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BOSTON MARATHON 2025

Julia Mardo

Bib: 19590•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Masters (Masters Women)
#0 / 6759
Top 23%
Division (F40-44)
#0 / 1718
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:50
Rank: #16533
Start → 5K
24:50 | 8:00/mi
10K· 6.21 mi
50:06
Rank: #16991 (-458)
5K → 10K
25:16 | 8:08/mi
15K· 9.32 mi
1:15:15
Rank: #16881 (+110)
10K → 15K
25:09 | 8:06/mi
20K· 12.43 mi
1:40:36
Rank: #16645 (+236)
15K → 20K
25:21 | 8:10/mi
Half· 13.11 mi
1:46:01
Rank: #16578 (+67)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:05:48
Rank: #16314 (+264)
Half → 25K
19:47 | 8:10/mi
30K· 18.64 mi
2:31:54
Rank: #15863 (+451)
25K → 30K
26:06 | 8:24/mi
20M
2:43:20
Rank: #15607 (+256)
30K → 20M
11:26 | 8:25/mi
21M
2:52:13
Rank: #15401 (+206)
20M → 21M
8:53 | 8:53/mi
35K· 21.75 mi
2:58:16
Rank: #15279 (+122)
21M → 35K
6:03 | 8:05/mi
23M
3:08:41
Rank: #15061 (+218)
35K → 23M
10:25 | 8:19/mi
24M
3:16:41
Rank: #14851 (+210)
23M → 24M
8:00 | 8:00/mi
40K· 24.85 mi
3:23:43
Rank: #14713 (+138)
24M → 40K
7:02 | 8:14/mi
25.2M
3:26:41
Rank: #14606 (+107)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:34:37
Rank: #14460 (+146)
25.2M → Finish
7:56 | 7:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:01
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:48:36
Pace8:17 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5124:508:0024:50
8:00
-
10K
6.21 mi11:42:0750:068:0425:16
8:08
+0:08
15K
9.32 mi12:07:161:15:158:0425:09
8:06
-0:02
20K
12.43 mi12:32:371:40:368:0625:21
8:10
+0:04
Half
13.11 mi12:38:021:46:018:055:25
7:56
-0:14
25K
15.53 mi12:57:492:05:488:0619:47
8:10
+0:14
30K
18.64 mi13:23:552:31:548:0926:06
8:24
+0:14
20M
20.00 mi13:35:212:43:208:1011:26
8:25
+0:01
21M
21.00 mi13:44:142:52:138:128:53
8:53
+0:28
35K
21.75 mi13:50:172:58:168:126:03
8:05
-0:48
23M
23.00 mi14:00:423:08:418:1210:25
8:19
+0:14
24M
24.00 mi14:08:423:16:418:128:00
8:00
-0:19
40K
24.85 mi14:15:443:23:438:127:02
8:14
+0:14
25.2M
25.20 mi14:18:423:26:418:122:58
8:36
+0:22
Finish
26.22 mi14:26:383:34:378:117:56
7:47
-0:49

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

7:47 /mi

Average Pace

8:11 /mi

Slowest Pace

8:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:46

94% of race

Time at Steady Pace

11:51

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi11:16:5124:508:0024:50
8:00
#16533
10K
6.21 mi11:42:0750:068:0425:16
8:08
#16991
15K
9.32 mi12:07:161:15:158:0425:09
8:06
#16881
20K
12.43 mi12:32:371:40:368:0625:21
8:10
#16645
Half
13.11 mi12:38:021:46:018:055:25
7:56
#16578
25K
15.53 mi12:57:492:05:488:0619:47
8:10
#16314
30K
18.64 mi13:23:552:31:548:0926:06
8:24
#15863
20M
20.00 mi13:35:212:43:208:1011:26
8:25
#15607
21M
21.00 mi13:44:142:52:138:128:53
8:53
#15401
35K
21.75 mi13:50:172:58:168:126:03
8:05
#15279
23M
23.00 mi14:00:423:08:418:1210:25
8:19
#15061
24M
24.00 mi14:08:423:16:418:128:00
8:00
#14851
40K
24.85 mi14:15:443:23:438:127:02
8:14
#14713
25.2M
25.20 mi14:18:423:26:418:122:58
8:36
#14606
Finish
26.22 mi14:26:383:34:378:117:56
7:47
#14460
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi165335469546916707(Top 59%)5560(Top 45%)5560(Top 324%)
10K6.21 mi3.10 mi16991-4585719-2505719-25017436(Top 61%)5958(Top 49%)5958(Top 347%)
15K9.32 mi3.11 mi16881+1105650+695650+6916707(Top 59%)5560(Top 45%)5560(Top 324%)
20K12.43 mi3.11 mi16645+2365528+1225528+12216042(Top 56%)5235(Top 43%)5235(Top 305%)
Half13.11 mi0.68 mi16578+675488+405488+4015471(Top 54%)4871(Top 40%)4871(Top 284%)
25K15.53 mi2.42 mi16314+2645349+1395349+13915052(Top 53%)4759(Top 39%)4759(Top 277%)
30K18.64 mi3.11 mi15863+4515143+2065143+20614157(Top 50%)4461(Top 36%)4461(Top 260%)
20M20.00 mi1.36 mi15607+2565037+1065037+10613266(Top 47%)4127(Top 34%)4127(Top 240%)
21M21.00 mi1.00 mi15401+2064951+864951+8612853(Top 45%)4050(Top 33%)4050(Top 236%)
35K21.75 mi0.75 mi15279+1224896+554896+5512890(Top 45%)4109(Top 34%)4109(Top 239%)
23M23.00 mi1.25 mi15061+2184805+914805+9112189(Top 43%)3846(Top 31%)3846(Top 224%)
24M24.00 mi1.00 mi14851+2104718+874718+8711291(Top 40%)3471(Top 28%)3471(Top 202%)
40K24.85 mi0.85 mi14713+1384670+484670+4811760(Top 41%)3795(Top 31%)3795(Top 221%)
25.2M25.20 mi0.35 mi14606+1074619+514619+519557(Top 34%)2834(Top 23%)2834(Top 165%)
Finish26.22 mi1.02 mi14460+1464568+514568+5111369(Top 40%)3655(Top 30%)3655(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16707

Females

5560

F40-44

5560

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17436

Females

5958

F40-44

5958

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16707

Females

5560

F40-44

5560

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

16042

Females

5235

F40-44

5235

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15471

Females

4871

F40-44

4871

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

15052

Females

4759

F40-44

4759

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

14157

Females

4461

F40-44

4461

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13266

Females

4127

F40-44

4127

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12853

Females

4050

F40-44

4050

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12890

Females

4109

F40-44

4109

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12189

Females

3846

F40-44

3846

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11291

Females

3471

F40-44

3471

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11760

Females

3795

F40-44

3795

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9557

Females

2834

F40-44

2834

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11369

Females

3655

F40-44

3655

Passing Analysis

Category:
Athletes Passed
3088
Passed By
1015
Net Change
+2073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16533
5K → 10K142600-458#16533#16991
10K → 15K261151+110#16991#16881
15K → 20K32892+236#16881#16645
20K → Half736+67#16645#16578
Half → 25K30137+264#16578#16314
25K → 30K48029+451#16314#15863
30K → 20M27115+256#15863#15607
20M → 21M22923+206#15607#15401
21M → 35K13311+122#15401#15279
35K → 23M23416+218#15279#15061
23M → 24M2144+210#15061#14851
24M → 40K15012+138#14851#14713
40K → 25.2M1081+107#14713#14606
25.2M → Finish16418+146#14606#14460
TOTALS30881015+2073
📊

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