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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Joshua Defronzo

Bib: 33231 •M •Age: N/A

RI

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
27:19
3.11 mi
Rank: #21649
Start → 5K
27:19 | 8:48/mi
10K
54:37
6.21 mi
Rank: #21777 (-128)
5K → 10K
27:18 | 8:48/mi
15K
1:21:04
9.32 mi
Rank: #21259 (+518)
10K → 15K
26:27 | 8:31/mi
20K
1:48:34
12.43 mi
Rank: #21217 (+42)
15K → 20K
27:30 | 8:52/mi
HALF
1:54:06
13.11 mi
Rank: #21063 (+154)
20K → HALF
5:32 | 8:08/mi
25K
2:14:58
15.53 mi
Rank: #20772 (+291)
HALF → 25K
20:52 | 8:37/mi
30K
2:41:41
18.64 mi
Rank: #20171 (+601)
25K → 30K
26:43 | 8:36/mi
20M
2:53:53
20.00 mi
Rank: #20075 (+96)
30K → 20M
12:12 | 8:59/mi
21M
3:03:18
21.00 mi
Rank: #19961 (+114)
20M → 21M
9:25 | 9:25/mi
35K
3:09:45
21.75 mi
Rank: #19899 (+62)
21M → 35K
6:27 | 8:38/mi
23M
3:20:46
23.00 mi
Rank: #19766 (+133)
35K → 23M
11:01 | 8:49/mi
24M
3:29:33
24.00 mi
Rank: #19703 (+63)
23M → 24M
8:47 | 8:47/mi
40K
3:36:57
24.85 mi
Rank: #19583 (+120)
24M → 40K
7:24 | 8:40/mi
25.2M
3:40:37
25.20 mi
Rank: #19639 (-56)
40K → 25.2M
3:40 | 10:38/mi
FINISH
3:49:36
26.22 mi
Rank: #19655 (-16)
25.2M → FINISH
8:59 | 8:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:54:06
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time1:55:30
Pace8:49 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:1827:198:4827:19
8:48
-
10K
6.21 mi12:25:3654:378:4827:18
8:48
0:00
15K
9.32 mi12:52:031:21:048:4226:27
8:31
-0:17
20K
12.43 mi13:19:331:48:348:4527:30
8:52
+0:21
HALF
13.11 mi13:25:051:54:068:435:32
8:08
-0:44
25K
15.53 mi13:45:572:14:588:4220:52
8:37
+0:29
30K
18.64 mi14:12:402:41:418:4126:43
8:36
-0:01
20M
20.00 mi14:24:522:53:538:4212:12
8:59
+0:23
21M
21.00 mi14:34:173:03:188:449:25
9:25
+0:26
35K
21.75 mi14:40:443:09:458:446:27
8:38
-0:47
23M
23.00 mi14:51:453:20:468:4411:01
8:49
+0:11
24M
24.00 mi15:00:323:29:338:448:47
8:47
-0:02
40K
24.85 mi15:07:563:36:578:447:24
8:40
-0:07
25.2M
25.20 mi15:11:363:40:378:463:40
10:38
+1:58
FINISH
26.22 mi15:20:353:49:368:468:59
8:49
-1:49

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

8:08 /mi

Average Pace

8:46 /mi

Slowest Pace

10:38 /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

31:59

14% of race

Time at Steady Pace

3:04:32

80% of race

Time at Slower Pace

13:05

6% of race

Average Pace: 8:45 /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 mi11:58:1827:198:4827:19
8:48
#21649
10K
6.21 mi12:25:3654:378:4827:18
8:48
#21777
15K
9.32 mi12:52:031:21:048:4226:27
8:31
#21259
20K
12.43 mi13:19:331:48:348:4527:30
8:52
#21217
HALF
13.11 mi13:25:051:54:068:435:32
8:08
#21063
25K
15.53 mi13:45:572:14:588:4220:52
8:37
#20772
30K
18.64 mi14:12:402:41:418:4126:43
8:36
#20171
20M
20.00 mi14:24:522:53:538:4212:12
8:59
#20075
21M
21.00 mi14:34:173:03:188:449:25
9:25
#19961
35K
21.75 mi14:40:443:09:458:446:27
8:38
#19899
23M
23.00 mi14:51:453:20:468:4411:01
8:49
#19766
24M
24.00 mi15:00:323:29:338:448:47
8:47
#19703
40K
24.85 mi15:07:563:36:578:447:24
8:40
#19583
25.2M
25.20 mi15:11:363:40:378:463:40
10:38
#19639
FINISH
26.22 mi15:20:353:49:368:468:59
8:49
#19655
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 mi21649130491304920227(Top 70%)12425(Top 76%)12425(Top 217%)
10K6.21 mi3.10 mi21777-12813121-7213121-7221842(Top 75%)13176(Top 81%)13176(Top 230%)
15K9.32 mi3.11 mi21259+51812884+23712884+23720227(Top 70%)12425(Top 76%)12425(Top 217%)
20K12.43 mi3.11 mi21217+4212852+3212852+3221220(Top 73%)12873(Top 79%)12873(Top 225%)
HALF13.11 mi0.68 mi21063+15412789+6312789+6317875(Top 62%)11413(Top 70%)11413(Top 199%)
25K15.53 mi2.42 mi20772+29112642+14712642+14719199(Top 66%)11879(Top 73%)11879(Top 208%)
30K18.64 mi3.11 mi20171+60112354+28812354+28817471(Top 60%)11025(Top 67%)11025(Top 193%)
20M20.00 mi1.36 mi20075+9612285+6912285+6918853(Top 65%)11570(Top 71%)11570(Top 202%)
21M21.00 mi1.00 mi19961+11412215+7012215+7018134(Top 62%)11208(Top 69%)11208(Top 196%)
35K21.75 mi0.75 mi19899+6212178+3712178+3718202(Top 63%)11139(Top 68%)11139(Top 195%)
23M23.00 mi1.25 mi19766+13312083+9512083+9517456(Top 60%)10733(Top 66%)10733(Top 188%)
24M24.00 mi1.00 mi19703+6312043+4012043+4018431(Top 64%)11161(Top 68%)11161(Top 195%)
40K24.85 mi0.85 mi19583+12011976+6711976+6716590(Top 57%)10243(Top 63%)10243(Top 179%)
25.2M25.20 mi0.35 mi19639-5612002-2612002-2621418(Top 74%)12548(Top 77%)12548(Top 219%)
FINISH26.22 mi1.02 mi19655-1611997+511997+519690(Top 68%)11691(Top 72%)11691(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21
+97ft-345ft

Overall

20227

Males

12425

M18-39

12425

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21842

Males

13176

M18-39

13176

10K→15K

6.2 - 9.3 mi

Top 70%
×3
+67ft-78ft

Overall

20227

Males

12425

M18-39

12425

15K→20K

9.3 - 12.4 mi

Top 73%
×5
+106ft-86ft

Overall

21220

Males

12873

M18-39

12873

20K→HALF

12.4 - 13.1 mi

Top 62%
×2
+19ft-37ft

Overall

17875

Males

11413

M18-39

11413

HALF→25K

13.1 - 15.5 mi

Top 66%
×4
+66ft-88ft

Overall

19199

Males

11879

M18-39

11879

25K→30K

15.5 - 18.6 mi

Top 60%
×9
+181ft-148ft

Overall

17471

Males

11025

M18-39

11025

30K→20M

18.6 - 20.0 mi

Top 65%
×5
+64ft-50ft

Overall

18853

Males

11570

M18-39

11570

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

18134

Males

11208

M18-39

11208

21M→35K

21.0 - 21.8 mi

Top 63%
×7
+17ft-86ft

Overall

18202

Males

11139

M18-39

11139

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17456

Males

10733

M18-39

10733

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18431

Males

11161

M18-39

11161

24M→40K

24.0 - 24.9 mi

Top 57%
×1
+6ft-20ft

Overall

16590

Males

10243

M18-39

10243

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1
+13ft-16ft

Overall

21418

Males

12548

M18-39

12548

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19690

Males

11691

M18-39

11691

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2787*
Passed By
665
Net Change
+1994
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21649
5K → 10K200200-128#21649#21777
10K → 15K543*25+518#21777#21259
15K → 20K180138+42#21259#21217
20K → HALF1540+154#21217#21063
HALF → 25K300*9+291#21063#20772
25K → 30K606*5+601#20772#20171
30K → 20M13741+96#20171#20075
20M → 21M14329+114#20075#19961
21M → 35K7715+62#19961#19899
35K → 23M15017+133#19899#19766
23M → 24M9734+63#19766#19703
24M → 40K1288+120#19703#19583
40K → 25.2M1571-56#19583#19639
25.2M → FINISH5773-16#19639#19655
TOTALS2787*665+1994

* 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

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