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BOSTON MARATHON 2025

Jinho Kim

Bib: 25390•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M75-79)
#0 / 52
Top 4%
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
8:26/mi
26:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:31/mi
52:41
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:19:34
↑ 67↓ 78
20K· 12.43 mi
8:36/mi
1:46:17
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:52:07
↑ 19↓ 370.5%
25K· 15.53 mi
8:41/mi
2:13:11
↑ 66↓ 880.2%
30K· 18.64 mi
8:56/mi
2:40:56
↑ 181↓ 1480.2%
20M
8:56/mi
2:53:04
↑ 64↓ 500.2%
21M
9:28/mi
3:02:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
3:08:59
↑ 17↓ 861.7%
23M
8:47/mi
3:19:59
↑ 23↓ 630.6%
24M
8:57/mi
3:28:56
↓ 821.3%
40K· 24.85 mi
9:14/mi
3:36:50
↓ 200.3%
25.2M
9:57/mi
3:40:16
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:49:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:07
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time1:57:08
Pace8:56 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2726:128:2626:12
8:26
-
10K
6.21 mi11:53:5652:418:2926:29
8:31
+0:05
15K
9.32 mi12:20:491:19:348:3226:53
8:39
+0:08
20K
12.43 mi12:47:321:46:178:3326:43
8:36
-0:03
Half
13.11 mi12:53:221:52:078:335:50
8:33
-0:03
25K
15.53 mi13:14:262:13:118:3421:04
8:41
+0:08
30K
18.64 mi13:42:112:40:568:3827:45
8:56
+0:15
20M
20.00 mi13:54:192:53:048:3912:08
8:56
0:00
21M
21.00 mi14:03:473:02:328:429:28
9:28
+0:32
35K
21.75 mi14:10:143:08:598:416:27
8:37
-0:51
23M
23.00 mi14:21:143:19:598:4211:00
8:47
+0:10
24M
24.00 mi14:30:113:28:568:428:57
8:57
+0:10
40K
24.85 mi14:38:053:36:508:437:54
9:14
+0:17
25.2M
25.20 mi14:41:313:40:168:443:26
9:57
+0:43
Finish
26.22 mi14:50:303:49:158:458:59
8:49
-1:08

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

8:26 /mi

Average Pace

8:45 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:21

94% of race

Time at Steady Pace

12:54

6% of race

Time at Slower Pace

0:00

0% 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 mi11:27:2726:128:2626:12
8:26
#19478
10K
6.21 mi11:53:5652:418:2926:29
8:31
#19699
15K
9.32 mi12:20:491:19:348:3226:53
8:39
#19891
20K
12.43 mi12:47:321:46:178:3326:43
8:36
#19592
Half
13.11 mi12:53:221:52:078:335:50
8:33
#19596
25K
15.53 mi13:14:262:13:118:3421:04
8:41
#19345
30K
18.64 mi13:42:112:40:568:3827:45
8:56
#18936
20M
20.00 mi13:54:192:53:048:3912:08
8:56
#18741
21M
21.00 mi14:03:473:02:328:429:28
9:28
#18573
35K
21.75 mi14:10:143:08:598:416:27
8:37
#18478
23M
23.00 mi14:21:143:19:598:4211:00
8:47
#18263
24M
24.00 mi14:30:113:28:568:428:57
8:57
#18188
40K
24.85 mi14:38:053:36:508:437:54
9:14
#18156
25.2M
25.20 mi14:41:313:40:168:443:26
9:57
#18138
Finish
26.22 mi14:50:303:49:158:458:59
8:49
#18143
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM75-79Seg. OverallSeg. MalesSeg. M75-79
5K3.11 mi3.11 mi19478122391223920216(Top 71%)12602(Top 78%)12602(Top 24235%)
10K6.21 mi3.10 mi19699-22112341-10212341-10219925(Top 70%)12443(Top 77%)12443(Top 23929%)
15K9.32 mi3.11 mi19891-19212430-8912430-8920216(Top 71%)12602(Top 78%)12602(Top 24235%)
20K12.43 mi3.11 mi19592+29912296+13412296+13418834(Top 66%)11966(Top 74%)11966(Top 23012%)
Half13.11 mi0.68 mi19596-412294+212294+219473(Top 69%)12237(Top 76%)12237(Top 23533%)
25K15.53 mi2.42 mi19345+25112176+11812176+11818314(Top 64%)11663(Top 72%)11663(Top 22429%)
30K18.64 mi3.11 mi18936+40911972+20411972+20417316(Top 61%)11071(Top 69%)11071(Top 21290%)
20M20.00 mi1.36 mi18741+19511862+11011862+11016406(Top 58%)10541(Top 65%)10541(Top 20271%)
21M21.00 mi1.00 mi18573+16811756+10611756+10615923(Top 56%)10218(Top 63%)10218(Top 19650%)
35K21.75 mi0.75 mi18478+9511699+5711699+5716179(Top 57%)10262(Top 64%)10262(Top 19735%)
23M23.00 mi1.25 mi18263+21511579+12011579+12015031(Top 53%)9646(Top 60%)9646(Top 18550%)
24M24.00 mi1.00 mi18188+7511518+6111518+6117101(Top 60%)10509(Top 65%)10509(Top 20210%)
40K24.85 mi0.85 mi18156+3211475+4311475+4317525(Top 62%)10613(Top 66%)10613(Top 20410%)
25.2M25.20 mi0.35 mi18138+1811457+1811457+1816791(Top 59%)10274(Top 64%)10274(Top 19758%)
Finish26.22 mi1.02 mi18143-511446+1111446+1118120(Top 64%)10927(Top 68%)10927(Top 21013%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

20216

Males

12602

M75-79

12602

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19925

Males

12443

M75-79

12443

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

20216

Males

12602

M75-79

12602

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18834

Males

11966

M75-79

11966

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19473

Males

12237

M75-79

12237

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18314

Males

11663

M75-79

11663

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17316

Males

11071

M75-79

11071

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16406

Males

10541

M75-79

10541

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

15923

Males

10218

M75-79

10218

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16179

Males

10262

M75-79

10262

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

15031

Males

9646

M75-79

9646

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

17101

Males

10509

M75-79

10509

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17525

Males

10613

M75-79

10613

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16791

Males

10274

M75-79

10274

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18120

Males

10927

M75-79

10927

Passing Analysis

Category:
Athletes Passed
2499
Passed By
1164
Net Change
+1335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19478
5K → 10K174395-221#19478#19699
10K → 15K141333-192#19699#19891
15K → 20K35455+299#19891#19592
20K → Half3337-4#19592#19596
Half → 25K30453+251#19596#19345
25K → 30K45243+409#19345#18936
30K → 20M21621+195#18936#18741
20M → 21M20133+168#18741#18573
21M → 35K10813+95#18573#18478
35K → 23M22510+215#18478#18263
23M → 24M11237+75#18263#18188
24M → 40K8048+32#18188#18156
40K → 25.2M3921+18#18156#18138
25.2M → Finish6065-5#18138#18143
TOTALS24991164+1335
📊

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