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BOSTON MARATHON 2025

Haehwan Ann

Bib: 25313•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:38
Rank: #24364
Start → 5K
29:38 | 9:32/mi
10K· 6.21 mi
59:23
Rank: #24344 (+20)
5K → 10K
29:45 | 9:35/mi
15K· 9.32 mi
1:28:52
Rank: #24125 (+219)
10K → 15K
29:29 | 9:29/mi
20K· 12.43 mi
1:58:29
Rank: #23836 (+289)
15K → 20K
29:37 | 9:32/mi
Half· 13.11 mi
2:04:45
Rank: #23777 (+59)
20K → Half
6:16 | 9:11/mi
25K· 15.53 mi
2:28:05
Rank: #23515 (+262)
Half → 25K
23:20 | 9:37/mi
30K· 18.64 mi
2:59:07
Rank: #23112 (+403)
25K → 30K
31:02 | 9:59/mi
20M
3:12:45
Rank: #22959 (+153)
30K → 20M
13:38 | 10:02/mi
21M
3:23:15
Rank: #22815 (+144)
20M → 21M
10:30 | 10:30/mi
35K· 21.75 mi
3:30:18
Rank: #22708 (+107)
21M → 35K
7:03 | 9:25/mi
23M
3:42:45
Rank: #22553 (+155)
35K → 23M
12:27 | 9:57/mi
24M
3:52:40
Rank: #22464 (+89)
23M → 24M
9:55 | 9:55/mi
40K· 24.85 mi
4:00:55
Rank: #22353 (+111)
24M → 40K
8:15 | 9:39/mi
25.2M
4:04:30
Rank: #22302 (+51)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
4:14:03
Rank: #22231 (+71)
25.2M → Finish
9:33 | 9:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:45
Pace9:31 /mi
2nd Half
Distance13.11 mi
Time2:09:18
Pace9:52 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:2229:389:3229:38
9:32
-
10K
6.21 mi12:00:0759:239:3329:45
9:35
+0:03
15K
9.32 mi12:29:361:28:529:3229:29
9:29
-0:06
20K
12.43 mi12:59:131:58:299:3229:37
9:32
+0:03
Half
13.11 mi13:05:292:04:459:316:16
9:11
-0:21
25K
15.53 mi13:28:492:28:059:3223:20
9:37
+0:26
30K
18.64 mi13:59:512:59:079:3731:02
9:59
+0:22
20M
20.00 mi14:13:293:12:459:3813:38
10:02
+0:03
21M
21.00 mi14:23:593:23:159:4110:30
10:30
+0:28
35K
21.75 mi14:31:023:30:189:407:03
9:25
-1:05
23M
23.00 mi14:43:293:42:459:4112:27
9:57
+0:32
24M
24.00 mi14:53:243:52:409:429:55
9:55
-0:02
40K
24.85 mi15:01:394:00:559:428:15
9:39
-0:16
25.2M
25.20 mi15:05:144:04:309:423:35
10:23
+0:44
Finish
26.22 mi15:14:474:14:039:429:33
9:22
-1:01

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

9:11 /mi

Average Pace

9:42 /mi

Slowest Pace

10:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:59:58

94% of race

Time at Steady Pace

14:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:41 /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 mi11:30:2229:389:3229:38
9:32
#24364
10K
6.21 mi12:00:0759:239:3329:45
9:35
#24344
15K
9.32 mi12:29:361:28:529:3229:29
9:29
#24125
20K
12.43 mi12:59:131:58:299:3229:37
9:32
#23836
Half
13.11 mi13:05:292:04:459:316:16
9:11
#23777
25K
15.53 mi13:28:492:28:059:3223:20
9:37
#23515
30K
18.64 mi13:59:512:59:079:3731:02
9:59
#23112
20M
20.00 mi14:13:293:12:459:3813:38
10:02
#22959
21M
21.00 mi14:23:593:23:159:4110:30
10:30
#22815
35K
21.75 mi14:31:023:30:189:407:03
9:25
#22708
23M
23.00 mi14:43:293:42:459:4112:27
9:57
#22553
24M
24.00 mi14:53:243:52:409:429:55
9:55
#22464
40K
24.85 mi15:01:394:00:559:428:15
9:39
#22353
25.2M
25.20 mi15:05:144:04:309:423:35
10:23
#22302
Finish
26.22 mi15:14:474:14:039:429:33
9:22
#22231
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi243649881988123717(Top 83%)9498(Top 78%)9498(Top 1522%)
10K6.21 mi3.10 mi24344+209868+139868+1324302(Top 86%)9860(Top 81%)9860(Top 1580%)
15K9.32 mi3.11 mi24125+2199741+1279741+12723717(Top 83%)9498(Top 78%)9498(Top 1522%)
20K12.43 mi3.11 mi23836+2899603+1389603+13823010(Top 81%)9154(Top 75%)9154(Top 1467%)
Half13.11 mi0.68 mi23777+599562+419562+4122567(Top 79%)8918(Top 73%)8918(Top 1429%)
25K15.53 mi2.42 mi23515+2629427+1359427+13522280(Top 78%)8806(Top 72%)8806(Top 1411%)
30K18.64 mi3.11 mi23112+4039249+1789249+17821579(Top 76%)8546(Top 70%)8546(Top 1370%)
20M20.00 mi1.36 mi22959+1539189+609189+6021082(Top 74%)8405(Top 69%)8405(Top 1347%)
21M21.00 mi1.00 mi22815+1449129+609129+6020035(Top 71%)7932(Top 65%)7932(Top 1271%)
35K21.75 mi0.75 mi22708+1079078+519078+5120084(Top 71%)8034(Top 66%)8034(Top 1288%)
23M23.00 mi1.25 mi22553+1559014+649014+6420313(Top 72%)8210(Top 67%)8210(Top 1316%)
24M24.00 mi1.00 mi22464+898990+248990+2421128(Top 74%)8673(Top 71%)8673(Top 1390%)
40K24.85 mi0.85 mi22353+1118953+378953+3719305(Top 68%)7796(Top 64%)7796(Top 1249%)
25.2M25.20 mi0.35 mi22302+518931+228931+2218682(Top 66%)7493(Top 61%)7493(Top 1201%)
Finish26.22 mi1.02 mi22231+718914+178914+1720699(Top 73%)8504(Top 70%)8504(Top 1363%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

23717

Females

9498

F60-64

9498

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24302

Females

9860

F60-64

9860

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

23717

Females

9498

F60-64

9498

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

23010

Females

9154

F60-64

9154

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

22567

Females

8918

F60-64

8918

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

22280

Females

8806

F60-64

8806

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21579

Females

8546

F60-64

8546

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

21082

Females

8405

F60-64

8405

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20035

Females

7932

F60-64

7932

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20084

Females

8034

F60-64

8034

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20313

Females

8210

F60-64

8210

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

21128

Females

8673

F60-64

8673

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19305

Females

7796

F60-64

7796

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18682

Females

7493

F60-64

7493

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

20699

Females

8504

F60-64

8504

Passing Analysis

Category:
Athletes Passed
2531
Passed By
398
Net Change
+2133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24364
5K → 10K230210+20#24364#24344
10K → 15K27657+219#24344#24125
15K → 20K31021+289#24125#23836
20K → Half601+59#23836#23777
Half → 25K27816+262#23777#23515
25K → 30K43128+403#23515#23112
30K → 20M16411+153#23112#22959
20M → 21M1539+144#22959#22815
21M → 35K1114+107#22815#22708
35K → 23M16914+155#22708#22553
23M → 24M978+89#22553#22464
24M → 40K1176+111#22464#22353
40K → 25.2M521+51#22353#22302
25.2M → Finish8312+71#22302#22231
TOTALS2531398+2133
📊

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