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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Irene Chu

Bib: 26384 •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
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
Race Day Weather
51°/41°F
overcast clouds
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Race Performance Report

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  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
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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
31:06
3.11 mi
Rank: #25987
Start → 5K
31:06 | 10:01/mi
10K
1:04:01
6.21 mi
Rank: #26625 (-638)
5K → 10K
32:55 | 10:36/mi
15K
1:38:54
9.32 mi
Rank: #27105 (-480)
10K → 15K
34:53 | 11:14/mi
20K
2:15:47
12.43 mi
Rank: #27420 (-315)
15K → 20K
36:53 | 11:53/mi
HALF
2:23:45
13.11 mi
Rank: #27466 (-46)
20K → HALF
7:58 | 11:42/mi
25K
2:54:59
15.53 mi
Rank: #27647 (-181)
HALF → 25K
31:14 | 12:53/mi
30K
3:36:34
18.64 mi
Rank: #27777 (-130)
25K → 30K
41:35 | 13:24/mi
20M
3:54:26
20.00 mi
Rank: #27774 (+3)
30K → 20M
17:52 | 13:10/mi
21M
4:08:25
21.00 mi
Rank: #27759 (+15)
20M → 21M
13:59 | 13:59/mi
35K
4:17:49
21.75 mi
Rank: #27760 (-1)
21M → 35K
9:24 | 12:34/mi
23M
4:34:34
23.00 mi
Rank: #27773 (-13)
35K → 23M
16:45 | 13:24/mi
24M
4:47:24
24.00 mi
Rank: #27771 (+2)
23M → 24M
12:50 | 12:50/mi
40K
4:58:58
24.85 mi
Rank: #27772 (-1)
24M → 40K
11:34 | 13:32/mi
25.2M
5:04:00
25.20 mi
Rank: #27772
40K → 25.2M
5:02 | 14:36/mi
FINISH
5:17:35
26.22 mi
Rank: #27807 (-35)
25.2M → FINISH
13:35 | 13:20/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:23:45
Pace10:58 /mi
2nd Half
Distance13.11 mi
Time2:53:50
Pace13:16 /mi
📊Positive Split: 20.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:3031:0610:0131:06
10:01
-
10K
6.21 mi12:12:251:04:0110:1932:55
10:36
+0:35
15K
9.32 mi12:47:181:38:5410:3734:53
11:14
+0:38
20K
12.43 mi13:24:112:15:4710:5636:53
11:53
+0:39
HALF
13.11 mi13:32:092:23:4510:587:58
11:42
-0:11
25K
15.53 mi14:03:232:54:5911:1631:14
12:53
+1:11
30K
18.64 mi14:44:583:36:3411:3841:35
13:24
+0:31
20M
20.00 mi15:02:503:54:2611:4417:52
13:10
-0:14
21M
21.00 mi15:16:494:08:2511:5013:59
13:59
+0:49
35K
21.75 mi15:26:134:17:4911:529:24
12:34
-1:25
23M
23.00 mi15:42:584:34:3411:5716:45
13:24
+0:50
24M
24.00 mi15:55:484:47:2411:5912:50
12:50
-0:34
40K
24.85 mi16:07:224:58:5812:0211:34
13:32
+0:42
25.2M
25.20 mi16:12:245:04:0012:045:02
14:36
+1:04
FINISH
26.22 mi16:25:595:17:3512:0813:35
13:20
-1:16

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

10:01 /mi

Average Pace

12:07 /mi

Slowest Pace

14:36 /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

2:23:45

45% of race

Time at Steady Pace

2:23:15

45% of race

Time at Slower Pace

30:35

10% of race

Average Pace: 12:07 /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 mi11:39:3031:0610:0131:06
10:01
#25987
10K
6.21 mi12:12:251:04:0110:1932:55
10:36
#26625
15K
9.32 mi12:47:181:38:5410:3734:53
11:14
#27105
20K
12.43 mi13:24:112:15:4710:5636:53
11:53
#27420
HALF
13.11 mi13:32:092:23:4510:587:58
11:42
#27466
25K
15.53 mi14:03:232:54:5911:1631:14
12:53
#27647
30K
18.64 mi14:44:583:36:3411:3841:35
13:24
#27777
20M
20.00 mi15:02:503:54:2611:4417:52
13:10
#27774
21M
21.00 mi15:16:494:08:2511:5013:59
13:59
#27759
35K
21.75 mi15:26:134:17:4911:529:24
12:34
#27760
23M
23.00 mi15:42:584:34:3411:5716:45
13:24
#27773
24M
24.00 mi15:55:484:47:2411:5912:50
12:50
#27771
40K
24.85 mi16:07:224:58:5812:0211:34
13:32
#27772
25.2M
25.20 mi16:12:245:04:0012:045:02
14:36
#27772
FINISH
26.22 mi16:25:595:17:3512:0813:35
13:20
#27807
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 mi25987106961069627699(Top 95%)11726(Top 93%)11726(Top 951%)
10K6.21 mi3.10 mi26625-63811070-37411070-37427096(Top 93%)11348(Top 90%)11348(Top 920%)
15K9.32 mi3.11 mi27105-48011351-28111351-28127699(Top 95%)11726(Top 93%)11726(Top 951%)
20K12.43 mi3.11 mi27420-31511548-19711548-19727908(Top 96%)11859(Top 94%)11859(Top 962%)
HALF13.11 mi0.68 mi27466-4611578-3011578-3028065(Top 97%)11998(Top 95%)11998(Top 973%)
25K15.53 mi2.42 mi27647-18111693-11511693-11528161(Top 97%)12050(Top 96%)12050(Top 977%)
30K18.64 mi3.11 mi27777-13011792-9911792-9928010(Top 97%)12004(Top 95%)12004(Top 974%)
20M20.00 mi1.36 mi27774+311798-611798-627538(Top 95%)11783(Top 94%)11783(Top 956%)
21M21.00 mi1.00 mi27759+1511791+711791+727322(Top 94%)11713(Top 93%)11713(Top 950%)
35K21.75 mi0.75 mi27760-111797-611797-627338(Top 94%)11725(Top 93%)11725(Top 951%)
23M23.00 mi1.25 mi27773-1311813-1611813-1627694(Top 95%)11911(Top 95%)11911(Top 966%)
24M24.00 mi1.00 mi27771+211819-611819-627508(Top 95%)11869(Top 94%)11869(Top 963%)
40K24.85 mi0.85 mi27772-111827-811827-827528(Top 95%)11884(Top 94%)11884(Top 964%)
25.2M25.20 mi0.35 mi2777211832-511832-527695(Top 95%)11982(Top 95%)11982(Top 972%)
FINISH26.22 mi1.02 mi27807-3511856-2411856-2428408(Top 98%)12314(Top 98%)12314(Top 999%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21
+97ft-345ft

Overall

27699

Females

11726

F50-54

11726

5K→10K

3.1 - 6.2 mi

Top 93%
×5
+79ft-138ft

Overall

27096

Females

11348

F50-54

11348

10K→15K

6.2 - 9.3 mi

Top 95%
×3
+67ft-78ft

Overall

27699

Females

11726

F50-54

11726

15K→20K

9.3 - 12.4 mi

Top 96%
×5
+106ft-86ft

Overall

27908

Females

11859

F50-54

11859

20K→HALF

12.4 - 13.1 mi

Top 97%
×2
+19ft-37ft

Overall

28065

Females

11998

F50-54

11998

HALF→25K

13.1 - 15.5 mi

Top 97%
×4
+66ft-88ft

Overall

28161

Females

12050

F50-54

12050

25K→30K

15.5 - 18.6 mi

Top 97%
×9
+181ft-148ft

Overall

28010

Females

12004

F50-54

12004

30K→20M

18.6 - 20.0 mi

Top 95%
×5
+64ft-50ft

Overall

27538

Females

11783

F50-54

11783

20M→21M

20.0 - 21.0 mi

Top 94%
×8
+106ft-24ft

Overall

27322

Females

11713

F50-54

11713

21M→35K

21.0 - 21.8 mi

Top 94%
×7
+17ft-86ft

Overall

27338

Females

11725

F50-54

11725

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27694

Females

11911

F50-54

11911

23M→24M

23.0 - 24.0 mi

Top 95%
×6
+12ft-82ft

Overall

27508

Females

11869

F50-54

11869

24M→40K

24.0 - 24.9 mi

Top 95%
×1
+6ft-20ft

Overall

27528

Females

11884

F50-54

11884

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1
+13ft-16ft

Overall

27695

Females

11982

F50-54

11982

25.2M→FINISH

25.2 - 26.2 mi

Top 98%
×2
+22ft-21ft

Overall

28408

Females

12314

F50-54

12314

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
330
Passed By
1210
Net Change
-1820
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25987
5K → 10K51200-638#25987#26625
10K → 15K23200-480#26625#27105
15K → 20K26200-315#27105#27420
20K → HALF2167-46#27420#27466
HALF → 25K26200-181#27466#27647
25K → 30K34164-130#27647#27777
30K → 20M2926+3#27777#27774
20M → 21M3318+15#27774#27759
21M → 35K1516-1#27759#27760
35K → 23M1932-13#27760#27773
23M → 24M2018+2#27773#27771
24M → 40K1516-1#27771#27772
40K → 25.2M660#27772#27772
25.2M → FINISH1247-35#27772#27807
TOTALS3301210-1820
📊

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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Activity Data

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