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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Laura Clark

Bib: 21299 •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
25:46
3.11 mi
Rank: #18836
Start → 5K
25:46 | 8:18/mi
10K
51:22
6.21 mi
Rank: #18835 (+1)
5K → 10K
25:36 | 8:15/mi
15K
1:16:54
9.32 mi
Rank: #18714 (+121)
10K → 15K
25:32 | 8:14/mi
20K
1:42:40
12.43 mi
Rank: #18535 (+179)
15K → 20K
25:46 | 8:18/mi
HALF
1:48:21
13.11 mi
Rank: #18565 (-30)
20K → HALF
5:41 | 8:21/mi
25K
2:08:50
15.53 mi
Rank: #18495 (+70)
HALF → 25K
20:29 | 8:27/mi
30K
2:36:55
18.64 mi
Rank: #18719 (-224)
25K → 30K
28:05 | 9:03/mi
20M
2:49:57
20.00 mi
Rank: #18963 (-244)
30K → 20M
13:02 | 9:36/mi
21M
3:00:18
21.00 mi
Rank: #19169 (-206)
20M → 21M
10:21 | 10:21/mi
35K
3:07:29
21.75 mi
Rank: #19315 (-146)
21M → 35K
7:11 | 9:37/mi
23M
3:20:01
23.00 mi
Rank: #19601 (-286)
35K → 23M
12:32 | 10:01/mi
24M
3:29:48
24.00 mi
Rank: #19763 (-162)
23M → 24M
9:47 | 9:47/mi
40K
3:38:29
24.85 mi
Rank: #19925 (-162)
24M → 40K
8:41 | 10:10/mi
25.2M
3:42:10
25.20 mi
Rank: #19966 (-41)
40K → 25.2M
3:41 | 10:41/mi
FINISH
3:51:53
26.22 mi
Rank: #20087 (-121)
25.2M → FINISH
9:43 | 9:33/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
Time1:48:21
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time2:03:32
Pace9:26 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:3425:468:1825:46
8:18
-
10K
6.21 mi11:38:1051:228:1625:36
8:15
-0:03
15K
9.32 mi12:03:421:16:548:1625:32
8:14
-0:01
20K
12.43 mi12:29:281:42:408:1625:46
8:18
+0:04
HALF
13.11 mi12:35:091:48:218:165:41
8:21
+0:03
25K
15.53 mi12:55:382:08:508:1820:29
8:27
+0:06
30K
18.64 mi13:23:432:36:558:2628:05
9:03
+0:36
20M
20.00 mi13:36:452:49:578:3013:02
9:36
+0:33
21M
21.00 mi13:47:063:00:188:3610:21
10:21
+0:45
35K
21.75 mi13:54:173:07:298:387:11
9:37
-0:44
23M
23.00 mi14:06:493:20:018:4212:32
10:01
+0:24
24M
24.00 mi14:16:363:29:488:459:47
9:47
-0:14
40K
24.85 mi14:25:173:38:298:488:41
10:10
+0:23
25.2M
25.20 mi14:28:583:42:108:493:41
10:41
+0:31
FINISH
26.22 mi14:38:413:51:538:529:43
9:33
-1:08

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

8:14 /mi

Average Pace

8:51 /mi

Slowest Pace

10:41 /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

2:36:55

68% of race

Time at Steady Pace

39:43

17% of race

Time at Slower Pace

35:15

15% of race

Average Pace: 8:51 /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 mi11:12:3425:468:1825:46
8:18
#18836
10K
6.21 mi11:38:1051:228:1625:36
8:15
#18835
15K
9.32 mi12:03:421:16:548:1625:32
8:14
#18714
20K
12.43 mi12:29:281:42:408:1625:46
8:18
#18535
HALF
13.11 mi12:35:091:48:218:165:41
8:21
#18565
25K
15.53 mi12:55:382:08:508:1820:29
8:27
#18495
30K
18.64 mi13:23:432:36:558:2628:05
9:03
#18719
20M
20.00 mi13:36:452:49:578:3013:02
9:36
#18963
21M
21.00 mi13:47:063:00:188:3610:21
10:21
#19169
35K
21.75 mi13:54:173:07:298:387:11
9:37
#19315
23M
23.00 mi14:06:493:20:018:4212:32
10:01
#19601
24M
24.00 mi14:16:363:29:488:459:47
9:47
#19763
40K
24.85 mi14:25:173:38:298:488:41
10:10
#19925
25.2M
25.20 mi14:28:583:42:108:493:41
10:41
#19966
FINISH
26.22 mi14:38:413:51:538:529:43
9:33
#20087
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 mi188366999699918470(Top 64%)6747(Top 54%)6747(Top 378%)
10K6.21 mi3.10 mi18835+16979+206979+2018822(Top 65%)6930(Top 55%)6930(Top 388%)
15K9.32 mi3.11 mi18714+1216886+936886+9318470(Top 64%)6747(Top 54%)6747(Top 378%)
20K12.43 mi3.11 mi18535+1796788+986788+9818077(Top 62%)6565(Top 52%)6565(Top 368%)
HALF13.11 mi0.68 mi18565-306810-226810-2219332(Top 67%)7236(Top 58%)7236(Top 405%)
25K15.53 mi2.42 mi18495+706784+266784+2618281(Top 63%)6739(Top 54%)6739(Top 377%)
30K18.64 mi3.11 mi18719-2246949-1656949-16519774(Top 68%)7628(Top 61%)7628(Top 427%)
20M20.00 mi1.36 mi18963-2447099-1507099-15021417(Top 74%)8559(Top 68%)8559(Top 479%)
21M21.00 mi1.00 mi19169-2067228-1297228-12921556(Top 74%)8661(Top 69%)8661(Top 485%)
35K21.75 mi0.75 mi19315-1467320-927320-9222082(Top 76%)8992(Top 71%)8992(Top 503%)
23M23.00 mi1.25 mi19601-2867510-1907510-19022183(Top 76%)9090(Top 72%)9090(Top 509%)
24M24.00 mi1.00 mi19763-1627612-1027612-10222205(Top 77%)9142(Top 73%)9142(Top 512%)
40K24.85 mi0.85 mi19925-1627710-987710-9822355(Top 77%)9276(Top 74%)9276(Top 519%)
25.2M25.20 mi0.35 mi19966-417737-277737-2721613(Top 74%)8873(Top 71%)8873(Top 497%)
FINISH26.22 mi1.02 mi20087-1217815-787815-7822463(Top 77%)9313(Top 74%)9313(Top 521%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18470

Females

6747

F45-49

6747

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18822

Females

6930

F45-49

6930

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18470

Females

6747

F45-49

6747

15K→20K

9.3 - 12.4 mi

Top 62%
×5
+106ft-86ft

Overall

18077

Females

6565

F45-49

6565

20K→HALF

12.4 - 13.1 mi

Top 67%
×2
+19ft-37ft

Overall

19332

Females

7236

F45-49

7236

HALF→25K

13.1 - 15.5 mi

Top 63%
×4
+66ft-88ft

Overall

18281

Females

6739

F45-49

6739

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19774

Females

7628

F45-49

7628

30K→20M

18.6 - 20.0 mi

Top 74%
×5
+64ft-50ft

Overall

21417

Females

8559

F45-49

8559

20M→21M

20.0 - 21.0 mi

Top 74%
×8
+106ft-24ft

Overall

21556

Females

8661

F45-49

8661

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

22082

Females

8992

F45-49

8992

35K→23M

21.8 - 23.0 mi

Top 76%
×5
+23ft-63ft

Overall

22183

Females

9090

F45-49

9090

23M→24M

23.0 - 24.0 mi

Top 77%
×6
+12ft-82ft

Overall

22205

Females

9142

F45-49

9142

24M→40K

24.0 - 24.9 mi

Top 77%
×1
+6ft-20ft

Overall

22355

Females

9276

F45-49

9276

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1
+13ft-16ft

Overall

21613

Females

8873

F45-49

8873

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
×2
+22ft-21ft

Overall

22463

Females

9313

F45-49

9313

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1217*
Passed By
2075
Net Change
-1251
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18836
5K → 10K201*200+1#18836#18835
10K → 15K233*112+121#18835#18714
15K → 20K256*77+179#18714#18535
20K → HALF2050-30#18535#18565
HALF → 25K16393+70#18565#18495
25K → 30K118200-224#18495#18719
30K → 20M34200-244#18719#18963
20M → 21M46200-206#18963#19169
21M → 35K23169-146#19169#19315
35K → 23M35200-286#19315#19601
23M → 24M36198-162#19601#19763
24M → 40K21183-162#19763#19925
40K → 25.2M1354-41#19925#19966
25.2M → FINISH18139-121#19966#20087
TOTALS1217*2075-1251

* 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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