:538:4127:10
8:45
#20300
Half
13.11 mi13:14:381:53:458:415:52
8:36
#20281
25K
15.53 mi13:35:452:14:528:4121:07
8:43
#19953
30K
18.64 mi14:04:092:43:168:4628:24
9:08
#19637
20M
20.00 mi14:16:372:55:448:4712:28
9:10
#19492
21M
21.00 mi14:26:243:05:318:509:47
9:47
#19357
35K
21.75 mi14:33:013:12:088:506:37
8:51
#19291
23M
23.00 mi14:44:293:23:368:5111:28
9:09
#19160
24M
24.00 mi14:53:313:32:388:529:02
9:02
#19089
40K
24.85 mi15:01:283:40:358:527:57
9:18
#19014
25.2M
25.20 mi15:04:523:43:598:533:24
9:52
#18975
Finish
26.22 mi15:13:483:52:558:538:56
8:46
#18934
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi219758608860819348(Top 68%)7092(Top 58%)7092(Top 130%)
10K6.21 mi3.10 mi21099+8768106+5028106+50220273(Top 71%)7619(Top 62%)7619(Top 139%)
15K9.32 mi3.11 mi20538+5617774+3327774+33219348(Top 68%)7092(Top 58%)7092(Top 130%)
20K12.43 mi3.11 mi20300+2387647+1277647+12719659(Top 69%)7294(Top 60%)7294(Top 133%)
Half13.11 mi0.68 mi20281+197641+67641+619842(Top 70%)7380(Top 60%)7380(Top 135%)
25K15.53 mi2.42 mi19953+3287458+1837458+18318474(Top 65%)6697(Top 55%)6697(Top 122%)
30K18.64 mi3.11 mi19637+3167320+1387320+13818368(Top 65%)6771(Top 55%)6771(Top 124%)
20M20.00 mi1.36 mi19492+1457261+597261+5917679(Top 62%)6523(Top 53%)6523(Top 119%)
21M21.00 mi1.00 mi19357+1357206+557206+5517431(Top 61%)6501(Top 53%)6501(Top 119%)
35K21.75 mi0.75 mi19291+667180+267180+2617530(Top 62%)6656(Top 54%)6656(Top 122%)
23M23.00 mi1.25 mi19160+1317134+467134+4617158(Top 60%)6536(Top 53%)6536(Top 120%)
24M24.00 mi1.00 mi19089+717116+187116+1817562(Top 62%)6798(Top 56%)6798(Top 124%)
40K24.85 mi0.85 mi19014+757108+87108+817873(Top 63%)7072(Top 58%)7072(Top 129%)
25.2M25.20 mi0.35 mi18975+397095+137095+1316461(Top 58%)6322(Top 52%)6322(Top 116%)
Finish26.22 mi1.02 mi18934+417089+67089+617891(Top 63%)7026(Top 57%)7026(Top 128%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

19348

Females

7092

F18-39

7092

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

20273

Females

7619

F18-39

7619

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

19348

Females

7092

F18-39

7092

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19659

Females

7294

F18-39

7294

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19842

Females

7380

F18-39

7380

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18474

Females

6697

F18-39

6697

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18368

Females

6771

F18-39

6771

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17679

Females

6523

F18-39

6523

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17431

Females

6501

F18-39

6501

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17530

Females

6656

F18-39

6656

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

17158

Females

6536

F18-39

6536

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17562

Females

6798

F18-39

6798

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17873

Females

7072

F18-39

7072

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16461

Females

6322

F18-39

6322

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

17891

Females

7026

F18-39

7026

Passing Analysis

Category:
Athletes Passed
3521
Passed By
480
Net Change
+3041
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21975
5K → 10K91438+876#21975#21099
10K → 15K59332+561#21099#20538
15K → 20K30668+238#20538#20300
20K → Half4324+19#20300#20281
Half → 25K35224+328#20281#19953
25K → 30K39579+316#19953#19637
30K → 20M18035+145#19637#19492
20M → 21M16429+135#19492#19357
21M → 35K7812+66#19357#19291
35K → 23M15827+131#19291#19160
23M → 24M10332+71#19160#19089
24M → 40K10934+75#19089#19014
40K → 25.2M4910+39#19014#18975
25.2M → Finish7736+41#18975#18934
TOTALS3521480+3041
📊

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