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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Brian Lesiewicz

Bib: 6717 •M •Age: N/A

IL

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 11%
Gender (Male)
#0 / 16340
Top 19%
Masters (Masters Men)
#0 / 10617
Top 6%
Age Group (M40-44)
#0 / 2198
Top 17%
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
20:49
3.11 mi
Rank: #5871
Start → 5K
20:49 | 6:43/mi
10K
41:36
6.21 mi
Rank: #5858 (+13)
5K → 10K
20:47 | 6:42/mi
15K
1:02:04
9.32 mi
Rank: #5439 (+419)
10K → 15K
20:28 | 6:36/mi
20K
1:22:35
12.43 mi
Rank: #5137 (+302)
15K → 20K
20:31 | 6:37/mi
HALF
1:27:01
13.11 mi
Rank: #5080 (+57)
20K → HALF
4:26 | 6:31/mi
25K
1:43:01
15.53 mi
Rank: #4908 (+172)
HALF → 25K
16:00 | 6:36/mi
30K
2:03:23
18.64 mi
Rank: #4447 (+461)
25K → 30K
20:22 | 6:34/mi
20M
2:12:12
20.00 mi
Rank: #4239 (+208)
30K → 20M
8:49 | 6:30/mi
21M
2:19:00
21.00 mi
Rank: #4092 (+147)
20M → 21M
6:48 | 6:48/mi
35K
2:23:35
21.75 mi
Rank: #3949 (+143)
21M → 35K
4:35 | 6:08/mi
23M
2:31:35
23.00 mi
Rank: #3769 (+180)
35K → 23M
8:00 | 6:24/mi
24M
2:37:50
24.00 mi
Rank: #3638 (+131)
23M → 24M
6:15 | 6:15/mi
40K
2:43:11
24.85 mi
Rank: #3520 (+118)
24M → 40K
5:21 | 6:16/mi
25.2M
2:45:30
25.20 mi
Rank: #3449 (+71)
40K → 25.2M
2:19 | 6:44/mi
FINISH
2:51:37
26.22 mi
Rank: #3317 (+132)
25.2M → FINISH
6:07 | 6:01/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:27:01
Pace6:39 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:24:36
Pace6:28 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1920:496:4320:49
6:43
-
10K
6.21 mi10:46:0641:366:4220:47
6:42
-0:01
15K
9.32 mi11:06:341:02:046:4020:28
6:36
-0:06
20K
12.43 mi11:27:051:22:356:3920:31
6:37
+0:01
HALF
13.11 mi11:31:311:27:016:394:26
6:31
-0:06
25K
15.53 mi11:47:311:43:016:3816:00
6:36
+0:05
30K
18.64 mi12:07:532:03:236:3820:22
6:34
-0:02
20M
20.00 mi12:16:422:12:126:378:49
6:30
-0:04
21M
21.00 mi12:23:302:19:006:386:48
6:48
+0:18
35K
21.75 mi12:28:052:23:356:374:35
6:08
-0:40
23M
23.00 mi12:36:052:31:356:368:00
6:24
+0:16
24M
24.00 mi12:42:202:37:506:356:15
6:15
-0:09
40K
24.85 mi12:47:412:43:116:345:21
6:16
+0:01
25.2M
25.20 mi12:50:002:45:306:352:19
6:44
+0:28
FINISH
26.22 mi12:56:072:51:376:346:07
6:01
-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

6:01 /mi

Average Pace

6:33 /mi

Slowest Pace

6:48 /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

2:00:54

70% of race

Time at Steady Pace

50:43

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:33 /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 mi10:25:1920:496:4320:49
6:43
#5871
10K
6.21 mi10:46:0641:366:4220:47
6:42
#5858
15K
9.32 mi11:06:341:02:046:4020:28
6:36
#5439
20K
12.43 mi11:27:051:22:356:3920:31
6:37
#5137
HALF
13.11 mi11:31:311:27:016:394:26
6:31
#5080
25K
15.53 mi11:47:311:43:016:3816:00
6:36
#4908
30K
18.64 mi12:07:532:03:236:3820:22
6:34
#4447
20M
20.00 mi12:16:422:12:126:378:49
6:30
#4239
21M
21.00 mi12:23:302:19:006:386:48
6:48
#4092
35K
21.75 mi12:28:052:23:356:374:35
6:08
#3949
23M
23.00 mi12:36:052:31:356:368:00
6:24
#3769
24M
24.00 mi12:42:202:37:506:356:15
6:15
#3638
40K
24.85 mi12:47:412:43:116:345:21
6:16
#3520
25.2M
25.20 mi12:50:002:45:306:352:19
6:44
#3449
FINISH
26.22 mi12:56:072:51:376:346:07
6:01
#3317
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 mi5871537253724818(Top 17%)4504(Top 28%)4504(Top 205%)
10K6.21 mi3.10 mi5858+135362+105362+105811(Top 20%)5305(Top 32%)5305(Top 241%)
15K9.32 mi3.11 mi5439+4195037+3255037+3254818(Top 17%)4504(Top 28%)4504(Top 205%)
20K12.43 mi3.11 mi5137+3024779+2584779+2584441(Top 15%)4172(Top 26%)4172(Top 190%)
HALF13.11 mi0.68 mi5080+574731+484731+484355(Top 15%)4103(Top 25%)4103(Top 187%)
25K15.53 mi2.42 mi4908+1724580+1514580+1514086(Top 14%)3829(Top 23%)3829(Top 174%)
30K18.64 mi3.11 mi4447+4614182+3984182+3982875(Top 10%)2741(Top 17%)2741(Top 125%)
20M20.00 mi1.36 mi4239+2083984+1983984+1982403(Top 8%)2284(Top 14%)2284(Top 104%)
21M21.00 mi1.00 mi4092+1473846+1383846+1382478(Top 9%)2339(Top 14%)2339(Top 106%)
35K21.75 mi0.75 mi3949+1433718+1283718+1281731(Top 6%)1653(Top 10%)1653(Top 75%)
23M23.00 mi1.25 mi3769+1803553+1653553+1651946(Top 7%)1846(Top 11%)1846(Top 84%)
24M24.00 mi1.00 mi3638+1313441+1123441+1122002(Top 7%)1889(Top 12%)1889(Top 86%)
40K24.85 mi0.85 mi3520+1183332+1093332+1091595(Top 5%)1506(Top 9%)1506(Top 69%)
25.2M25.20 mi0.35 mi3449+713265+673265+671609(Top 6%)1515(Top 9%)1515(Top 69%)
FINISH26.22 mi1.02 mi3317+1323145+1203145+1201644(Top 6%)1543(Top 9%)1543(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21
+97ft-345ft

Overall

4818

Males

4504

M40-44

4504

5K→10K

3.1 - 6.2 mi

Top 20%
×5
+79ft-138ft

Overall

5811

Males

5305

M40-44

5305

10K→15K

6.2 - 9.3 mi

Top 17%
×3
+67ft-78ft

Overall

4818

Males

4504

M40-44

4504

15K→20K

9.3 - 12.4 mi

Top 15%
×5
+106ft-86ft

Overall

4441

Males

4172

M40-44

4172

20K→HALF

12.4 - 13.1 mi

Top 15%
×2
+19ft-37ft

Overall

4355

Males

4103

M40-44

4103

HALF→25K

13.1 - 15.5 mi

Top 14%
×4
+66ft-88ft

Overall

4086

Males

3829

M40-44

3829

25K→30K

15.5 - 18.6 mi

Top 10%
×9
+181ft-148ft

Overall

2875

Males

2741

M40-44

2741

30K→20M

18.6 - 20.0 mi

Top 8%
×5
+64ft-50ft

Overall

2403

Males

2284

M40-44

2284

20M→21M

20.0 - 21.0 mi

Top 9%
×8
+106ft-24ft

Overall

2478

Males

2339

M40-44

2339

21M→35K

21.0 - 21.8 mi

Top 6%
×7
+17ft-86ft

Overall

1731

Males

1653

M40-44

1653

35K→23M

21.8 - 23.0 mi

Top 7%
×5
+23ft-63ft

Overall

1946

Males

1846

M40-44

1846

23M→24M

23.0 - 24.0 mi

Top 7%
×6
+12ft-82ft

Overall

2002

Males

1889

M40-44

1889

24M→40K

24.0 - 24.9 mi

Top 5%
×1
+6ft-20ft

Overall

1595

Males

1506

M40-44

1506

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1
+13ft-16ft

Overall

1609

Males

1515

M40-44

1515

25.2M→FINISH

25.2 - 26.2 mi

Top 6%
×2
+22ft-21ft

Overall

1644

Males

1543

M40-44

1543

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2803*
Passed By
249
Net Change
+2554
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5871
5K → 10K207*194+13#5871#5858
10K → 15K430*11+419#5858#5439
15K → 20K311*9+302#5439#5137
20K → HALF570+57#5137#5080
HALF → 25K19220+172#5080#4908
25K → 30K463*2+461#4908#4447
30K → 20M209*1+208#4447#4239
20M → 21M1481+147#4239#4092
21M → 35K1463+143#4092#3949
35K → 23M1800+180#3949#3769
23M → 24M1343+131#3769#3638
24M → 40K1180+118#3638#3520
40K → 25.2M710+71#3520#3449
25.2M → FINISH1375+132#3449#3317
TOTALS2803*249+2554

* 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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