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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Won Suk An

Bib: 25530 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F65-69)
#0 / 273
Top 11%
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
27:51
3.11 mi
Rank: #22487
Start → 5K
27:51 | 8:58/mi
10K
54:13
6.21 mi
Rank: #21470 (+1017)
5K → 10K
26:22 | 8:30/mi
15K
1:20:16
9.32 mi
Rank: #20805 (+665)
10K → 15K
26:03 | 8:24/mi
20K
1:47:31
12.43 mi
Rank: #20796 (+9)
15K → 20K
27:15 | 8:47/mi
HALF
1:53:15
13.11 mi
Rank: #20736 (+60)
20K → HALF
5:44 | 8:25/mi
25K
2:14:35
15.53 mi
Rank: #20635 (+101)
HALF → 25K
21:20 | 8:48/mi
30K
2:42:28
18.64 mi
Rank: #20419 (+216)
25K → 30K
27:53 | 8:59/mi
20M
2:54:50
20.00 mi
Rank: #20333 (+86)
30K → 20M
12:22 | 9:07/mi
21M
3:04:25
21.00 mi
Rank: #20251 (+82)
20M → 21M
9:35 | 9:35/mi
35K
3:10:49
21.75 mi
Rank: #20173 (+78)
21M → 35K
6:24 | 8:34/mi
23M
3:21:56
23.00 mi
Rank: #20051 (+122)
35K → 23M
11:07 | 8:53/mi
24M
3:30:51
24.00 mi
Rank: #19998 (+53)
23M → 24M
8:55 | 8:55/mi
40K
3:38:52
24.85 mi
Rank: #20004 (-6)
24M → 40K
8:01 | 9:23/mi
25.2M
3:42:23
25.20 mi
Rank: #20005 (-1)
40K → 25.2M
3:31 | 10:12/mi
FINISH
3:51:39
26.22 mi
Rank: #20044 (-39)
25.2M → FINISH
9:16 | 9:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:15
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:58:24
Pace9:02 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:35:1127:518:5827:51
8:58
-
10K
6.21 mi12:01:3354:138:4426:22
8:30
-0:28
15K
9.32 mi12:27:361:20:168:3726:03
8:24
-0:06
20K
12.43 mi12:54:511:47:318:4027:15
8:47
+0:23
HALF
13.11 mi13:00:351:53:158:395:44
8:25
-0:22
25K
15.53 mi13:21:552:14:358:4021:20
8:48
+0:23
30K
18.64 mi13:49:482:42:288:4327:53
8:59
+0:11
20M
20.00 mi14:02:102:54:508:4512:22
9:07
+0:08
21M
21.00 mi14:11:453:04:258:479:35
9:35
+0:28
35K
21.75 mi14:18:093:10:498:476:24
8:34
-1:01
23M
23.00 mi14:29:163:21:568:4711:07
8:53
+0:19
24M
24.00 mi14:38:113:30:518:488:55
8:55
+0:02
40K
24.85 mi14:46:123:38:528:498:01
9:23
+0:28
25.2M
25.20 mi14:49:433:42:238:503:31
10:12
+0:49
FINISH
26.22 mi14:58:593:51:398:519:16
9:06
-1:06

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

8:24 /mi

Average Pace

8:50 /mi

Slowest Pace

10:12 /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

1:04:33

28% of race

Time at Steady Pace

2:25:59

63% of race

Time at Slower Pace

21:07

9% of race

Average Pace: 8:50 /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 mi11:35:1127:518:5827:51
8:58
#22487
10K
6.21 mi12:01:3354:138:4426:22
8:30
#21470
15K
9.32 mi12:27:361:20:168:3726:03
8:24
#20805
20K
12.43 mi12:54:511:47:318:4027:15
8:47
#20796
HALF
13.11 mi13:00:351:53:158:395:44
8:25
#20736
25K
15.53 mi13:21:552:14:358:4021:20
8:48
#20635
30K
18.64 mi13:49:482:42:288:4327:53
8:59
#20419
20M
20.00 mi14:02:102:54:508:4512:22
9:07
#20333
21M
21.00 mi14:11:453:04:258:479:35
9:35
#20251
35K
21.75 mi14:18:093:10:498:476:24
8:34
#20173
23M
23.00 mi14:29:163:21:568:4711:07
8:53
#20051
24M
24.00 mi14:38:113:30:518:488:55
8:55
#19998
40K
24.85 mi14:46:123:38:528:498:01
9:23
#20004
25.2M
25.20 mi14:49:433:42:238:503:31
10:12
#20005
FINISH
26.22 mi14:58:593:51:398:519:16
9:06
#20044
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi224878920892019486(Top 67%)7308(Top 58%)7308(Top 2677%)
10K6.21 mi3.10 mi21470+10178394+5268394+52620274(Top 70%)7740(Top 62%)7740(Top 2835%)
15K9.32 mi3.11 mi20805+6658037+3578037+35719486(Top 67%)7308(Top 58%)7308(Top 2677%)
20K12.43 mi3.11 mi20796+98043-68043-620826(Top 72%)8056(Top 64%)8056(Top 2951%)
HALF13.11 mi0.68 mi20736+608010+338010+3319788(Top 68%)7478(Top 59%)7478(Top 2739%)
25K15.53 mi2.42 mi20635+1017972+387972+3820238(Top 70%)7775(Top 62%)7775(Top 2848%)
30K18.64 mi3.11 mi20419+2167883+897883+8919465(Top 67%)7467(Top 59%)7467(Top 2735%)
20M20.00 mi1.36 mi20333+867840+437840+4319459(Top 67%)7525(Top 60%)7525(Top 2756%)
21M21.00 mi1.00 mi20251+827814+267814+2618907(Top 65%)7281(Top 58%)7281(Top 2667%)
35K21.75 mi0.75 mi20173+787780+347780+3417939(Top 62%)6873(Top 55%)6873(Top 2518%)
23M23.00 mi1.25 mi20051+1227734+467734+4617946(Top 62%)6943(Top 55%)6943(Top 2543%)
24M24.00 mi1.00 mi19998+537730+47730+419111(Top 66%)7568(Top 60%)7568(Top 2772%)
40K24.85 mi0.85 mi20004-67750-207750-2019948(Top 69%)8050(Top 64%)8050(Top 2949%)
25.2M25.20 mi0.35 mi20005-17760-107760-1020139(Top 69%)8135(Top 65%)8135(Top 2980%)
FINISH26.22 mi1.02 mi20044-397792-327792-3220918(Top 72%)8534(Top 68%)8534(Top 3126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21
+97ft-345ft

Overall

19486

Females

7308

F65-69

7308

5K→10K

3.1 - 6.2 mi

Top 70%
×5
+79ft-138ft

Overall

20274

Females

7740

F65-69

7740

10K→15K

6.2 - 9.3 mi

Top 67%
×3
+67ft-78ft

Overall

19486

Females

7308

F65-69

7308

15K→20K

9.3 - 12.4 mi

Top 72%
×5
+106ft-86ft

Overall

20826

Females

8056

F65-69

8056

20K→HALF

12.4 - 13.1 mi

Top 68%
×2
+19ft-37ft

Overall

19788

Females

7478

F65-69

7478

HALF→25K

13.1 - 15.5 mi

Top 70%
×4
+66ft-88ft

Overall

20238

Females

7775

F65-69

7775

25K→30K

15.5 - 18.6 mi

Top 67%
×9
+181ft-148ft

Overall

19465

Females

7467

F65-69

7467

30K→20M

18.6 - 20.0 mi

Top 67%
×5
+64ft-50ft

Overall

19459

Females

7525

F65-69

7525

20M→21M

20.0 - 21.0 mi

Top 65%
×8
+106ft-24ft

Overall

18907

Females

7281

F65-69

7281

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

17939

Females

6873

F65-69

6873

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

17946

Females

6943

F65-69

6943

23M→24M

23.0 - 24.0 mi

Top 66%
×6
+12ft-82ft

Overall

19111

Females

7568

F65-69

7568

24M→40K

24.0 - 24.9 mi

Top 69%
×1
+6ft-20ft

Overall

19948

Females

8050

F65-69

8050

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1
+13ft-16ft

Overall

20139

Females

8135

F65-69

8135

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

20918

Females

8534

F65-69

8534

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3113*
Passed By
670
Net Change
+2443
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22487
5K → 10K1053*36+1017#22487#21470
10K → 15K686*21+665#21470#20805
15K → 20K172163+9#20805#20796
20K → HALF699+60#20796#20736
HALF → 25K16867+101#20736#20635
25K → 30K280*64+216#20635#20419
30K → 20M12943+86#20419#20333
20M → 21M11331+82#20333#20251
21M → 35K857+78#20251#20173
35K → 23M14624+122#20173#20051
23M → 24M8835+53#20051#19998
24M → 40K5561-6#19998#20004
40K → 25.2M2627-1#20004#20005
25.2M → FINISH4382-39#20005#20044
TOTALS3113*670+2443

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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