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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Woo Sung Kim

Bib: 2783 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 12%
Gender (Male)
#0 / 16340
Top 20%
Masters (Masters Men)
#0 / 10617
Top 6%
Age Group (M50-54)
#0 / 1868
Top 4%
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
20:19
3.11 mi
Rank: #4483
Start → 5K
20:19 | 6:33/mi
10K
40:13
6.21 mi
Rank: #3960 (+523)
5K → 10K
19:54 | 6:25/mi
15K
1:00:05
9.32 mi
Rank: #3784 (+176)
10K → 15K
19:52 | 6:24/mi
20K
1:20:06
12.43 mi
Rank: #3665 (+119)
15K → 20K
20:01 | 6:27/mi
HALF
1:24:27
13.11 mi
Rank: #3647 (+18)
20K → HALF
4:21 | 6:23/mi
25K
1:40:19
15.53 mi
Rank: #3645 (+2)
HALF → 25K
15:52 | 6:33/mi
30K
2:01:09
18.64 mi
Rank: #3609 (+36)
25K → 30K
20:50 | 6:43/mi
20M
2:10:15
20.00 mi
Rank: #3571 (+38)
30K → 20M
9:06 | 6:42/mi
21M
2:17:34
21.00 mi
Rank: #3626 (-55)
20M → 21M
7:19 | 7:19/mi
35K
2:22:23
21.75 mi
Rank: #3595 (+31)
21M → 35K
4:49 | 6:27/mi
23M
2:30:44
23.00 mi
Rank: #3534 (+61)
35K → 23M
8:21 | 6:41/mi
24M
2:37:15
24.00 mi
Rank: #3494 (+40)
23M → 24M
6:31 | 6:31/mi
40K
2:42:53
24.85 mi
Rank: #3434 (+60)
24M → 40K
5:38 | 6:36/mi
25.2M
2:45:23
25.20 mi
Rank: #3417 (+17)
40K → 25.2M
2:30 | 7:15/mi
FINISH
2:52:03
26.22 mi
Rank: #3412 (+5)
25.2M → FINISH
6:40 | 6:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:24:27
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:27:36
Pace6:41 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1220:196:3320:19
6:33
-
10K
6.21 mi10:42:0640:136:2919:54
6:25
-0:08
15K
9.32 mi11:01:581:00:056:2719:52
6:24
-0:01
20K
12.43 mi11:21:591:20:066:2720:01
6:27
+0:03
HALF
13.11 mi11:26:201:24:276:274:21
6:23
-0:04
25K
15.53 mi11:42:121:40:196:2815:52
6:33
+0:10
30K
18.64 mi12:03:022:01:096:3020:50
6:43
+0:10
20M
20.00 mi12:12:082:10:156:319:06
6:42
-0:01
21M
21.00 mi12:19:272:17:346:347:19
7:19
+0:37
35K
21.75 mi12:24:162:22:236:334:49
6:27
-0:52
23M
23.00 mi12:32:372:30:446:348:21
6:41
+0:14
24M
24.00 mi12:39:082:37:156:346:31
6:31
-0:10
40K
24.85 mi12:44:462:42:536:345:38
6:36
+0:05
25.2M
25.20 mi12:47:162:45:236:342:30
7:15
+0:39
FINISH
26.22 mi12:53:562:52:036:356:40
6:33
-0:42

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

6:23 /mi

Average Pace

6:34 /mi

Slowest Pace

7:19 /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

2:42:14

94% of race

Time at Steady Pace

9:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:22:1220:196:3320:19
6:33
#4483
10K
6.21 mi10:42:0640:136:2919:54
6:25
#3960
15K
9.32 mi11:01:581:00:056:2719:52
6:24
#3784
20K
12.43 mi11:21:591:20:066:2720:01
6:27
#3665
HALF
13.11 mi11:26:201:24:276:274:21
6:23
#3647
25K
15.53 mi11:42:121:40:196:2815:52
6:33
#3645
30K
18.64 mi12:03:022:01:096:3020:50
6:43
#3609
20M
20.00 mi12:12:082:10:156:319:06
6:42
#3571
21M
21.00 mi12:19:272:17:346:347:19
7:19
#3626
35K
21.75 mi12:24:162:22:236:334:49
6:27
#3595
23M
23.00 mi12:32:372:30:446:348:21
6:41
#3534
24M
24.00 mi12:39:082:37:156:346:31
6:31
#3494
40K
24.85 mi12:44:462:42:536:345:38
6:36
#3434
25.2M
25.20 mi12:47:162:45:236:342:30
7:15
#3417
FINISH
26.22 mi12:53:562:52:036:356:40
6:33
#3412
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4483422242223478(Top 12%)3324(Top 20%)3324(Top 178%)
10K6.21 mi3.10 mi3960+5233762+4603762+4603576(Top 12%)3408(Top 21%)3408(Top 182%)
15K9.32 mi3.11 mi3784+1763604+1583604+1583478(Top 12%)3324(Top 20%)3324(Top 178%)
20K12.43 mi3.11 mi3665+1193496+1083496+1083400(Top 12%)3256(Top 20%)3256(Top 174%)
HALF13.11 mi0.68 mi3647+183481+153481+153601(Top 12%)3442(Top 21%)3442(Top 184%)
25K15.53 mi2.42 mi3645+23480+13480+13712(Top 13%)3511(Top 21%)3511(Top 188%)
30K18.64 mi3.11 mi3609+363440+403440+403724(Top 13%)3485(Top 21%)3485(Top 187%)
20M20.00 mi1.36 mi3571+383398+423398+423455(Top 12%)3217(Top 20%)3217(Top 172%)
21M21.00 mi1.00 mi3626-553444-463444-465319(Top 18%)4640(Top 28%)4640(Top 248%)
35K21.75 mi0.75 mi3595+313415+293415+293219(Top 11%)2994(Top 18%)2994(Top 160%)
23M23.00 mi1.25 mi3534+613351+643351+643310(Top 11%)3033(Top 19%)3033(Top 162%)
24M24.00 mi1.00 mi3494+403316+353316+353238(Top 11%)2944(Top 18%)2944(Top 158%)
40K24.85 mi0.85 mi3434+603254+623254+622992(Top 10%)2721(Top 17%)2721(Top 146%)
25.2M25.20 mi0.35 mi3417+173236+183236+183777(Top 13%)3292(Top 20%)3292(Top 176%)
FINISH26.22 mi1.02 mi3412+53224+123224+124369(Top 15%)3736(Top 23%)3736(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21
+97ft-345ft

Overall

3478

Males

3324

M50-54

3324

5K→10K

3.1 - 6.2 mi

Top 12%
×5
+79ft-138ft

Overall

3576

Males

3408

M50-54

3408

10K→15K

6.2 - 9.3 mi

Top 12%
×3
+67ft-78ft

Overall

3478

Males

3324

M50-54

3324

15K→20K

9.3 - 12.4 mi

Top 12%
×5
+106ft-86ft

Overall

3400

Males

3256

M50-54

3256

20K→HALF

12.4 - 13.1 mi

Top 12%
×2
+19ft-37ft

Overall

3601

Males

3442

M50-54

3442

HALF→25K

13.1 - 15.5 mi

Top 13%
×4
+66ft-88ft

Overall

3712

Males

3511

M50-54

3511

25K→30K

15.5 - 18.6 mi

Top 13%
×9
+181ft-148ft

Overall

3724

Males

3485

M50-54

3485

30K→20M

18.6 - 20.0 mi

Top 12%
×5
+64ft-50ft

Overall

3455

Males

3217

M50-54

3217

20M→21M

20.0 - 21.0 mi

Top 18%
×8
+106ft-24ft

Overall

5319

Males

4640

M50-54

4640

21M→35K

21.0 - 21.8 mi

Top 11%
×7
+17ft-86ft

Overall

3219

Males

2994

M50-54

2994

35K→23M

21.8 - 23.0 mi

Top 11%
×5
+23ft-63ft

Overall

3310

Males

3033

M50-54

3033

23M→24M

23.0 - 24.0 mi

Top 11%
×6
+12ft-82ft

Overall

3238

Males

2944

M50-54

2944

24M→40K

24.0 - 24.9 mi

Top 10%
×1
+6ft-20ft

Overall

2992

Males

2721

M50-54

2721

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1
+13ft-16ft

Overall

3777

Males

3292

M50-54

3292

25.2M→FINISH

25.2 - 26.2 mi

Top 15%
×2
+22ft-21ft

Overall

4369

Males

3736

M50-54

3736

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1544*
Passed By
473
Net Change
+1071
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4483
5K → 10K544*21+523#4483#3960
10K → 15K202*26+176#3960#3784
15K → 20K14526+119#3784#3665
20K → HALF268+18#3665#3647
HALF → 25K7270+2#3647#3645
25K → 30K11983+36#3645#3609
30K → 20M7032+38#3609#3571
20M → 21M2580-55#3571#3626
21M → 35K409+31#3626#3595
35K → 23M8322+61#3595#3534
23M → 24M6323+40#3534#3494
24M → 40K7111+60#3494#3434
40K → 25.2M3215+17#3434#3417
25.2M → FINISH5247+5#3417#3412
TOTALS1544*473+1071

* 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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