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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Thomas Brennan

Bib: 21234 •M •Age: N/A

MN

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 (M65-69)
#0 / 774
Top 12%
Race Day Weather
51°/41°F
overcast clouds
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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
24:48
3.11 mi
Rank: #16813
Start → 5K
24:48 | 7:59/mi
10K
48:59
6.21 mi
Rank: #16154 (+659)
5K → 10K
24:11 | 7:48/mi
15K
1:13:26
9.32 mi
Rank: #16078 (+76)
10K → 15K
24:27 | 7:53/mi
20K
1:38:17
12.43 mi
Rank: #16079 (-1)
15K → 20K
24:51 | 8:00/mi
HALF
1:43:40
13.11 mi
Rank: #16090 (-11)
20K → HALF
5:23 | 7:54/mi
25K
2:03:09
15.53 mi
Rank: #15996 (+94)
HALF → 25K
19:29 | 8:03/mi
30K
2:28:38
18.64 mi
Rank: #15789 (+207)
25K → 30K
25:29 | 8:13/mi
20M
2:39:51
20.00 mi
Rank: #15675 (+114)
30K → 20M
11:13 | 8:16/mi
21M
2:49:40
21.00 mi
Rank: #15969 (-294)
20M → 21M
9:49 | 9:49/mi
35K
2:55:38
21.75 mi
Rank: #15880 (+89)
21M → 35K
5:58 | 7:59/mi
23M
3:07:39
23.00 mi
Rank: #16257 (-377)
35K → 23M
12:01 | 9:37/mi
24M
3:16:25
24.00 mi
Rank: #16348 (-91)
23M → 24M
8:46 | 8:46/mi
40K
3:24:57
24.85 mi
Rank: #16660 (-312)
24M → 40K
8:32 | 9:59/mi
25.2M
3:28:10
25.20 mi
Rank: #16652 (+8)
40K → 25.2M
3:13 | 9:20/mi
FINISH
3:36:33
26.22 mi
Rank: #16624 (+28)
25.2M → FINISH
8:23 | 8:14/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:40
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:52:53
Pace8:37 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:2224:487:5924:48
7:59
-
10K
6.21 mi11:34:3348:597:5324:11
7:48
-0:11
15K
9.32 mi11:59:001:13:267:5324:27
7:53
+0:05
20K
12.43 mi12:23:511:38:177:5524:51
8:00
+0:07
HALF
13.11 mi12:29:141:43:407:555:23
7:54
-0:06
25K
15.53 mi12:48:432:03:097:5619:29
8:03
+0:09
30K
18.64 mi13:14:122:28:387:5925:29
8:13
+0:10
20M
20.00 mi13:25:252:39:518:0011:13
8:16
+0:03
21M
21.00 mi13:35:142:49:408:059:49
9:49
+1:33
35K
21.75 mi13:41:122:55:388:055:58
7:59
-1:50
23M
23.00 mi13:53:133:07:398:1012:01
9:37
+1:38
24M
24.00 mi14:01:593:16:258:128:46
8:46
-0:51
40K
24.85 mi14:10:313:24:578:158:32
9:59
+1:13
25.2M
25.20 mi14:13:443:28:108:163:13
9:20
-0:39
FINISH
26.22 mi14:22:073:36:338:168:23
8:14
-1:06

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

7:48 /mi

Average Pace

8:16 /mi

Slowest Pace

9:59 /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

24:11

11% of race

Time at Steady Pace

2:30:01

69% of race

Time at Slower Pace

42:21

20% of race

Average Pace: 8:16 /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 mi11:10:2224:487:5924:48
7:59
#16813
10K
6.21 mi11:34:3348:597:5324:11
7:48
#16154
15K
9.32 mi11:59:001:13:267:5324:27
7:53
#16078
20K
12.43 mi12:23:511:38:177:5524:51
8:00
#16079
HALF
13.11 mi12:29:141:43:407:555:23
7:54
#16090
25K
15.53 mi12:48:432:03:097:5619:29
8:03
#15996
30K
18.64 mi13:14:122:28:387:5925:29
8:13
#15789
20M
20.00 mi13:25:252:39:518:0011:13
8:16
#15675
21M
21.00 mi13:35:142:49:408:059:49
9:49
#15969
35K
21.75 mi13:41:122:55:388:055:58
7:59
#15880
23M
23.00 mi13:53:133:07:398:1012:01
9:37
#16257
24M
24.00 mi14:01:593:16:258:128:46
8:46
#16348
40K
24.85 mi14:10:313:24:578:158:32
9:59
#16660
25.2M
25.20 mi14:13:443:28:108:163:13
9:20
#16652
FINISH
26.22 mi14:22:073:36:338:168:23
8:14
#16624
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi16813109361093615913(Top 55%)10550(Top 65%)10550(Top 1363%)
10K6.21 mi3.10 mi16154+65910654+28210654+28215474(Top 53%)10415(Top 64%)10415(Top 1346%)
15K9.32 mi3.11 mi16078+7610632+2210632+2215913(Top 55%)10550(Top 65%)10550(Top 1363%)
20K12.43 mi3.11 mi16079-110610+2210610+2216107(Top 56%)10603(Top 65%)10603(Top 1370%)
HALF13.11 mi0.68 mi16090-1110612-210612-216284(Top 56%)10718(Top 66%)10718(Top 1385%)
25K15.53 mi2.42 mi15996+9410562+5010562+5015654(Top 54%)10369(Top 63%)10369(Top 1340%)
30K18.64 mi3.11 mi15789+20710443+11910443+11914939(Top 51%)9953(Top 61%)9953(Top 1286%)
20M20.00 mi1.36 mi15675+11410384+5910384+5914629(Top 50%)9746(Top 60%)9746(Top 1259%)
21M21.00 mi1.00 mi15969-29410485-10110485-10119789(Top 68%)11970(Top 73%)11970(Top 1547%)
35K21.75 mi0.75 mi15880+8910436+4910436+4914310(Top 49%)9476(Top 58%)9476(Top 1224%)
23M23.00 mi1.25 mi16257-37710565-12910565-12920913(Top 72%)12411(Top 76%)12411(Top 1603%)
24M24.00 mi1.00 mi16348-9110585-2010585-2018345(Top 63%)11112(Top 68%)11112(Top 1436%)
40K24.85 mi0.85 mi16660-31210707-12210707-12221842(Top 75%)12734(Top 78%)12734(Top 1645%)
25.2M25.20 mi0.35 mi16652+810691+1610691+1616429(Top 57%)10176(Top 62%)10176(Top 1315%)
FINISH26.22 mi1.02 mi16624+2810661+3010661+3016556(Top 57%)10244(Top 63%)10244(Top 1324%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

15913

Males

10550

M65-69

10550

5K→10K

3.1 - 6.2 mi

Top 53%
×5
+79ft-138ft

Overall

15474

Males

10415

M65-69

10415

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

15913

Males

10550

M65-69

10550

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16107

Males

10603

M65-69

10603

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16284

Males

10718

M65-69

10718

HALF→25K

13.1 - 15.5 mi

Top 54%
×4
+66ft-88ft

Overall

15654

Males

10369

M65-69

10369

25K→30K

15.5 - 18.6 mi

Top 51%
×9
+181ft-148ft

Overall

14939

Males

9953

M65-69

9953

30K→20M

18.6 - 20.0 mi

Top 50%
×5
+64ft-50ft

Overall

14629

Males

9746

M65-69

9746

20M→21M

20.0 - 21.0 mi

Top 68%
×8
+106ft-24ft

Overall

19789

Males

11970

M65-69

11970

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14310

Males

9476

M65-69

9476

35K→23M

21.8 - 23.0 mi

Top 72%
×5
+23ft-63ft

Overall

20913

Males

12411

M65-69

12411

23M→24M

23.0 - 24.0 mi

Top 63%
×6
+12ft-82ft

Overall

18345

Males

11112

M65-69

11112

24M→40K

24.0 - 24.9 mi

Top 75%
×1
+6ft-20ft

Overall

21842

Males

12734

M65-69

12734

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1
+13ft-16ft

Overall

16429

Males

10176

M65-69

10176

25.2M→FINISH

25.2 - 26.2 mi

Top 57%
×2
+22ft-21ft

Overall

16556

Males

10244

M65-69

10244

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2183*
Passed By
1518
Net Change
+189
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16813
5K → 10K752*93+659#16813#16154
10K → 15K241*165+76#16154#16078
15K → 20K181182-1#16078#16079
20K → HALF2940-11#16079#16090
HALF → 25K195101+94#16090#15996
25K → 30K291*84+207#15996#15789
30K → 20M13925+114#15789#15675
20M → 21M39200-294#15675#15969
21M → 35K10718+89#15969#15880
35K → 23M33200-377#15880#16257
23M → 24M42133-91#16257#16348
24M → 40K21200-312#16348#16660
40K → 25.2M3022+8#16660#16652
25.2M → FINISH8355+28#16652#16624
TOTALS2183*1518+189

* 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

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OTQ

Olympic Trials Qualifying analysis available

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