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BOSTON MARATHON 2025

Tae Shik Kim

Bib: 21560•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 36%
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
8:14/mi
25:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
51:34
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:17:35
↑ 67↓ 78
20K· 12.43 mi
8:34/mi
1:44:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:49:46
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:10:05
↑ 66↓ 880.2%
30K· 18.64 mi
8:55/mi
2:37:48
↑ 181↓ 1480.2%
20M
8:46/mi
2:49:43
↑ 64↓ 500.2%
21M
10:06/mi
2:59:49
↑ 106↓ 241.6%
35K· 21.75 mi
9:25/mi
3:06:52
↑ 17↓ 861.7%
23M
8:35/mi
3:17:37
↑ 23↓ 630.6%
24M
8:06/mi
3:25:43
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:32:31
↓ 200.3%
25.2M
8:36/mi
3:35:29
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:43:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:46
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:53:56
Pace8:41 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3025:368:1425:36
8:14
-
10K
6.21 mi11:46:2851:348:1825:58
8:21
+0:07
15K
9.32 mi12:12:291:17:358:1926:01
8:22
+0:01
20K
12.43 mi12:39:071:44:138:2326:38
8:34
+0:12
Half
13.11 mi12:44:401:49:468:225:33
8:08
-0:26
25K
15.53 mi13:04:592:10:058:2220:19
8:23
+0:15
30K
18.64 mi13:32:422:37:488:2827:43
8:55
+0:32
20M
20.00 mi13:44:372:49:438:2911:55
8:46
-0:09
21M
21.00 mi13:54:432:59:498:3410:06
10:06
+1:20
35K
21.75 mi14:01:463:06:528:367:03
9:25
-0:41
23M
23.00 mi14:12:313:17:378:3610:45
8:35
-0:50
24M
24.00 mi14:20:373:25:438:348:06
8:06
-0:29
40K
24.85 mi14:27:253:32:318:336:48
7:57
-0:09
25.2M
25.20 mi14:30:233:35:298:332:58
8:36
+0:39
Finish
26.22 mi14:38:363:43:428:328:13
8:04
-0:32

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

7:57 /mi

Average Pace

8:32 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:07

10% of race

Time at Steady Pace

2:23:48

64% of race

Time at Slower Pace

56:47

25% of race

Average Pace: 8:32 /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 mi11:20:3025:368:1425:36
8:14
#18351
10K
6.21 mi11:46:2851:348:1825:58
8:21
#18596
15K
9.32 mi12:12:291:17:358:1926:01
8:22
#18550
20K
12.43 mi12:39:071:44:138:2326:38
8:34
#18560
Half
13.11 mi12:44:401:49:468:225:33
8:08
#18460
25K
15.53 mi13:04:592:10:058:2220:19
8:23
#18083
30K
18.64 mi13:32:422:37:488:2827:43
8:55
#17879
20M
20.00 mi13:44:372:49:438:2911:55
8:46
#17680
21M
21.00 mi13:54:432:59:498:3410:06
10:06
#17772
35K
21.75 mi14:01:463:06:528:367:03
9:25
#17865
23M
23.00 mi14:12:313:17:378:3610:45
8:35
#17615
24M
24.00 mi14:20:373:25:438:348:06
8:06
#17359
40K
24.85 mi14:27:253:32:318:336:48
7:57
#17083
25.2M
25.20 mi14:30:233:35:298:332:58
8:36
#16960
Finish
26.22 mi14:38:363:43:428:328:13
8:04
#16808
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18351117411174118527(Top 65%)11851(Top 74%)11851(Top 941%)
10K6.21 mi3.10 mi18596-24511869-12811869-12818912(Top 67%)12025(Top 75%)12025(Top 955%)
15K9.32 mi3.11 mi18550+4611841+2811841+2818527(Top 65%)11851(Top 74%)11851(Top 941%)
20K12.43 mi3.11 mi18560-1011852-1111852-1118671(Top 66%)11886(Top 74%)11886(Top 944%)
Half13.11 mi0.68 mi18460+10011816+3611816+3616815(Top 59%)11110(Top 69%)11110(Top 882%)
25K15.53 mi2.42 mi18083+37711623+19311623+19316423(Top 58%)10835(Top 67%)10835(Top 861%)
30K18.64 mi3.11 mi17879+20411494+12911494+12917259(Top 61%)11045(Top 69%)11045(Top 877%)
20M20.00 mi1.36 mi17680+19911375+11911375+11915476(Top 54%)10139(Top 63%)10139(Top 805%)
21M21.00 mi1.00 mi17772-9211412-3711412-3718650(Top 66%)11442(Top 71%)11442(Top 909%)
35K21.75 mi0.75 mi17865-9311446-3411446-3420018(Top 70%)11972(Top 74%)11972(Top 951%)
23M23.00 mi1.25 mi17615+25011279+16711279+16713838(Top 49%)9092(Top 56%)9092(Top 722%)
24M24.00 mi1.00 mi17359+25611142+13711142+13711900(Top 42%)8126(Top 50%)8126(Top 645%)
40K24.85 mi0.85 mi17083+27611000+14211000+1429858(Top 35%)6993(Top 43%)6993(Top 555%)
25.2M25.20 mi0.35 mi16960+12310933+6710933+679438(Top 33%)6690(Top 42%)6690(Top 531%)
Finish26.22 mi1.02 mi16808+15210851+8210851+8213308(Top 47%)8674(Top 54%)8674(Top 689%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18527

Males

11851

M60-64

11851

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

18912

Males

12025

M60-64

12025

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18527

Males

11851

M60-64

11851

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18671

Males

11886

M60-64

11886

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16815

Males

11110

M60-64

11110

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16423

Males

10835

M60-64

10835

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17259

Males

11045

M60-64

11045

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15476

Males

10139

M60-64

10139

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18650

Males

11442

M60-64

11442

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

20018

Males

11972

M60-64

11972

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13838

Males

9092

M60-64

9092

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11900

Males

8126

M60-64

8126

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9858

Males

6993

M60-64

6993

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9438

Males

6690

M60-64

6690

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13308

Males

8674

M60-64

8674

Passing Analysis

Category:
Athletes Passed
2847
Passed By
1304
Net Change
+1543
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18351
5K → 10K173418-245#18351#18596
10K → 15K214168+46#18596#18550
15K → 20K192202-10#18550#18560
20K → Half11010+100#18560#18460
Half → 25K39417+377#18460#18083
25K → 30K333129+204#18083#17879
30K → 20M22829+199#17879#17680
20M → 21M68160-92#17680#17772
21M → 35K44137-93#17772#17865
35K → 23M26111+250#17865#17615
23M → 24M2571+256#17615#17359
24M → 40K2771+276#17359#17083
40K → 25.2M1230+123#17083#16960
25.2M → Finish17321+152#16960#16808
TOTALS28471304+1543
📊

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