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BOSTON MARATHON 2025

Hye Chang Rhim

Bib: 2928•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 19%
Division (M18-39)
#0 / 5642
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:55
Rank: #3196
Start → 5K
19:55 | 6:25/mi
10K· 6.21 mi
40:14
Rank: #3583 (-387)
5K → 10K
20:19 | 6:32/mi
15K· 9.32 mi
1:00:24
Rank: #3545 (+38)
10K → 15K
20:10 | 6:29/mi
20K· 12.43 mi
1:20:55
Rank: #3593 (-48)
15K → 20K
20:31 | 6:36/mi
Half· 13.11 mi
1:25:19
Rank: #3573 (+20)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:26
Rank: #3573
Half → 25K
16:07 | 6:39/mi
30K· 18.64 mi
2:02:30
Rank: #3464 (+109)
25K → 30K
21:04 | 6:47/mi
20M
2:11:41
Rank: #3369 (+95)
30K → 20M
9:11 | 6:45/mi
21M
2:18:54
Rank: #3329 (+40)
20M → 21M
7:13 | 7:13/mi
35K· 21.75 mi
2:23:47
Rank: #3271 (+58)
21M → 35K
4:53 | 6:32/mi
23M
2:32:27
Rank: #3214 (+57)
35K → 23M
8:40 | 6:55/mi
24M
2:39:11
Rank: #3173 (+41)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:45:07
Rank: #3143 (+30)
24M → 40K
5:56 | 6:56/mi
25.2M
2:47:47
Rank: #3145 (-2)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
2:54:42
Rank: #3175 (-30)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:19
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:29:23
Pace6:49 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1419:556:2519:55
6:25
-
10K
6.21 mi10:41:3340:146:2820:19
6:32
+0:07
15K
9.32 mi11:01:431:00:246:2920:10
6:29
-0:03
20K
12.43 mi11:22:141:20:556:3120:31
6:36
+0:07
Half
13.11 mi11:26:381:25:196:304:24
6:27
-0:09
25K
15.53 mi11:42:451:41:266:3216:07
6:39
+0:12
30K
18.64 mi12:03:492:02:306:3421:04
6:47
+0:08
20M
20.00 mi12:13:002:11:416:359:11
6:45
-0:02
21M
21.00 mi12:20:132:18:546:377:13
7:13
+0:28
35K
21.75 mi12:25:062:23:476:374:53
6:32
-0:41
23M
23.00 mi12:33:462:32:276:388:40
6:55
+0:23
24M
24.00 mi12:40:302:39:116:386:44
6:44
-0:11
40K
24.85 mi12:46:262:45:076:395:56
6:56
+0:12
25.2M
25.20 mi12:49:062:47:476:392:40
7:44
+0:48
Finish
26.22 mi12:56:012:54:426:406:55
6:47
-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

6:25 /mi

Average Pace

6:40 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:41

40% of race

Time at Steady Pace

1:20:32

46% of race

Time at Slower Pace

24:29

14% of race

Average Pace: 6:40 /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 mi10:21:1419:556:2519:55
6:25
#3196
10K
6.21 mi10:41:3340:146:2820:19
6:32
#3583
15K
9.32 mi11:01:431:00:246:2920:10
6:29
#3545
20K
12.43 mi11:22:141:20:556:3120:31
6:36
#3593
Half
13.11 mi11:26:381:25:196:304:24
6:27
#3573
25K
15.53 mi11:42:451:41:266:3216:07
6:39
#3573
30K
18.64 mi12:03:492:02:306:3421:04
6:47
#3464
20M
20.00 mi12:13:002:11:416:359:11
6:45
#3369
21M
21.00 mi12:20:132:18:546:377:13
7:13
#3329
35K
21.75 mi12:25:062:23:476:374:53
6:32
#3271
23M
23.00 mi12:33:462:32:276:388:40
6:55
#3214
24M
24.00 mi12:40:302:39:116:386:44
6:44
#3173
40K
24.85 mi12:46:262:45:076:395:56
6:56
#3143
25.2M
25.20 mi12:49:062:47:476:392:40
7:44
#3145
Finish
26.22 mi12:56:012:54:426:406:55
6:47
#3175
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3196303630363500(Top 12%)3311(Top 21%)3311(Top 59%)
10K6.21 mi3.10 mi3583-3873398-3623398-3623997(Top 14%)3762(Top 23%)3762(Top 67%)
15K9.32 mi3.11 mi3545+383360+383360+383500(Top 12%)3311(Top 21%)3311(Top 59%)
20K12.43 mi3.11 mi3593-483402-423402-423709(Top 13%)3502(Top 22%)3502(Top 62%)
Half13.11 mi0.68 mi3573+203383+193383+193347(Top 12%)3173(Top 20%)3173(Top 56%)
25K15.53 mi2.42 mi35733379+43379+43760(Top 13%)3525(Top 22%)3525(Top 62%)
30K18.64 mi3.11 mi3464+1093277+1023277+1023323(Top 12%)3106(Top 19%)3106(Top 55%)
20M20.00 mi1.36 mi3369+953187+903187+902718(Top 10%)2547(Top 16%)2547(Top 45%)
21M21.00 mi1.00 mi3329+403147+403147+403194(Top 11%)2942(Top 18%)2942(Top 52%)
35K21.75 mi0.75 mi3271+583088+593088+592587(Top 9%)2406(Top 15%)2406(Top 43%)
23M23.00 mi1.25 mi3214+573033+553033+553313(Top 12%)3011(Top 19%)3011(Top 53%)
24M24.00 mi1.00 mi3173+412994+392994+393122(Top 11%)2818(Top 17%)2818(Top 50%)
40K24.85 mi0.85 mi3143+302964+302964+303531(Top 12%)3127(Top 19%)3127(Top 55%)
25.2M25.20 mi0.35 mi3145-22960+42960+44424(Top 16%)3702(Top 23%)3702(Top 66%)
Finish26.22 mi1.02 mi3175-302985-252985-254394(Top 15%)3710(Top 23%)3710(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3500

Males

3311

M18-39

3311

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3997

Males

3762

M18-39

3762

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3500

Males

3311

M18-39

3311

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3709

Males

3502

M18-39

3502

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3347

Males

3173

M18-39

3173

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3760

Males

3525

M18-39

3525

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3323

Males

3106

M18-39

3106

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2718

Males

2547

M18-39

2547

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3194

Males

2942

M18-39

2942

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2587

Males

2406

M18-39

2406

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3313

Males

3011

M18-39

3011

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3122

Males

2818

M18-39

2818

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3531

Males

3127

M18-39

3127

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4424

Males

3702

M18-39

3702

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4394

Males

3710

M18-39

3710

Passing Analysis

Category:
Athletes Passed
1008
Passed By
987
Net Change
+21
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3196
5K → 10K23410-387#3196#3583
10K → 15K11981+38#3583#3545
15K → 20K84132-48#3545#3593
20K → Half3111+20#3593#3573
Half → 25K78780#3573#3573
25K → 30K16051+109#3573#3464
30K → 20M11318+95#3464#3369
20M → 21M7030+40#3369#3329
21M → 35K668+58#3329#3271
35K → 23M9235+57#3271#3214
23M → 24M6120+41#3214#3173
24M → 40K5121+30#3173#3143
40K → 25.2M2527-2#3143#3145
25.2M → Finish3565-30#3145#3175
TOTALS1008987+21
📊

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