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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Nicole Leslie

Bib: 29166 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
29:56
3.11 mi
Rank: #24895
Start → 5K
29:56 | 9:39/mi
10K
58:01
6.21 mi
Rank: #24046 (+849)
5K → 10K
28:05 | 9:03/mi
15K
1:26:07
9.32 mi
Rank: #23686 (+360)
10K → 15K
28:06 | 9:03/mi
20K
1:54:57
12.43 mi
Rank: #23552 (+134)
15K → 20K
28:50 | 9:17/mi
HALF
2:01:05
13.11 mi
Rank: #23513 (+39)
20K → HALF
6:08 | 9:00/mi
25K
2:23:23
15.53 mi
Rank: #23223 (+290)
HALF → 25K
22:18 | 9:12/mi
30K
2:52:10
18.64 mi
Rank: #22772 (+451)
25K → 30K
28:47 | 9:16/mi
20M
3:04:27
20.00 mi
Rank: #22496 (+276)
30K → 20M
12:17 | 9:03/mi
21M
3:14:08
21.00 mi
Rank: #22316 (+180)
20M → 21M
9:41 | 9:41/mi
35K
3:20:26
21.75 mi
Rank: #22143 (+173)
21M → 35K
6:18 | 8:26/mi
23M
3:32:06
23.00 mi
Rank: #22009 (+134)
35K → 23M
11:40 | 9:20/mi
24M
3:40:53
24.00 mi
Rank: #21894 (+115)
23M → 24M
8:47 | 8:47/mi
40K
3:48:30
24.85 mi
Rank: #21779 (+115)
24M → 40K
7:37 | 8:55/mi
25.2M
3:51:43
25.20 mi
Rank: #21720 (+59)
40K → 25.2M
3:13 | 9:20/mi
FINISH
4:00:02
26.22 mi
Rank: #21566 (+154)
25.2M → FINISH
8:19 | 8:10/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time2:01:05
Pace9:15 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:58:57
Pace9:05 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5529:569:3929:56
9:39
-
10K
6.21 mi12:21:0058:019:2128:05
9:03
-0:36
15K
9.32 mi12:49:061:26:079:1528:06
9:03
0:00
20K
12.43 mi13:17:561:54:579:1528:50
9:17
+0:14
HALF
13.11 mi13:24:042:01:059:156:08
9:00
-0:17
25K
15.53 mi13:46:222:23:239:1422:18
9:12
+0:12
30K
18.64 mi14:15:092:52:109:1528:47
9:16
+0:04
20M
20.00 mi14:27:263:04:279:1412:17
9:03
-0:13
21M
21.00 mi14:37:073:14:089:159:41
9:41
+0:38
35K
21.75 mi14:43:253:20:269:136:18
8:26
-1:15
23M
23.00 mi14:55:053:32:069:1411:40
9:20
+0:54
24M
24.00 mi15:03:523:40:539:138:47
8:47
-0:33
40K
24.85 mi15:11:293:48:309:127:37
8:55
+0:08
25.2M
25.20 mi15:14:423:51:439:123:13
9:20
+0:25
FINISH
26.22 mi15:23:014:00:029:108:19
8:10
-1:10

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

8:10 /mi

Average Pace

9:10 /mi

Slowest Pace

9:41 /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

31:01

13% of race

Time at Steady Pace

2:49:24

71% of race

Time at Slower Pace

39:37

17% of race

Average Pace: 9:09 /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 mi11:52:5529:569:3929:56
9:39
#24895
10K
6.21 mi12:21:0058:019:2128:05
9:03
#24046
15K
9.32 mi12:49:061:26:079:1528:06
9:03
#23686
20K
12.43 mi13:17:561:54:579:1528:50
9:17
#23552
HALF
13.11 mi13:24:042:01:059:156:08
9:00
#23513
25K
15.53 mi13:46:222:23:239:1422:18
9:12
#23223
30K
18.64 mi14:15:092:52:109:1528:47
9:16
#22772
20M
20.00 mi14:27:263:04:279:1412:17
9:03
#22496
21M
21.00 mi14:37:073:14:089:159:41
9:41
#22316
35K
21.75 mi14:43:253:20:269:136:18
8:26
#22143
23M
23.00 mi14:55:053:32:069:1411:40
9:20
#22009
24M
24.00 mi15:03:523:40:539:138:47
8:47
#21894
40K
24.85 mi15:11:293:48:309:127:37
8:55
#21779
25.2M
25.20 mi15:14:423:51:439:123:13
9:20
#21720
FINISH
26.22 mi15:23:014:00:029:108:19
8:10
#21566
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 mi24895101251012522905(Top 79%)9093(Top 72%)9093(Top 159%)
10K6.21 mi3.10 mi24046+8499679+4469679+44622998(Top 79%)9154(Top 73%)9154(Top 160%)
15K9.32 mi3.11 mi23686+3609494+1859494+18522905(Top 79%)9093(Top 72%)9093(Top 159%)
20K12.43 mi3.11 mi23552+1349431+639431+6323075(Top 80%)9215(Top 73%)9215(Top 161%)
HALF13.11 mi0.68 mi23513+399410+219410+2122771(Top 78%)9040(Top 72%)9040(Top 158%)
25K15.53 mi2.42 mi23223+2909279+1319279+13122026(Top 76%)8687(Top 69%)8687(Top 152%)
30K18.64 mi3.11 mi22772+4519083+1969083+19620815(Top 72%)8166(Top 65%)8166(Top 143%)
20M20.00 mi1.36 mi22496+2768955+1288955+12819172(Top 66%)7374(Top 59%)7374(Top 129%)
21M21.00 mi1.00 mi22316+1808872+838872+8319342(Top 67%)7507(Top 60%)7507(Top 131%)
35K21.75 mi0.75 mi22143+1738796+768796+7617223(Top 59%)6484(Top 52%)6484(Top 113%)
23M23.00 mi1.25 mi22009+1348756+408756+4019932(Top 69%)7953(Top 63%)7953(Top 139%)
24M24.00 mi1.00 mi21894+1158701+558701+5518480(Top 64%)7242(Top 58%)7242(Top 127%)
40K24.85 mi0.85 mi21779+1158648+538648+5317996(Top 62%)7044(Top 56%)7044(Top 123%)
25.2M25.20 mi0.35 mi21720+598624+248624+2416606(Top 57%)6324(Top 50%)6324(Top 111%)
FINISH26.22 mi1.02 mi21566+1548542+828542+8216243(Top 56%)6095(Top 48%)6095(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

22905

Females

9093

F18-39

9093

5K→10K

3.1 - 6.2 mi

Top 79%
×5
+79ft-138ft

Overall

22998

Females

9154

F18-39

9154

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

22905

Females

9093

F18-39

9093

15K→20K

9.3 - 12.4 mi

Top 80%
×5
+106ft-86ft

Overall

23075

Females

9215

F18-39

9215

20K→HALF

12.4 - 13.1 mi

Top 78%
×2
+19ft-37ft

Overall

22771

Females

9040

F18-39

9040

HALF→25K

13.1 - 15.5 mi

Top 76%
×4
+66ft-88ft

Overall

22026

Females

8687

F18-39

8687

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20815

Females

8166

F18-39

8166

30K→20M

18.6 - 20.0 mi

Top 66%
×5
+64ft-50ft

Overall

19172

Females

7374

F18-39

7374

20M→21M

20.0 - 21.0 mi

Top 67%
×8
+106ft-24ft

Overall

19342

Females

7507

F18-39

7507

21M→35K

21.0 - 21.8 mi

Top 59%
×7
+17ft-86ft

Overall

17223

Females

6484

F18-39

6484

35K→23M

21.8 - 23.0 mi

Top 69%
×5
+23ft-63ft

Overall

19932

Females

7953

F18-39

7953

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18480

Females

7242

F18-39

7242

24M→40K

24.0 - 24.9 mi

Top 62%
×1
+6ft-20ft

Overall

17996

Females

7044

F18-39

7044

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1
+13ft-16ft

Overall

16606

Females

6324

F18-39

6324

25.2M→FINISH

25.2 - 26.2 mi

Top 56%
×2
+22ft-21ft

Overall

16243

Females

6095

F18-39

6095

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3550*
Passed By
221
Net Change
+3329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24895
5K → 10K864*15+849#24895#24046
10K → 15K391*31+360#24046#23686
15K → 20K217*83+134#23686#23552
20K → HALF489+39#23552#23513
HALF → 25K301*11+290#23513#23223
25K → 30K458*7+451#23223#22772
30K → 20M276*0+276#22772#22496
20M → 21M19717+180#22496#22316
21M → 35K1763+173#22316#22143
35K → 23M16127+134#22143#22009
23M → 24M1249+115#22009#21894
24M → 40K1194+115#21894#21779
40K → 25.2M612+59#21779#21720
25.2M → FINISH1573+154#21720#21566
TOTALS3550*221+3329

* 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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