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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Daniel Grosso

Bib: 30564 •M •Age: N/A

MA

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
25:44
3.11 mi
Rank: #18758
Start → 5K
25:44 | 8:17/mi
10K
49:34
6.21 mi
Rank: #16889 (+1869)
5K → 10K
23:50 | 7:41/mi
15K
1:13:33
9.32 mi
Rank: #16175 (+714)
10K → 15K
23:59 | 7:44/mi
20K
1:37:49
12.43 mi
Rank: #15750 (+425)
15K → 20K
24:16 | 7:49/mi
HALF
1:43:01
13.11 mi
Rank: #15642 (+108)
20K → HALF
5:12 | 7:38/mi
25K
2:02:22
15.53 mi
Rank: #15574 (+68)
HALF → 25K
19:21 | 7:59/mi
30K
2:27:45
18.64 mi
Rank: #15400 (+174)
25K → 30K
25:23 | 8:11/mi
20M
2:38:50
20.00 mi
Rank: #15270 (+130)
30K → 20M
11:05 | 8:10/mi
21M
2:47:28
21.00 mi
Rank: #15148 (+122)
20M → 21M
8:38 | 8:38/mi
35K
2:53:14
21.75 mi
Rank: #15037 (+111)
21M → 35K
5:46 | 7:43/mi
23M
3:03:42
23.00 mi
Rank: #15014 (+23)
35K → 23M
10:28 | 8:22/mi
24M
3:11:59
24.00 mi
Rank: #15033 (-19)
23M → 24M
8:17 | 8:17/mi
40K
3:19:28
24.85 mi
Rank: #15117 (-84)
24M → 40K
7:29 | 8:46/mi
25.2M
3:22:49
25.20 mi
Rank: #15203 (-86)
40K → 25.2M
3:21 | 9:43/mi
FINISH
3:31:28
26.22 mi
Rank: #15353 (-150)
25.2M → FINISH
8:39 | 8:30/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
Time1:43:01
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:48:27
Pace8:17 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0725:448:1725:44
8:17
-
10K
6.21 mi12:14:5749:347:5923:50
7:41
-0:36
15K
9.32 mi12:38:561:13:337:5423:59
7:44
+0:03
20K
12.43 mi13:03:121:37:497:5324:16
7:49
+0:05
HALF
13.11 mi13:08:241:43:017:525:12
7:38
-0:11
25K
15.53 mi13:27:452:02:227:5319:21
7:59
+0:21
30K
18.64 mi13:53:082:27:457:5625:23
8:11
+0:12
20M
20.00 mi14:04:132:38:507:5711:05
8:10
-0:01
21M
21.00 mi14:12:512:47:287:598:38
8:38
+0:28
35K
21.75 mi14:18:372:53:147:585:46
7:43
-0:55
23M
23.00 mi14:29:053:03:428:0010:28
8:22
+0:39
24M
24.00 mi14:37:223:11:598:008:17
8:17
-0:05
40K
24.85 mi14:44:513:19:288:027:29
8:46
+0:29
25.2M
25.20 mi14:48:123:22:498:033:21
9:43
+0:57
FINISH
26.22 mi14:56:513:31:288:058:39
8:30
-1:13

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

7:38 /mi

Average Pace

8:04 /mi

Slowest Pace

9:43 /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

1:23:03

39% of race

Time at Steady Pace

1:40:18

47% of race

Time at Slower Pace

28:07

13% of race

Average Pace: 8:04 /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 mi11:51:0725:448:1725:44
8:17
#18758
10K
6.21 mi12:14:5749:347:5923:50
7:41
#16889
15K
9.32 mi12:38:561:13:337:5423:59
7:44
#16175
20K
12.43 mi13:03:121:37:497:5324:16
7:49
#15750
HALF
13.11 mi13:08:241:43:017:525:12
7:38
#15642
25K
15.53 mi13:27:452:02:227:5319:21
7:59
#15574
30K
18.64 mi13:53:082:27:457:5625:23
8:11
#15400
20M
20.00 mi14:04:132:38:507:5711:05
8:10
#15270
21M
21.00 mi14:12:512:47:287:598:38
8:38
#15148
35K
21.75 mi14:18:372:53:147:585:46
7:43
#15037
23M
23.00 mi14:29:053:03:428:0010:28
8:22
#15014
24M
24.00 mi14:37:223:11:598:008:17
8:17
#15033
40K
24.85 mi14:44:513:19:288:027:29
8:46
#15117
25.2M
25.20 mi14:48:123:22:498:033:21
9:43
#15203
FINISH
26.22 mi14:56:513:31:288:058:39
8:30
#15353
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 mi18758117331173314689(Top 51%)10072(Top 62%)10072(Top 176%)
10K6.21 mi3.10 mi16889+186910946+78710946+78714489(Top 50%)10035(Top 61%)10035(Top 175%)
15K9.32 mi3.11 mi16175+71410664+28210664+28214689(Top 51%)10072(Top 62%)10072(Top 176%)
20K12.43 mi3.11 mi15750+42510480+18410480+18414610(Top 50%)9985(Top 61%)9985(Top 174%)
HALF13.11 mi0.68 mi15642+10810432+4810432+4814083(Top 49%)9842(Top 60%)9842(Top 172%)
25K15.53 mi2.42 mi15574+6810391+4110391+4115233(Top 52%)10185(Top 62%)10185(Top 178%)
30K18.64 mi3.11 mi15400+17410294+9710294+9714732(Top 51%)9864(Top 60%)9864(Top 172%)
20M20.00 mi1.36 mi15270+13010222+7210222+7213945(Top 48%)9438(Top 58%)9438(Top 165%)
21M21.00 mi1.00 mi15148+12210141+8110141+8113956(Top 48%)9352(Top 57%)9352(Top 163%)
35K21.75 mi0.75 mi15037+11110086+5510086+5512368(Top 43%)8605(Top 53%)8605(Top 150%)
23M23.00 mi1.25 mi15014+2310051+3510051+3514846(Top 51%)9612(Top 59%)9612(Top 168%)
24M24.00 mi1.00 mi15033-1910037+1410037+1415558(Top 54%)9854(Top 60%)9854(Top 172%)
40K24.85 mi0.85 mi15117-8410062-2510062-2517094(Top 59%)10460(Top 64%)10460(Top 183%)
25.2M25.20 mi0.35 mi15203-8610092-3010092-3018206(Top 63%)10976(Top 67%)10976(Top 192%)
FINISH26.22 mi1.02 mi15353-15010136-4410136-4418072(Top 62%)10914(Top 67%)10914(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21
+97ft-345ft

Overall

14689

Males

10072

M18-39

10072

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14489

Males

10035

M18-39

10035

10K→15K

6.2 - 9.3 mi

Top 51%
×3
+67ft-78ft

Overall

14689

Males

10072

M18-39

10072

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14610

Males

9985

M18-39

9985

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14083

Males

9842

M18-39

9842

HALF→25K

13.1 - 15.5 mi

Top 52%
×4
+66ft-88ft

Overall

15233

Males

10185

M18-39

10185

25K→30K

15.5 - 18.6 mi

Top 51%
×9
+181ft-148ft

Overall

14732

Males

9864

M18-39

9864

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13945

Males

9438

M18-39

9438

20M→21M

20.0 - 21.0 mi

Top 48%
×8
+106ft-24ft

Overall

13956

Males

9352

M18-39

9352

21M→35K

21.0 - 21.8 mi

Top 43%
×7
+17ft-86ft

Overall

12368

Males

8605

M18-39

8605

35K→23M

21.8 - 23.0 mi

Top 51%
×5
+23ft-63ft

Overall

14846

Males

9612

M18-39

9612

23M→24M

23.0 - 24.0 mi

Top 54%
×6
+12ft-82ft

Overall

15558

Males

9854

M18-39

9854

24M→40K

24.0 - 24.9 mi

Top 59%
×1
+6ft-20ft

Overall

17094

Males

10460

M18-39

10460

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1
+13ft-16ft

Overall

18206

Males

10976

M18-39

10976

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

18072

Males

10914

M18-39

10914

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4348*
Passed By
943
Net Change
+3405
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18758
5K → 10K1882*13+1869#18758#16889
10K → 15K734*20+714#16889#16175
15K → 20K457*32+425#16175#15750
20K → HALF1124+108#15750#15642
HALF → 25K171103+68#15642#15574
25K → 30K268*94+174#15574#15400
30K → 20M16333+130#15400#15270
20M → 21M17048+122#15270#15148
21M → 35K1198+111#15148#15037
35K → 23M11188+23#15037#15014
23M → 24M6988-19#15014#15033
24M → 40K49133-84#15033#15117
40K → 25.2M14100-86#15117#15203
25.2M → FINISH29179-150#15203#15353
TOTALS4348*943+3405

* 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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