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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Catherine Zhang

Bib: 22703 •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 (F45-49)
#0 / 1786
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
28:01
3.11 mi
Rank: #22745
Start → 5K
28:01 | 9:02/mi
10K
54:04
6.21 mi
Rank: #21314 (+1431)
5K → 10K
26:03 | 8:24/mi
15K
1:19:50
9.32 mi
Rank: #20521 (+793)
10K → 15K
25:46 | 8:18/mi
20K
1:45:42
12.43 mi
Rank: #19950 (+571)
15K → 20K
25:52 | 8:20/mi
HALF
1:51:18
13.11 mi
Rank: #19888 (+62)
20K → HALF
5:36 | 8:13/mi
25K
2:11:36
15.53 mi
Rank: #19578 (+310)
HALF → 25K
20:18 | 8:23/mi
30K
2:40:24
18.64 mi
Rank: #19807 (-229)
25K → 30K
28:48 | 9:17/mi
20M
2:53:37
20.00 mi
Rank: #20011 (-204)
30K → 20M
13:13 | 9:44/mi
21M
3:03:19
21.00 mi
Rank: #19968 (+43)
20M → 21M
9:42 | 9:42/mi
35K
3:09:40
21.75 mi
Rank: #19880 (+88)
21M → 35K
6:21 | 8:30/mi
23M
3:20:19
23.00 mi
Rank: #19666 (+214)
35K → 23M
10:39 | 8:31/mi
24M
3:29:08
24.00 mi
Rank: #19610 (+56)
23M → 24M
8:49 | 8:49/mi
40K
3:36:02
24.85 mi
Rank: #19403 (+207)
24M → 40K
6:54 | 8:05/mi
25.2M
3:39:07
25.20 mi
Rank: #19327 (+76)
40K → 25.2M
3:05 | 8:57/mi
FINISH
3:47:33
26.22 mi
Rank: #19227 (+100)
25.2M → FINISH
8:26 | 8:17/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:51:18
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:56:15
Pace8:53 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3728:019:0228:01
9:02
-
10K
6.21 mi12:15:4054:048:4326:03
8:24
-0:38
15K
9.32 mi12:41:261:19:508:3425:46
8:18
-0:06
20K
12.43 mi13:07:181:45:428:3125:52
8:20
+0:02
HALF
13.11 mi13:12:541:51:188:305:36
8:13
-0:07
25K
15.53 mi13:33:122:11:368:2920:18
8:23
+0:10
30K
18.64 mi14:02:002:40:248:3728:48
9:17
+0:54
20M
20.00 mi14:15:132:53:378:4113:13
9:44
+0:27
21M
21.00 mi14:24:553:03:198:449:42
9:42
-0:02
35K
21.75 mi14:31:163:09:408:446:21
8:30
-1:12
23M
23.00 mi14:41:553:20:198:4310:39
8:31
+0:01
24M
24.00 mi14:50:443:29:088:438:49
8:49
+0:18
40K
24.85 mi14:57:383:36:028:426:54
8:05
-0:44
25.2M
25.20 mi15:00:433:39:078:423:05
8:57
+0:52
FINISH
26.22 mi15:09:093:47:338:428:26
8:17
-0:40

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

8:05 /mi

Average Pace

8:41 /mi

Slowest Pace

9:44 /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

12:30

5% of race

Time at Steady Pace

2:03:25

54% of race

Time at Slower Pace

1:31:38

40% of race

Average Pace: 8:41 /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 mi11:49:3728:019:0228:01
9:02
#22745
10K
6.21 mi12:15:4054:048:4326:03
8:24
#21314
15K
9.32 mi12:41:261:19:508:3425:46
8:18
#20521
20K
12.43 mi13:07:181:45:428:3125:52
8:20
#19950
HALF
13.11 mi13:12:541:51:188:305:36
8:13
#19888
25K
15.53 mi13:33:122:11:368:2920:18
8:23
#19578
30K
18.64 mi14:02:002:40:248:3728:48
9:17
#19807
20M
20.00 mi14:15:132:53:378:4113:13
9:44
#20011
21M
21.00 mi14:24:553:03:198:449:42
9:42
#19968
35K
21.75 mi14:31:163:09:408:446:21
8:30
#19880
23M
23.00 mi14:41:553:20:198:4310:39
8:31
#19666
24M
24.00 mi14:50:443:29:088:438:49
8:49
#19610
40K
24.85 mi14:57:383:36:028:426:54
8:05
#19403
25.2M
25.20 mi15:00:433:39:078:423:05
8:57
#19327
FINISH
26.22 mi15:09:093:47:338:428:26
8:17
#19227
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 mi227459039903918957(Top 65%)7019(Top 56%)7019(Top 393%)
10K6.21 mi3.10 mi21314+14318313+7268313+72619690(Top 68%)7424(Top 59%)7424(Top 416%)
15K9.32 mi3.11 mi20521+7937884+4297884+42918957(Top 65%)7019(Top 56%)7019(Top 393%)
20K12.43 mi3.11 mi19950+5717604+2807604+28018282(Top 63%)6683(Top 53%)6683(Top 374%)
HALF13.11 mi0.68 mi19888+627567+377567+3718560(Top 64%)6809(Top 54%)6809(Top 381%)
25K15.53 mi2.42 mi19578+3107399+1687399+16817833(Top 61%)6472(Top 51%)6472(Top 362%)
30K18.64 mi3.11 mi19807-2297554-1557554-15520827(Top 72%)8170(Top 65%)8170(Top 457%)
20M20.00 mi1.36 mi20011-2047673-1197673-11921814(Top 75%)8752(Top 70%)8752(Top 490%)
21M21.00 mi1.00 mi19968+437666+77666+719395(Top 67%)7529(Top 60%)7529(Top 422%)
35K21.75 mi0.75 mi19880+887628+387628+3817565(Top 61%)6672(Top 53%)6672(Top 374%)
23M23.00 mi1.25 mi19666+2147551+777551+7715813(Top 54%)5744(Top 46%)5744(Top 322%)
24M24.00 mi1.00 mi19610+567528+237528+2318636(Top 64%)7316(Top 58%)7316(Top 410%)
40K24.85 mi0.85 mi19403+2077428+1007428+10013036(Top 45%)4361(Top 35%)4361(Top 244%)
25.2M25.20 mi0.35 mi19327+767392+367392+3614505(Top 50%)5197(Top 41%)5197(Top 291%)
FINISH26.22 mi1.02 mi19227+1007356+367356+3616924(Top 58%)6474(Top 51%)6474(Top 362%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21
+97ft-345ft

Overall

18957

Females

7019

F45-49

7019

5K→10K

3.1 - 6.2 mi

Top 68%
×5
+79ft-138ft

Overall

19690

Females

7424

F45-49

7424

10K→15K

6.2 - 9.3 mi

Top 65%
×3
+67ft-78ft

Overall

18957

Females

7019

F45-49

7019

15K→20K

9.3 - 12.4 mi

Top 63%
×5
+106ft-86ft

Overall

18282

Females

6683

F45-49

6683

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18560

Females

6809

F45-49

6809

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17833

Females

6472

F45-49

6472

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20827

Females

8170

F45-49

8170

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21814

Females

8752

F45-49

8752

20M→21M

20.0 - 21.0 mi

Top 67%
×8
+106ft-24ft

Overall

19395

Females

7529

F45-49

7529

21M→35K

21.0 - 21.8 mi

Top 61%
×7
+17ft-86ft

Overall

17565

Females

6672

F45-49

6672

35K→23M

21.8 - 23.0 mi

Top 54%
×5
+23ft-63ft

Overall

15813

Females

5744

F45-49

5744

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18636

Females

7316

F45-49

7316

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

13036

Females

4361

F45-49

4361

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1
+13ft-16ft

Overall

14505

Females

5197

F45-49

5197

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16924

Females

6474

F45-49

6474

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4302*
Passed By
584
Net Change
+3518
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22745
5K → 10K1448*17+1431#22745#21314
10K → 15K810*17+793#21314#20521
15K → 20K578*7+571#20521#19950
20K → HALF686+62#19950#19888
HALF → 25K318*8+310#19888#19578
25K → 30K121200-229#19578#19807
30K → 20M46200-204#19807#20011
20M → 21M10562+43#20011#19968
21M → 35K946+88#19968#19880
35K → 23M221*7+214#19880#19666
23M → 24M9236+56#19666#19610
24M → 40K208*1+207#19610#19403
40K → 25.2M782+76#19403#19327
25.2M → FINISH11515+100#19327#19227
TOTALS4302*584+3518

* 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

Activity Data

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