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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Gisele Chu

Bib: 20717 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 42%
Masters (Masters Women)
#0 / 6862
Top 27%
Age Group (F40-44)
#0 / 1737
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
25:26
3.11 mi
Rank: #18144
Start → 5K
25:26 | 8:12/mi
10K
50:45
6.21 mi
Rank: #18213 (-69)
5K → 10K
25:19 | 8:09/mi
15K
1:15:48
9.32 mi
Rank: #17962 (+251)
10K → 15K
25:03 | 8:04/mi
20K
1:40:42
12.43 mi
Rank: #17534 (+428)
15K → 20K
24:54 | 8:01/mi
HALF
1:46:03
13.11 mi
Rank: #17468 (+66)
20K → HALF
5:21 | 7:51/mi
25K
2:05:41
15.53 mi
Rank: #17198 (+270)
HALF → 25K
19:38 | 8:06/mi
30K
2:31:45
18.64 mi
Rank: #16975 (+223)
25K → 30K
26:04 | 8:24/mi
20M
2:42:53
20.00 mi
Rank: #16777 (+198)
30K → 20M
11:08 | 8:12/mi
21M
2:51:15
21.00 mi
Rank: #16495 (+282)
20M → 21M
8:22 | 8:22/mi
35K
2:57:04
21.75 mi
Rank: #16324 (+171)
21M → 35K
5:49 | 7:47/mi
23M
3:07:22
23.00 mi
Rank: #16171 (+153)
35K → 23M
10:18 | 8:14/mi
24M
3:15:21
24.00 mi
Rank: #16051 (+120)
23M → 24M
7:59 | 7:59/mi
40K
3:22:06
24.85 mi
Rank: #15889 (+162)
24M → 40K
6:45 | 7:54/mi
25.2M
3:24:53
25.20 mi
Rank: #15775 (+114)
40K → 25.2M
2:47 | 8:05/mi
FINISH
3:32:06
26.22 mi
Rank: #15528 (+247)
25.2M → FINISH
7:13 | 7:05/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:46:03
Pace8:06 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:46:03
Pace8:06 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:4425:268:1225:26
8:12
-
10K
6.21 mi11:37:0350:458:1125:19
8:09
-0:03
15K
9.32 mi12:02:061:15:488:0825:03
8:04
-0:05
20K
12.43 mi12:27:001:40:428:0724:54
8:01
-0:03
HALF
13.11 mi12:32:211:46:038:065:21
7:51
-0:10
25K
15.53 mi12:51:592:05:418:0619:38
8:06
+0:15
30K
18.64 mi13:18:032:31:458:0926:04
8:24
+0:18
20M
20.00 mi13:29:112:42:538:0911:08
8:12
-0:12
21M
21.00 mi13:37:332:51:158:108:22
8:22
+0:10
35K
21.75 mi13:43:222:57:048:095:49
7:47
-0:35
23M
23.00 mi13:53:403:07:228:0910:18
8:14
+0:27
24M
24.00 mi14:01:393:15:218:097:59
7:59
-0:15
40K
24.85 mi14:08:243:22:068:086:45
7:54
-0:05
25.2M
25.20 mi14:11:113:24:538:082:47
8:05
+0:11
FINISH
26.22 mi14:18:243:32:068:067:13
7:05
-1:00

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

7:05 /mi

Average Pace

8:06 /mi

Slowest Pace

8:24 /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

13:02

6% of race

Time at Steady Pace

2:44:38

78% of race

Time at Slower Pace

34:26

16% of race

Average Pace: 8:05 /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 mi11:11:4425:268:1225:26
8:12
#18144
10K
6.21 mi11:37:0350:458:1125:19
8:09
#18213
15K
9.32 mi12:02:061:15:488:0825:03
8:04
#17962
20K
12.43 mi12:27:001:40:428:0724:54
8:01
#17534
HALF
13.11 mi12:32:211:46:038:065:21
7:51
#17468
25K
15.53 mi12:51:592:05:418:0619:38
8:06
#17198
30K
18.64 mi13:18:032:31:458:0926:04
8:24
#16975
20M
20.00 mi13:29:112:42:538:0911:08
8:12
#16777
21M
21.00 mi13:37:332:51:158:108:22
8:22
#16495
35K
21.75 mi13:43:222:57:048:095:49
7:47
#16324
23M
23.00 mi13:53:403:07:228:0910:18
8:14
#16171
24M
24.00 mi14:01:393:15:218:097:59
7:59
#16051
40K
24.85 mi14:08:243:22:068:086:45
7:54
#15889
25.2M
25.20 mi14:11:113:24:538:082:47
8:05
#15775
FINISH
26.22 mi14:18:243:32:068:067:13
7:05
#15528
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi181446584658417455(Top 60%)6165(Top 49%)6165(Top 355%)
10K6.21 mi3.10 mi18213-696611-276611-2718275(Top 63%)6619(Top 53%)6619(Top 381%)
15K9.32 mi3.11 mi17962+2516469+1426469+14217455(Top 60%)6165(Top 49%)6165(Top 355%)
20K12.43 mi3.11 mi17534+4286235+2346235+23416226(Top 56%)5508(Top 44%)5508(Top 317%)
HALF13.11 mi0.68 mi17468+666194+416194+4116014(Top 55%)5349(Top 43%)5349(Top 308%)
25K15.53 mi2.42 mi17198+2706043+1516043+15116095(Top 55%)5480(Top 44%)5480(Top 315%)
30K18.64 mi3.11 mi16975+2235945+985945+9816210(Top 56%)5640(Top 45%)5640(Top 325%)
20M20.00 mi1.36 mi16777+1985854+915854+9114272(Top 49%)4642(Top 37%)4642(Top 267%)
21M21.00 mi1.00 mi16495+2825713+1415713+14112323(Top 42%)3705(Top 29%)3705(Top 213%)
35K21.75 mi0.75 mi16324+1715642+715642+7112936(Top 45%)4058(Top 32%)4058(Top 234%)
23M23.00 mi1.25 mi16171+1535579+635579+6314026(Top 48%)4722(Top 38%)4722(Top 272%)
24M24.00 mi1.00 mi16051+1205533+465533+4613694(Top 47%)4624(Top 37%)4624(Top 266%)
40K24.85 mi0.85 mi15889+1625461+725461+7211811(Top 41%)3692(Top 29%)3692(Top 213%)
25.2M25.20 mi0.35 mi15775+1145390+715390+718939(Top 31%)2363(Top 19%)2363(Top 136%)
FINISH26.22 mi1.02 mi15528+2475272+1185272+1188264(Top 28%)2053(Top 16%)2053(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17455

Females

6165

F40-44

6165

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18275

Females

6619

F40-44

6619

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17455

Females

6165

F40-44

6165

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16226

Females

5508

F40-44

5508

20K→HALF

12.4 - 13.1 mi

Top 55%
×2
+19ft-37ft

Overall

16014

Females

5349

F40-44

5349

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

16095

Females

5480

F40-44

5480

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16210

Females

5640

F40-44

5640

30K→20M

18.6 - 20.0 mi

Top 49%
×5
+64ft-50ft

Overall

14272

Females

4642

F40-44

4642

20M→21M

20.0 - 21.0 mi

Top 42%
×8
+106ft-24ft

Overall

12323

Females

3705

F40-44

3705

21M→35K

21.0 - 21.8 mi

Top 45%
×7
+17ft-86ft

Overall

12936

Females

4058

F40-44

4058

35K→23M

21.8 - 23.0 mi

Top 48%
×5
+23ft-63ft

Overall

14026

Females

4722

F40-44

4722

23M→24M

23.0 - 24.0 mi

Top 47%
×6
+12ft-82ft

Overall

13694

Females

4624

F40-44

4624

24M→40K

24.0 - 24.9 mi

Top 41%
×1
+6ft-20ft

Overall

11811

Females

3692

F40-44

3692

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1
+13ft-16ft

Overall

8939

Females

2363

F40-44

2363

25.2M→FINISH

25.2 - 26.2 mi

Top 28%
×2
+22ft-21ft

Overall

8264

Females

2053

F40-44

2053

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3156*
Passed By
471
Net Change
+2616
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18144
5K → 10K200200-69#18144#18213
10K → 15K333*82+251#18213#17962
15K → 20K448*20+428#17962#17534
20K → HALF7610+66#17534#17468
HALF → 25K295*25+270#17468#17198
25K → 30K298*75+223#17198#16975
30K → 20M207*9+198#16975#16777
20M → 21M283*1+282#16777#16495
21M → 35K1798+171#16495#16324
35K → 23M17320+153#16324#16171
23M → 24M13818+120#16171#16051
24M → 40K1631+162#16051#15889
40K → 25.2M1140+114#15889#15775
25.2M → FINISH249*2+247#15775#15528
TOTALS3156*471+2616

* 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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Activity Data

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