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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Deborah Smrcina

Bib: 17452 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 43%
Gender (Female)
#0 / 12578
Top 28%
Masters (Masters Women)
#0 / 6862
Top 12%
Age Group (F45-49)
#0 / 1786
Top 12%
Race Day Weather
51°/41°F
overcast clouds
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  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
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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
25:03
3.11 mi
Rank: #17374
Start → 5K
25:03 | 8:04/mi
10K
49:43
6.21 mi
Rank: #17086 (+288)
5K → 10K
24:40 | 7:57/mi
15K
1:13:54
9.32 mi
Rank: #16515 (+571)
10K → 15K
24:11 | 7:48/mi
20K
1:37:36
12.43 mi
Rank: #15590 (+925)
15K → 20K
23:42 | 7:38/mi
HALF
1:42:40
13.11 mi
Rank: #15429 (+161)
20K → HALF
5:04 | 7:26/mi
25K
2:00:49
15.53 mi
Rank: #14739 (+690)
HALF → 25K
18:09 | 7:30/mi
30K
2:24:35
18.64 mi
Rank: #13979 (+760)
25K → 30K
23:46 | 7:39/mi
20M
2:34:52
20.00 mi
Rank: #13614 (+365)
30K → 20M
10:17 | 7:35/mi
21M
2:43:01
21.00 mi
Rank: #13451 (+163)
20M → 21M
8:09 | 8:09/mi
35K
2:48:32
21.75 mi
Rank: #13290 (+161)
21M → 35K
5:31 | 7:23/mi
23M
2:58:08
23.00 mi
Rank: #13089 (+201)
35K → 23M
9:36 | 7:41/mi
24M
3:05:28
24.00 mi
Rank: #12898 (+191)
23M → 24M
7:20 | 7:20/mi
40K
3:11:48
24.85 mi
Rank: #12684 (+214)
24M → 40K
6:20 | 7:25/mi
25.2M
3:14:33
25.20 mi
Rank: #12607 (+77)
40K → 25.2M
2:45 | 7:59/mi
FINISH
3:21:59
26.22 mi
Rank: #12471 (+136)
25.2M → FINISH
7:26 | 7:18/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:42:40
Pace7:50 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:39:19
Pace7:35 /mi
📊Negative Split: 3.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:5025:038:0425:03
8:04
-
10K
6.21 mi11:31:3049:438:0124:40
7:57
-0:07
15K
9.32 mi11:55:411:13:547:5624:11
7:48
-0:09
20K
12.43 mi12:19:231:37:367:5223:42
7:38
-0:10
HALF
13.11 mi12:24:271:42:407:505:04
7:26
-0:12
25K
15.53 mi12:42:362:00:497:4718:09
7:30
+0:04
30K
18.64 mi13:06:222:24:357:4623:46
7:39
+0:09
20M
20.00 mi13:16:392:34:527:4510:17
7:35
-0:04
21M
21.00 mi13:24:482:43:017:468:09
8:09
+0:34
35K
21.75 mi13:30:192:48:327:455:31
7:23
-0:46
23M
23.00 mi13:39:552:58:087:459:36
7:41
+0:18
24M
24.00 mi13:47:153:05:287:447:20
7:20
-0:21
40K
24.85 mi13:53:353:11:487:446:20
7:25
+0:05
25.2M
25.20 mi13:56:203:14:337:442:45
7:59
+0:34
FINISH
26.22 mi14:03:463:21:597:437:26
7:18
-0:41

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

7:18 /mi

Average Pace

7:43 /mi

Slowest Pace

8:09 /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

2:48:47

84% of race

Time at Steady Pace

33:12

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:42 /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 mi11:06:5025:038:0425:03
8:04
#17374
10K
6.21 mi11:31:3049:438:0124:40
7:57
#17086
15K
9.32 mi11:55:411:13:547:5624:11
7:48
#16515
20K
12.43 mi12:19:231:37:367:5223:42
7:38
#15590
HALF
13.11 mi12:24:271:42:407:505:04
7:26
#15429
25K
15.53 mi12:42:362:00:497:4718:09
7:30
#14739
30K
18.64 mi13:06:222:24:357:4623:46
7:39
#13979
20M
20.00 mi13:16:392:34:527:4510:17
7:35
#13614
21M
21.00 mi13:24:482:43:017:468:09
8:09
#13451
35K
21.75 mi13:30:192:48:327:455:31
7:23
#13290
23M
23.00 mi13:39:552:58:087:459:36
7:41
#13089
24M
24.00 mi13:47:153:05:287:447:20
7:20
#12898
40K
24.85 mi13:53:353:11:487:446:20
7:25
#12684
25.2M
25.20 mi13:56:203:14:337:442:45
7:59
#12607
FINISH
26.22 mi14:03:463:21:597:437:26
7:18
#12471
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 mi173746134613415213(Top 52%)4867(Top 39%)4867(Top 273%)
10K6.21 mi3.10 mi17086+2885979+1555979+15516772(Top 58%)5775(Top 46%)5775(Top 323%)
15K9.32 mi3.11 mi16515+5715636+3435636+34315213(Top 52%)4867(Top 39%)4867(Top 273%)
20K12.43 mi3.11 mi15590+9255113+5235113+52313097(Top 45%)3715(Top 30%)3715(Top 208%)
HALF13.11 mi0.68 mi15429+1615005+1085005+10812515(Top 43%)3325(Top 26%)3325(Top 186%)
25K15.53 mi2.42 mi14739+6904598+4074598+40711315(Top 39%)2806(Top 22%)2806(Top 157%)
30K18.64 mi3.11 mi13979+7604182+4164182+41610864(Top 37%)2700(Top 21%)2700(Top 151%)
20M20.00 mi1.36 mi13614+3654008+1744008+1749657(Top 33%)2237(Top 18%)2237(Top 125%)
21M21.00 mi1.00 mi13451+1633948+603948+6010927(Top 38%)2964(Top 24%)2964(Top 166%)
35K21.75 mi0.75 mi13290+1613873+753873+759969(Top 34%)2492(Top 20%)2492(Top 140%)
23M23.00 mi1.25 mi13089+2013782+913782+9110127(Top 35%)2666(Top 21%)2666(Top 149%)
24M24.00 mi1.00 mi12898+1913691+913691+918896(Top 31%)2133(Top 17%)2133(Top 119%)
40K24.85 mi0.85 mi12684+2143599+923599+928273(Top 29%)1938(Top 15%)1938(Top 109%)
25.2M25.20 mi0.35 mi12607+773569+303569+308325(Top 29%)2056(Top 16%)2056(Top 115%)
FINISH26.22 mi1.02 mi12471+1363524+453524+459891(Top 34%)2794(Top 22%)2794(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21
+97ft-345ft

Overall

15213

Females

4867

F45-49

4867

5K→10K

3.1 - 6.2 mi

Top 58%
×5
+79ft-138ft

Overall

16772

Females

5775

F45-49

5775

10K→15K

6.2 - 9.3 mi

Top 52%
×3
+67ft-78ft

Overall

15213

Females

4867

F45-49

4867

15K→20K

9.3 - 12.4 mi

Top 45%
×5
+106ft-86ft

Overall

13097

Females

3715

F45-49

3715

20K→HALF

12.4 - 13.1 mi

Top 43%
×2
+19ft-37ft

Overall

12515

Females

3325

F45-49

3325

HALF→25K

13.1 - 15.5 mi

Top 39%
×4
+66ft-88ft

Overall

11315

Females

2806

F45-49

2806

25K→30K

15.5 - 18.6 mi

Top 37%
×9
+181ft-148ft

Overall

10864

Females

2700

F45-49

2700

30K→20M

18.6 - 20.0 mi

Top 33%
×5
+64ft-50ft

Overall

9657

Females

2237

F45-49

2237

20M→21M

20.0 - 21.0 mi

Top 38%
×8
+106ft-24ft

Overall

10927

Females

2964

F45-49

2964

21M→35K

21.0 - 21.8 mi

Top 34%
×7
+17ft-86ft

Overall

9969

Females

2492

F45-49

2492

35K→23M

21.8 - 23.0 mi

Top 35%
×5
+23ft-63ft

Overall

10127

Females

2666

F45-49

2666

23M→24M

23.0 - 24.0 mi

Top 31%
×6
+12ft-82ft

Overall

8896

Females

2133

F45-49

2133

24M→40K

24.0 - 24.9 mi

Top 29%
×1
+6ft-20ft

Overall

8273

Females

1938

F45-49

1938

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1
+13ft-16ft

Overall

8325

Females

2056

F45-49

2056

25.2M→FINISH

25.2 - 26.2 mi

Top 34%
×2
+22ft-21ft

Overall

9891

Females

2794

F45-49

2794

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
5169*
Passed By
266
Net Change
+4903
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17374
5K → 10K460*172+288#17374#17086
10K → 15K604*33+571#17086#16515
15K → 20K928*3+925#16515#15590
20K → HALF1621+161#15590#15429
HALF → 25K691*1+690#15429#14739
25K → 30K763*3+760#14739#13979
30K → 20M367*2+365#13979#13614
20M → 21M18724+163#13614#13451
21M → 35K1621+161#13451#13290
35K → 23M212*11+201#13290#13089
23M → 24M1932+191#13089#12898
24M → 40K214*0+214#12898#12684
40K → 25.2M781+77#12684#12607
25.2M → FINISH14812+136#12607#12471
TOTALS5169*266+4903

* 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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