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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sangbae Kwak

Bib: 19043 •M •Age: N/A

CA

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 (M55-59)
#0 / 1491
Race Day Weather
51°/41°F
overcast clouds
Personalized for Sangbae

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 · 8:16/mi at mile 26.2

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
28:21
3.11 mi
Rank: #23171
Start → 5K
28:21 | 9:08/mi
10K
56:38
6.21 mi
Rank: #23231 (-60)
5K → 10K
28:17 | 9:07/mi
15K
1:24:31
9.32 mi
Rank: #22987 (+244)
10K → 15K
27:53 | 8:59/mi
20K
1:52:24
12.43 mi
Rank: #22679 (+308)
15K → 20K
27:53 | 8:59/mi
HALF
1:58:23
13.11 mi
Rank: #22630 (+49)
20K → HALF
5:59 | 8:47/mi
25K
2:20:13
15.53 mi
Rank: #22363 (+267)
HALF → 25K
21:50 | 9:01/mi
30K
2:48:15
18.64 mi
Rank: #21876 (+487)
25K → 30K
28:02 | 9:02/mi
20M
3:00:10
20.00 mi
Rank: #21579 (+297)
30K → 20M
11:55 | 8:47/mi
21M
3:09:23
21.00 mi
Rank: #21362 (+217)
20M → 21M
9:13 | 9:13/mi
35K
3:15:37
21.75 mi
Rank: #21209 (+153)
21M → 35K
6:14 | 8:20/mi
23M
3:26:28
23.00 mi
Rank: #20969 (+240)
35K → 23M
10:51 | 8:41/mi
24M
3:34:55
24.00 mi
Rank: #20806 (+163)
23M → 24M
8:27 | 8:27/mi
40K
3:42:14
24.85 mi
Rank: #20641 (+165)
24M → 40K
7:19 | 8:34/mi
25.2M
3:45:29
25.20 mi
Rank: #20586 (+55)
40K → 25.2M
3:15 | 9:26/mi
FINISH
3:53:54
26.22 mi
Rank: #20444 (+142)
25.2M → FINISH
8:25 | 8:16/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:58:23
Pace9:02 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:55:31
Pace8:49 /mi
📊Negative Split: 2.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:35:1428:219:0828:21
9:08
-
10K
6.21 mi12:03:3156:389:0728:17
9:07
-0:01
15K
9.32 mi12:31:241:24:319:0527:53
8:59
-0:08
20K
12.43 mi12:59:171:52:249:0327:53
8:59
0:00
HALF
13.11 mi13:05:161:58:239:025:59
8:47
-0:12
25K
15.53 mi13:27:062:20:139:0221:50
9:01
+0:14
30K
18.64 mi13:55:082:48:159:0228:02
9:02
+0:01
20M
20.00 mi14:07:033:00:109:0111:55
8:47
-0:15
21M
21.00 mi14:16:163:09:239:029:13
9:13
+0:26
35K
21.75 mi14:22:303:15:379:006:14
8:20
-0:53
23M
23.00 mi14:33:213:26:288:5910:51
8:41
+0:21
24M
24.00 mi14:41:483:34:558:588:27
8:27
-0:14
40K
24.85 mi14:49:073:42:148:577:19
8:34
+0:07
25.2M
25.20 mi14:52:223:45:298:573:15
9:26
+0:52
FINISH
26.22 mi15:00:473:53:548:568:25
8:16
-1:10

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

8:16 /mi

Average Pace

8:56 /mi

Slowest Pace

9:26 /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

2:44:48

70% of race

Time at Steady Pace

1:09:06

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:55 /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 mi11:35:1428:219:0828:21
9:08
#23171
10K
6.21 mi12:03:3156:389:0728:17
9:07
#23231
15K
9.32 mi12:31:241:24:319:0527:53
8:59
#22987
20K
12.43 mi12:59:171:52:249:0327:53
8:59
#22679
HALF
13.11 mi13:05:161:58:239:025:59
8:47
#22630
25K
15.53 mi13:27:062:20:139:0221:50
9:01
#22363
30K
18.64 mi13:55:082:48:159:0228:02
9:02
#21876
20M
20.00 mi14:07:033:00:109:0111:55
8:47
#21579
21M
21.00 mi14:16:163:09:239:029:13
9:13
#21362
35K
21.75 mi14:22:303:15:379:006:14
8:20
#21209
23M
23.00 mi14:33:213:26:288:5910:51
8:41
#20969
24M
24.00 mi14:41:483:34:558:588:27
8:27
#20806
40K
24.85 mi14:49:073:42:148:577:19
8:34
#20641
25.2M
25.20 mi14:52:223:45:298:573:15
9:26
#20586
FINISH
26.22 mi15:00:473:53:548:568:25
8:16
#20444
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi23171138161381622565(Top 78%)13561(Top 83%)13561(Top 910%)
10K6.21 mi3.10 mi23231-6013859-4313859-4323246(Top 80%)13867(Top 85%)13867(Top 930%)
15K9.32 mi3.11 mi22987+24413756+10313756+10322565(Top 78%)13561(Top 83%)13561(Top 910%)
20K12.43 mi3.11 mi22679+30813600+15613600+15621807(Top 75%)13153(Top 80%)13153(Top 882%)
HALF13.11 mi0.68 mi22630+4913572+2813572+2821651(Top 75%)13093(Top 80%)13093(Top 878%)
25K15.53 mi2.42 mi22363+26713431+14113431+14121179(Top 73%)12833(Top 79%)12833(Top 861%)
30K18.64 mi3.11 mi21876+48713166+26513166+26519683(Top 68%)12019(Top 74%)12019(Top 806%)
20M20.00 mi1.36 mi21579+29713001+16513001+16517816(Top 61%)11105(Top 68%)11105(Top 745%)
21M21.00 mi1.00 mi21362+21712892+10912892+10917236(Top 59%)10790(Top 66%)10790(Top 724%)
35K21.75 mi0.75 mi21209+15312812+8012812+8016615(Top 57%)10479(Top 64%)10479(Top 703%)
23M23.00 mi1.25 mi20969+24012688+12412688+12416725(Top 58%)10402(Top 64%)10402(Top 698%)
24M24.00 mi1.00 mi20806+16312591+9712591+9716592(Top 57%)10310(Top 63%)10310(Top 691%)
40K24.85 mi0.85 mi20641+16512493+9812493+9816028(Top 55%)9995(Top 61%)9995(Top 670%)
25.2M25.20 mi0.35 mi20586+5512462+3112462+3116923(Top 58%)10410(Top 64%)10410(Top 698%)
FINISH26.22 mi1.02 mi20444+14212372+9012372+9016767(Top 58%)10339(Top 63%)10339(Top 693%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21
+97ft-345ft

Overall

22565

Males

13561

M55-59

13561

5K→10K

3.1 - 6.2 mi

Top 80%
×5
+79ft-138ft

Overall

23246

Males

13867

M55-59

13867

10K→15K

6.2 - 9.3 mi

Top 78%
×3
+67ft-78ft

Overall

22565

Males

13561

M55-59

13561

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21807

Males

13153

M55-59

13153

20K→HALF

12.4 - 13.1 mi

Top 75%
×2
+19ft-37ft

Overall

21651

Males

13093

M55-59

13093

HALF→25K

13.1 - 15.5 mi

Top 73%
×4
+66ft-88ft

Overall

21179

Males

12833

M55-59

12833

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19683

Males

12019

M55-59

12019

30K→20M

18.6 - 20.0 mi

Top 61%
×5
+64ft-50ft

Overall

17816

Males

11105

M55-59

11105

20M→21M

20.0 - 21.0 mi

Top 59%
×8
+106ft-24ft

Overall

17236

Males

10790

M55-59

10790

21M→35K

21.0 - 21.8 mi

Top 57%
×7
+17ft-86ft

Overall

16615

Males

10479

M55-59

10479

35K→23M

21.8 - 23.0 mi

Top 58%
×5
+23ft-63ft

Overall

16725

Males

10402

M55-59

10402

23M→24M

23.0 - 24.0 mi

Top 57%
×6
+12ft-82ft

Overall

16592

Males

10310

M55-59

10310

24M→40K

24.0 - 24.9 mi

Top 55%
×1
+6ft-20ft

Overall

16028

Males

9995

M55-59

9995

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16923

Males

10410

M55-59

10410

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16767

Males

10339

M55-59

10339

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3157*
Passed By
370
Net Change
+2727
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23171
5K → 10K200200-60#23171#23231
10K → 15K317*73+244#23231#22987
15K → 20K339*31+308#22987#22679
20K → HALF6011+49#22679#22630
HALF → 25K279*12+267#22630#22363
25K → 30K495*8+487#22363#21876
30K → 20M300*3+297#21876#21579
20M → 21M223*6+217#21579#21362
21M → 35K1552+153#21362#21209
35K → 23M243*3+240#21209#20969
23M → 24M1685+163#20969#20806
24M → 40K1661+165#20806#20641
40K → 25.2M638+55#20641#20586
25.2M → FINISH1497+142#20586#20444
TOTALS3157*370+2727

* 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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