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BOSTON MARATHON 2025

Shi Han

Bib: 24502•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:34/mi
32:51
↑ 97↓ 3451.5%
10K· 6.21 mi
10:54/mi
1:06:44
↑ 79↓ 1380.4%
15K· 9.32 mi
10:59/mi
1:40:50
↑ 67↓ 78
20K· 12.43 mi
11:35/mi
2:16:48
↑ 106↓ 860.1%
Half· 13.11 mi
10:41/mi
2:24:05
↑ 19↓ 370.5%
25K· 15.53 mi
11:54/mi
2:52:57
↑ 66↓ 880.2%
30K· 18.64 mi
12:01/mi
3:30:16
↑ 181↓ 1480.2%
20M
11:24/mi
3:45:46
↑ 64↓ 500.2%
21M
15:05/mi
4:00:51
↑ 106↓ 241.6%
35K· 21.75 mi
11:50/mi
4:09:42
↑ 17↓ 861.7%
23M
11:21/mi
4:23:55
↑ 23↓ 630.6%
24M
10:15/mi
4:34:10
↓ 821.3%
40K· 24.85 mi
10:19/mi
4:42:59
↓ 200.3%
25.2M
11:24/mi
4:46:55
↑ 13↓ 160.2%
Finish· 26.22 mi
9:55/mi
4:57:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:05
Pace10:59 /mi
2nd Half
Distance13.11 mi
Time2:32:56
Pace11:40 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:34:3032:5110:3432:51
10:34
-
10K
6.21 mi12:08:231:06:4410:4433:53
10:54
+0:20
15K
9.32 mi12:42:291:40:5010:4934:06
10:59
+0:05
20K
12.43 mi13:18:272:16:4811:0035:58
11:35
+0:36
Half
13.11 mi13:25:442:24:0510:597:17
10:41
-0:54
25K
15.53 mi13:54:362:52:5711:0828:52
11:54
+1:13
30K
18.64 mi14:31:553:30:1611:1737:19
12:01
+0:07
20M
20.00 mi14:47:253:45:4611:1715:30
11:24
-0:37
21M
21.00 mi15:02:304:00:5111:2815:05
15:05
+3:41
35K
21.75 mi15:11:214:09:4211:298:51
11:50
-3:15
23M
23.00 mi15:25:344:23:5511:2814:13
11:21
-0:29
24M
24.00 mi15:35:494:34:1011:2510:15
10:15
-1:06
40K
24.85 mi15:44:384:42:5911:238:49
10:19
+0:04
25.2M
25.20 mi15:48:344:46:5511:233:56
11:24
+1:05
Finish
26.22 mi15:58:404:57:0111:2010:06
9:55
-1:29

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

9:55 /mi

Average Pace

11:20 /mi

Slowest Pace

15:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:18

23% of race

Time at Steady Pace

2:55:19

59% of race

Time at Slower Pace

52:24

18% of race

Average Pace: 11:20 /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 mi11:34:3032:5110:3432:51
10:34
#26908
10K
6.21 mi12:08:231:06:4410:4433:53
10:54
#26908
15K
9.32 mi12:42:291:40:5010:4934:06
10:59
#26818
20K
12.43 mi13:18:272:16:4811:0035:58
11:35
#26790
Half
13.11 mi13:25:442:24:0510:597:17
10:41
#26750
25K
15.53 mi13:54:362:52:5711:0828:52
11:54
#26689
30K
18.64 mi14:31:553:30:1611:1737:19
12:01
#26513
20M
20.00 mi14:47:253:45:4611:1715:30
11:24
#26356
21M
21.00 mi15:02:304:00:5111:2815:05
15:05
#26436
35K
21.75 mi15:11:214:09:4211:298:51
11:50
#26406
23M
23.00 mi15:25:344:23:5511:2814:13
11:21
#26300
24M
24.00 mi15:35:494:34:1011:2510:15
10:15
#26174
40K
24.85 mi15:44:384:42:5911:238:49
10:19
#26077
25.2M
25.20 mi15:48:344:46:5511:233:56
11:24
#26039
Finish
26.22 mi15:58:404:57:0111:2010:06
9:55
#25975
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi26908112711127126645(Top 94%)11159(Top 91%)11159(Top 1123%)
10K6.21 mi3.10 mi2690811291-2011291-2026930(Top 95%)11324(Top 93%)11324(Top 1139%)
15K9.32 mi3.11 mi26818+9011245+4611245+4626645(Top 94%)11159(Top 91%)11159(Top 1123%)
20K12.43 mi3.11 mi26790+2811236+911236+926710(Top 94%)11220(Top 92%)11220(Top 1129%)
Half13.11 mi0.68 mi26750+4011210+2611210+2626050(Top 92%)10852(Top 89%)10852(Top 1092%)
25K15.53 mi2.42 mi26689+6111192+1811192+1826340(Top 93%)11050(Top 90%)11050(Top 1112%)
30K18.64 mi3.11 mi26513+17611111+8111111+8125609(Top 90%)10735(Top 88%)10735(Top 1080%)
20M20.00 mi1.36 mi26356+15711041+7011041+7024377(Top 86%)10160(Top 83%)10160(Top 1022%)
21M21.00 mi1.00 mi26436-8011090-4911090-4927216(Top 96%)11681(Top 96%)11681(Top 1175%)
35K21.75 mi0.75 mi26406+3011085+511085+525595(Top 90%)10900(Top 89%)10900(Top 1097%)
23M23.00 mi1.25 mi26300+10611039+4611039+4623987(Top 84%)10095(Top 83%)10095(Top 1016%)
24M24.00 mi1.00 mi26174+12610976+6310976+6322066(Top 78%)9175(Top 75%)9175(Top 923%)
40K24.85 mi0.85 mi26077+9710920+5610920+5621382(Top 75%)8874(Top 73%)8874(Top 893%)
25.2M25.20 mi0.35 mi26039+3810900+2010900+2021737(Top 77%)9043(Top 74%)9043(Top 910%)
Finish26.22 mi1.02 mi25975+6410880+2010880+2022630(Top 80%)9487(Top 78%)9487(Top 954%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

26645

Females

11159

F55-59

11159

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

26930

Females

11324

F55-59

11324

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

26645

Females

11159

F55-59

11159

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

26710

Females

11220

F55-59

11220

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26050

Females

10852

F55-59

10852

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26340

Females

11050

F55-59

11050

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25609

Females

10735

F55-59

10735

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24377

Females

10160

F55-59

10160

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27216

Females

11681

F55-59

11681

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

25595

Females

10900

F55-59

10900

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23987

Females

10095

F55-59

10095

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22066

Females

9175

F55-59

9175

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21382

Females

8874

F55-59

8874

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21737

Females

9043

F55-59

9043

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22630

Females

9487

F55-59

9487

Passing Analysis

Category:
Athletes Passed
1446
Passed By
513
Net Change
+933
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26908
5K → 10K1571570#26908#26908
10K → 15K16777+90#26908#26818
15K → 20K10880+28#26818#26790
20K → Half433+40#26790#26750
Half → 25K12261+61#26750#26689
25K → 30K19418+176#26689#26513
30K → 20M1581+157#26513#26356
20M → 21M1999-80#26356#26436
21M → 35K377+30#26436#26406
35K → 23M1115+106#26406#26300
23M → 24M1260+126#26300#26174
24M → 40K981+97#26174#26077
40K → 25.2M380+38#26077#26039
25.2M → Finish684+64#26039#25975
TOTALS1446513+933
📊

Passing Visuals

Category:
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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