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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Byung Chan Lee

Bib: 23266 •M •Age: N/A

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

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 8:35/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
26:41
3.11 mi
Rank: #20561
Start → 5K
26:41 | 8:36/mi
10K
54:13
6.21 mi
Rank: #21465 (-904)
5K → 10K
27:32 | 8:52/mi
15K
1:21:57
9.32 mi
Rank: #21750 (-285)
10K → 15K
27:44 | 8:56/mi
20K
1:50:15
12.43 mi
Rank: #21882 (-132)
15K → 20K
28:18 | 9:07/mi
HALF
1:56:22
13.11 mi
Rank: #21925 (-43)
20K → HALF
6:07 | 8:59/mi
25K
2:18:34
15.53 mi
Rank: #21881 (+44)
HALF → 25K
22:12 | 9:10/mi
30K
2:48:38
18.64 mi
Rank: #21980 (-99)
25K → 30K
30:04 | 9:41/mi
20M
3:02:07
20.00 mi
Rank: #22011 (-31)
30K → 20M
13:29 | 9:56/mi
21M
3:12:23
21.00 mi
Rank: #21956 (+55)
20M → 21M
10:16 | 10:16/mi
35K
3:19:51
21.75 mi
Rank: #22013 (-57)
21M → 35K
7:28 | 9:59/mi
23M
3:32:40
23.00 mi
Rank: #22102 (-89)
35K → 23M
12:49 | 10:15/mi
24M
3:42:40
24.00 mi
Rank: #22146 (-44)
23M → 24M
10:00 | 10:00/mi
40K
3:51:28
24.85 mi
Rank: #22176 (-30)
24M → 40K
8:48 | 10:18/mi
25.2M
3:55:19
25.20 mi
Rank: #22198 (-22)
40K → 25.2M
3:51 | 11:10/mi
FINISH
4:05:18
26.22 mi
Rank: #22230 (-32)
25.2M → FINISH
9:59 | 9:48/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:56:22
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:08:56
Pace9:51 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:2926:418:3626:41
8:36
-
10K
6.21 mi11:57:0154:138:4427:32
8:52
+0:16
15K
9.32 mi12:24:451:21:578:4827:44
8:56
+0:04
20K
12.43 mi12:53:031:50:158:5328:18
9:07
+0:11
HALF
13.11 mi12:59:101:56:228:536:07
8:59
-0:08
25K
15.53 mi13:21:222:18:348:5622:12
9:10
+0:11
30K
18.64 mi13:51:262:48:389:0330:04
9:41
+0:31
20M
20.00 mi14:04:553:02:079:0713:29
9:56
+0:15
21M
21.00 mi14:15:113:12:239:1010:16
10:16
+0:20
35K
21.75 mi14:22:393:19:519:127:28
9:59
-0:17
23M
23.00 mi14:35:283:32:409:1512:49
10:15
+0:16
24M
24.00 mi14:45:283:42:409:1710:00
10:00
-0:15
40K
24.85 mi14:54:163:51:289:198:48
10:18
+0:18
25.2M
25.20 mi14:58:073:55:199:213:51
11:10
+0:52
FINISH
26.22 mi15:08:064:05:189:229:59
9:48
-1:22

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

8:36 /mi

Average Pace

9:22 /mi

Slowest Pace

11:10 /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

2:18:34

56% of race

Time at Steady Pace

1:11:00

29% of race

Time at Slower Pace

35:44

15% of race

Average Pace: 9:21 /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 mi11:29:2926:418:3626:41
8:36
#20561
10K
6.21 mi11:57:0154:138:4427:32
8:52
#21465
15K
9.32 mi12:24:451:21:578:4827:44
8:56
#21750
20K
12.43 mi12:53:031:50:158:5328:18
9:07
#21882
HALF
13.11 mi12:59:101:56:228:536:07
8:59
#21925
25K
15.53 mi13:21:222:18:348:5622:12
9:10
#21881
30K
18.64 mi13:51:262:48:389:0330:04
9:41
#21980
20M
20.00 mi14:04:553:02:079:0713:29
9:56
#22011
21M
21.00 mi14:15:113:12:239:1010:16
10:16
#21956
35K
21.75 mi14:22:393:19:519:127:28
9:59
#22013
23M
23.00 mi14:35:283:32:409:1512:49
10:15
#22102
24M
24.00 mi14:45:283:42:409:1710:00
10:00
#22146
40K
24.85 mi14:54:163:51:289:198:48
10:18
#22176
25.2M
25.20 mi14:58:073:55:199:213:51
11:10
#22198
FINISH
26.22 mi15:08:064:05:189:229:59
9:48
#22230
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 mi20561125331253322339(Top 77%)13445(Top 82%)13445(Top 888%)
10K6.21 mi3.10 mi21465-90412980-44712980-44722209(Top 77%)13354(Top 82%)13354(Top 882%)
15K9.32 mi3.11 mi21750-28513124-14413124-14422339(Top 77%)13445(Top 82%)13445(Top 888%)
20K12.43 mi3.11 mi21882-13213191-6713191-6722391(Top 77%)13442(Top 82%)13442(Top 888%)
HALF13.11 mi0.68 mi21925-4313209-1813209-1822603(Top 78%)13549(Top 83%)13549(Top 895%)
25K15.53 mi2.42 mi21881+4413187+2213187+2221828(Top 75%)13151(Top 80%)13151(Top 869%)
30K18.64 mi3.11 mi21980-9913217-3013217-3022196(Top 76%)13245(Top 81%)13245(Top 875%)
20M20.00 mi1.36 mi22011-3113220-313220-322360(Top 77%)13231(Top 81%)13231(Top 874%)
21M21.00 mi1.00 mi21956+5513176+4413176+4421262(Top 73%)12673(Top 78%)12673(Top 837%)
35K21.75 mi0.75 mi22013-5713191-1513191-1523093(Top 80%)13510(Top 83%)13510(Top 892%)
23M23.00 mi1.25 mi22102-8913218-2713218-2722758(Top 78%)13276(Top 81%)13276(Top 877%)
24M24.00 mi1.00 mi22146-4413223-513223-522792(Top 79%)13270(Top 81%)13270(Top 876%)
40K24.85 mi0.85 mi22176-3013228-513228-522686(Top 78%)13153(Top 80%)13153(Top 869%)
25.2M25.20 mi0.35 mi22198-2213233-513233-522737(Top 78%)13184(Top 81%)13184(Top 871%)
FINISH26.22 mi1.02 mi22230-3213236-313236-323273(Top 80%)13435(Top 82%)13435(Top 887%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22339

Males

13445

M60-64

13445

5K→10K

3.1 - 6.2 mi

Top 77%
×5
+79ft-138ft

Overall

22209

Males

13354

M60-64

13354

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22339

Males

13445

M60-64

13445

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22391

Males

13442

M60-64

13442

20K→HALF

12.4 - 13.1 mi

Top 78%
×2
+19ft-37ft

Overall

22603

Males

13549

M60-64

13549

HALF→25K

13.1 - 15.5 mi

Top 75%
×4
+66ft-88ft

Overall

21828

Males

13151

M60-64

13151

25K→30K

15.5 - 18.6 mi

Top 76%
×9
+181ft-148ft

Overall

22196

Males

13245

M60-64

13245

30K→20M

18.6 - 20.0 mi

Top 77%
×5
+64ft-50ft

Overall

22360

Males

13231

M60-64

13231

20M→21M

20.0 - 21.0 mi

Top 73%
×8
+106ft-24ft

Overall

21262

Males

12673

M60-64

12673

21M→35K

21.0 - 21.8 mi

Top 80%
×7
+17ft-86ft

Overall

23093

Males

13510

M60-64

13510

35K→23M

21.8 - 23.0 mi

Top 78%
×5
+23ft-63ft

Overall

22758

Males

13276

M60-64

13276

23M→24M

23.0 - 24.0 mi

Top 79%
×6
+12ft-82ft

Overall

22792

Males

13270

M60-64

13270

24M→40K

24.0 - 24.9 mi

Top 78%
×1
+6ft-20ft

Overall

22686

Males

13153

M60-64

13153

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1
+13ft-16ft

Overall

22737

Males

13184

M60-64

13184

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
×2
+22ft-21ft

Overall

23273

Males

13435

M60-64

13435

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
924
Passed By
1585
Net Change
-1669
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20561
5K → 10K48200-904#20561#21465
10K → 15K78200-285#21465#21750
15K → 20K122200-132#21750#21882
20K → HALF1760-43#21882#21925
HALF → 25K14298+44#21925#21881
25K → 30K140200-99#21881#21980
30K → 20M6899-31#21980#22011
20M → 21M11156+55#22011#21956
21M → 35K3390-57#21956#22013
35K → 23M53142-89#22013#22102
23M → 24M3983-44#22102#22146
24M → 40K3464-30#22146#22176
40K → 25.2M830-22#22176#22198
25.2M → FINISH3163-32#22198#22230
TOTALS9241585-1669
📊

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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