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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Courtney Blackwell

Bib: 18148 •F •Age: N/A

IL

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 41%
Age Group (F18-39)
#0 / 5716
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
23:34
3.11 mi
Rank: #13523
Start → 5K
23:34 | 7:36/mi
10K
47:07
6.21 mi
Rank: #13573 (-50)
5K → 10K
23:33 | 7:35/mi
15K
1:11:14
9.32 mi
Rank: #14023 (-450)
10K → 15K
24:07 | 7:46/mi
20K
1:36:02
12.43 mi
Rank: #14532 (-509)
15K → 20K
24:48 | 7:59/mi
HALF
1:41:17
13.11 mi
Rank: #14554 (-22)
20K → HALF
5:15 | 7:43/mi
25K
2:00:59
15.53 mi
Rank: #14844 (-290)
HALF → 25K
19:42 | 8:08/mi
30K
2:26:45
18.64 mi
Rank: #14956 (-112)
25K → 30K
25:46 | 8:18/mi
20M
2:38:17
20.00 mi
Rank: #15046 (-90)
30K → 20M
11:32 | 8:30/mi
21M
2:47:09
21.00 mi
Rank: #15033 (+13)
20M → 21M
8:52 | 8:52/mi
35K
2:53:07
21.75 mi
Rank: #14986 (+47)
21M → 35K
5:58 | 7:59/mi
23M
3:03:33
23.00 mi
Rank: #14973 (+13)
35K → 23M
10:26 | 8:21/mi
24M
3:11:56
24.00 mi
Rank: #15020 (-47)
23M → 24M
8:23 | 8:23/mi
40K
3:19:20
24.85 mi
Rank: #15083 (-63)
24M → 40K
7:24 | 8:40/mi
25.2M
3:22:36
25.20 mi
Rank: #15117 (-34)
40K → 25.2M
3:16 | 9:29/mi
FINISH
3:31:17
26.22 mi
Rank: #15308 (-191)
25.2M → FINISH
8:41 | 8:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:50:00
Pace8:24 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:4123:347:3623:34
7:36
-
10K
6.21 mi11:29:1447:077:3523:33
7:35
-0:01
15K
9.32 mi11:53:211:11:147:3924:07
7:46
+0:11
20K
12.43 mi12:18:091:36:027:4424:48
7:59
+0:13
HALF
13.11 mi12:23:241:41:177:445:15
7:43
-0:16
25K
15.53 mi12:43:062:00:597:4819:42
8:08
+0:25
30K
18.64 mi13:08:522:26:457:5325:46
8:18
+0:10
20M
20.00 mi13:20:242:38:177:5511:32
8:30
+0:12
21M
21.00 mi13:29:162:47:097:588:52
8:52
+0:22
35K
21.75 mi13:35:142:53:077:585:58
7:59
-0:53
23M
23.00 mi13:45:403:03:337:5910:26
8:21
+0:22
24M
24.00 mi13:54:033:11:568:008:23
8:23
+0:02
40K
24.85 mi14:01:273:19:208:027:24
8:40
+0:17
25.2M
25.20 mi14:04:433:22:368:033:16
9:29
+0:49
FINISH
26.22 mi14:13:243:31:178:048:41
8:32
-0:57

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

7:35 /mi

Average Pace

8:04 /mi

Slowest Pace

9:29 /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

1:47:15

51% of race

Time at Steady Pace

1:24:30

40% of race

Time at Slower Pace

19:32

9% of race

Average Pace: 8:03 /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 mi11:05:4123:347:3623:34
7:36
#13523
10K
6.21 mi11:29:1447:077:3523:33
7:35
#13573
15K
9.32 mi11:53:211:11:147:3924:07
7:46
#14023
20K
12.43 mi12:18:091:36:027:4424:48
7:59
#14532
HALF
13.11 mi12:23:241:41:177:445:15
7:43
#14554
25K
15.53 mi12:43:062:00:597:4819:42
8:08
#14844
30K
18.64 mi13:08:522:26:457:5325:46
8:18
#14956
20M
20.00 mi13:20:242:38:177:5511:32
8:30
#15046
21M
21.00 mi13:29:162:47:097:588:52
8:52
#15033
35K
21.75 mi13:35:142:53:077:585:58
7:59
#14986
23M
23.00 mi13:45:403:03:337:5910:26
8:21
#14973
24M
24.00 mi13:54:033:11:568:008:23
8:23
#15020
40K
24.85 mi14:01:273:19:208:027:24
8:40
#15083
25.2M
25.20 mi14:04:433:22:368:033:16
9:29
#15117
FINISH
26.22 mi14:13:243:31:178:048:41
8:32
#15308
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi135233792379215046(Top 52%)4771(Top 38%)4771(Top 83%)
10K6.21 mi3.10 mi13573-503855-633855-6313706(Top 47%)3948(Top 31%)3948(Top 69%)
15K9.32 mi3.11 mi14023-4504136-2814136-28115046(Top 52%)4771(Top 38%)4771(Top 83%)
20K12.43 mi3.11 mi14532-5094449-3134449-31315993(Top 55%)5375(Top 43%)5375(Top 94%)
HALF13.11 mi0.68 mi14554-224459-104459-1014829(Top 51%)4631(Top 37%)4631(Top 81%)
25K15.53 mi2.42 mi14844-2904656-1974656-19716297(Top 56%)5585(Top 44%)5585(Top 98%)
30K18.64 mi3.11 mi14956-1124767-1114767-11115574(Top 54%)5286(Top 42%)5286(Top 92%)
20M20.00 mi1.36 mi15046-904856-894856-8916150(Top 56%)5721(Top 45%)5721(Top 100%)
21M21.00 mi1.00 mi15033+134878-224878-2215400(Top 53%)5359(Top 43%)5359(Top 94%)
35K21.75 mi0.75 mi14986+474864+144864+1414370(Top 50%)4844(Top 39%)4844(Top 85%)
23M23.00 mi1.25 mi14973+134885-214885-2114716(Top 51%)5122(Top 41%)5122(Top 90%)
24M24.00 mi1.00 mi15020-474934-494934-4916222(Top 56%)6022(Top 48%)6022(Top 105%)
40K24.85 mi0.85 mi15083-634979-454979-4516616(Top 57%)6305(Top 50%)6305(Top 110%)
25.2M25.20 mi0.35 mi15117-345012-335012-3317205(Top 59%)6604(Top 53%)6604(Top 116%)
FINISH26.22 mi1.02 mi15308-1915133-1215133-12118284(Top 63%)7189(Top 57%)7189(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21
+97ft-345ft

Overall

15046

Females

4771

F18-39

4771

5K→10K

3.1 - 6.2 mi

Top 47%
×5
+79ft-138ft

Overall

13706

Females

3948

F18-39

3948

10K→15K

6.2 - 9.3 mi

Top 52%
×3
+67ft-78ft

Overall

15046

Females

4771

F18-39

4771

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

15993

Females

5375

F18-39

5375

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14829

Females

4631

F18-39

4631

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16297

Females

5585

F18-39

5585

25K→30K

15.5 - 18.6 mi

Top 54%
×9
+181ft-148ft

Overall

15574

Females

5286

F18-39

5286

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16150

Females

5721

F18-39

5721

20M→21M

20.0 - 21.0 mi

Top 53%
×8
+106ft-24ft

Overall

15400

Females

5359

F18-39

5359

21M→35K

21.0 - 21.8 mi

Top 50%
×7
+17ft-86ft

Overall

14370

Females

4844

F18-39

4844

35K→23M

21.8 - 23.0 mi

Top 51%
×5
+23ft-63ft

Overall

14716

Females

5122

F18-39

5122

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16222

Females

6022

F18-39

6022

24M→40K

24.0 - 24.9 mi

Top 57%
×1
+6ft-20ft

Overall

16616

Females

6305

F18-39

6305

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1
+13ft-16ft

Overall

17205

Females

6604

F18-39

6604

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
×2
+22ft-21ft

Overall

18284

Females

7189

F18-39

7189

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1109
Passed By
1892
Net Change
-1785
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13523
5K → 10K200200-50#13523#13573
10K → 15K80200-450#13573#14023
15K → 20K60200-509#14023#14532
20K → HALF2446-22#14532#14554
HALF → 25K72200-290#14554#14844
25K → 30K159200-112#14844#14956
30K → 20M71161-90#14956#15046
20M → 21M9986+13#15046#15033
21M → 35K7629+47#15033#14986
35K → 23M10289+13#14986#14973
23M → 24M64111-47#14973#15020
24M → 40K52115-63#15020#15083
40K → 25.2M2155-34#15083#15117
25.2M → FINISH29200-191#15117#15308
TOTALS11091892-1785
📊

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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