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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jessica Neilson

Bib: 15228 •F •Age: N/A

AB

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 34%
Gender (Female)
#0 / 12578
Top 17%
Age Group (F18-39)
#0 / 5716
Top 31%
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
22:23
3.11 mi
Rank: #10224
Start → 5K
22:23 | 7:13/mi
10K
44:45
6.21 mi
Rank: #10231 (-7)
5K → 10K
22:22 | 7:12/mi
15K
1:07:02
9.32 mi
Rank: #10077 (+154)
10K → 15K
22:17 | 7:11/mi
20K
1:29:45
12.43 mi
Rank: #10093 (-16)
15K → 20K
22:43 | 7:19/mi
HALF
1:34:42
13.11 mi
Rank: #10121 (-28)
20K → HALF
4:57 | 7:16/mi
25K
1:52:45
15.53 mi
Rank: #10226 (-105)
HALF → 25K
18:03 | 7:27/mi
30K
2:16:33
18.64 mi
Rank: #10277 (-51)
25K → 30K
23:48 | 7:40/mi
20M
2:26:54
20.00 mi
Rank: #10216 (+61)
30K → 20M
10:21 | 7:38/mi
21M
2:34:49
21.00 mi
Rank: #10141 (+75)
20M → 21M
7:55 | 7:55/mi
35K
2:40:26
21.75 mi
Rank: #10154 (-13)
21M → 35K
5:37 | 7:31/mi
23M
2:49:45
23.00 mi
Rank: #9989 (+165)
35K → 23M
9:19 | 7:27/mi
24M
2:57:04
24.00 mi
Rank: #9894 (+95)
23M → 24M
7:19 | 7:19/mi
40K
3:03:25
24.85 mi
Rank: #9815 (+79)
24M → 40K
6:21 | 7:26/mi
25.2M
3:06:12
25.20 mi
Rank: #9782 (+33)
40K → 25.2M
2:47 | 8:05/mi
FINISH
3:13:42
26.22 mi
Rank: #9775 (+7)
25.2M → FINISH
7:30 | 7:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:34:42
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:39:00
Pace7:34 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5122:237:1322:23
7:13
-
10K
6.21 mi11:16:1344:457:1322:22
7:12
-0:01
15K
9.32 mi11:38:301:07:027:1222:17
7:11
-0:01
20K
12.43 mi12:01:131:29:457:1422:43
7:19
+0:08
HALF
13.11 mi12:06:101:34:427:144:57
7:16
-0:03
25K
15.53 mi12:24:131:52:457:1618:03
7:27
+0:11
30K
18.64 mi12:48:012:16:337:2023:48
7:40
+0:13
20M
20.00 mi12:58:222:26:547:2110:21
7:38
-0:02
21M
21.00 mi13:06:172:34:497:237:55
7:55
+0:17
35K
21.75 mi13:11:542:40:267:235:37
7:31
-0:24
23M
23.00 mi13:21:132:49:457:239:19
7:27
-0:04
24M
24.00 mi13:28:322:57:047:237:19
7:19
-0:08
40K
24.85 mi13:34:533:03:257:236:21
7:26
+0:07
25.2M
25.20 mi13:37:403:06:127:242:47
8:05
+0:39
FINISH
26.22 mi13:45:103:13:427:247:30
7:22
-0:43

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

7:11 /mi

Average Pace

7:24 /mi

Slowest Pace

8:05 /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

3:03:00

94% of race

Time at Steady Pace

10:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:23 /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 mi10:53:5122:237:1322:23
7:13
#10224
10K
6.21 mi11:16:1344:457:1322:22
7:12
#10231
15K
9.32 mi11:38:301:07:027:1222:17
7:11
#10077
20K
12.43 mi12:01:131:29:457:1422:43
7:19
#10093
HALF
13.11 mi12:06:101:34:427:144:57
7:16
#10121
25K
15.53 mi12:24:131:52:457:1618:03
7:27
#10226
30K
18.64 mi12:48:012:16:337:2023:48
7:40
#10277
20M
20.00 mi12:58:222:26:547:2110:21
7:38
#10216
21M
21.00 mi13:06:172:34:497:237:55
7:55
#10141
35K
21.75 mi13:11:542:40:267:235:37
7:31
#10154
23M
23.00 mi13:21:132:49:457:239:19
7:27
#9989
24M
24.00 mi13:28:322:57:047:237:19
7:19
#9894
40K
24.85 mi13:34:533:03:257:236:21
7:26
#9815
25.2M
25.20 mi13:37:403:06:127:242:47
8:05
#9782
FINISH
26.22 mi13:45:103:13:427:247:30
7:22
#9775
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 mi10224198519859904(Top 34%)1899(Top 15%)1899(Top 33%)
10K6.21 mi3.10 mi10231-72011-262011-2610276(Top 35%)2042(Top 16%)2042(Top 36%)
15K9.32 mi3.11 mi10077+1541945+661945+669904(Top 34%)1899(Top 15%)1899(Top 33%)
20K12.43 mi3.11 mi10093-161998-531998-5310306(Top 36%)2201(Top 17%)2201(Top 39%)
HALF13.11 mi0.68 mi10121-282016-182016-1810904(Top 38%)2417(Top 19%)2417(Top 42%)
25K15.53 mi2.42 mi10226-1052096-802096-8010963(Top 38%)2612(Top 21%)2612(Top 46%)
30K18.64 mi3.11 mi10277-512174-782174-7810932(Top 38%)2725(Top 22%)2725(Top 48%)
20M20.00 mi1.36 mi10216+612179-52179-59995(Top 34%)2383(Top 19%)2383(Top 42%)
21M21.00 mi1.00 mi10141+752169+102169+109372(Top 32%)2205(Top 18%)2205(Top 39%)
35K21.75 mi0.75 mi10154-132186-172186-1710939(Top 38%)2952(Top 23%)2952(Top 52%)
23M23.00 mi1.25 mi9989+1652133+532133+538490(Top 29%)1873(Top 15%)1873(Top 33%)
24M24.00 mi1.00 mi9894+952100+332100+338756(Top 30%)2059(Top 16%)2059(Top 36%)
40K24.85 mi0.85 mi9815+792091+92091+98382(Top 29%)1978(Top 16%)1978(Top 35%)
25.2M25.20 mi0.35 mi9782+332086+52086+58859(Top 31%)2283(Top 18%)2283(Top 40%)
FINISH26.22 mi1.02 mi9775+72124-382124-3810370(Top 36%)3022(Top 24%)3022(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21
+97ft-345ft

Overall

9904

Females

1899

F18-39

1899

5K→10K

3.1 - 6.2 mi

Top 35%
×5
+79ft-138ft

Overall

10276

Females

2042

F18-39

2042

10K→15K

6.2 - 9.3 mi

Top 34%
×3
+67ft-78ft

Overall

9904

Females

1899

F18-39

1899

15K→20K

9.3 - 12.4 mi

Top 36%
×5
+106ft-86ft

Overall

10306

Females

2201

F18-39

2201

20K→HALF

12.4 - 13.1 mi

Top 38%
×2
+19ft-37ft

Overall

10904

Females

2417

F18-39

2417

HALF→25K

13.1 - 15.5 mi

Top 38%
×4
+66ft-88ft

Overall

10963

Females

2612

F18-39

2612

25K→30K

15.5 - 18.6 mi

Top 38%
×9
+181ft-148ft

Overall

10932

Females

2725

F18-39

2725

30K→20M

18.6 - 20.0 mi

Top 34%
×5
+64ft-50ft

Overall

9995

Females

2383

F18-39

2383

20M→21M

20.0 - 21.0 mi

Top 32%
×8
+106ft-24ft

Overall

9372

Females

2205

F18-39

2205

21M→35K

21.0 - 21.8 mi

Top 38%
×7
+17ft-86ft

Overall

10939

Females

2952

F18-39

2952

35K→23M

21.8 - 23.0 mi

Top 29%
×5
+23ft-63ft

Overall

8490

Females

1873

F18-39

1873

23M→24M

23.0 - 24.0 mi

Top 30%
×6
+12ft-82ft

Overall

8756

Females

2059

F18-39

2059

24M→40K

24.0 - 24.9 mi

Top 29%
×1
+6ft-20ft

Overall

8382

Females

1978

F18-39

1978

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1
+13ft-16ft

Overall

8859

Females

2283

F18-39

2283

25.2M→FINISH

25.2 - 26.2 mi

Top 36%
×2
+22ft-21ft

Overall

10370

Females

3022

F18-39

3022

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1742*
Passed By
1268
Net Change
+449
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10224
5K → 10K200200-7#10224#10231
10K → 15K261*107+154#10231#10077
15K → 20K161177-16#10077#10093
20K → HALF1846-28#10093#10121
HALF → 25K77182-105#10121#10226
25K → 30K166200-51#10226#10277
30K → 20M12261+61#10277#10216
20M → 21M12247+75#10216#10141
21M → 35K4861-13#10141#10154
35K → 23M200*35+165#10154#9989
23M → 24M12227+95#9989#9894
24M → 40K11334+79#9894#9815
40K → 25.2M4613+33#9815#9782
25.2M → FINISH8678+7#9782#9775
TOTALS1742*1268+449

* 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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