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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Carolyn Smith

Bib: 13629 •F •Age: N/A

CO

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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

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
24:46
3.11 mi
Rank: #16755
Start → 5K
24:46 | 7:59/mi
10K
50:24
6.21 mi
Rank: #17849 (-1094)
5K → 10K
25:38 | 8:16/mi
15K
1:15:57
9.32 mi
Rank: #18066 (-217)
10K → 15K
25:33 | 8:14/mi
20K
1:41:36
12.43 mi
Rank: #18025 (+41)
15K → 20K
25:39 | 8:16/mi
HALF
1:47:03
13.11 mi
Rank: #17960 (+65)
20K → HALF
5:27 | 8:00/mi
25K
2:06:57
15.53 mi
Rank: #17765 (+195)
HALF → 25K
19:54 | 8:13/mi
30K
2:33:44
18.64 mi
Rank: #17687 (+78)
25K → 30K
26:47 | 8:38/mi
20M
2:46:39
20.00 mi
Rank: #17982 (-295)
30K → 20M
12:55 | 9:31/mi
21M
2:57:13
21.00 mi
Rank: #18302 (-320)
20M → 21M
10:34 | 10:34/mi
35K
3:04:38
21.75 mi
Rank: #18556 (-254)
21M → 35K
7:25 | 9:55/mi
23M
3:21:49
23.00 mi
Rank: #20020 (-1464)
35K → 23M
17:11 | 13:44/mi
24M
3:32:31
24.00 mi
Rank: #20335 (-315)
23M → 24M
10:42 | 10:42/mi
40K
3:43:18
24.85 mi
Rank: #20841 (-506)
24M → 40K
10:47 | 12:37/mi
25.2M
3:47:12
25.20 mi
Rank: #20914 (-73)
40K → 25.2M
3:54 | 11:19/mi
FINISH
3:57:11
26.22 mi
Rank: #21053 (-139)
25.2M → FINISH
9:59 | 9:48/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:03
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time2:10:08
Pace9:56 /mi
📊Positive Split: 21.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5624:467:5924:46
7:59
-
10K
6.21 mi11:21:3450:248:0725:38
8:16
+0:17
15K
9.32 mi11:47:071:15:578:0925:33
8:14
-0:02
20K
12.43 mi12:12:461:41:368:1125:39
8:16
+0:02
HALF
13.11 mi12:18:131:47:038:105:27
8:00
-0:16
25K
15.53 mi12:38:072:06:578:1119:54
8:13
+0:13
30K
18.64 mi13:04:542:33:448:1526:47
8:38
+0:25
20M
20.00 mi13:17:492:46:398:2012:55
9:31
+0:53
21M
21.00 mi13:28:232:57:138:2710:34
10:34
+1:03
35K
21.75 mi13:35:483:04:388:307:25
9:55
-0:39
23M
23.00 mi13:52:593:21:498:4717:11
13:44
+3:49
24M
24.00 mi14:03:413:32:318:5210:42
10:42
-3:02
40K
24.85 mi14:14:283:43:189:0010:47
12:37
+1:55
25.2M
25.20 mi14:18:223:47:129:013:54
11:19
-1:18
FINISH
26.22 mi14:28:213:57:119:049:59
9:48
-1:31

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

7:59 /mi

Average Pace

9:03 /mi

Slowest Pace

13:44 /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

2:33:44

65% of race

Time at Steady Pace

30:19

13% of race

Time at Slower Pace

53:08

22% of race

Average Pace: 9:03 /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 mi10:55:5624:467:5924:46
7:59
#16755
10K
6.21 mi11:21:3450:248:0725:38
8:16
#17849
15K
9.32 mi11:47:071:15:578:0925:33
8:14
#18066
20K
12.43 mi12:12:461:41:368:1125:39
8:16
#18025
HALF
13.11 mi12:18:131:47:038:105:27
8:00
#17960
25K
15.53 mi12:38:072:06:578:1119:54
8:13
#17765
30K
18.64 mi13:04:542:33:448:1526:47
8:38
#17687
20M
20.00 mi13:17:492:46:398:2012:55
9:31
#17982
21M
21.00 mi13:28:232:57:138:2710:34
10:34
#18302
35K
21.75 mi13:35:483:04:388:307:25
9:55
#18556
23M
23.00 mi13:52:593:21:498:4717:11
13:44
#20020
24M
24.00 mi14:03:413:32:318:5210:42
10:42
#20335
40K
24.85 mi14:14:283:43:189:0010:47
12:37
#20841
25.2M
25.20 mi14:18:223:47:129:013:54
11:19
#20914
FINISH
26.22 mi14:28:213:57:119:049:59
9:48
#21053
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 mi167555780578018521(Top 64%)6776(Top 54%)6776(Top 550%)
10K6.21 mi3.10 mi17849-10946407-6276407-62718885(Top 65%)6967(Top 55%)6967(Top 565%)
15K9.32 mi3.11 mi18066-2176529-1226529-12218521(Top 64%)6776(Top 54%)6776(Top 550%)
20K12.43 mi3.11 mi18025+416502+276502+2717852(Top 62%)6431(Top 51%)6431(Top 522%)
HALF13.11 mi0.68 mi17960+656467+356467+3517172(Top 59%)6031(Top 48%)6031(Top 489%)
25K15.53 mi2.42 mi17765+1956367+1006367+10016857(Top 58%)5909(Top 47%)5909(Top 479%)
30K18.64 mi3.11 mi17687+786354+136354+1317600(Top 61%)6453(Top 51%)6453(Top 523%)
20M20.00 mi1.36 mi17982-2956549-1956549-19521099(Top 73%)8393(Top 67%)8393(Top 681%)
21M21.00 mi1.00 mi18302-3206752-2036752-20322127(Top 76%)8952(Top 71%)8952(Top 726%)
35K21.75 mi0.75 mi18556-2546894-1426894-14222925(Top 79%)9409(Top 75%)9409(Top 763%)
23M23.00 mi1.25 mi20020-14647722-8287722-82827958(Top 96%)12053(Top 96%)12053(Top 978%)
24M24.00 mi1.00 mi20335-3157892-1707892-17024507(Top 84%)10343(Top 82%)10343(Top 839%)
40K24.85 mi0.85 mi20841-5068156-2648156-26426645(Top 92%)11472(Top 91%)11472(Top 930%)
25.2M25.20 mi0.35 mi20914-738198-428198-4223119(Top 80%)9666(Top 77%)9666(Top 784%)
FINISH26.22 mi1.02 mi21053-1398281-838281-8323288(Top 80%)9753(Top 78%)9753(Top 791%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18521

Females

6776

F50-54

6776

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18885

Females

6967

F50-54

6967

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18521

Females

6776

F50-54

6776

15K→20K

9.3 - 12.4 mi

Top 62%
×5
+106ft-86ft

Overall

17852

Females

6431

F50-54

6431

20K→HALF

12.4 - 13.1 mi

Top 59%
×2
+19ft-37ft

Overall

17172

Females

6031

F50-54

6031

HALF→25K

13.1 - 15.5 mi

Top 58%
×4
+66ft-88ft

Overall

16857

Females

5909

F50-54

5909

25K→30K

15.5 - 18.6 mi

Top 61%
×9
+181ft-148ft

Overall

17600

Females

6453

F50-54

6453

30K→20M

18.6 - 20.0 mi

Top 73%
×5
+64ft-50ft

Overall

21099

Females

8393

F50-54

8393

20M→21M

20.0 - 21.0 mi

Top 76%
×8
+106ft-24ft

Overall

22127

Females

8952

F50-54

8952

21M→35K

21.0 - 21.8 mi

Top 79%
×7
+17ft-86ft

Overall

22925

Females

9409

F50-54

9409

35K→23M

21.8 - 23.0 mi

Top 96%
×5
+23ft-63ft

Overall

27958

Females

12053

F50-54

12053

23M→24M

23.0 - 24.0 mi

Top 84%
×6
+12ft-82ft

Overall

24507

Females

10343

F50-54

10343

24M→40K

24.0 - 24.9 mi

Top 92%
×1
+6ft-20ft

Overall

26645

Females

11472

F50-54

11472

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1
+13ft-16ft

Overall

23119

Females

9666

F50-54

9666

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
×2
+22ft-21ft

Overall

23288

Females

9753

F50-54

9753

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
967*
Passed By
2177
Net Change
-4298
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16755
5K → 10K29200-1094#16755#17849
10K → 15K107200-217#17849#18066
15K → 20K179138+41#18066#18025
20K → HALF7712+65#18025#17960
HALF → 25K227*32+195#17960#17765
25K → 30K234*156+78#17765#17687
30K → 20M34200-295#17687#17982
20M → 21M21200-320#17982#18302
21M → 35K12200-254#18302#18556
35K → 23M0200-1464#18556#20020
23M → 24M14200-315#20020#20335
24M → 40K6200-506#20335#20841
40K → 25.2M1083-73#20841#20914
25.2M → FINISH17156-139#20914#21053
TOTALS967*2177-4298

* 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

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