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BOSTON MARATHON 2025

Sut Im Ho

Bib: 29374•F

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

Start
0:00:00
Race begins
5K· 3.11 mi
29:04
Rank: #23771
Start → 5K
29:04 | 9:21/mi
10K· 6.21 mi
58:14
Rank: #23797 (-26)
5K → 10K
29:10 | 9:23/mi
15K· 9.32 mi
1:28:21
Rank: #23979 (-182)
10K → 15K
30:07 | 9:42/mi
20K· 12.43 mi
2:00:17
Rank: #24245 (-266)
15K → 20K
31:56 | 10:17/mi
Half· 13.11 mi
2:07:04
Rank: #24277 (-32)
20K → Half
6:47 | 9:57/mi
25K· 15.53 mi
2:32:46
Rank: #24339 (-62)
Half → 25K
25:42 | 10:36/mi
30K· 18.64 mi
3:09:32
Rank: #24596 (-257)
25K → 30K
36:46 | 11:50/mi
20M
3:25:04
Rank: #24591 (+5)
30K → 20M
15:32 | 11:26/mi
21M
3:38:08
Rank: #24648 (-57)
20M → 21M
13:04 | 13:04/mi
35K· 21.75 mi
3:45:58
Rank: #24604 (+44)
21M → 35K
7:50 | 10:28/mi
23M
4:00:14
Rank: #24583 (+21)
35K → 23M
14:16 | 11:24/mi
24M
4:11:29
Rank: #24579 (+4)
23M → 24M
11:15 | 11:15/mi
40K· 24.85 mi
4:21:36
Rank: #24585 (-6)
24M → 40K
10:07 | 11:50/mi
25.2M
4:25:36
Rank: #24560 (+25)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
4:36:27
Rank: #24566 (-6)
25.2M → Finish
10:51 | 10:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:04
Pace9:42 /mi
2nd Half
Distance13.11 mi
Time2:29:23
Pace11:24 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5929:049:2129:04
9:21
-
10K
6.21 mi12:17:0958:149:2229:10
9:23
+0:02
15K
9.32 mi12:47:161:28:219:2930:07
9:42
+0:19
20K
12.43 mi13:19:122:00:179:4131:56
10:17
+0:35
Half
13.11 mi13:25:592:07:049:426:47
9:57
-0:20
25K
15.53 mi13:51:412:32:469:5025:42
10:36
+0:39
30K
18.64 mi14:28:273:09:3210:1036:46
11:50
+1:14
20M
20.00 mi14:43:593:25:0410:1515:32
11:26
-0:24
21M
21.00 mi14:57:033:38:0810:2313:04
13:04
+1:38
35K
21.75 mi15:04:533:45:5810:237:50
10:28
-2:36
23M
23.00 mi15:19:094:00:1410:2714:16
11:24
+0:56
24M
24.00 mi15:30:244:11:2910:2911:15
11:15
-0:09
40K
24.85 mi15:40:314:21:3610:3210:07
11:50
+0:35
25.2M
25.20 mi15:44:314:25:3610:324:00
11:36
-0:14
Finish
26.22 mi15:55:224:36:2710:3310:51
10:39
-0:57

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

9:21 /mi

Average Pace

10:33 /mi

Slowest Pace

13:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:08

34% of race

Time at Steady Pace

1:16:19

28% of race

Time at Slower Pace

1:45:00

38% of race

Average Pace: 10:33 /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 mi11:47:5929:049:2129:04
9:21
#23771
10K
6.21 mi12:17:0958:149:2229:10
9:23
#23797
15K
9.32 mi12:47:161:28:219:2930:07
9:42
#23979
20K
12.43 mi13:19:122:00:179:4131:56
10:17
#24245
Half
13.11 mi13:25:592:07:049:426:47
9:57
#24277
25K
15.53 mi13:51:412:32:469:5025:42
10:36
#24339
30K
18.64 mi14:28:273:09:3210:1036:46
11:50
#24596
20M
20.00 mi14:43:593:25:0410:1515:32
11:26
#24591
21M
21.00 mi14:57:033:38:0810:2313:04
13:04
#24648
35K
21.75 mi15:04:533:45:5810:237:50
10:28
#24604
23M
23.00 mi15:19:094:00:1410:2714:16
11:24
#24583
24M
24.00 mi15:30:244:11:2910:2911:15
11:15
#24579
40K
24.85 mi15:40:314:21:3610:3210:07
11:50
#24585
25.2M
25.20 mi15:44:314:25:3610:324:00
11:36
#24560
Finish
26.22 mi15:55:224:36:2710:3310:51
10:39
#24566
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi237719571957124268(Top 85%)9821(Top 80%)9821(Top 988%)
10K6.21 mi3.10 mi23797-269572-19572-123806(Top 84%)9572(Top 78%)9572(Top 963%)
15K9.32 mi3.11 mi23979-1829663-919663-9124268(Top 85%)9821(Top 80%)9821(Top 988%)
20K12.43 mi3.11 mi24245-2669832-1699832-16924792(Top 87%)10147(Top 83%)10147(Top 1021%)
Half13.11 mi0.68 mi24277-329855-239855-2324730(Top 87%)10127(Top 83%)10127(Top 1019%)
25K15.53 mi2.42 mi24339-629903-489903-4824554(Top 86%)10046(Top 82%)10046(Top 1011%)
30K18.64 mi3.11 mi24596-25710056-15310056-15325367(Top 89%)10596(Top 87%)10596(Top 1066%)
20M20.00 mi1.36 mi24591+510067-1110067-1124436(Top 86%)10190(Top 83%)10190(Top 1025%)
21M21.00 mi1.00 mi24648-5710113-4610113-4625138(Top 89%)10632(Top 87%)10632(Top 1070%)
35K21.75 mi0.75 mi24604+4410098+1510098+1523125(Top 81%)9621(Top 79%)9621(Top 968%)
23M23.00 mi1.25 mi24583+2110107-910107-924082(Top 85%)10142(Top 83%)10142(Top 1020%)
24M24.00 mi1.00 mi24579+410117-1010117-1024483(Top 86%)10370(Top 85%)10370(Top 1043%)
40K24.85 mi0.85 mi24585-610126-910126-924682(Top 87%)10519(Top 86%)10519(Top 1058%)
25.2M25.20 mi0.35 mi24560+2510119+710119+722367(Top 79%)9350(Top 76%)9350(Top 941%)
Finish26.22 mi1.02 mi24566-610133-1410133-1424623(Top 87%)10465(Top 86%)10465(Top 1053%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24268

Females

9821

F55-59

9821

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23806

Females

9572

F55-59

9572

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24268

Females

9821

F55-59

9821

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24792

Females

10147

F55-59

10147

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24730

Females

10127

F55-59

10127

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24554

Females

10046

F55-59

10046

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25367

Females

10596

F55-59

10596

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24436

Females

10190

F55-59

10190

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25138

Females

10632

F55-59

10632

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

23125

Females

9621

F55-59

9621

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24082

Females

10142

F55-59

10142

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24483

Females

10370

F55-59

10370

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24682

Females

10519

F55-59

10519

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22367

Females

9350

F55-59

9350

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24623

Females

10465

F55-59

10465

Passing Analysis

Category:
Athletes Passed
913
Passed By
1708
Net Change
-795
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23771
5K → 10K226252-26#23771#23797
10K → 15K93275-182#23797#23979
15K → 20K69335-266#23979#24245
20K → Half1547-32#24245#24277
Half → 25K93155-62#24277#24339
25K → 30K67324-257#24339#24596
30K → 20M5348+5#24596#24591
20M → 21M4097-57#24591#24648
21M → 35K539+44#24648#24604
35K → 23M6948+21#24604#24583
23M → 24M4137+4#24583#24579
24M → 40K2935-6#24579#24585
40K → 25.2M327+25#24585#24560
25.2M → Finish3339-6#24560#24566
TOTALS9131708-795
📊

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