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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Mary Chua

Bib: 23728 •F •Age: N/A

NY

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 (F50-54)
#0 / 1233
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
25:50
3.11 mi
Rank: #18966
Start → 5K
25:50 | 8:19/mi
10K
51:13
6.21 mi
Rank: #18669 (+297)
5K → 10K
25:23 | 8:11/mi
15K
1:16:50
9.32 mi
Rank: #18668 (+1)
10K → 15K
25:37 | 8:15/mi
20K
1:43:06
12.43 mi
Rank: #18741 (-73)
15K → 20K
26:16 | 8:28/mi
HALF
1:48:50
13.11 mi
Rank: #18789 (-48)
20K → HALF
5:44 | 8:25/mi
25K
2:10:07
15.53 mi
Rank: #19015 (-226)
HALF → 25K
21:17 | 8:47/mi
30K
2:38:22
18.64 mi
Rank: #19169 (-154)
25K → 30K
28:15 | 9:06/mi
20M
2:50:45
20.00 mi
Rank: #19209 (-40)
30K → 20M
12:23 | 9:08/mi
21M
3:01:08
21.00 mi
Rank: #19394 (-185)
20M → 21M
10:23 | 10:23/mi
35K
3:08:10
21.75 mi
Rank: #19510 (-116)
21M → 35K
7:02 | 9:25/mi
23M
3:20:09
23.00 mi
Rank: #19624 (-114)
35K → 23M
11:59 | 9:35/mi
24M
3:29:03
24.00 mi
Rank: #19591 (+33)
23M → 24M
8:54 | 8:54/mi
40K
3:36:51
24.85 mi
Rank: #19562 (+29)
24M → 40K
7:48 | 9:08/mi
25.2M
3:40:10
25.20 mi
Rank: #19530 (+32)
40K → 25.2M
3:19 | 9:38/mi
FINISH
3:48:58
26.22 mi
Rank: #19529 (+1)
25.2M → FINISH
8:48 | 8:39/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:50
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:00:08
Pace9:10 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:32:1925:508:1925:50
8:19
-
10K
6.21 mi11:57:4251:138:1525:23
8:11
-0:08
15K
9.32 mi12:23:191:16:508:1525:37
8:15
+0:04
20K
12.43 mi12:49:351:43:068:1826:16
8:28
+0:13
HALF
13.11 mi12:55:191:48:508:195:44
8:25
-0:03
25K
15.53 mi13:16:362:10:078:2321:17
8:47
+0:22
30K
18.64 mi13:44:512:38:228:3028:15
9:06
+0:19
20M
20.00 mi13:57:142:50:458:3312:23
9:08
+0:02
21M
21.00 mi14:07:373:01:088:3810:23
10:23
+1:15
35K
21.75 mi14:14:393:08:108:407:02
9:25
-0:58
23M
23.00 mi14:26:383:20:098:4311:59
9:35
+0:10
24M
24.00 mi14:35:323:29:038:438:54
8:54
-0:41
40K
24.85 mi14:43:203:36:518:447:48
9:08
+0:14
25.2M
25.20 mi14:46:393:40:108:453:19
9:38
+0:30
FINISH
26.22 mi14:55:273:48:588:458:48
8:39
-0:59

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

8:11 /mi

Average Pace

8:44 /mi

Slowest Pace

10:23 /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

1:48:50

48% of race

Time at Steady Pace

1:27:25

38% of race

Time at Slower Pace

32:43

14% of race

Average Pace: 8:44 /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 mi11:32:1925:508:1925:50
8:19
#18966
10K
6.21 mi11:57:4251:138:1525:23
8:11
#18669
15K
9.32 mi12:23:191:16:508:1525:37
8:15
#18668
20K
12.43 mi12:49:351:43:068:1826:16
8:28
#18741
HALF
13.11 mi12:55:191:48:508:195:44
8:25
#18789
25K
15.53 mi13:16:362:10:078:2321:17
8:47
#19015
30K
18.64 mi13:44:512:38:228:3028:15
9:06
#19169
20M
20.00 mi13:57:142:50:458:3312:23
9:08
#19209
21M
21.00 mi14:07:373:01:088:3810:23
10:23
#19394
35K
21.75 mi14:14:393:08:108:407:02
9:25
#19510
23M
23.00 mi14:26:383:20:098:4311:59
9:35
#19624
24M
24.00 mi14:35:323:29:038:438:54
8:54
#19591
40K
24.85 mi14:43:203:36:518:447:48
9:08
#19562
25.2M
25.20 mi14:46:393:40:108:453:19
9:38
#19530
FINISH
26.22 mi14:55:273:48:588:458:48
8:39
#19529
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi189667069706918663(Top 64%)6851(Top 54%)6851(Top 556%)
10K6.21 mi3.10 mi18669+2976871+1986871+19818418(Top 63%)6703(Top 53%)6703(Top 544%)
15K9.32 mi3.11 mi18668+16860+116860+1118663(Top 64%)6851(Top 54%)6851(Top 556%)
20K12.43 mi3.11 mi18741-736914-546914-5419049(Top 66%)7098(Top 56%)7098(Top 576%)
HALF13.11 mi0.68 mi18789-486942-286942-2819778(Top 68%)7468(Top 59%)7468(Top 606%)
25K15.53 mi2.42 mi19015-2267084-1427084-14220119(Top 69%)7724(Top 61%)7724(Top 626%)
30K18.64 mi3.11 mi19169-1547204-1207204-12020036(Top 69%)7754(Top 62%)7754(Top 629%)
20M20.00 mi1.36 mi19209-407236-327236-3219510(Top 67%)7547(Top 60%)7547(Top 612%)
21M21.00 mi1.00 mi19394-1857362-1267362-12621646(Top 75%)8707(Top 69%)8707(Top 706%)
35K21.75 mi0.75 mi19510-1167436-747436-7421479(Top 74%)8684(Top 69%)8684(Top 704%)
23M23.00 mi1.25 mi19624-1147526-907526-9020852(Top 72%)8382(Top 67%)8382(Top 680%)
24M24.00 mi1.00 mi19591+337513+137513+1319035(Top 66%)7537(Top 60%)7537(Top 611%)
40K24.85 mi0.85 mi19562+297511+27511+218976(Top 65%)7560(Top 60%)7560(Top 613%)
25.2M25.20 mi0.35 mi19530+327499+127499+1217962(Top 62%)7025(Top 56%)7025(Top 570%)
FINISH26.22 mi1.02 mi19529+17507-87507-818861(Top 65%)7493(Top 60%)7493(Top 608%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18663

Females

6851

F50-54

6851

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18418

Females

6703

F50-54

6703

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18663

Females

6851

F50-54

6851

15K→20K

9.3 - 12.4 mi

Top 66%
×5
+106ft-86ft

Overall

19049

Females

7098

F50-54

7098

20K→HALF

12.4 - 13.1 mi

Top 68%
×2
+19ft-37ft

Overall

19778

Females

7468

F50-54

7468

HALF→25K

13.1 - 15.5 mi

Top 69%
×4
+66ft-88ft

Overall

20119

Females

7724

F50-54

7724

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

20036

Females

7754

F50-54

7754

30K→20M

18.6 - 20.0 mi

Top 67%
×5
+64ft-50ft

Overall

19510

Females

7547

F50-54

7547

20M→21M

20.0 - 21.0 mi

Top 75%
×8
+106ft-24ft

Overall

21646

Females

8707

F50-54

8707

21M→35K

21.0 - 21.8 mi

Top 74%
×7
+17ft-86ft

Overall

21479

Females

8684

F50-54

8684

35K→23M

21.8 - 23.0 mi

Top 72%
×5
+23ft-63ft

Overall

20852

Females

8382

F50-54

8382

23M→24M

23.0 - 24.0 mi

Top 66%
×6
+12ft-82ft

Overall

19035

Females

7537

F50-54

7537

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18976

Females

7560

F50-54

7560

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1
+13ft-16ft

Overall

17962

Females

7025

F50-54

7025

25.2M→FINISH

25.2 - 26.2 mi

Top 65%
×2
+22ft-21ft

Overall

18861

Females

7493

F50-54

7493

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1456*
Passed By
1791
Net Change
-563
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18966
5K → 10K457*160+297#18966#18669
10K → 15K168167+1#18669#18668
15K → 20K134200-73#18668#18741
20K → HALF1260-48#18741#18789
HALF → 25K68200-226#18789#19015
25K → 30K152200-154#19015#19169
30K → 20M85125-40#19169#19209
20M → 21M36200-185#19209#19394
21M → 35K27143-116#19394#19510
35K → 23M57171-114#19510#19624
23M → 24M8451+33#19624#19591
24M → 40K7950+29#19591#19562
40K → 25.2M386+32#19562#19530
25.2M → FINISH5958+1#19530#19529
TOTALS1456*1791-563

* 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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