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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Nikki Decker

Bib: 21604 •F •Age: N/A

PA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 43%
Masters (Masters Women)
#0 / 6862
Top 28%
Age Group (F45-49)
#0 / 1786
Top 34%
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
25:13
3.11 mi
Rank: #17710
Start → 5K
25:13 | 8:07/mi
10K
48:57
6.21 mi
Rank: #16124 (+1586)
5K → 10K
23:44 | 7:39/mi
15K
1:13:30
9.32 mi
Rank: #16138 (-14)
10K → 15K
24:33 | 7:55/mi
20K
1:38:34
12.43 mi
Rank: #16274 (-136)
15K → 20K
25:04 | 8:05/mi
HALF
1:43:59
13.11 mi
Rank: #16297 (-23)
20K → HALF
5:25 | 7:57/mi
25K
2:03:30
15.53 mi
Rank: #16195 (+102)
HALF → 25K
19:31 | 8:03/mi
30K
2:29:13
18.64 mi
Rank: #16022 (+173)
25K → 30K
25:43 | 8:17/mi
20M
2:40:33
20.00 mi
Rank: #15958 (+64)
30K → 20M
11:20 | 8:21/mi
21M
2:49:13
21.00 mi
Rank: #15812 (+146)
20M → 21M
8:40 | 8:40/mi
35K
2:55:19
21.75 mi
Rank: #15782 (+30)
21M → 35K
6:06 | 8:10/mi
23M
3:05:53
23.00 mi
Rank: #15725 (+57)
35K → 23M
10:34 | 8:27/mi
24M
3:14:17
24.00 mi
Rank: #15742 (-17)
23M → 24M
8:24 | 8:24/mi
40K
3:21:31
24.85 mi
Rank: #15723 (+19)
24M → 40K
7:14 | 8:28/mi
25.2M
3:24:42
25.20 mi
Rank: #15726 (-3)
40K → 25.2M
3:11 | 9:14/mi
FINISH
3:32:50
26.22 mi
Rank: #15691 (+35)
25.2M → FINISH
8:08 | 7:59/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
Time1:43:59
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:48:51
Pace8:19 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4325:138:0725:13
8:07
-
10K
6.21 mi11:50:2748:577:5323:44
7:39
-0:28
15K
9.32 mi12:15:001:13:307:5424:33
7:55
+0:16
20K
12.43 mi12:40:041:38:347:5625:04
8:05
+0:10
HALF
13.11 mi12:45:291:43:597:565:25
7:57
-0:08
25K
15.53 mi13:05:002:03:307:5819:31
8:03
+0:06
30K
18.64 mi13:30:432:29:138:0125:43
8:17
+0:14
20M
20.00 mi13:42:032:40:338:0211:20
8:21
+0:04
21M
21.00 mi13:50:432:49:138:048:40
8:40
+0:19
35K
21.75 mi13:56:492:55:198:046:06
8:10
-0:30
23M
23.00 mi14:07:233:05:538:0510:34
8:27
+0:17
24M
24.00 mi14:15:473:14:178:068:24
8:24
-0:03
40K
24.85 mi14:23:013:21:318:077:14
8:28
+0:04
25.2M
25.20 mi14:26:123:24:428:083:11
9:14
+0:46
FINISH
26.22 mi14:34:203:32:508:088:08
7:59
-1:15

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

7:39 /mi

Average Pace

8:07 /mi

Slowest Pace

9:14 /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

1:01:50

29% of race

Time at Steady Pace

1:41:37

48% of race

Time at Slower Pace

49:23

23% of race

Average Pace: 8:07 /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 mi11:26:4325:138:0725:13
8:07
#17710
10K
6.21 mi11:50:2748:577:5323:44
7:39
#16124
15K
9.32 mi12:15:001:13:307:5424:33
7:55
#16138
20K
12.43 mi12:40:041:38:347:5625:04
8:05
#16274
HALF
13.11 mi12:45:291:43:597:565:25
7:57
#16297
25K
15.53 mi13:05:002:03:307:5819:31
8:03
#16195
30K
18.64 mi13:30:432:29:138:0125:43
8:17
#16022
20M
20.00 mi13:42:032:40:338:0211:20
8:21
#15958
21M
21.00 mi13:50:432:49:138:048:40
8:40
#15812
35K
21.75 mi13:56:492:55:198:046:06
8:10
#15782
23M
23.00 mi14:07:233:05:538:0510:34
8:27
#15725
24M
24.00 mi14:15:473:14:178:068:24
8:24
#15742
40K
24.85 mi14:23:013:21:318:077:14
8:28
#15723
25.2M
25.20 mi14:26:123:24:428:083:11
9:14
#15726
FINISH
26.22 mi14:34:203:32:508:088:08
7:59
#15691
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 mi177106336633616224(Top 56%)5463(Top 43%)5463(Top 306%)
10K6.21 mi3.10 mi16124+15865418+9185418+91814258(Top 49%)4277(Top 34%)4277(Top 239%)
15K9.32 mi3.11 mi16138-145417+15417+116224(Top 56%)5463(Top 43%)5463(Top 306%)
20K12.43 mi3.11 mi16274-1365519-1025519-10216641(Top 57%)5729(Top 46%)5729(Top 321%)
HALF13.11 mi0.68 mi16297-235533-145533-1416759(Top 58%)5766(Top 46%)5766(Top 323%)
25K15.53 mi2.42 mi16195+1025482+515482+5115779(Top 54%)5294(Top 42%)5294(Top 296%)
30K18.64 mi3.11 mi16022+1735416+665416+6615470(Top 53%)5232(Top 42%)5232(Top 293%)
20M20.00 mi1.36 mi15958+645397+195397+1915223(Top 52%)5197(Top 41%)5197(Top 291%)
21M21.00 mi1.00 mi15812+1465329+685329+6814217(Top 49%)4704(Top 37%)4704(Top 263%)
35K21.75 mi0.75 mi15782+305321+85321+815527(Top 54%)5485(Top 44%)5485(Top 307%)
23M23.00 mi1.25 mi15725+575317+45317+415364(Top 53%)5464(Top 43%)5464(Top 306%)
24M24.00 mi1.00 mi15742-175345-285345-2816331(Top 56%)6081(Top 48%)6081(Top 340%)
40K24.85 mi0.85 mi15723+195353-85353-815445(Top 53%)5659(Top 45%)5659(Top 317%)
25.2M25.20 mi0.35 mi15726-35363-105363-1015998(Top 55%)5952(Top 47%)5952(Top 333%)
FINISH26.22 mi1.02 mi15691+355369-65369-615075(Top 52%)5475(Top 44%)5475(Top 307%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21
+97ft-345ft

Overall

16224

Females

5463

F45-49

5463

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14258

Females

4277

F45-49

4277

10K→15K

6.2 - 9.3 mi

Top 56%
×3
+67ft-78ft

Overall

16224

Females

5463

F45-49

5463

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16641

Females

5729

F45-49

5729

20K→HALF

12.4 - 13.1 mi

Top 58%
×2
+19ft-37ft

Overall

16759

Females

5766

F45-49

5766

HALF→25K

13.1 - 15.5 mi

Top 54%
×4
+66ft-88ft

Overall

15779

Females

5294

F45-49

5294

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15470

Females

5232

F45-49

5232

30K→20M

18.6 - 20.0 mi

Top 52%
×5
+64ft-50ft

Overall

15223

Females

5197

F45-49

5197

20M→21M

20.0 - 21.0 mi

Top 49%
×8
+106ft-24ft

Overall

14217

Females

4704

F45-49

4704

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15527

Females

5485

F45-49

5485

35K→23M

21.8 - 23.0 mi

Top 53%
×5
+23ft-63ft

Overall

15364

Females

5464

F45-49

5464

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16331

Females

6081

F45-49

6081

24M→40K

24.0 - 24.9 mi

Top 53%
×1
+6ft-20ft

Overall

15445

Females

5659

F45-49

5659

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1
+13ft-16ft

Overall

15998

Females

5952

F45-49

5952

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
×2
+22ft-21ft

Overall

15075

Females

5475

F45-49

5475

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3152*
Passed By
1050
Net Change
+2019
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17710
5K → 10K1600*14+1586#17710#16124
10K → 15K197200-14#16124#16138
15K → 20K136200-136#16138#16274
20K → HALF2649-23#16274#16297
HALF → 25K19189+102#16297#16195
25K → 30K264*91+173#16195#16022
30K → 20M12157+64#16022#15958
20M → 21M18438+146#15958#15812
21M → 35K7141+30#15812#15782
35K → 23M11962+57#15782#15725
23M → 24M6885-17#15725#15742
24M → 40K7556+19#15742#15723
40K → 25.2M2730-3#15723#15726
25.2M → FINISH7338+35#15726#15691
TOTALS3152*1050+2019

* 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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