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BOSTON MARATHON 2026

Thomas Byrne

Bib: 6584•M

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 22%
Gender (Male)
#0 / 16340
Top 35%
Masters (Masters Men)
#0 / 10617
Top 21%
Age Group (M40-44)
#0 / 2198
Top 49%
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
21:28
3.11 mi
Rank: #7820
Start → 5K
21:28 | 6:55/mi
10K
42:40
6.21 mi
Rank: #7524 (+296)
5K → 10K
21:12 | 6:50/mi
15K
1:03:41
9.32 mi
Rank: #7172 (+352)
10K → 15K
21:01 | 6:46/mi
20K
1:24:50
12.43 mi
Rank: #6887 (+285)
15K → 20K
21:09 | 6:49/mi
HALF
1:29:24
13.11 mi
Rank: #6855 (+32)
20K → HALF
4:34 | 6:42/mi
25K
1:45:57
15.53 mi
Rank: #6689 (+166)
HALF → 25K
16:33 | 6:50/mi
30K
2:07:22
18.64 mi
Rank: #6351 (+338)
25K → 30K
21:25 | 6:54/mi
20M
2:17:02
20.00 mi
Rank: #6353 (-2)
30K → 20M
9:40 | 7:07/mi
21M
2:24:21
21.00 mi
Rank: #6259 (+94)
20M → 21M
7:19 | 7:19/mi
35K
2:29:25
21.75 mi
Rank: #6220 (+39)
21M → 35K
5:04 | 6:47/mi
23M
2:38:19
23.00 mi
Rank: #6200 (+20)
35K → 23M
8:54 | 7:07/mi
24M
2:45:25
24.00 mi
Rank: #6247 (-47)
23M → 24M
7:06 | 7:06/mi
40K
2:51:55
24.85 mi
Rank: #6314 (-67)
24M → 40K
6:30 | 7:37/mi
25.2M
2:54:48
25.20 mi
Rank: #6359 (-45)
40K → 25.2M
2:53 | 8:22/mi
FINISH
3:02:35
26.22 mi
Rank: #6487 (-128)
25.2M → FINISH
7:47 | 7:39/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
Time1:33:11
Pace7:07 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5821:286:5521:28
6:55
-
10K
6.21 mi10:47:1042:406:5221:12
6:50
-0:05
15K
9.32 mi11:08:111:03:416:5021:01
6:46
-0:04
20K
12.43 mi11:29:201:24:506:5021:09
6:49
+0:03
HALF
13.11 mi11:33:541:29:246:504:34
6:42
-0:07
25K
15.53 mi11:50:271:45:576:5016:33
6:50
+0:08
30K
18.64 mi12:11:522:07:226:5021:25
6:54
+0:04
20M
20.00 mi12:21:322:17:026:529:40
7:07
+0:13
21M
21.00 mi12:28:512:24:216:537:19
7:19
+0:12
35K
21.75 mi12:33:552:29:256:535:04
6:47
-0:32
23M
23.00 mi12:42:492:38:196:548:54
7:07
+0:20
24M
24.00 mi12:49:552:45:256:547:06
7:06
-0:01
40K
24.85 mi12:56:252:51:556:566:30
7:37
+0:31
25.2M
25.20 mi12:59:182:54:486:572:53
8:22
+0:45
FINISH
26.22 mi13:07:053:02:356:597:47
7:39
-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

6:42 /mi

Average Pace

6:58 /mi

Slowest Pace

8:22 /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

0:00

0% of race

Time at Steady Pace

2:38:06

87% of race

Time at Slower Pace

24:29

13% of race

Average Pace: 6:58 /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 mi10:25:5821:286:5521:28
6:55
#7820
10K
6.21 mi10:47:1042:406:5221:12
6:50
#7524
15K
9.32 mi11:08:111:03:416:5021:01
6:46
#7172
20K
12.43 mi11:29:201:24:506:5021:09
6:49
#6887
HALF
13.11 mi11:33:541:29:246:504:34
6:42
#6855
25K
15.53 mi11:50:271:45:576:5016:33
6:50
#6689
30K
18.64 mi12:11:522:07:226:5021:25
6:54
#6351
20M
20.00 mi12:21:322:17:026:529:40
7:07
#6353
21M
21.00 mi12:28:512:24:216:537:19
7:19
#6259
35K
21.75 mi12:33:552:29:256:535:04
6:47
#6220
23M
23.00 mi12:42:492:38:196:548:54
7:07
#6200
24M
24.00 mi12:49:552:45:256:547:06
7:06
#6247
40K
24.85 mi12:56:252:51:556:566:30
7:37
#6314
25.2M
25.20 mi12:59:182:54:486:572:53
8:22
#6359
FINISH
26.22 mi13:07:053:02:356:597:47
7:39
#6487
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 mi7820677967796472(Top 22%)5792(Top 35%)5792(Top 264%)
10K6.21 mi3.10 mi7524+2966567+2126567+2127207(Top 25%)6339(Top 39%)6339(Top 288%)
15K9.32 mi3.11 mi7172+3526323+2446323+2446472(Top 22%)5792(Top 35%)5792(Top 264%)
20K12.43 mi3.11 mi6887+2856101+2226101+2226282(Top 22%)5624(Top 34%)5624(Top 256%)
HALF13.11 mi0.68 mi6855+326083+186083+186157(Top 21%)5544(Top 34%)5544(Top 252%)
25K15.53 mi2.42 mi6689+1665958+1255958+1256023(Top 21%)5386(Top 33%)5386(Top 245%)
30K18.64 mi3.11 mi6351+3385678+2805678+2805114(Top 18%)4622(Top 28%)4622(Top 210%)
20M20.00 mi1.36 mi6353-25660+185660+186369(Top 22%)5491(Top 34%)5491(Top 250%)
21M21.00 mi1.00 mi6259+945585+755585+755373(Top 19%)4694(Top 29%)4694(Top 214%)
35K21.75 mi0.75 mi6220+395551+345551+345487(Top 19%)4812(Top 29%)4812(Top 219%)
23M23.00 mi1.25 mi6200+205531+205531+206208(Top 21%)5244(Top 32%)5244(Top 239%)
24M24.00 mi1.00 mi6247-475558-275558-277148(Top 25%)5773(Top 35%)5773(Top 263%)
40K24.85 mi0.85 mi6314-675598-405598-409543(Top 33%)6965(Top 43%)6965(Top 317%)
25.2M25.20 mi0.35 mi6359-455622-245622-2410594(Top 37%)7401(Top 45%)7401(Top 337%)
FINISH26.22 mi1.02 mi6487-1285696-745696-7412454(Top 43%)8297(Top 51%)8297(Top 377%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21
+97ft-345ft

Overall

6472

Males

5792

M40-44

5792

5K→10K

3.1 - 6.2 mi

Top 25%
×5
+79ft-138ft

Overall

7207

Males

6339

M40-44

6339

10K→15K

6.2 - 9.3 mi

Top 22%
×3
+67ft-78ft

Overall

6472

Males

5792

M40-44

5792

15K→20K

9.3 - 12.4 mi

Top 22%
×5
+106ft-86ft

Overall

6282

Males

5624

M40-44

5624

20K→HALF

12.4 - 13.1 mi

Top 21%
×2
+19ft-37ft

Overall

6157

Males

5544

M40-44

5544

HALF→25K

13.1 - 15.5 mi

Top 21%
×4
+66ft-88ft

Overall

6023

Males

5386

M40-44

5386

25K→30K

15.5 - 18.6 mi

Top 18%
×9
+181ft-148ft

Overall

5114

Males

4622

M40-44

4622

30K→20M

18.6 - 20.0 mi

Top 22%
×5
+64ft-50ft

Overall

6369

Males

5491

M40-44

5491

20M→21M

20.0 - 21.0 mi

Top 19%
×8
+106ft-24ft

Overall

5373

Males

4694

M40-44

4694

21M→35K

21.0 - 21.8 mi

Top 19%
×7
+17ft-86ft

Overall

5487

Males

4812

M40-44

4812

35K→23M

21.8 - 23.0 mi

Top 21%
×5
+23ft-63ft

Overall

6208

Males

5244

M40-44

5244

23M→24M

23.0 - 24.0 mi

Top 25%
×6
+12ft-82ft

Overall

7148

Males

5773

M40-44

5773

24M→40K

24.0 - 24.9 mi

Top 33%
×1
+6ft-20ft

Overall

9543

Males

6965

M40-44

6965

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1
+13ft-16ft

Overall

10594

Males

7401

M40-44

7401

25.2M→FINISH

25.2 - 26.2 mi

Top 43%
×2
+22ft-21ft

Overall

12454

Males

8297

M40-44

8297

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2142
Passed By
809
Net Change
+1333
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7820
5K → 10K39094+296#7820#7524
10K → 15K38129+352#7524#7172
15K → 20K32035+285#7172#6887
20K → HALF4715+32#6887#6855
HALF → 25K19630+166#6855#6689
25K → 30K35820+338#6689#6351
30K → 20M7981-2#6351#6353
20M → 21M11824+94#6353#6259
21M → 35K6324+39#6259#6220
35K → 23M8060+20#6220#6200
23M → 24M5299-47#6200#6247
24M → 40K33100-67#6247#6314
40K → 25.2M752-45#6314#6359
25.2M → FINISH18146-128#6359#6487
TOTALS2142809+1333
📊

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

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing