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BOSTON MARATHON 2025

Amy Jian

Bib: 9722•F

NY

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
23:53
Rank: #13894
Start → 5K
23:53 | 7:41/mi
10K· 6.21 mi
48:26
Rank: #14757 (-863)
5K → 10K
24:33 | 7:54/mi
15K· 9.32 mi
1:13:28
Rank: #15355 (-598)
10K → 15K
25:02 | 8:03/mi
20K· 12.43 mi
1:39:25
Rank: #15926 (-571)
15K → 20K
25:57 | 8:21/mi
Half· 13.11 mi
1:44:40
Rank: #15806 (+120)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
2:04:30
Rank: #15674 (+132)
Half → 25K
19:50 | 8:11/mi
30K· 18.64 mi
2:31:53
Rank: #15859 (-185)
25K → 30K
27:23 | 8:49/mi
20M
2:44:21
Rank: #15987 (-128)
30K → 20M
12:28 | 9:10/mi
21M
2:54:33
Rank: #16161 (-174)
20M → 21M
10:12 | 10:12/mi
35K· 21.75 mi
3:03:02
Rank: #16728 (-567)
21M → 35K
8:29 | 11:20/mi
23M
3:17:07
Rank: #17479 (-751)
35K → 23M
14:05 | 11:15/mi
24M
3:29:40
Rank: #18368 (-889)
23M → 24M
12:33 | 12:33/mi
40K· 24.85 mi
3:38:30
Rank: #18549 (-181)
24M → 40K
8:50 | 10:20/mi
25.2M
3:42:00
Rank: #18542 (+7)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:49:24
Rank: #18184 (+358)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:40
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time2:04:44
Pace9:31 /mi
📊Positive Split: 19.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0223:537:4123:53
7:41
-
10K
6.21 mi11:14:3548:267:4824:33
7:54
+0:13
15K
9.32 mi11:39:371:13:287:5325:02
8:03
+0:09
20K
12.43 mi12:05:341:39:258:0025:57
8:21
+0:18
Half
13.11 mi12:10:491:44:407:595:15
7:42
-0:39
25K
15.53 mi12:30:392:04:308:0119:50
8:11
+0:29
30K
18.64 mi12:58:022:31:538:0927:23
8:49
+0:38
20M
20.00 mi13:10:302:44:218:1312:28
9:10
+0:21
21M
21.00 mi13:20:422:54:338:1910:12
10:12
+1:02
35K
21.75 mi13:29:113:03:028:258:29
11:20
+1:08
23M
23.00 mi13:43:163:17:078:3414:05
11:15
-0:05
24M
24.00 mi13:55:493:29:408:4412:33
12:33
+1:18
40K
24.85 mi14:04:393:38:308:478:50
10:20
-2:13
25.2M
25.20 mi14:08:093:42:008:493:30
10:09
-0:11
Finish
26.22 mi14:15:333:49:248:457:24
7:16
-2:53

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

7:16 /mi

Average Pace

8:45 /mi

Slowest Pace

12:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:05

27% of race

Time at Steady Pace

1:50:40

48% of race

Time at Slower Pace

57:39

25% of race

Average Pace: 8:45 /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 mi10:50:0223:537:4123:53
7:41
#13894
10K
6.21 mi11:14:3548:267:4824:33
7:54
#14757
15K
9.32 mi11:39:371:13:287:5325:02
8:03
#15355
20K
12.43 mi12:05:341:39:258:0025:57
8:21
#15926
Half
13.11 mi12:10:491:44:407:595:15
7:42
#15806
25K
15.53 mi12:30:392:04:308:0119:50
8:11
#15674
30K
18.64 mi12:58:022:31:538:0927:23
8:49
#15859
20M
20.00 mi13:10:302:44:218:1312:28
9:10
#15987
21M
21.00 mi13:20:422:54:338:1910:12
10:12
#16161
35K
21.75 mi13:29:113:03:028:258:29
11:20
#16728
23M
23.00 mi13:43:163:17:078:3414:05
11:15
#17479
24M
24.00 mi13:55:493:29:408:4412:33
12:33
#18368
40K
24.85 mi14:04:393:38:308:478:50
10:20
#18549
25.2M
25.20 mi14:08:093:42:008:493:30
10:09
#18542
Finish
26.22 mi14:15:333:49:248:457:24
7:16
#18184
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138943840384016483(Top 58%)5426(Top 44%)5426(Top 99%)
10K6.21 mi3.10 mi14757-8634408-5684408-56815698(Top 55%)4948(Top 40%)4948(Top 90%)
15K9.32 mi3.11 mi15355-5984763-3554763-35516483(Top 58%)5426(Top 44%)5426(Top 99%)
20K12.43 mi3.11 mi15926-5715103-3405103-34017259(Top 61%)5922(Top 48%)5922(Top 108%)
Half13.11 mi0.68 mi15806+1205034+695034+6913459(Top 47%)3770(Top 31%)3770(Top 69%)
25K15.53 mi2.42 mi15674+1324983+514983+5115201(Top 54%)4856(Top 40%)4856(Top 89%)
30K18.64 mi3.11 mi15859-1855142-1595142-15916697(Top 59%)5862(Top 48%)5862(Top 107%)
20M20.00 mi1.36 mi15987-1285263-1215263-12117672(Top 62%)6516(Top 53%)6516(Top 119%)
21M21.00 mi1.00 mi16161-1745387-1245387-12419028(Top 67%)7340(Top 60%)7340(Top 134%)
35K21.75 mi0.75 mi16728-5675730-3435730-34324835(Top 87%)10495(Top 86%)10495(Top 192%)
23M23.00 mi1.25 mi17479-7516214-4846214-48423780(Top 84%)9992(Top 82%)9992(Top 183%)
24M24.00 mi1.00 mi18368-8896718-5046718-50426371(Top 93%)11306(Top 92%)11306(Top 207%)
40K24.85 mi0.85 mi18549-1816847-1296847-12921476(Top 76%)8910(Top 73%)8910(Top 163%)
25.2M25.20 mi0.35 mi18542+76859-126859-1217728(Top 62%)6980(Top 57%)6980(Top 128%)
Finish26.22 mi1.02 mi18184+3586675+1846675+1847560(Top 27%)1896(Top 16%)1896(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16483

Females

5426

F18-39

5426

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15698

Females

4948

F18-39

4948

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16483

Females

5426

F18-39

5426

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17259

Females

5922

F18-39

5922

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13459

Females

3770

F18-39

3770

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

15201

Females

4856

F18-39

4856

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16697

Females

5862

F18-39

5862

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17672

Females

6516

F18-39

6516

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

19028

Females

7340

F18-39

7340

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

24835

Females

10495

F18-39

10495

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23780

Females

9992

F18-39

9992

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

26371

Females

11306

F18-39

11306

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21476

Females

8910

F18-39

8910

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17728

Females

6980

F18-39

6980

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7560

Females

1896

F18-39

1896

Passing Analysis

Category:
Athletes Passed
1370
Passed By
5660
Net Change
-4290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13894
5K → 10K85948-863#13894#14757
10K → 15K66664-598#14757#15355
15K → 20K84655-571#15355#15926
20K → Half1255+120#15926#15806
Half → 25K23199+132#15806#15674
25K → 30K170355-185#15674#15859
30K → 20M83211-128#15859#15987
20M → 21M57231-174#15987#16161
21M → 35K6573-567#16161#16728
35K → 23M24775-751#16728#17479
23M → 24M10899-889#17479#18368
24M → 40K28209-181#18368#18549
40K → 25.2M4336+7#18549#18542
25.2M → Finish3580+358#18542#18184
TOTALS13705660-4290
📊

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