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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Michelle Silm

Bib: 29227 •F •Age: N/A

GA

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 (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
34:57
3.11 mi
Rank: #28297
Start → 5K
34:57 | 11:15/mi
10K
1:12:07
6.21 mi
Rank: #28470 (-173)
5K → 10K
37:10 | 11:58/mi
15K
1:48:42
9.32 mi
Rank: #28379 (+91)
10K → 15K
36:35 | 11:47/mi
20K
2:25:41
12.43 mi
Rank: #28294 (+85)
15K → 20K
36:59 | 11:55/mi
HALF
2:33:31
13.11 mi
Rank: #28276 (+18)
20K → HALF
7:50 | 11:30/mi
25K
3:03:55
15.53 mi
Rank: #28212 (+64)
HALF → 25K
30:24 | 12:33/mi
30K
3:45:01
18.64 mi
Rank: #28166 (+46)
25K → 30K
41:06 | 13:14/mi
20M
4:02:57
20.00 mi
Rank: #28135 (+31)
30K → 20M
17:56 | 13:13/mi
21M
4:16:39
21.00 mi
Rank: #28077 (+58)
20M → 21M
13:42 | 13:42/mi
35K
4:27:11
21.75 mi
Rank: #28101 (-24)
21M → 35K
10:32 | 14:05/mi
23M
4:43:26
23.00 mi
Rank: #28080 (+21)
35K → 23M
16:15 | 13:00/mi
24M
4:55:57
24.00 mi
Rank: #28062 (+18)
23M → 24M
12:31 | 12:31/mi
40K
5:06:52
24.85 mi
Rank: #28037 (+25)
24M → 40K
10:55 | 12:47/mi
25.2M
5:11:18
25.20 mi
Rank: #28007 (+30)
40K → 25.2M
4:26 | 12:52/mi
FINISH
5:22:30
26.22 mi
Rank: #27951 (+56)
25.2M → FINISH
11:12 | 11:00/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
Time2:33:31
Pace11:43 /mi
2nd Half
Distance13.11 mi
Time2:48:59
Pace12:54 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:2934:5711:1534:57
11:15
-
10K
6.21 mi12:37:391:12:0711:3737:10
11:58
+0:43
15K
9.32 mi13:14:141:48:4211:4036:35
11:47
-0:11
20K
12.43 mi13:51:132:25:4111:4436:59
11:55
+0:08
HALF
13.11 mi13:59:032:33:3111:437:50
11:30
-0:25
25K
15.53 mi14:29:273:03:5511:5130:24
12:33
+1:03
30K
18.64 mi15:10:333:45:0112:0541:06
13:14
+0:41
20M
20.00 mi15:28:294:02:5712:0917:56
13:13
-0:01
21M
21.00 mi15:42:114:16:3912:1413:42
13:42
+0:29
35K
21.75 mi15:52:434:27:1112:1810:32
14:05
+0:23
23M
23.00 mi16:08:584:43:2612:2016:15
13:00
-1:05
24M
24.00 mi16:21:294:55:5712:2012:31
12:31
-0:29
40K
24.85 mi16:32:245:06:5212:2110:55
12:47
+0:16
25.2M
25.20 mi16:36:505:11:1812:224:26
12:52
+0:05
FINISH
26.22 mi16:48:025:22:3012:1911:12
11:00
-1:52

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

11:00 /mi

Average Pace

12:19 /mi

Slowest Pace

14:05 /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

2:44:43

51% of race

Time at Steady Pace

58:16

18% of race

Time at Slower Pace

1:39:31

31% of race

Average Pace: 12:18 /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 mi12:00:2934:5711:1534:57
11:15
#28297
10K
6.21 mi12:37:391:12:0711:3737:10
11:58
#28470
15K
9.32 mi13:14:141:48:4211:4036:35
11:47
#28379
20K
12.43 mi13:51:132:25:4111:4436:59
11:55
#28294
HALF
13.11 mi13:59:032:33:3111:437:50
11:30
#28276
25K
15.53 mi14:29:273:03:5511:5130:24
12:33
#28212
30K
18.64 mi15:10:333:45:0112:0541:06
13:14
#28166
20M
20.00 mi15:28:294:02:5712:0917:56
13:13
#28135
21M
21.00 mi15:42:114:16:3912:1413:42
13:42
#28077
35K
21.75 mi15:52:434:27:1112:1810:32
14:05
#28101
23M
23.00 mi16:08:584:43:2612:2016:15
13:00
#28080
24M
24.00 mi16:21:294:55:5712:2012:31
12:31
#28062
40K
24.85 mi16:32:245:06:5212:2110:55
12:47
#28037
25.2M
25.20 mi16:36:505:11:1812:224:26
12:52
#28007
FINISH
26.22 mi16:48:025:22:3012:1911:12
11:00
#27951
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 mi28297120801208028205(Top 97%)12046(Top 96%)12046(Top 693%)
10K6.21 mi3.10 mi28470-17312195-11512195-11528561(Top 98%)12262(Top 97%)12262(Top 706%)
15K9.32 mi3.11 mi28379+9112149+4612149+4628205(Top 97%)12046(Top 96%)12046(Top 693%)
20K12.43 mi3.11 mi28294+8512089+6012089+6027936(Top 96%)11879(Top 94%)11879(Top 684%)
HALF13.11 mi0.68 mi28276+1812073+1612073+1627866(Top 96%)11878(Top 94%)11878(Top 684%)
25K15.53 mi2.42 mi28212+6412043+3012043+3027935(Top 96%)11915(Top 95%)11915(Top 686%)
30K18.64 mi3.11 mi28166+4612023+2012023+2027902(Top 96%)11943(Top 95%)11943(Top 688%)
20M20.00 mi1.36 mi28135+3112008+1512008+1527590(Top 95%)11816(Top 94%)11816(Top 680%)
21M21.00 mi1.00 mi28077+5811979+2911979+2927073(Top 93%)11591(Top 92%)11591(Top 667%)
35K21.75 mi0.75 mi28101-2411995-1611995-1628393(Top 98%)12295(Top 98%)12295(Top 708%)
23M23.00 mi1.25 mi28080+2111985+1011985+1027312(Top 94%)11737(Top 93%)11737(Top 676%)
24M24.00 mi1.00 mi28062+1811978+711978+727195(Top 94%)11718(Top 93%)11718(Top 675%)
40K24.85 mi0.85 mi28037+2511963+1511963+1526836(Top 92%)11565(Top 92%)11565(Top 666%)
25.2M25.20 mi0.35 mi28007+3011950+1311950+1325897(Top 89%)11075(Top 88%)11075(Top 638%)
FINISH26.22 mi1.02 mi27951+5611925+2511925+2526122(Top 90%)11213(Top 89%)11213(Top 646%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21
+97ft-345ft

Overall

28205

Females

12046

F40-44

12046

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28561

Females

12262

F40-44

12262

10K→15K

6.2 - 9.3 mi

Top 97%
×3
+67ft-78ft

Overall

28205

Females

12046

F40-44

12046

15K→20K

9.3 - 12.4 mi

Top 96%
×5
+106ft-86ft

Overall

27936

Females

11879

F40-44

11879

20K→HALF

12.4 - 13.1 mi

Top 96%
×2
+19ft-37ft

Overall

27866

Females

11878

F40-44

11878

HALF→25K

13.1 - 15.5 mi

Top 96%
×4
+66ft-88ft

Overall

27935

Females

11915

F40-44

11915

25K→30K

15.5 - 18.6 mi

Top 96%
×9
+181ft-148ft

Overall

27902

Females

11943

F40-44

11943

30K→20M

18.6 - 20.0 mi

Top 95%
×5
+64ft-50ft

Overall

27590

Females

11816

F40-44

11816

20M→21M

20.0 - 21.0 mi

Top 93%
×8
+106ft-24ft

Overall

27073

Females

11591

F40-44

11591

21M→35K

21.0 - 21.8 mi

Top 98%
×7
+17ft-86ft

Overall

28393

Females

12295

F40-44

12295

35K→23M

21.8 - 23.0 mi

Top 94%
×5
+23ft-63ft

Overall

27312

Females

11737

F40-44

11737

23M→24M

23.0 - 24.0 mi

Top 94%
×6
+12ft-82ft

Overall

27195

Females

11718

F40-44

11718

24M→40K

24.0 - 24.9 mi

Top 92%
×1
+6ft-20ft

Overall

26836

Females

11565

F40-44

11565

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1
+13ft-16ft

Overall

25897

Females

11075

F40-44

11075

25.2M→FINISH

25.2 - 26.2 mi

Top 90%
×2
+22ft-21ft

Overall

26122

Females

11213

F40-44

11213

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
719
Passed By
369
Net Change
+346
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28297
5K → 10K31200-173#28297#28470
10K → 15K11726+91#28470#28379
15K → 20K10419+85#28379#28294
20K → HALF213+18#28294#28276
HALF → 25K8117+64#28276#28212
25K → 30K7731+46#28212#28166
30K → 20M4413+31#28166#28135
20M → 21M646+58#28135#28077
21M → 35K933-24#28077#28101
35K → 23M298+21#28101#28080
23M → 24M268+18#28080#28062
24M → 40K305+25#28062#28037
40K → 25.2M300+30#28037#28007
25.2M → FINISH560+56#28007#27951
TOTALS719369+346
📊

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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