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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sunghyun Kim

Bib: 10945 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
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
20:56
3.11 mi
Rank: #6275
Start → 5K
20:56 | 6:45/mi
10K
42:01
6.21 mi
Rank: #6532 (-257)
5K → 10K
21:05 | 6:48/mi
15K
1:02:55
9.32 mi
Rank: #6352 (+180)
10K → 15K
20:54 | 6:44/mi
20K
1:28:10
12.43 mi
Rank: #9055 (-2703)
15K → 20K
25:15 | 8:08/mi
HALF
1:33:31
13.11 mi
Rank: #9360 (-305)
20K → HALF
5:21 | 7:51/mi
25K
2:00:16
15.53 mi
Rank: #14439 (-5079)
HALF → 25K
26:45 | 11:02/mi
30K
2:31:38
18.64 mi
Rank: #16944 (-2505)
25K → 30K
31:22 | 10:06/mi
20M
2:49:26
20.00 mi
Rank: #18802 (-1858)
30K → 20M
17:48 | 13:07/mi
21M
3:01:26
21.00 mi
Rank: #19477 (-675)
20M → 21M
12:00 | 12:00/mi
35K
3:10:21
21.75 mi
Rank: #20049 (-572)
21M → 35K
8:55 | 11:56/mi
23M
3:26:48
23.00 mi
Rank: #21042 (-993)
35K → 23M
16:27 | 13:09/mi
24M
3:38:11
24.00 mi
Rank: #21423 (-381)
23M → 24M
11:23 | 11:23/mi
40K
3:50:08
24.85 mi
Rank: #22001 (-578)
24M → 40K
11:57 | 13:59/mi
25.2M
3:58:08
25.20 mi
Rank: #22556 (-555)
40K → 25.2M
8:00 | 23:12/mi
FINISH
4:45:21
26.22 mi
Rank: #26148 (-3592)
25.2M → FINISH
47:13 | 46:21/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:33:31
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time3:11:50
Pace14:38 /mi
📊Positive Split: 105.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:2120:566:4520:56
6:45
-
10K
6.21 mi11:00:2642:016:4621:05
6:48
+0:03
15K
9.32 mi11:21:201:02:556:4620:54
6:44
-0:04
20K
12.43 mi11:46:351:28:107:0625:15
8:08
+1:24
HALF
13.11 mi11:51:561:33:317:095:21
7:51
-0:17
25K
15.53 mi12:18:412:00:167:4526:45
11:02
+3:11
30K
18.64 mi12:50:032:31:388:0931:22
10:06
-0:56
20M
20.00 mi13:07:512:49:268:2917:48
13:07
+3:01
21M
21.00 mi13:19:513:01:268:3912:00
12:00
-1:07
35K
21.75 mi13:28:463:10:218:468:55
11:56
-0:04
23M
23.00 mi13:45:133:26:489:0016:27
13:09
+1:13
24M
24.00 mi13:56:363:38:119:0611:23
11:23
-1:46
40K
24.85 mi14:08:333:50:089:1611:57
13:59
+2:36
25.2M
25.20 mi14:16:333:58:089:278:00
23:12
+9:13
FINISH
26.22 mi15:03:464:45:2110:5447:13
46:21
+23:09

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

6:44 /mi

Average Pace

10:53 /mi

Slowest Pace

46:21 /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

0:00

0% of race

Time at Steady Pace

3:50:08

81% of race

Time at Slower Pace

55:13

19% of race

Average Pace: 10:53 /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 mi10:39:2120:566:4520:56
6:45
#6275
10K
6.21 mi11:00:2642:016:4621:05
6:48
#6532
15K
9.32 mi11:21:201:02:556:4620:54
6:44
#6352
20K
12.43 mi11:46:351:28:107:0625:15
8:08
#9055
HALF
13.11 mi11:51:561:33:317:095:21
7:51
#9360
25K
15.53 mi12:18:412:00:167:4526:45
11:02
#14439
30K
18.64 mi12:50:032:31:388:0931:22
10:06
#16944
20M
20.00 mi13:07:512:49:268:2917:48
13:07
#18802
21M
21.00 mi13:19:513:01:268:3912:00
12:00
#19477
35K
21.75 mi13:28:463:10:218:468:55
11:56
#20049
23M
23.00 mi13:45:133:26:489:0016:27
13:09
#21042
24M
24.00 mi13:56:363:38:119:0611:23
11:23
#21423
40K
24.85 mi14:08:333:50:089:1611:57
13:59
#22001
25.2M
25.20 mi14:16:333:58:089:278:00
23:12
#22556
FINISH
26.22 mi15:03:464:45:2110:5447:13
46:21
#26148
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6275568856886091(Top 21%)5508(Top 34%)5508(Top 228%)
10K6.21 mi3.10 mi6532-2575877-1895877-1896860(Top 24%)6097(Top 37%)6097(Top 253%)
15K9.32 mi3.11 mi6352+1805740+1375740+1376091(Top 21%)5508(Top 34%)5508(Top 228%)
20K12.43 mi3.11 mi9055-27037530-17907530-179017042(Top 59%)11012(Top 67%)11012(Top 456%)
HALF13.11 mi0.68 mi9360-3057694-1647694-16415940(Top 55%)10598(Top 65%)10598(Top 439%)
25K15.53 mi2.42 mi14439-50799957-22639957-226326378(Top 91%)15249(Top 93%)15249(Top 632%)
30K18.64 mi3.11 mi16944-250510942-98510942-98523365(Top 81%)13788(Top 84%)13788(Top 571%)
20M20.00 mi1.36 mi18802-185811714-77211714-77227505(Top 95%)15637(Top 96%)15637(Top 648%)
21M21.00 mi1.00 mi19477-67511990-27611990-27625078(Top 86%)14445(Top 88%)14445(Top 599%)
35K21.75 mi0.75 mi20049-57212259-26912259-26926644(Top 92%)15167(Top 93%)15167(Top 629%)
23M23.00 mi1.25 mi21042-99312728-46912728-46927494(Top 95%)15584(Top 95%)15584(Top 646%)
24M24.00 mi1.00 mi21423-38112893-16512893-16525774(Top 89%)14694(Top 90%)14694(Top 609%)
40K24.85 mi0.85 mi22001-57813151-25813151-25827878(Top 96%)15728(Top 96%)15728(Top 652%)
25.2M25.20 mi0.35 mi22556-55513392-24113392-24129009(Top 100%)16330(Top 100%)16330(Top 677%)
FINISH26.22 mi1.02 mi26148-359215111-171915111-171929019(Top 100%)16339(Top 100%)16339(Top 677%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21
+97ft-345ft

Overall

6091

Males

5508

M45-49

5508

5K→10K

3.1 - 6.2 mi

Top 24%
×5
+79ft-138ft

Overall

6860

Males

6097

M45-49

6097

10K→15K

6.2 - 9.3 mi

Top 21%
×3
+67ft-78ft

Overall

6091

Males

5508

M45-49

5508

15K→20K

9.3 - 12.4 mi

Top 59%
×5
+106ft-86ft

Overall

17042

Males

11012

M45-49

11012

20K→HALF

12.4 - 13.1 mi

Top 55%
×2
+19ft-37ft

Overall

15940

Males

10598

M45-49

10598

HALF→25K

13.1 - 15.5 mi

Top 91%
×4
+66ft-88ft

Overall

26378

Males

15249

M45-49

15249

25K→30K

15.5 - 18.6 mi

Top 81%
×9
+181ft-148ft

Overall

23365

Males

13788

M45-49

13788

30K→20M

18.6 - 20.0 mi

Top 95%
×5
+64ft-50ft

Overall

27505

Males

15637

M45-49

15637

20M→21M

20.0 - 21.0 mi

Top 86%
×8
+106ft-24ft

Overall

25078

Males

14445

M45-49

14445

21M→35K

21.0 - 21.8 mi

Top 92%
×7
+17ft-86ft

Overall

26644

Males

15167

M45-49

15167

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27494

Males

15584

M45-49

15584

23M→24M

23.0 - 24.0 mi

Top 89%
×6
+12ft-82ft

Overall

25774

Males

14694

M45-49

14694

24M→40K

24.0 - 24.9 mi

Top 96%
×1
+6ft-20ft

Overall

27878

Males

15728

M45-49

15728

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1
+13ft-16ft

Overall

29009

Males

16330

M45-49

16330

25.2M→FINISH

25.2 - 26.2 mi

Top 100%
×2
+22ft-21ft

Overall

29019

Males

16339

M45-49

16339

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
398*
Passed By
2659
Net Change
-19873
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6275
5K → 10K110200-257#6275#6532
10K → 15K239*59+180#6532#6352
15K → 20K5200-2703#6352#9055
20K → HALF3200-305#9055#9360
HALF → 25K2200-5079#9360#14439
25K → 30K10200-2505#14439#16944
30K → 20M1200-1858#16944#18802
20M → 21M8200-675#18802#19477
21M → 35K4200-572#19477#20049
35K → 23M2200-993#20049#21042
23M → 24M10200-381#21042#21423
24M → 40K4200-578#21423#22001
40K → 25.2M0200-555#22001#22556
25.2M → FINISH0200-3592#22556#26148
TOTALS398*2659-19873

* 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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