Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Brennan Neseralla

Bib: 29355MAge: N/A

GA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
26:19
3.11 mi
Rank: #19905
Start5K
26:19 | 8:29/mi
10K
51:41
6.21 mi
Rank: #19124 (+781)
5K10K
25:22 | 8:10/mi
15K
1:16:31
9.32 mi
Rank: #18439 (+685)
10K15K
24:50 | 8:00/mi
20K
1:41:30
12.43 mi
Rank: #17946 (+493)
15K20K
24:59 | 8:03/mi
HALF
1:46:58
13.11 mi
Rank: #17908 (+38)
20KHALF
5:28 | 8:02/mi
25K
2:06:22
15.53 mi
Rank: #17528 (+380)
HALF25K
19:24 | 8:00/mi
30K
2:31:50
18.64 mi
Rank: #17001 (+527)
25K30K
25:28 | 8:12/mi
20M
2:42:56
20.00 mi
Rank: #16791 (+210)
30K20M
11:06 | 8:11/mi
21M
2:51:13
21.00 mi
Rank: #16479 (+312)
20M21M
8:17 | 8:17/mi
35K
2:57:09
21.75 mi
Rank: #16357 (+122)
21M35K
5:56 | 7:56/mi
23M
3:07:19
23.00 mi
Rank: #16148 (+209)
35K23M
10:10 | 8:08/mi
24M
3:15:06
24.00 mi
Rank: #15976 (+172)
23M24M
7:47 | 7:47/mi
40K
3:21:37
24.85 mi
Rank: #15740 (+236)
24M40K
6:31 | 7:38/mi
25.2M
3:24:29
25.20 mi
Rank: #15667 (+73)
40K25.2M
2:52 | 8:19/mi
FINISH
3:31:52
26.22 mi
Rank: #15466 (+201)
25.2MFINISH
7:23 | 7:15/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:46:58
Pace8:10 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:44:54
Pace8:01 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5926:198:2926:19
8:29
-
10K
6.21 mi12:16:2151:418:2025:22
8:10
-0:19
15K
9.32 mi12:41:111:16:318:1324:50
8:00
-0:10
20K
12.43 mi13:06:101:41:308:1124:59
8:03
+0:03
HALF
13.11 mi13:11:381:46:588:105:28
8:02
-0:01
25K
15.53 mi13:31:022:06:228:0919:24
8:00
-0:02
30K
18.64 mi13:56:302:31:508:0925:28
8:12
+0:12
20M
20.00 mi14:07:362:42:568:0911:06
8:11
-0:01
21M
21.00 mi14:15:532:51:138:108:17
8:17
+0:06
35K
21.75 mi14:21:492:57:098:095:56
7:56
-0:21
23M
23.00 mi14:31:593:07:198:0910:10
8:08
+0:12
24M
24.00 mi14:39:463:15:068:087:47
7:47
-0:21
40K
24.85 mi14:46:173:21:378:076:31
7:38
-0:09
25.2M
25.20 mi14:49:093:24:298:072:52
8:19
+0:41
FINISH
26.22 mi14:56:323:31:528:067:23
7:15
-1:04

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

7:15 /mi

Average Pace

8:05 /mi

Slowest Pace

8:29 /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

27:37

13% of race

Time at Steady Pace

3:04:15

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /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 mi11:50:5926:198:2926:19
8:29
#19905
10K
6.21 mi12:16:2151:418:2025:22
8:10
#19124
15K
9.32 mi12:41:111:16:318:1324:50
8:00
#18439
20K
12.43 mi13:06:101:41:308:1124:59
8:03
#17946
HALF
13.11 mi13:11:381:46:588:105:28
8:02
#17908
25K
15.53 mi13:31:022:06:228:0919:24
8:00
#17528
30K
18.64 mi13:56:302:31:508:0925:28
8:12
#17001
20M
20.00 mi14:07:362:42:568:0911:06
8:11
#16791
21M
21.00 mi14:15:532:51:138:108:17
8:17
#16479
35K
21.75 mi14:21:492:57:098:095:56
7:56
#16357
23M
23.00 mi14:31:593:07:198:0910:10
8:08
#16148
24M
24.00 mi14:39:463:15:068:087:47
7:47
#15976
40K
24.85 mi14:46:173:21:378:076:31
7:38
#15740
25.2M
25.20 mi14:49:093:24:298:072:52
8:19
#15667
FINISH
26.22 mi14:56:323:31:528:067:23
7:15
#15466
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19905122441224416954(Top 58%)10990(Top 67%)10990(Top 192%)
10K6.21 mi3.10 mi19124+78111903+34111903+34118363(Top 63%)11610(Top 71%)11610(Top 203%)
15K9.32 mi3.11 mi18439+68511631+27211631+27216954(Top 58%)10990(Top 67%)10990(Top 192%)
20K12.43 mi3.11 mi17946+49311404+22711404+22716405(Top 57%)10730(Top 66%)10730(Top 187%)
HALF13.11 mi0.68 mi17908+3811392+1211392+1217185(Top 59%)11080(Top 68%)11080(Top 194%)
25K15.53 mi2.42 mi17528+38011220+17211220+17215391(Top 53%)10256(Top 63%)10256(Top 179%)
30K18.64 mi3.11 mi17001+52710965+25510965+25514896(Top 51%)9931(Top 61%)9931(Top 174%)
20M20.00 mi1.36 mi16791+21010857+10810857+10814048(Top 48%)9488(Top 58%)9488(Top 166%)
21M21.00 mi1.00 mi16479+31210705+15210705+15211742(Top 40%)8321(Top 51%)8321(Top 145%)
35K21.75 mi0.75 mi16357+12210635+7010635+7013975(Top 48%)9314(Top 57%)9314(Top 163%)
23M23.00 mi1.25 mi16148+20910513+12210513+12213299(Top 46%)8928(Top 55%)8928(Top 156%)
24M24.00 mi1.00 mi15976+17210424+8910424+8912156(Top 42%)8325(Top 51%)8325(Top 145%)
40K24.85 mi0.85 mi15740+23610313+11110313+1119755(Top 34%)7098(Top 43%)7098(Top 124%)
25.2M25.20 mi0.35 mi15667+7310276+3710276+3710392(Top 36%)7368(Top 45%)7368(Top 129%)
FINISH26.22 mi1.02 mi15466+20110174+10210174+1029470(Top 33%)6854(Top 42%)6854(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16954

Males

10990

M18-39

10990

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18363

Males

11610

M18-39

11610

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16954

Males

10990

M18-39

10990

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16405

Males

10730

M18-39

10730

20K→HALF

12.4 - 13.1 mi

Top 59%
×2
+19ft-37ft

Overall

17185

Males

11080

M18-39

11080

HALF→25K

13.1 - 15.5 mi

Top 53%
×4
+66ft-88ft

Overall

15391

Males

10256

M18-39

10256

25K→30K

15.5 - 18.6 mi

Top 51%
×9
+181ft-148ft

Overall

14896

Males

9931

M18-39

9931

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

14048

Males

9488

M18-39

9488

20M→21M

20.0 - 21.0 mi

Top 40%
×8
+106ft-24ft

Overall

11742

Males

8321

M18-39

8321

21M→35K

21.0 - 21.8 mi

Top 48%
×7
+17ft-86ft

Overall

13975

Males

9314

M18-39

9314

35K→23M

21.8 - 23.0 mi

Top 46%
×5
+23ft-63ft

Overall

13299

Males

8928

M18-39

8928

23M→24M

23.0 - 24.0 mi

Top 42%
×6
+12ft-82ft

Overall

12156

Males

8325

M18-39

8325

24M→40K

24.0 - 24.9 mi

Top 34%
×1
+6ft-20ft

Overall

9755

Males

7098

M18-39

7098

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1
+13ft-16ft

Overall

10392

Males

7368

M18-39

7368

25.2M→FINISH

25.2 - 26.2 mi

Top 33%
×2
+22ft-21ft

Overall

9470

Males

6854

M18-39

6854

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4611*
Passed By
172
Net Change
+4439
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19905
5K10K841*60+781#19905#19124
10K15K708*23+685#19124#18439
15K20K505*12+493#18439#17946
20KHALF5719+38#17946#17908
HALF25K389*9+380#17908#17528
25K30K537*10+527#17528#17001
30K20M217*7+210#17001#16791
20M21M312*0+312#16791#16479
21M35K13513+122#16479#16357
35K23M220*11+209#16357#16148
23M24M1775+172#16148#15976
24M40K238*2+236#15976#15740
40K25.2M741+73#15740#15667
25.2MFINISH201*0+201#15667#15466
TOTALS4611*172+4439

* 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

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