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BOSTON MARATHON 2026

Yoon Young Kang

Bib: 23205•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F45-49)
#0 / 1786
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
27:05
3.11 mi
Rank: #21305
Start → 5K
27:05 | 8:44/mi
10K
53:42
6.21 mi
Rank: #21012 (+293)
5K → 10K
26:37 | 8:35/mi
15K
1:20:16
9.32 mi
Rank: #20808 (+204)
10K → 15K
26:34 | 8:34/mi
20K
1:47:51
12.43 mi
Rank: #20935 (-127)
15K → 20K
27:35 | 8:53/mi
HALF
1:53:54
13.11 mi
Rank: #21000 (-65)
20K → HALF
6:03 | 8:53/mi
25K
2:16:08
15.53 mi
Rank: #21156 (-156)
HALF → 25K
22:14 | 9:11/mi
30K
2:45:29
18.64 mi
Rank: #21211 (-55)
25K → 30K
29:21 | 9:27/mi
20M
2:58:15
20.00 mi
Rank: #21135 (+76)
30K → 20M
12:46 | 9:24/mi
21M
3:08:12
21.00 mi
Rank: #21102 (+33)
20M → 21M
9:57 | 9:57/mi
35K
3:14:54
21.75 mi
Rank: #21068 (+34)
21M → 35K
6:42 | 8:58/mi
23M
3:26:29
23.00 mi
Rank: #20978 (+90)
35K → 23M
11:35 | 9:16/mi
24M
3:35:46
24.00 mi
Rank: #20970 (+8)
23M → 24M
9:17 | 9:17/mi
40K
3:43:40
24.85 mi
Rank: #20922 (+48)
24M → 40K
7:54 | 9:15/mi
25.2M
3:47:07
25.20 mi
Rank: #20895 (+27)
40K → 25.2M
3:27 | 10:01/mi
FINISH
3:56:13
26.22 mi
Rank: #20889 (+6)
25.2M → FINISH
9:06 | 8:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:54
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:02:19
Pace9:20 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:2927:058:4427:05
8:44
-
10K
6.21 mi11:56:0653:428:3926:37
8:35
-0:09
15K
9.32 mi12:22:401:20:168:3726:34
8:34
-0:01
20K
12.43 mi12:50:151:47:518:4127:35
8:53
+0:19
HALF
13.11 mi12:56:181:53:548:426:03
8:53
0:00
25K
15.53 mi13:18:322:16:088:4622:14
9:11
+0:18
30K
18.64 mi13:47:532:45:298:5329:21
9:27
+0:16
20M
20.00 mi14:00:392:58:158:5512:46
9:24
-0:03
21M
21.00 mi14:10:363:08:128:589:57
9:57
+0:33
35K
21.75 mi14:17:183:14:548:586:42
8:58
-0:59
23M
23.00 mi14:28:533:26:298:5911:35
9:16
+0:18
24M
24.00 mi14:38:103:35:469:009:17
9:17
+0:01
40K
24.85 mi14:46:043:43:409:007:54
9:15
-0:02
25.2M
25.20 mi14:49:313:47:079:013:27
10:01
+0:46
FINISH
26.22 mi14:58:373:56:139:019:06
8:56
-1:05

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

8:34 /mi

Average Pace

9:01 /mi

Slowest Pace

10:01 /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

3:13:28

82% of race

Time at Steady Pace

42:45

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:01 /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 mi11:29:2927:058:4427:05
8:44
#21305
10K
6.21 mi11:56:0653:428:3926:37
8:35
#21012
15K
9.32 mi12:22:401:20:168:3726:34
8:34
#20808
20K
12.43 mi12:50:151:47:518:4127:35
8:53
#20935
HALF
13.11 mi12:56:181:53:548:426:03
8:53
#21000
25K
15.53 mi13:18:322:16:088:4622:14
9:11
#21156
30K
18.64 mi13:47:532:45:298:5329:21
9:27
#21211
20M
20.00 mi14:00:392:58:158:5512:46
9:24
#21135
21M
21.00 mi14:10:363:08:128:589:57
9:57
#21102
35K
21.75 mi14:17:183:14:548:586:42
8:58
#21068
23M
23.00 mi14:28:533:26:298:5911:35
9:16
#20978
24M
24.00 mi14:38:103:35:469:009:17
9:17
#20970
40K
24.85 mi14:46:043:43:409:007:54
9:15
#20922
25.2M
25.20 mi14:49:313:47:079:013:27
10:01
#20895
FINISH
26.22 mi14:58:373:56:139:019:06
8:56
#20889
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi213058337833720421(Top 70%)7805(Top 62%)7805(Top 437%)
10K6.21 mi3.10 mi21012+2938157+1808157+18020726(Top 71%)7988(Top 64%)7988(Top 447%)
15K9.32 mi3.11 mi20808+2048040+1178040+11720421(Top 70%)7805(Top 62%)7805(Top 437%)
20K12.43 mi3.11 mi20935-1278115-758115-7521373(Top 74%)8335(Top 66%)8335(Top 467%)
HALF13.11 mi0.68 mi21000-658149-348149-3422192(Top 76%)8724(Top 69%)8724(Top 488%)
25K15.53 mi2.42 mi21156-1568241-928241-9221901(Top 75%)8624(Top 69%)8624(Top 483%)
30K18.64 mi3.11 mi21211-558280-398280-3921449(Top 74%)8495(Top 68%)8495(Top 476%)
20M20.00 mi1.36 mi21135+768265+158265+1520693(Top 71%)8190(Top 65%)8190(Top 459%)
21M21.00 mi1.00 mi21102+338246+198246+1920275(Top 70%)8000(Top 64%)8000(Top 448%)
35K21.75 mi0.75 mi21068+348235+118235+1119883(Top 69%)7896(Top 63%)7896(Top 442%)
23M23.00 mi1.25 mi20978+908198+378198+3719670(Top 68%)7818(Top 62%)7818(Top 438%)
24M24.00 mi1.00 mi20970+88210-128210-1220590(Top 71%)8337(Top 66%)8337(Top 467%)
40K24.85 mi0.85 mi20922+488194+168194+1619453(Top 67%)7812(Top 62%)7812(Top 437%)
25.2M25.20 mi0.35 mi20895+278186+88186+819490(Top 67%)7823(Top 62%)7823(Top 438%)
FINISH26.22 mi1.02 mi20889+68192-68192-620240(Top 70%)8204(Top 65%)8204(Top 459%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21
+97ft-345ft

Overall

20421

Females

7805

F45-49

7805

5K→10K

3.1 - 6.2 mi

Top 71%
×5
+79ft-138ft

Overall

20726

Females

7988

F45-49

7988

10K→15K

6.2 - 9.3 mi

Top 70%
×3
+67ft-78ft

Overall

20421

Females

7805

F45-49

7805

15K→20K

9.3 - 12.4 mi

Top 74%
×5
+106ft-86ft

Overall

21373

Females

8335

F45-49

8335

20K→HALF

12.4 - 13.1 mi

Top 76%
×2
+19ft-37ft

Overall

22192

Females

8724

F45-49

8724

HALF→25K

13.1 - 15.5 mi

Top 75%
×4
+66ft-88ft

Overall

21901

Females

8624

F45-49

8624

25K→30K

15.5 - 18.6 mi

Top 74%
×9
+181ft-148ft

Overall

21449

Females

8495

F45-49

8495

30K→20M

18.6 - 20.0 mi

Top 71%
×5
+64ft-50ft

Overall

20693

Females

8190

F45-49

8190

20M→21M

20.0 - 21.0 mi

Top 70%
×8
+106ft-24ft

Overall

20275

Females

8000

F45-49

8000

21M→35K

21.0 - 21.8 mi

Top 69%
×7
+17ft-86ft

Overall

19883

Females

7896

F45-49

7896

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19670

Females

7818

F45-49

7818

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20590

Females

8337

F45-49

8337

24M→40K

24.0 - 24.9 mi

Top 67%
×1
+6ft-20ft

Overall

19453

Females

7812

F45-49

7812

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19490

Females

7823

F45-49

7823

25.2M→FINISH

25.2 - 26.2 mi

Top 70%
×2
+22ft-21ft

Overall

20240

Females

8204

F45-49

8204

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1784*
Passed By
1275
Net Change
+416
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21305
5K → 10K470*177+293#21305#21012
10K → 15K306*102+204#21012#20808
15K → 20K132200-127#20808#20935
20K → HALF1479-65#20935#21000
HALF → 25K72200-156#21000#21156
25K → 30K151200-55#21156#21211
30K → 20M12448+76#21211#21135
20M → 21M8855+33#21135#21102
21M → 35K6733+34#21102#21068
35K → 23M12838+90#21068#20978
23M → 24M5446+8#20978#20970
24M → 40K7830+48#20970#20922
40K → 25.2M4417+27#20922#20895
25.2M → FINISH5650+6#20895#20889
TOTALS1784*1275+416

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing