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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Tracy Luk

Bib: 21735 •F •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
Masters (Masters Women)
#0 / 6862
Top 34%
Age Group (F45-49)
#0 / 1786
Top 44%
Race Day Weather
51°/41°F
overcast clouds
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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
25:21
3.11 mi
Rank: #17973
Start → 5K
25:21 | 8:10/mi
10K
50:21
6.21 mi
Rank: #17793 (+180)
5K → 10K
25:00 | 8:03/mi
15K
1:15:24
9.32 mi
Rank: #17700 (+93)
10K → 15K
25:03 | 8:04/mi
20K
1:41:00
12.43 mi
Rank: #17695 (+5)
15K → 20K
25:36 | 8:15/mi
HALF
1:46:34
13.11 mi
Rank: #17731 (-36)
20K → HALF
5:34 | 8:10/mi
25K
2:06:57
15.53 mi
Rank: #17760 (-29)
HALF → 25K
20:23 | 8:25/mi
30K
2:33:26
18.64 mi
Rank: #17590 (+170)
25K → 30K
26:29 | 8:32/mi
20M
2:45:09
20.00 mi
Rank: #17518 (+72)
30K → 20M
11:43 | 8:38/mi
21M
2:54:15
21.00 mi
Rank: #17436 (+82)
20M → 21M
9:06 | 9:06/mi
35K
3:00:21
21.75 mi
Rank: #17354 (+82)
21M → 35K
6:06 | 8:10/mi
23M
3:10:54
23.00 mi
Rank: #17211 (+143)
35K → 23M
10:33 | 8:26/mi
24M
3:19:04
24.00 mi
Rank: #17093 (+118)
23M → 24M
8:10 | 8:10/mi
40K
3:26:10
24.85 mi
Rank: #16967 (+126)
24M → 40K
7:06 | 8:19/mi
25.2M
3:29:13
25.20 mi
Rank: #16928 (+39)
40K → 25.2M
3:03 | 8:51/mi
FINISH
3:37:04
26.22 mi
Rank: #16763 (+165)
25.2M → FINISH
7:51 | 7:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:46:34
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:50:30
Pace8:26 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4425:218:1025:21
8:10
-
10K
6.21 mi11:51:4450:218:0725:00
8:03
-0:07
15K
9.32 mi12:16:471:15:248:0625:03
8:04
+0:01
20K
12.43 mi12:42:231:41:008:0825:36
8:15
+0:11
HALF
13.11 mi12:47:571:46:348:085:34
8:10
-0:05
25K
15.53 mi13:08:202:06:578:1120:23
8:25
+0:15
30K
18.64 mi13:34:492:33:268:1426:29
8:32
+0:07
20M
20.00 mi13:46:322:45:098:1611:43
8:38
+0:06
21M
21.00 mi13:55:382:54:158:189:06
9:06
+0:28
35K
21.75 mi14:01:443:00:218:186:06
8:10
-0:56
23M
23.00 mi14:12:173:10:548:1910:33
8:26
+0:16
24M
24.00 mi14:20:273:19:048:188:10
8:10
-0:16
40K
24.85 mi14:27:333:26:108:187:06
8:19
+0:09
25.2M
25.20 mi14:30:363:29:138:193:03
8:51
+0:32
FINISH
26.22 mi14:38:273:37:048:187:51
7:43
-1:08

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

7:43 /mi

Average Pace

8:17 /mi

Slowest Pace

9:06 /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

2:46:43

77% of race

Time at Steady Pace

50:21

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi11:26:4425:218:1025:21
8:10
#17973
10K
6.21 mi11:51:4450:218:0725:00
8:03
#17793
15K
9.32 mi12:16:471:15:248:0625:03
8:04
#17700
20K
12.43 mi12:42:231:41:008:0825:36
8:15
#17695
HALF
13.11 mi12:47:571:46:348:085:34
8:10
#17731
25K
15.53 mi13:08:202:06:578:1120:23
8:25
#17760
30K
18.64 mi13:34:492:33:268:1426:29
8:32
#17590
20M
20.00 mi13:46:322:45:098:1611:43
8:38
#17518
21M
21.00 mi13:55:382:54:158:189:06
9:06
#17436
35K
21.75 mi14:01:443:00:218:186:06
8:10
#17354
23M
23.00 mi14:12:173:10:548:1910:33
8:26
#17211
24M
24.00 mi14:20:273:19:048:188:10
8:10
#17093
40K
24.85 mi14:27:333:26:108:187:06
8:19
#16967
25.2M
25.20 mi14:30:363:29:138:193:03
8:51
#16928
FINISH
26.22 mi14:38:273:37:048:187:51
7:43
#16763
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 mi179736490649017463(Top 60%)6173(Top 49%)6173(Top 346%)
10K6.21 mi3.10 mi17793+1806369+1216369+12117609(Top 61%)6268(Top 50%)6268(Top 351%)
15K9.32 mi3.11 mi17700+936325+446325+4417463(Top 60%)6173(Top 49%)6173(Top 346%)
20K12.43 mi3.11 mi17695+56325632517754(Top 61%)6366(Top 51%)6366(Top 356%)
HALF13.11 mi0.68 mi17731-366347-226347-2218216(Top 63%)6589(Top 52%)6589(Top 369%)
25K15.53 mi2.42 mi17760-296362-156362-1518020(Top 62%)6564(Top 52%)6564(Top 368%)
30K18.64 mi3.11 mi17590+1706285+776285+7717061(Top 59%)6130(Top 49%)6130(Top 343%)
20M20.00 mi1.36 mi17518+726271+146271+1416959(Top 58%)6170(Top 49%)6170(Top 345%)
21M21.00 mi1.00 mi17436+826242+296242+2916675(Top 57%)6071(Top 48%)6071(Top 340%)
35K21.75 mi0.75 mi17354+826212+306212+3015542(Top 54%)5500(Top 44%)5500(Top 308%)
23M23.00 mi1.25 mi17211+1436156+566156+5615291(Top 53%)5426(Top 43%)5426(Top 304%)
24M24.00 mi1.00 mi17093+1186114+426114+4214894(Top 51%)5283(Top 42%)5283(Top 296%)
40K24.85 mi0.85 mi16967+1266064+506064+5014524(Top 50%)5180(Top 41%)5180(Top 290%)
25.2M25.20 mi0.35 mi16928+396052+126052+1213887(Top 48%)4862(Top 39%)4862(Top 272%)
FINISH26.22 mi1.02 mi16763+1655976+765976+7613071(Top 45%)4435(Top 35%)4435(Top 248%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17463

Females

6173

F45-49

6173

5K→10K

3.1 - 6.2 mi

Top 61%
×5
+79ft-138ft

Overall

17609

Females

6268

F45-49

6268

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17463

Females

6173

F45-49

6173

15K→20K

9.3 - 12.4 mi

Top 61%
×5
+106ft-86ft

Overall

17754

Females

6366

F45-49

6366

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18216

Females

6589

F45-49

6589

HALF→25K

13.1 - 15.5 mi

Top 62%
×4
+66ft-88ft

Overall

18020

Females

6564

F45-49

6564

25K→30K

15.5 - 18.6 mi

Top 59%
×9
+181ft-148ft

Overall

17061

Females

6130

F45-49

6130

30K→20M

18.6 - 20.0 mi

Top 58%
×5
+64ft-50ft

Overall

16959

Females

6170

F45-49

6170

20M→21M

20.0 - 21.0 mi

Top 57%
×8
+106ft-24ft

Overall

16675

Females

6071

F45-49

6071

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15542

Females

5500

F45-49

5500

35K→23M

21.8 - 23.0 mi

Top 53%
×5
+23ft-63ft

Overall

15291

Females

5426

F45-49

5426

23M→24M

23.0 - 24.0 mi

Top 51%
×6
+12ft-82ft

Overall

14894

Females

5283

F45-49

5283

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14524

Females

5180

F45-49

5180

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1
+13ft-16ft

Overall

13887

Females

4862

F45-49

4862

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
×2
+22ft-21ft

Overall

13071

Females

4435

F45-49

4435

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2185*
Passed By
975
Net Change
+1210
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17973
5K → 10K370*190+180#17973#17793
10K → 15K222*129+93#17793#17700
15K → 20K179174+5#17700#17695
20K → HALF2561-36#17695#17731
HALF → 25K110139-29#17731#17760
25K → 30K278*108+170#17760#17590
30K → 20M11644+72#17590#17518
20M → 21M11533+82#17518#17436
21M → 35K10220+82#17436#17354
35K → 23M17734+143#17354#17211
23M → 24M13618+118#17211#17093
24M → 40K1359+126#17093#16967
40K → 25.2M445+39#16967#16928
25.2M → FINISH17611+165#16928#16763
TOTALS2185*975+1210

* 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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