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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sunduk Kim

Bib: 17106 β€’F β€’Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 46%
Gender (Female)
#0 / 12578
Top 32%
Masters (Masters Women)
#0 / 6862
Top 15%
Age Group (F45-49)
#0 / 1786
Top 16%
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Sunduk

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 Β· 7:32/mi at mile 6.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase Β· Instant access Β· Downloadable PDF Β· 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
23:43
3.11 mi
Rank: #13964
Start β†’ 5K
23:43 | 7:39/mi
10K
47:07
6.21 mi
Rank: #13567 (+397)
5K β†’ 10K
23:24 | 7:32/mi
15K
1:10:59
9.32 mi
Rank: #13805 (-238)
10K β†’ 15K
23:52 | 7:41/mi
20K
1:34:50
12.43 mi
Rank: #13691 (+114)
15K β†’ 20K
23:51 | 7:41/mi
HALF
1:39:59
13.11 mi
Rank: #13676 (+15)
20K β†’ HALF
5:09 | 7:34/mi
25K
1:58:47
15.53 mi
Rank: #13626 (+50)
HALF β†’ 25K
18:48 | 7:46/mi
30K
2:23:36
18.64 mi
Rank: #13557 (+69)
25K β†’ 30K
24:49 | 8:00/mi
20M
2:34:36
20.00 mi
Rank: #13515 (+42)
30K β†’ 20M
11:00 | 8:06/mi
21M
2:43:21
21.00 mi
Rank: #13571 (-56)
20M β†’ 21M
8:45 | 8:45/mi
35K
2:49:09
21.75 mi
Rank: #13519 (+52)
21M β†’ 35K
5:48 | 7:46/mi
23M
2:59:10
23.00 mi
Rank: #13430 (+89)
35K β†’ 23M
10:01 | 8:01/mi
24M
3:06:58
24.00 mi
Rank: #13363 (+67)
23M β†’ 24M
7:48 | 7:48/mi
40K
3:13:41
24.85 mi
Rank: #13267 (+96)
24M β†’ 40K
6:43 | 7:52/mi
25.2M
3:16:41
25.20 mi
Rank: #13250 (+17)
40K β†’ 25.2M
3:00 | 8:42/mi
FINISH
3:24:38
26.22 mi
Rank: #13264 (-14)
25.2M β†’ FINISH
7:57 | 7:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:59
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:44:39
Pace7:59 /mi
πŸ“ŠPositive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:0223:437:3923:43
7:39
-
10K
6.21 mi11:28:2647:077:3523:24
7:32
-0:07
15K
9.32 mi11:52:181:10:597:3723:52
7:41
+0:09
20K
12.43 mi12:16:091:34:507:3823:51
7:41
0:00
HALF
13.11 mi12:21:181:39:597:385:09
7:34
-0:07
25K
15.53 mi12:40:061:58:477:3918:48
7:46
+0:12
30K
18.64 mi13:04:552:23:367:4324:49
8:00
+0:14
20M
20.00 mi13:15:552:34:367:4411:00
8:06
+0:06
21M
21.00 mi13:24:402:43:217:478:45
8:45
+0:39
35K
21.75 mi13:30:282:49:097:475:48
7:46
-0:59
23M
23.00 mi13:40:292:59:107:4810:01
8:01
+0:15
24M
24.00 mi13:48:173:06:587:487:48
7:48
-0:13
40K
24.85 mi13:55:003:13:417:486:43
7:52
+0:04
25.2M
25.20 mi13:58:003:16:417:493:00
8:42
+0:50
FINISH
26.22 mi14:05:573:24:387:497:57
7:49
-0:53

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

7:32 /mi

Average Pace

7:49 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

3:12:53

94% of race

Time at Steady Pace

11:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:05:0223:437:3923:43
7:39
#13964
10K
6.21 mi11:28:2647:077:3523:24
7:32
#13567
15K
9.32 mi11:52:181:10:597:3723:52
7:41
#13805
20K
12.43 mi12:16:091:34:507:3823:51
7:41
#13691
HALF
13.11 mi12:21:181:39:597:385:09
7:34
#13676
25K
15.53 mi12:40:061:58:477:3918:48
7:46
#13626
30K
18.64 mi13:04:552:23:367:4324:49
8:00
#13557
20M
20.00 mi13:15:552:34:367:4411:00
8:06
#13515
21M
21.00 mi13:24:402:43:217:478:45
8:45
#13571
35K
21.75 mi13:30:282:49:097:475:48
7:46
#13519
23M
23.00 mi13:40:292:59:107:4810:01
8:01
#13430
24M
24.00 mi13:48:173:06:587:487:48
7:48
#13363
40K
24.85 mi13:55:003:13:417:486:43
7:52
#13267
25.2M
25.20 mi13:58:003:16:417:493:00
8:42
#13250
FINISH
26.22 mi14:05:573:24:387:497:57
7:49
#13264
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 mi139644057405714386(Top 50%)4371(Top 35%)4371(Top 245%)
10K6.21 mi3.10 mi13567+3973849+2083849+20813232(Top 46%)3669(Top 29%)3669(Top 205%)
15K9.32 mi3.11 mi13805-2384005-1564005-15614386(Top 50%)4371(Top 35%)4371(Top 245%)
20K12.43 mi3.11 mi13691+1143962+433962+4313530(Top 47%)3959(Top 31%)3959(Top 222%)
HALF13.11 mi0.68 mi13676+153954+83954+813512(Top 47%)3875(Top 31%)3875(Top 217%)
25K15.53 mi2.42 mi13626+503948+63948+613460(Top 46%)3990(Top 32%)3990(Top 223%)
30K18.64 mi3.11 mi13557+693951-33951-313416(Top 46%)4076(Top 32%)4076(Top 228%)
20M20.00 mi1.36 mi13515+423959-83959-813538(Top 47%)4250(Top 34%)4250(Top 238%)
21M21.00 mi1.00 mi13571-564007-484007-4814688(Top 51%)4953(Top 39%)4953(Top 277%)
35K21.75 mi0.75 mi13519+523999+83999+812747(Top 44%)3947(Top 31%)3947(Top 221%)
23M23.00 mi1.25 mi13430+893979+203979+2012503(Top 43%)3870(Top 31%)3870(Top 217%)
24M24.00 mi1.00 mi13363+673967+123967+1212334(Top 43%)3891(Top 31%)3891(Top 218%)
40K24.85 mi0.85 mi13267+963926+413926+4111495(Top 40%)3518(Top 28%)3518(Top 197%)
25.2M25.20 mi0.35 mi13250+173925+13925+112931(Top 45%)4319(Top 34%)4319(Top 242%)
FINISH26.22 mi1.02 mi13264-143971-463971-4613802(Top 48%)4813(Top 38%)4813(Top 269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
Γ—21
+97ft-345ft

Overall

14386

Females

4371

F45-49

4371

5K→10K

3.1 - 6.2 mi

Top 46%
Γ—5
+79ft-138ft

Overall

13232

Females

3669

F45-49

3669

10K→15K

6.2 - 9.3 mi

Top 50%
Γ—3
+67ft-78ft

Overall

14386

Females

4371

F45-49

4371

15K→20K

9.3 - 12.4 mi

Top 47%
Γ—5
+106ft-86ft

Overall

13530

Females

3959

F45-49

3959

20K→HALF

12.4 - 13.1 mi

Top 47%
Γ—2
+19ft-37ft

Overall

13512

Females

3875

F45-49

3875

HALF→25K

13.1 - 15.5 mi

Top 46%
Γ—4
+66ft-88ft

Overall

13460

Females

3990

F45-49

3990

25K→30K

15.5 - 18.6 mi

Top 46%
Γ—9
+181ft-148ft

Overall

13416

Females

4076

F45-49

4076

30K→20M

18.6 - 20.0 mi

Top 47%
Γ—5
+64ft-50ft

Overall

13538

Females

4250

F45-49

4250

20M→21M

20.0 - 21.0 mi

Top 51%
Γ—8
+106ft-24ft

Overall

14688

Females

4953

F45-49

4953

21M→35K

21.0 - 21.8 mi

Top 44%
Γ—7
+17ft-86ft

Overall

12747

Females

3947

F45-49

3947

35K→23M

21.8 - 23.0 mi

Top 43%
Γ—5
+23ft-63ft

Overall

12503

Females

3870

F45-49

3870

23M→24M

23.0 - 24.0 mi

Top 43%
Γ—6
+12ft-82ft

Overall

12334

Females

3891

F45-49

3891

24M→40K

24.0 - 24.9 mi

Top 40%
Γ—1
+6ft-20ft

Overall

11495

Females

3518

F45-49

3518

40K→25.2M

24.9 - 25.2 mi

Top 45%
Γ—1
+13ft-16ft

Overall

12931

Females

4319

F45-49

4319

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
Γ—2
+22ft-21ft

Overall

13802

Females

4813

F45-49

4813

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2012*
Passed By
1156
Net Change
+700
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#13964
5K β†’ 10K545*148+397#13964#13567
10K β†’ 15K118200-238#13567#13805
15K β†’ 20K215*101+114#13805#13691
20K β†’ HALF4227+15#13691#13676
HALF β†’ 25K14696+50#13676#13626
25K β†’ 30K219*150+69#13626#13557
30K β†’ 20M11270+42#13557#13515
20M β†’ 21M69125-56#13515#13571
21M β†’ 35K8331+52#13571#13519
35K β†’ 23M13142+89#13519#13430
23M β†’ 24M10437+67#13430#13363
24M β†’ 40K11721+96#13363#13267
40K β†’ 25.2M4124+17#13267#13250
25.2M β†’ FINISH7084-14#13250#13264
TOTALS2012*1156+700

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

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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