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BOSTON MARATHON 2026

Kwang-Jae Yi

Bib: 21157•M

CA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 49%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
Top 15%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
24:18
3.11 mi
Rank: #15587
Start → 5K
24:18 | 7:50/mi
10K
48:36
6.21 mi
Rank: #15677 (-90)
5K → 10K
24:18 | 7:50/mi
15K
1:12:47
9.32 mi
Rank: #15486 (+191)
10K → 15K
24:11 | 7:48/mi
20K
1:38:38
12.43 mi
Rank: #16313 (-827)
15K → 20K
25:51 | 8:20/mi
HALF
1:43:56
13.11 mi
Rank: #16261 (+52)
20K → HALF
5:18 | 7:47/mi
25K
2:02:51
15.53 mi
Rank: #15839 (+422)
HALF → 25K
18:55 | 7:49/mi
30K
2:27:55
18.64 mi
Rank: #15470 (+369)
25K → 30K
25:04 | 8:05/mi
20M
2:38:59
20.00 mi
Rank: #15333 (+137)
30K → 20M
11:04 | 8:09/mi
21M
2:47:28
21.00 mi
Rank: #15146 (+187)
20M → 21M
8:29 | 8:29/mi
35K
2:53:27
21.75 mi
Rank: #15115 (+31)
21M → 35K
5:59 | 8:00/mi
23M
3:03:03
23.00 mi
Rank: #14791 (+324)
35K → 23M
9:36 | 7:41/mi
24M
3:10:34
24.00 mi
Rank: #14561 (+230)
23M → 24M
7:31 | 7:31/mi
40K
3:17:03
24.85 mi
Rank: #14368 (+193)
24M → 40K
6:29 | 7:35/mi
25.2M
3:19:55
25.20 mi
Rank: #14297 (+71)
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:27:16
26.22 mi
Rank: #14092 (+205)
25.2M → FINISH
7:21 | 7:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:43:56
Pace7:56 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:20
Pace7:53 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:2224:187:5024:18
7:50
-
10K
6.21 mi11:35:4048:367:5024:18
7:50
0:00
15K
9.32 mi11:59:511:12:477:4924:11
7:48
-0:02
20K
12.43 mi12:25:421:38:387:5725:51
8:20
+0:32
HALF
13.11 mi12:31:001:43:567:565:18
7:47
-0:33
25K
15.53 mi12:49:552:02:517:5518:55
7:49
+0:02
30K
18.64 mi13:14:592:27:557:5725:04
8:05
+0:16
20M
20.00 mi13:26:032:38:597:5711:04
8:09
+0:04
21M
21.00 mi13:34:322:47:287:598:29
8:29
+0:20
35K
21.75 mi13:40:312:53:277:595:59
8:00
-0:29
23M
23.00 mi13:50:073:03:037:589:36
7:41
-0:19
24M
24.00 mi13:57:383:10:347:577:31
7:31
-0:10
40K
24.85 mi14:04:073:17:037:566:29
7:35
+0:04
25.2M
25.20 mi14:06:593:19:557:562:52
8:19
+0:44
FINISH
26.22 mi14:14:203:27:167:557:21
7:13
-1:06

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:13 /mi

Average Pace

7:55 /mi

Slowest Pace

8:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:07:57

62% of race

Time at Steady Pace

1:19:19

38% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:11:2224:187:5024:18
7:50
#15587
10K
6.21 mi11:35:4048:367:5024:18
7:50
#15677
15K
9.32 mi11:59:511:12:477:4924:11
7:48
#15486
20K
12.43 mi12:25:421:38:387:5725:51
8:20
#16313
HALF
13.11 mi12:31:001:43:567:565:18
7:47
#16261
25K
15.53 mi12:49:552:02:517:5518:55
7:49
#15839
30K
18.64 mi13:14:592:27:557:5725:04
8:05
#15470
20M
20.00 mi13:26:032:38:597:5711:04
8:09
#15333
21M
21.00 mi13:34:322:47:287:598:29
8:29
#15146
35K
21.75 mi13:40:312:53:277:595:59
8:00
#15115
23M
23.00 mi13:50:073:03:037:589:36
7:41
#14791
24M
24.00 mi13:57:383:10:347:577:31
7:31
#14561
40K
24.85 mi14:04:073:17:037:566:29
7:35
#14368
25.2M
25.20 mi14:06:593:19:557:562:52
8:19
#14297
FINISH
26.22 mi14:14:203:27:167:557:21
7:13
#14092
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15587104671046715191(Top 52%)10258(Top 63%)10258(Top 678%)
10K6.21 mi3.10 mi15677-9010481-1410481-1415811(Top 54%)10539(Top 64%)10539(Top 696%)
15K9.32 mi3.11 mi15486+19110383+9810383+9815191(Top 52%)10258(Top 63%)10258(Top 678%)
20K12.43 mi3.11 mi16313-82710711-32810711-32818234(Top 63%)11504(Top 70%)11504(Top 760%)
HALF13.11 mi0.68 mi16261+5210682+2910682+2915295(Top 53%)10314(Top 63%)10314(Top 681%)
25K15.53 mi2.42 mi15839+42210501+18110501+18113824(Top 48%)9580(Top 59%)9580(Top 633%)
30K18.64 mi3.11 mi15470+36910322+17910322+17913993(Top 48%)9550(Top 58%)9550(Top 631%)
20M20.00 mi1.36 mi15333+13710250+7210250+7213839(Top 48%)9374(Top 57%)9374(Top 619%)
21M21.00 mi1.00 mi15146+18710139+11110139+11112996(Top 45%)8903(Top 54%)8903(Top 588%)
35K21.75 mi0.75 mi15115+3110117+2210117+2214443(Top 50%)9512(Top 58%)9512(Top 628%)
23M23.00 mi1.25 mi14791+3249961+1569961+15610088(Top 35%)7430(Top 45%)7430(Top 491%)
24M24.00 mi1.00 mi14561+2309844+1179844+11710220(Top 35%)7416(Top 45%)7416(Top 490%)
40K24.85 mi0.85 mi14368+1939752+929752+929458(Top 33%)6949(Top 43%)6949(Top 459%)
25.2M25.20 mi0.35 mi14297+719707+459707+4510382(Top 36%)7358(Top 45%)7358(Top 486%)
FINISH26.22 mi1.02 mi14092+2059602+1059602+1059221(Top 32%)6721(Top 41%)6721(Top 444%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21
+97ft-345ft

Overall

15191

Males

10258

M60-64

10258

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15811

Males

10539

M60-64

10539

10K→15K

6.2 - 9.3 mi

Top 52%
×3
+67ft-78ft

Overall

15191

Males

10258

M60-64

10258

15K→20K

9.3 - 12.4 mi

Top 63%
×5
+106ft-86ft

Overall

18234

Males

11504

M60-64

11504

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15295

Males

10314

M60-64

10314

HALF→25K

13.1 - 15.5 mi

Top 48%
×4
+66ft-88ft

Overall

13824

Males

9580

M60-64

9580

25K→30K

15.5 - 18.6 mi

Top 48%
×9
+181ft-148ft

Overall

13993

Males

9550

M60-64

9550

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13839

Males

9374

M60-64

9374

20M→21M

20.0 - 21.0 mi

Top 45%
×8
+106ft-24ft

Overall

12996

Males

8903

M60-64

8903

21M→35K

21.0 - 21.8 mi

Top 50%
×7
+17ft-86ft

Overall

14443

Males

9512

M60-64

9512

35K→23M

21.8 - 23.0 mi

Top 35%
×5
+23ft-63ft

Overall

10088

Males

7430

M60-64

7430

23M→24M

23.0 - 24.0 mi

Top 35%
×6
+12ft-82ft

Overall

10220

Males

7416

M60-64

7416

24M→40K

24.0 - 24.9 mi

Top 33%
×1
+6ft-20ft

Overall

9458

Males

6949

M60-64

6949

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1
+13ft-16ft

Overall

10382

Males

7358

M60-64

7358

25.2M→FINISH

25.2 - 26.2 mi

Top 32%
×2
+22ft-21ft

Overall

9221

Males

6721

M60-64

6721

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2984
Passed By
1489
Net Change
+1495
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15587
5K → 10K245335-90#15587#15677
10K → 15K306115+191#15677#15486
15K → 20K34861-827#15486#16313
20K → HALF6412+52#16313#16261
HALF → 25K4297+422#16261#15839
25K → 30K41142+369#15839#15470
30K → 20M16427+137#15470#15333
20M → 21M21528+187#15333#15146
21M → 35K6837+31#15146#15115
35K → 23M3262+324#15115#14791
23M → 24M2322+230#14791#14561
24M → 40K1996+193#14561#14368
40K → 25.2M776+71#14368#14297
25.2M → FINISH2149+205#14297#14092
TOTALS29841489+1495
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing