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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Nicole Maclennan

Bib: 21402 •F •Age: N/A

MA

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
Top 38%
Age Group (F50-54)
#0 / 1233
Top 33%
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
24:42
3.11 mi
Rank: #16573
Start → 5K
24:42 | 7:58/mi
10K
49:33
6.21 mi
Rank: #16886 (-313)
5K → 10K
24:51 | 8:00/mi
15K
1:14:13
9.32 mi
Rank: #16779 (+107)
10K → 15K
24:40 | 7:57/mi
20K
1:39:17
12.43 mi
Rank: #16720 (+59)
15K → 20K
25:04 | 8:05/mi
HALF
1:44:40
13.11 mi
Rank: #16698 (+22)
20K → HALF
5:23 | 7:54/mi
25K
2:06:00
15.53 mi
Rank: #17342 (-644)
HALF → 25K
21:20 | 8:48/mi
30K
2:32:57
18.64 mi
Rank: #17414 (-72)
25K → 30K
26:57 | 8:41/mi
20M
2:44:39
20.00 mi
Rank: #17370 (+44)
30K → 20M
11:42 | 8:37/mi
21M
2:54:30
21.00 mi
Rank: #17517 (-147)
20M → 21M
9:51 | 9:51/mi
35K
3:00:33
21.75 mi
Rank: #17417 (+100)
21M → 35K
6:03 | 8:06/mi
23M
3:11:28
23.00 mi
Rank: #17365 (+52)
35K → 23M
10:55 | 8:44/mi
24M
3:19:45
24.00 mi
Rank: #17267 (+98)
23M → 24M
8:17 | 8:17/mi
40K
3:27:18
24.85 mi
Rank: #17252 (+15)
24M → 40K
7:33 | 8:50/mi
25.2M
3:30:51
25.20 mi
Rank: #17320 (-68)
40K → 25.2M
3:33 | 10:18/mi
FINISH
3:39:25
26.22 mi
Rank: #17334 (-14)
25.2M → FINISH
8:34 | 8:25/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
Time1:44:40
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:54:45
Pace8:46 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:5024:427:5824:42
7:58
-
10K
6.21 mi11:50:4149:337:5924:51
8:00
+0:02
15K
9.32 mi12:15:211:14:137:5824:40
7:57
-0:03
20K
12.43 mi12:40:251:39:178:0025:04
8:05
+0:08
HALF
13.11 mi12:45:481:44:408:005:23
7:54
-0:11
25K
15.53 mi13:07:082:06:008:0721:20
8:48
+0:54
30K
18.64 mi13:34:052:32:578:1326:57
8:41
-0:07
20M
20.00 mi13:45:472:44:398:1411:42
8:37
-0:04
21M
21.00 mi13:55:382:54:308:199:51
9:51
+1:14
35K
21.75 mi14:01:413:00:338:196:03
8:06
-1:45
23M
23.00 mi14:12:363:11:288:2010:55
8:44
+0:38
24M
24.00 mi14:20:533:19:458:208:17
8:17
-0:27
40K
24.85 mi14:28:263:27:188:217:33
8:50
+0:33
25.2M
25.20 mi14:31:593:30:518:233:33
10:18
+1:28
FINISH
26.22 mi14:40:333:39:258:238:34
8:25
-1:53

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

7:54 /mi

Average Pace

8:22 /mi

Slowest Pace

10:18 /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

1:19:36

36% of race

Time at Steady Pace

1:37:32

44% of race

Time at Slower Pace

42:17

19% of race

Average Pace: 8:22 /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 mi11:25:5024:427:5824:42
7:58
#16573
10K
6.21 mi11:50:4149:337:5924:51
8:00
#16886
15K
9.32 mi12:15:211:14:137:5824:40
7:57
#16779
20K
12.43 mi12:40:251:39:178:0025:04
8:05
#16720
HALF
13.11 mi12:45:481:44:408:005:23
7:54
#16698
25K
15.53 mi13:07:082:06:008:0721:20
8:48
#17342
30K
18.64 mi13:34:052:32:578:1326:57
8:41
#17414
20M
20.00 mi13:45:472:44:398:1411:42
8:37
#17370
21M
21.00 mi13:55:382:54:308:199:51
9:51
#17517
35K
21.75 mi14:01:413:00:338:196:03
8:06
#17417
23M
23.00 mi14:12:363:11:288:2010:55
8:44
#17365
24M
24.00 mi14:20:533:19:458:208:17
8:17
#17267
40K
24.85 mi14:28:263:27:188:217:33
8:50
#17252
25.2M
25.20 mi14:31:593:30:518:233:33
10:18
#17320
FINISH
26.22 mi14:40:333:39:258:238:34
8:25
#17334
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 mi165735671567116543(Top 57%)5641(Top 45%)5641(Top 458%)
10K6.21 mi3.10 mi16886-3135871-2005871-20017239(Top 59%)6054(Top 48%)6054(Top 491%)
15K9.32 mi3.11 mi16779+1075792+795792+7916543(Top 57%)5641(Top 45%)5641(Top 458%)
20K12.43 mi3.11 mi16720+595766+265766+2616652(Top 57%)5740(Top 46%)5740(Top 466%)
HALF13.11 mi0.68 mi16698+225762+45762+416420(Top 57%)5608(Top 45%)5608(Top 455%)
25K15.53 mi2.42 mi17342-6446124-3626124-36220232(Top 70%)7769(Top 62%)7769(Top 630%)
30K18.64 mi3.11 mi17414-726195-716195-7117881(Top 62%)6602(Top 52%)6602(Top 535%)
20M20.00 mi1.36 mi17370+446184+116184+1116885(Top 58%)6135(Top 49%)6135(Top 498%)
21M21.00 mi1.00 mi17517-1476294-1106294-11019927(Top 69%)7813(Top 62%)7813(Top 634%)
35K21.75 mi0.75 mi17417+1006247+476247+4715136(Top 52%)5275(Top 42%)5275(Top 428%)
23M23.00 mi1.25 mi17365+526253-66253-617059(Top 59%)6467(Top 51%)6467(Top 524%)
24M24.00 mi1.00 mi17267+986217+366217+3615620(Top 54%)5689(Top 45%)5689(Top 461%)
40K24.85 mi0.85 mi17252+156227-106227-1017572(Top 61%)6818(Top 54%)6818(Top 553%)
25.2M25.20 mi0.35 mi17320-686273-466273-4620424(Top 70%)8275(Top 66%)8275(Top 671%)
FINISH26.22 mi1.02 mi17334-146300-276300-2717658(Top 61%)6859(Top 55%)6859(Top 556%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16543

Females

5641

F50-54

5641

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17239

Females

6054

F50-54

6054

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16543

Females

5641

F50-54

5641

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16652

Females

5740

F50-54

5740

20K→HALF

12.4 - 13.1 mi

Top 57%
×2
+19ft-37ft

Overall

16420

Females

5608

F50-54

5608

HALF→25K

13.1 - 15.5 mi

Top 70%
×4
+66ft-88ft

Overall

20232

Females

7769

F50-54

7769

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

17881

Females

6602

F50-54

6602

30K→20M

18.6 - 20.0 mi

Top 58%
×5
+64ft-50ft

Overall

16885

Females

6135

F50-54

6135

20M→21M

20.0 - 21.0 mi

Top 69%
×8
+106ft-24ft

Overall

19927

Females

7813

F50-54

7813

21M→35K

21.0 - 21.8 mi

Top 52%
×7
+17ft-86ft

Overall

15136

Females

5275

F50-54

5275

35K→23M

21.8 - 23.0 mi

Top 59%
×5
+23ft-63ft

Overall

17059

Females

6467

F50-54

6467

23M→24M

23.0 - 24.0 mi

Top 54%
×6
+12ft-82ft

Overall

15620

Females

5689

F50-54

5689

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17572

Females

6818

F50-54

6818

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1
+13ft-16ft

Overall

20424

Females

8275

F50-54

8275

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
×2
+22ft-21ft

Overall

17658

Females

6859

F50-54

6859

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1520*
Passed By
1482
Net Change
-761
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16573
5K → 10K164200-313#16573#16886
10K → 15K252*145+107#16886#16779
15K → 20K200141+59#16779#16720
20K → HALF4321+22#16720#16698
HALF → 25K37200-644#16698#17342
25K → 30K169200-72#17342#17414
30K → 20M11369+44#17414#17370
20M → 21M37184-147#17370#17517
21M → 35K11515+100#17517#17417
35K → 23M11361+52#17417#17365
23M → 24M13032+98#17365#17267
24M → 40K6752+15#17267#17252
40K → 25.2M1684-68#17252#17320
25.2M → FINISH6478-14#17320#17334
TOTALS1520*1482-761

* 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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