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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Renée Nieuwboer

Bib: 18399 •F •Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds
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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
23:54
3.11 mi
Rank: #14503
Start → 5K
23:54 | 7:42/mi
10K
47:44
6.21 mi
Rank: #14466 (+37)
5K → 10K
23:50 | 7:41/mi
15K
1:12:18
9.32 mi
Rank: #15058 (-592)
10K → 15K
24:34 | 7:55/mi
20K
1:37:30
12.43 mi
Rank: #15525 (-467)
15K → 20K
25:12 | 8:07/mi
HALF
1:43:01
13.11 mi
Rank: #15649 (-124)
20K → HALF
5:31 | 8:06/mi
25K
2:03:17
15.53 mi
Rank: #16074 (-425)
HALF → 25K
20:16 | 8:22/mi
30K
2:30:31
18.64 mi
Rank: #16543 (-469)
25K → 30K
27:14 | 8:46/mi
20M
2:42:22
20.00 mi
Rank: #16596 (-53)
30K → 20M
11:51 | 8:44/mi
21M
2:52:06
21.00 mi
Rank: #16774 (-178)
20M → 21M
9:44 | 9:44/mi
35K
2:58:08
21.75 mi
Rank: #16675 (+99)
21M → 35K
6:02 | 8:04/mi
23M
3:09:01
23.00 mi
Rank: #16677 (-2)
35K → 23M
10:53 | 8:42/mi
24M
3:17:27
24.00 mi
Rank: #16648 (+29)
23M → 24M
8:26 | 8:26/mi
40K
3:24:41
24.85 mi
Rank: #16591 (+57)
24M → 40K
7:14 | 8:28/mi
25.2M
3:27:54
25.20 mi
Rank: #16576 (+15)
40K → 25.2M
3:13 | 9:20/mi
FINISH
3:36:01
26.22 mi
Rank: #16483 (+93)
25.2M → FINISH
8:07 | 7:58/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:01
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:53:00
Pace8:38 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:5423:547:4223:54
7:42
-
10K
6.21 mi11:29:4447:447:4123:50
7:41
-0:01
15K
9.32 mi11:54:181:12:187:4624:34
7:55
+0:14
20K
12.43 mi12:19:301:37:307:5125:12
8:07
+0:12
HALF
13.11 mi12:25:011:43:017:525:31
8:06
-0:01
25K
15.53 mi12:45:172:03:177:5720:16
8:22
+0:16
30K
18.64 mi13:12:312:30:318:0527:14
8:46
+0:24
20M
20.00 mi13:24:222:42:228:0811:51
8:44
-0:02
21M
21.00 mi13:34:062:52:068:129:44
9:44
+1:00
35K
21.75 mi13:40:082:58:088:126:02
8:04
-1:40
23M
23.00 mi13:51:013:09:018:1410:53
8:42
+0:38
24M
24.00 mi13:59:273:17:278:148:26
8:26
-0:16
40K
24.85 mi14:06:413:24:418:157:14
8:28
+0:02
25.2M
25.20 mi14:09:543:27:548:163:13
9:20
+0:52
FINISH
26.22 mi14:18:013:36:018:158:07
7:58
-1:22

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

7:41 /mi

Average Pace

8:15 /mi

Slowest Pace

9:44 /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

1:26:27

40% of race

Time at Steady Pace

1:06:39

31% of race

Time at Slower Pace

1:02:55

29% of race

Average Pace: 8:14 /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 mi11:05:5423:547:4223:54
7:42
#14503
10K
6.21 mi11:29:4447:447:4123:50
7:41
#14466
15K
9.32 mi11:54:181:12:187:4624:34
7:55
#15058
20K
12.43 mi12:19:301:37:307:5125:12
8:07
#15525
HALF
13.11 mi12:25:011:43:017:525:31
8:06
#15649
25K
15.53 mi12:45:172:03:177:5720:16
8:22
#16074
30K
18.64 mi13:12:312:30:318:0527:14
8:46
#16543
20M
20.00 mi13:24:222:42:228:0811:51
8:44
#16596
21M
21.00 mi13:34:062:52:068:129:44
9:44
#16774
35K
21.75 mi13:40:082:58:088:126:02
8:04
#16675
23M
23.00 mi13:51:013:09:018:1410:53
8:42
#16677
24M
24.00 mi13:59:273:17:278:148:26
8:26
#16648
40K
24.85 mi14:06:413:24:418:157:14
8:28
#16591
25.2M
25.20 mi14:09:543:27:548:163:13
9:20
#16576
FINISH
26.22 mi14:18:013:36:018:158:07
7:58
#16483
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi145034370437016287(Top 56%)5501(Top 44%)5501(Top 96%)
10K6.21 mi3.10 mi14466+374374-44374-414521(Top 50%)4420(Top 35%)4420(Top 77%)
15K9.32 mi3.11 mi15058-5924775-4014775-40116287(Top 56%)5501(Top 44%)5501(Top 96%)
20K12.43 mi3.11 mi15525-4675073-2985073-29816937(Top 58%)5906(Top 47%)5906(Top 103%)
HALF13.11 mi0.68 mi15649-1245148-755148-7517754(Top 61%)6331(Top 50%)6331(Top 111%)
25K15.53 mi2.42 mi16074-4255410-2625410-26217726(Top 61%)6403(Top 51%)6403(Top 112%)
30K18.64 mi3.11 mi16543-4695723-3135723-31318392(Top 63%)6882(Top 55%)6882(Top 120%)
20M20.00 mi1.36 mi16596-535762-395762-3917527(Top 60%)6481(Top 52%)6481(Top 113%)
21M21.00 mi1.00 mi16774-1785874-1125874-11219507(Top 67%)7582(Top 60%)7582(Top 133%)
35K21.75 mi0.75 mi16675+995826+485826+4814972(Top 52%)5177(Top 41%)5177(Top 91%)
23M23.00 mi1.25 mi16677-25854-285854-2816888(Top 58%)6364(Top 51%)6364(Top 111%)
24M24.00 mi1.00 mi16648+295855-15855-116513(Top 57%)6192(Top 49%)6192(Top 108%)
40K24.85 mi0.85 mi16591+575849+65849+615451(Top 53%)5665(Top 45%)5665(Top 99%)
25.2M25.20 mi0.35 mi16576+155852-35852-316534(Top 57%)6252(Top 50%)6252(Top 109%)
FINISH26.22 mi1.02 mi16483+935821+315821+3114978(Top 52%)5430(Top 43%)5430(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21
+97ft-345ft

Overall

16287

Females

5501

F18-39

5501

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14521

Females

4420

F18-39

4420

10K→15K

6.2 - 9.3 mi

Top 56%
×3
+67ft-78ft

Overall

16287

Females

5501

F18-39

5501

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16937

Females

5906

F18-39

5906

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17754

Females

6331

F18-39

6331

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17726

Females

6403

F18-39

6403

25K→30K

15.5 - 18.6 mi

Top 63%
×9
+181ft-148ft

Overall

18392

Females

6882

F18-39

6882

30K→20M

18.6 - 20.0 mi

Top 60%
×5
+64ft-50ft

Overall

17527

Females

6481

F18-39

6481

20M→21M

20.0 - 21.0 mi

Top 67%
×8
+106ft-24ft

Overall

19507

Females

7582

F18-39

7582

21M→35K

21.0 - 21.8 mi

Top 52%
×7
+17ft-86ft

Overall

14972

Females

5177

F18-39

5177

35K→23M

21.8 - 23.0 mi

Top 58%
×5
+23ft-63ft

Overall

16888

Females

6364

F18-39

6364

23M→24M

23.0 - 24.0 mi

Top 57%
×6
+12ft-82ft

Overall

16513

Females

6192

F18-39

6192

24M→40K

24.0 - 24.9 mi

Top 53%
×1
+6ft-20ft

Overall

15451

Females

5665

F18-39

5665

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1
+13ft-16ft

Overall

16534

Females

6252

F18-39

6252

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
×2
+22ft-21ft

Overall

14978

Females

5430

F18-39

5430

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1187*
Passed By
1709
Net Change
-1980
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14503
5K → 10K237*200+37#14503#14466
10K → 15K67200-592#14466#15058
15K → 20K66200-467#15058#15525
20K → HALF15139-124#15525#15649
HALF → 25K57200-425#15649#16074
25K → 30K85200-469#16074#16543
30K → 20M63116-53#16543#16596
20M → 21M52200-178#16596#16774
21M → 35K11011+99#16774#16675
35K → 23M9496-2#16675#16677
23M → 24M8758+29#16677#16648
24M → 40K10043+57#16648#16591
40K → 25.2M4126+15#16591#16576
25.2M → FINISH11320+93#16576#16483
TOTALS1187*1709-1980

* 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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