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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Courtenay Landsiedel

Bib: 10484 •F •Age: N/A

BC

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 30%
Gender (Female)
#0 / 12578
Top 13%
Age Group (F18-39)
#0 / 5716
Top 25%
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
21:30
3.11 mi
Rank: #7917
Start → 5K
21:30 | 6:56/mi
10K
42:59
6.21 mi
Rank: #7969 (-52)
5K → 10K
21:29 | 6:55/mi
15K
1:04:30
9.32 mi
Rank: #7979 (-10)
10K → 15K
21:31 | 6:56/mi
20K
1:26:23
12.43 mi
Rank: #8031 (-52)
15K → 20K
21:53 | 7:03/mi
HALF
1:31:12
13.11 mi
Rank: #8080 (-49)
20K → HALF
4:49 | 7:04/mi
25K
1:48:24
15.53 mi
Rank: #8014 (+66)
HALF → 25K
17:12 | 7:06/mi
30K
2:11:23
18.64 mi
Rank: #8068 (-54)
25K → 30K
22:59 | 7:24/mi
20M
2:21:41
20.00 mi
Rank: #8105 (-37)
30K → 20M
10:18 | 7:35/mi
21M
2:29:32
21.00 mi
Rank: #8113 (-8)
20M → 21M
7:51 | 7:51/mi
35K
2:35:15
21.75 mi
Rank: #8216 (-103)
21M → 35K
5:43 | 7:39/mi
23M
2:45:10
23.00 mi
Rank: #8362 (-146)
35K → 23M
9:55 | 7:56/mi
24M
2:53:05
24.00 mi
Rank: #8542 (-180)
23M → 24M
7:55 | 7:55/mi
40K
2:59:55
24.85 mi
Rank: #8654 (-112)
24M → 40K
6:50 | 8:00/mi
25.2M
3:02:49
25.20 mi
Rank: #8668 (-14)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:10:34
26.22 mi
Rank: #8754 (-86)
25.2M → FINISH
7:45 | 7:37/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:31:12
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:39:22
Pace7:35 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:3121:306:5621:30
6:56
-
10K
6.21 mi11:00:0042:596:5621:29
6:55
-0:01
15K
9.32 mi11:21:311:04:306:5621:31
6:56
+0:01
20K
12.43 mi11:43:241:26:236:5821:53
7:03
+0:07
HALF
13.11 mi11:48:131:31:126:584:49
7:04
+0:01
25K
15.53 mi12:05:251:48:246:5917:12
7:06
+0:02
30K
18.64 mi12:28:242:11:237:0322:59
7:24
+0:18
20M
20.00 mi12:38:422:21:417:0610:18
7:35
+0:11
21M
21.00 mi12:46:332:29:327:087:51
7:51
+0:16
35K
21.75 mi12:52:162:35:157:095:43
7:39
-0:12
23M
23.00 mi13:02:112:45:107:119:55
7:56
+0:17
24M
24.00 mi13:10:062:53:057:137:55
7:55
-0:01
40K
24.85 mi13:16:562:59:557:156:50
8:00
+0:05
25.2M
25.20 mi13:19:503:02:497:162:54
8:25
+0:25
FINISH
26.22 mi13:27:353:10:347:177:45
7:37
-0:48

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

6:55 /mi

Average Pace

7:16 /mi

Slowest Pace

8:25 /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

1:48:24

57% of race

Time at Steady Pace

46:45

25% of race

Time at Slower Pace

35:25

19% of race

Average Pace: 7:16 /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 mi10:38:3121:306:5621:30
6:56
#7917
10K
6.21 mi11:00:0042:596:5621:29
6:55
#7969
15K
9.32 mi11:21:311:04:306:5621:31
6:56
#7979
20K
12.43 mi11:43:241:26:236:5821:53
7:03
#8031
HALF
13.11 mi11:48:131:31:126:584:49
7:04
#8080
25K
15.53 mi12:05:251:48:246:5917:12
7:06
#8014
30K
18.64 mi12:28:242:11:237:0322:59
7:24
#8068
20M
20.00 mi12:38:422:21:417:0610:18
7:35
#8105
21M
21.00 mi12:46:332:29:327:087:51
7:51
#8113
35K
21.75 mi12:52:162:35:157:095:43
7:39
#8216
23M
23.00 mi13:02:112:45:107:119:55
7:56
#8362
24M
24.00 mi13:10:062:53:057:137:55
7:55
#8542
40K
24.85 mi13:16:562:59:557:156:50
8:00
#8654
25.2M
25.20 mi13:19:503:02:497:162:54
8:25
#8668
FINISH
26.22 mi13:27:353:10:347:177:45
7:37
#8754
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 mi7917105410548033(Top 28%)1130(Top 9%)1130(Top 20%)
10K6.21 mi3.10 mi7969-521074-201074-208065(Top 28%)1114(Top 9%)1114(Top 19%)
15K9.32 mi3.11 mi7979-101084-101084-108033(Top 28%)1130(Top 9%)1130(Top 20%)
20K12.43 mi3.11 mi8031-521119-351119-358188(Top 28%)1216(Top 10%)1216(Top 21%)
HALF13.11 mi0.68 mi8080-491129-101129-109235(Top 32%)1616(Top 13%)1616(Top 28%)
25K15.53 mi2.42 mi8014+661115+141115+148100(Top 28%)1271(Top 10%)1271(Top 22%)
30K18.64 mi3.11 mi8068-541181-661181-668845(Top 30%)1743(Top 14%)1743(Top 30%)
20M20.00 mi1.36 mi8105-371226-451226-459722(Top 33%)2247(Top 18%)2247(Top 39%)
21M21.00 mi1.00 mi8113-81241-151241-158885(Top 31%)1977(Top 16%)1977(Top 35%)
35K21.75 mi0.75 mi8216-1031299-581299-5811915(Top 41%)3467(Top 28%)3467(Top 61%)
23M23.00 mi1.25 mi8362-1461394-951394-9511926(Top 41%)3550(Top 28%)3550(Top 62%)
24M24.00 mi1.00 mi8542-1801504-1101504-11013135(Top 45%)4313(Top 34%)4313(Top 75%)
40K24.85 mi0.85 mi8654-1121576-721576-7212443(Top 43%)4012(Top 32%)4012(Top 70%)
25.2M25.20 mi0.35 mi8668-141597-211597-2111038(Top 38%)3329(Top 26%)3329(Top 58%)
FINISH26.22 mi1.02 mi8754-861661-641661-6412270(Top 42%)3999(Top 32%)3999(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21
+97ft-345ft

Overall

8033

Females

1130

F18-39

1130

5K→10K

3.1 - 6.2 mi

Top 28%
×5
+79ft-138ft

Overall

8065

Females

1114

F18-39

1114

10K→15K

6.2 - 9.3 mi

Top 28%
×3
+67ft-78ft

Overall

8033

Females

1130

F18-39

1130

15K→20K

9.3 - 12.4 mi

Top 28%
×5
+106ft-86ft

Overall

8188

Females

1216

F18-39

1216

20K→HALF

12.4 - 13.1 mi

Top 32%
×2
+19ft-37ft

Overall

9235

Females

1616

F18-39

1616

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8100

Females

1271

F18-39

1271

25K→30K

15.5 - 18.6 mi

Top 30%
×9
+181ft-148ft

Overall

8845

Females

1743

F18-39

1743

30K→20M

18.6 - 20.0 mi

Top 33%
×5
+64ft-50ft

Overall

9722

Females

2247

F18-39

2247

20M→21M

20.0 - 21.0 mi

Top 31%
×8
+106ft-24ft

Overall

8885

Females

1977

F18-39

1977

21M→35K

21.0 - 21.8 mi

Top 41%
×7
+17ft-86ft

Overall

11915

Females

3467

F18-39

3467

35K→23M

21.8 - 23.0 mi

Top 41%
×5
+23ft-63ft

Overall

11926

Females

3550

F18-39

3550

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

13135

Females

4313

F18-39

4313

24M→40K

24.0 - 24.9 mi

Top 43%
×1
+6ft-20ft

Overall

12443

Females

4012

F18-39

4012

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1
+13ft-16ft

Overall

11038

Females

3329

F18-39

3329

25.2M→FINISH

25.2 - 26.2 mi

Top 42%
×2
+22ft-21ft

Overall

12270

Females

3999

F18-39

3999

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1059
Passed By
1845
Net Change
-837
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7917
5K → 10K181200-52#7917#7969
10K → 15K125135-10#7969#7979
15K → 20K118170-52#7979#8031
20K → HALF1564-49#8031#8080
HALF → 25K14175+66#8080#8014
25K → 30K137191-54#8014#8068
30K → 20M65102-37#8068#8105
20M → 21M5967-8#8105#8113
21M → 35K28131-103#8113#8216
35K → 23M48194-146#8216#8362
23M → 24M38200-180#8362#8542
24M → 40K42154-112#8542#8654
40K → 25.2M2337-14#8654#8668
25.2M → FINISH39125-86#8668#8754
TOTALS10591845-837
📊

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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