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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jefferson Souza

Bib: 6797 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 29%
Gender (Male)
#0 / 16340
Top 42%
Masters (Masters Men)
#0 / 10617
Top 29%
Age Group (M40-44)
#0 / 2198
Race Day Weather
51°/41°F
overcast clouds
Personalized for Jefferson

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 6:46/mi at mile 13.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
21:10
3.11 mi
Rank: #6988
Start → 5K
21:10 | 6:49/mi
10K
42:21
6.21 mi
Rank: #7051 (-63)
5K → 10K
21:11 | 6:50/mi
15K
1:03:28
9.32 mi
Rank: #6926 (+125)
10K → 15K
21:07 | 6:48/mi
20K
1:24:47
12.43 mi
Rank: #6855 (+71)
15K → 20K
21:19 | 6:52/mi
HALF
1:29:24
13.11 mi
Rank: #6860 (-5)
20K → HALF
4:37 | 6:47/mi
25K
1:46:15
15.53 mi
Rank: #6878 (-18)
HALF → 25K
16:51 | 6:57/mi
30K
2:08:46
18.64 mi
Rank: #7027 (-149)
25K → 30K
22:31 | 7:15/mi
20M
2:18:54
20.00 mi
Rank: #7111 (-84)
30K → 20M
10:08 | 7:28/mi
21M
2:26:53
21.00 mi
Rank: #7198 (-87)
20M → 21M
7:59 | 7:59/mi
35K
2:32:27
21.75 mi
Rank: #7269 (-71)
21M → 35K
5:34 | 7:27/mi
23M
2:42:13
23.00 mi
Rank: #7402 (-133)
35K → 23M
9:46 | 7:49/mi
24M
2:50:04
24.00 mi
Rank: #7563 (-161)
23M → 24M
7:51 | 7:51/mi
40K
2:57:06
24.85 mi
Rank: #7757 (-194)
24M → 40K
7:02 | 8:14/mi
25.2M
3:00:19
25.20 mi
Rank: #7876 (-119)
40K → 25.2M
3:13 | 9:20/mi
FINISH
3:09:05
26.22 mi
Rank: #8340 (-464)
25.2M → FINISH
8:46 | 8:37/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:29:24
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:39:41
Pace7:37 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1221:106:4921:10
6:49
-
10K
6.21 mi10:47:2342:216:4921:11
6:50
+0:01
15K
9.32 mi11:08:301:03:286:4921:07
6:48
-0:02
20K
12.43 mi11:29:491:24:476:5021:19
6:52
+0:04
HALF
13.11 mi11:34:261:29:246:504:37
6:47
-0:05
25K
15.53 mi11:51:171:46:156:5116:51
6:57
+0:10
30K
18.64 mi12:13:482:08:466:5522:31
7:15
+0:18
20M
20.00 mi12:23:562:18:546:5710:08
7:28
+0:13
21M
21.00 mi12:31:552:26:537:007:59
7:59
+0:31
35K
21.75 mi12:37:292:32:277:015:34
7:27
-0:32
23M
23.00 mi12:47:152:42:137:049:46
7:49
+0:22
24M
24.00 mi12:55:062:50:047:067:51
7:51
+0:02
40K
24.85 mi13:02:082:57:067:087:02
8:14
+0:23
25.2M
25.20 mi13:05:213:00:197:103:13
9:20
+1:06
FINISH
26.22 mi13:14:073:09:057:148:46
8:37
-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

6:47 /mi

Average Pace

7:13 /mi

Slowest Pace

9:20 /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

1:46:15

56% of race

Time at Steady Pace

47:59

25% of race

Time at Slower Pace

34:51

18% of race

Average Pace: 7:13 /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 mi10:26:1221:106:4921:10
6:49
#6988
10K
6.21 mi10:47:2342:216:4921:11
6:50
#7051
15K
9.32 mi11:08:301:03:286:4921:07
6:48
#6926
20K
12.43 mi11:29:491:24:476:5021:19
6:52
#6855
HALF
13.11 mi11:34:261:29:246:504:37
6:47
#6860
25K
15.53 mi11:51:171:46:156:5116:51
6:57
#6878
30K
18.64 mi12:13:482:08:466:5522:31
7:15
#7027
20M
20.00 mi12:23:562:18:546:5710:08
7:28
#7111
21M
21.00 mi12:31:552:26:537:007:59
7:59
#7198
35K
21.75 mi12:37:292:32:277:015:34
7:27
#7269
23M
23.00 mi12:47:152:42:137:049:46
7:49
#7402
24M
24.00 mi12:55:062:50:047:067:51
7:51
#7563
40K
24.85 mi13:02:082:57:067:087:02
8:14
#7757
25.2M
25.20 mi13:05:213:00:197:103:13
9:20
#7876
FINISH
26.22 mi13:14:073:09:057:148:46
8:37
#8340
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6988621062106804(Top 23%)6046(Top 37%)6046(Top 275%)
10K6.21 mi3.10 mi7051-636246-366246-367176(Top 25%)6319(Top 39%)6319(Top 287%)
15K9.32 mi3.11 mi6926+1256145+1016145+1016804(Top 23%)6046(Top 37%)6046(Top 275%)
20K12.43 mi3.11 mi6855+716083+626083+626757(Top 23%)5974(Top 37%)5974(Top 272%)
HALF13.11 mi0.68 mi6860-56088-56088-56896(Top 24%)6114(Top 37%)6114(Top 278%)
25K15.53 mi2.42 mi6878-186092-46092-47037(Top 24%)6148(Top 38%)6148(Top 280%)
30K18.64 mi3.11 mi7027-1496177-856177-857713(Top 27%)6448(Top 39%)6448(Top 293%)
20M20.00 mi1.36 mi7111-846228-516228-518828(Top 30%)6962(Top 43%)6962(Top 317%)
21M21.00 mi1.00 mi7198-876270-426270-429742(Top 34%)7328(Top 45%)7328(Top 333%)
35K21.75 mi0.75 mi7269-716308-386308-3810326(Top 36%)7627(Top 47%)7627(Top 347%)
23M23.00 mi1.25 mi7402-1336384-766384-7611024(Top 38%)7857(Top 48%)7857(Top 357%)
24M24.00 mi1.00 mi7563-1616450-666450-6612637(Top 44%)8523(Top 52%)8523(Top 388%)
40K24.85 mi0.85 mi7757-1946538-886538-8813894(Top 48%)9005(Top 55%)9005(Top 410%)
25.2M25.20 mi0.35 mi7876-1196598-606598-6016368(Top 56%)10115(Top 62%)10115(Top 460%)
FINISH26.22 mi1.02 mi8340-4646838-2406838-24018645(Top 64%)11198(Top 69%)11198(Top 509%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21
+97ft-345ft

Overall

6804

Males

6046

M40-44

6046

5K→10K

3.1 - 6.2 mi

Top 25%
×5
+79ft-138ft

Overall

7176

Males

6319

M40-44

6319

10K→15K

6.2 - 9.3 mi

Top 23%
×3
+67ft-78ft

Overall

6804

Males

6046

M40-44

6046

15K→20K

9.3 - 12.4 mi

Top 23%
×5
+106ft-86ft

Overall

6757

Males

5974

M40-44

5974

20K→HALF

12.4 - 13.1 mi

Top 24%
×2
+19ft-37ft

Overall

6896

Males

6114

M40-44

6114

HALF→25K

13.1 - 15.5 mi

Top 24%
×4
+66ft-88ft

Overall

7037

Males

6148

M40-44

6148

25K→30K

15.5 - 18.6 mi

Top 27%
×9
+181ft-148ft

Overall

7713

Males

6448

M40-44

6448

30K→20M

18.6 - 20.0 mi

Top 30%
×5
+64ft-50ft

Overall

8828

Males

6962

M40-44

6962

20M→21M

20.0 - 21.0 mi

Top 34%
×8
+106ft-24ft

Overall

9742

Males

7328

M40-44

7328

21M→35K

21.0 - 21.8 mi

Top 36%
×7
+17ft-86ft

Overall

10326

Males

7627

M40-44

7627

35K→23M

21.8 - 23.0 mi

Top 38%
×5
+23ft-63ft

Overall

11024

Males

7857

M40-44

7857

23M→24M

23.0 - 24.0 mi

Top 44%
×6
+12ft-82ft

Overall

12637

Males

8523

M40-44

8523

24M→40K

24.0 - 24.9 mi

Top 48%
×1
+6ft-20ft

Overall

13894

Males

9005

M40-44

9005

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1
+13ft-16ft

Overall

16368

Males

10115

M40-44

10115

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
×2
+22ft-21ft

Overall

18645

Males

11198

M40-44

11198

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1047*
Passed By
2008
Net Change
-1352
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6988
5K → 10K185200-63#6988#7051
10K → 15K205*80+125#7051#6926
15K → 20K185114+71#6926#6855
20K → HALF2530-5#6855#6860
HALF → 25K105123-18#6860#6878
25K → 30K96200-149#6878#7027
30K → 20M51135-84#7027#7111
20M → 21M39126-87#7111#7198
21M → 35K2798-71#7198#7269
35K → 23M52185-133#7269#7402
23M → 24M29190-161#7402#7563
24M → 40K29200-194#7563#7757
40K → 25.2M8127-119#7757#7876
25.2M → FINISH11200-464#7876#8340
TOTALS1047*2008-1352

* 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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Activity Data

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