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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Rodolfo De Souza

Bib: 8643 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
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
20:56
3.11 mi
Rank: #6274
Start → 5K
20:56 | 6:45/mi
10K
41:44
6.21 mi
Rank: #6076 (+198)
5K → 10K
20:48 | 6:42/mi
15K
1:02:40
9.32 mi
Rank: #6072 (+4)
10K → 15K
20:56 | 6:45/mi
20K
1:23:44
12.43 mi
Rank: #5984 (+88)
15K → 20K
21:04 | 6:47/mi
HALF
1:28:21
13.11 mi
Rank: #6029 (-45)
20K → HALF
4:37 | 6:47/mi
25K
1:45:16
15.53 mi
Rank: #6259 (-230)
HALF → 25K
16:55 | 6:59/mi
30K
2:11:44
18.64 mi
Rank: #8197 (-1938)
25K → 30K
26:28 | 8:32/mi
20M
2:29:23
20.00 mi
Rank: #11393 (-3196)
30K → 20M
17:39 | 13:00/mi
21M
2:43:49
21.00 mi
Rank: #13742 (-2349)
20M → 21M
14:26 | 14:26/mi
35K
2:55:06
21.75 mi
Rank: #15711 (-1969)
21M → 35K
11:17 | 15:05/mi
23M
3:15:05
23.00 mi
Rank: #18341 (-2630)
35K → 23M
19:59 | 15:59/mi
24M
3:30:49
24.00 mi
Rank: #19991 (-1650)
23M → 24M
15:44 | 15:44/mi
40K
3:47:21
24.85 mi
Rank: #21583 (-1592)
24M → 40K
16:32 | 19:21/mi
25.2M
3:53:18
25.20 mi
Rank: #21936 (-353)
40K → 25.2M
5:57 | 17:16/mi
FINISH
4:07:05
26.22 mi
Rank: #22449 (-513)
25.2M → FINISH
13:47 | 13:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:28:21
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time2:38:44
Pace12:07 /mi
📊Positive Split: 79.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:0920:566:4520:56
6:45
-
10K
6.21 mi10:56:5741:446:4320:48
6:42
-0:03
15K
9.32 mi11:17:531:02:406:4420:56
6:45
+0:03
20K
12.43 mi11:38:571:23:446:4521:04
6:47
+0:02
HALF
13.11 mi11:43:341:28:216:454:37
6:47
0:00
25K
15.53 mi12:00:291:45:166:4716:55
6:59
+0:12
30K
18.64 mi12:26:572:11:447:0526:28
8:32
+1:33
20M
20.00 mi12:44:362:29:237:2917:39
13:00
+4:28
21M
21.00 mi12:59:022:43:497:4914:26
14:26
+1:26
35K
21.75 mi13:10:192:55:068:0411:17
15:05
+0:39
23M
23.00 mi13:30:183:15:058:2919:59
15:59
+0:54
24M
24.00 mi13:46:023:30:498:4815:44
15:44
-0:15
40K
24.85 mi14:02:343:47:219:0916:32
19:21
+3:37
25.2M
25.20 mi14:08:313:53:189:165:57
17:16
-2:05
FINISH
26.22 mi14:22:184:07:059:2613:47
13:32
-3:44

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

6:42 /mi

Average Pace

9:26 /mi

Slowest Pace

19:21 /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

2:11:44

53% of race

Time at Steady Pace

57:09

23% of race

Time at Slower Pace

58:12

24% of race

Average Pace: 9:25 /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 mi10:36:0920:566:4520:56
6:45
#6274
10K
6.21 mi10:56:5741:446:4320:48
6:42
#6076
15K
9.32 mi11:17:531:02:406:4420:56
6:45
#6072
20K
12.43 mi11:38:571:23:446:4521:04
6:47
#5984
HALF
13.11 mi11:43:341:28:216:454:37
6:47
#6029
25K
15.53 mi12:00:291:45:166:4716:55
6:59
#6259
30K
18.64 mi12:26:572:11:447:0526:28
8:32
#8197
20M
20.00 mi12:44:362:29:237:2917:39
13:00
#11393
21M
21.00 mi12:59:022:43:497:4914:26
14:26
#13742
35K
21.75 mi13:10:192:55:068:0411:17
15:05
#15711
23M
23.00 mi13:30:183:15:058:2919:59
15:59
#18341
24M
24.00 mi13:46:023:30:498:4815:44
15:44
#19991
40K
24.85 mi14:02:343:47:219:0916:32
19:21
#21583
25.2M
25.20 mi14:08:313:53:189:165:57
17:16
#21936
FINISH
26.22 mi14:22:184:07:059:2613:47
13:32
#22449
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6274568756876207(Top 21%)5596(Top 34%)5596(Top 232%)
10K6.21 mi3.10 mi6076+1985535+1525535+1525918(Top 20%)5397(Top 33%)5397(Top 224%)
15K9.32 mi3.11 mi6072+45531+45531+46207(Top 21%)5596(Top 34%)5596(Top 232%)
20K12.43 mi3.11 mi5984+885447+845447+846012(Top 21%)5417(Top 33%)5417(Top 224%)
HALF13.11 mi0.68 mi6029-455483-365483-366920(Top 24%)6138(Top 38%)6138(Top 254%)
25K15.53 mi2.42 mi6259-2305641-1585641-1587240(Top 25%)6285(Top 38%)6285(Top 260%)
30K18.64 mi3.11 mi8197-19386945-13046945-130417018(Top 59%)10851(Top 66%)10851(Top 450%)
20M20.00 mi1.36 mi11393-31968581-16368581-163627418(Top 94%)15606(Top 96%)15606(Top 647%)
21M21.00 mi1.00 mi13742-23499587-10069587-100627682(Top 95%)15680(Top 96%)15680(Top 650%)
35K21.75 mi0.75 mi15711-196910369-78210369-78228722(Top 99%)16161(Top 99%)16161(Top 670%)
23M23.00 mi1.25 mi18341-263011463-109411463-109428856(Top 99%)16236(Top 99%)16236(Top 673%)
24M24.00 mi1.00 mi19991-165012179-71612179-71628848(Top 99%)16226(Top 99%)16226(Top 672%)
40K24.85 mi0.85 mi21583-159212955-77612955-77628980(Top 100%)16310(Top 100%)16310(Top 676%)
25.2M25.20 mi0.35 mi21936-35313112-15713112-15728760(Top 99%)16162(Top 99%)16162(Top 670%)
FINISH26.22 mi1.02 mi22449-51313335-22313335-22328492(Top 98%)16040(Top 98%)16040(Top 665%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21
+97ft-345ft

Overall

6207

Males

5596

M45-49

5596

5K→10K

3.1 - 6.2 mi

Top 20%
×5
+79ft-138ft

Overall

5918

Males

5397

M45-49

5397

10K→15K

6.2 - 9.3 mi

Top 21%
×3
+67ft-78ft

Overall

6207

Males

5596

M45-49

5596

15K→20K

9.3 - 12.4 mi

Top 21%
×5
+106ft-86ft

Overall

6012

Males

5417

M45-49

5417

20K→HALF

12.4 - 13.1 mi

Top 24%
×2
+19ft-37ft

Overall

6920

Males

6138

M45-49

6138

HALF→25K

13.1 - 15.5 mi

Top 25%
×4
+66ft-88ft

Overall

7240

Males

6285

M45-49

6285

25K→30K

15.5 - 18.6 mi

Top 59%
×9
+181ft-148ft

Overall

17018

Males

10851

M45-49

10851

30K→20M

18.6 - 20.0 mi

Top 94%
×5
+64ft-50ft

Overall

27418

Males

15606

M45-49

15606

20M→21M

20.0 - 21.0 mi

Top 95%
×8
+106ft-24ft

Overall

27682

Males

15680

M45-49

15680

21M→35K

21.0 - 21.8 mi

Top 99%
×7
+17ft-86ft

Overall

28722

Males

16161

M45-49

16161

35K→23M

21.8 - 23.0 mi

Top 99%
×5
+23ft-63ft

Overall

28856

Males

16236

M45-49

16236

23M→24M

23.0 - 24.0 mi

Top 99%
×6
+12ft-82ft

Overall

28848

Males

16226

M45-49

16226

24M→40K

24.0 - 24.9 mi

Top 100%
×1
+6ft-20ft

Overall

28980

Males

16310

M45-49

16310

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1
+13ft-16ft

Overall

28760

Males

16162

M45-49

16162

25.2M→FINISH

25.2 - 26.2 mi

Top 98%
×2
+22ft-21ft

Overall

28492

Males

16040

M45-49

16040

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
701*
Passed By
2385
Net Change
-16175
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6274
5K → 10K306*108+198#6274#6076
10K → 15K140136+4#6076#6072
15K → 20K17688+88#6072#5984
20K → HALF853-45#5984#6029
HALF → 25K53200-230#6029#6259
25K → 30K7200-1938#6259#8197
30K → 20M0200-3196#8197#11393
20M → 21M2200-2349#11393#13742
21M → 35K2200-1969#13742#15711
35K → 23M0200-2630#15711#18341
23M → 24M7200-1650#18341#19991
24M → 40K0200-1592#19991#21583
40K → 25.2M0200-353#21583#21936
25.2M → FINISH0200-513#21936#22449
TOTALS701*2385-16175

* 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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