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BOSTON MARATHON 2026

Tom Byers

Bib: 7509•M

NY

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 17%
Gender (Male)
#0 / 16340
Top 28%
Masters (Masters Men)
#0 / 10617
Top 13%
Age Group (M40-44)
#0 / 2198
Top 35%
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
19:56
3.11 mi
Rank: #3592
Start → 5K
19:56 | 6:25/mi
10K
40:44
6.21 mi
Rank: #4640 (-1048)
5K → 10K
20:48 | 6:42/mi
15K
1:00:51
9.32 mi
Rank: #4408 (+232)
10K → 15K
20:07 | 6:29/mi
20K
1:21:17
12.43 mi
Rank: #4349 (+59)
15K → 20K
20:26 | 6:35/mi
HALF
1:25:43
13.11 mi
Rank: #4349
20K → HALF
4:26 | 6:31/mi
25K
1:41:58
15.53 mi
Rank: #4405 (-56)
HALF → 25K
16:15 | 6:43/mi
30K
2:03:20
18.64 mi
Rank: #4430 (-25)
25K → 30K
21:22 | 6:53/mi
20M
2:12:46
20.00 mi
Rank: #4437 (-7)
30K → 20M
9:26 | 6:57/mi
21M
2:20:16
21.00 mi
Rank: #4526 (-89)
20M → 21M
7:30 | 7:30/mi
35K
2:25:30
21.75 mi
Rank: #4611 (-85)
21M → 35K
5:14 | 7:00/mi
23M
2:34:47
23.00 mi
Rank: #4817 (-206)
35K → 23M
9:17 | 7:26/mi
24M
2:42:02
24.00 mi
Rank: #4944 (-127)
23M → 24M
7:15 | 7:15/mi
40K
2:48:00
24.85 mi
Rank: #4924 (+20)
24M → 40K
5:58 | 6:59/mi
25.2M
2:50:39
25.20 mi
Rank: #4943 (-19)
40K → 25.2M
2:39 | 7:42/mi
FINISH
2:57:30
26.22 mi
Rank: #4951 (-8)
25.2M → FINISH
6:51 | 6:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:25:43
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:31:47
Pace7:01 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4719:566:2519:56
6:25
-
10K
6.21 mi10:46:3540:446:3420:48
6:42
+0:17
15K
9.32 mi11:06:421:00:516:3220:07
6:29
-0:13
20K
12.43 mi11:27:081:21:176:3320:26
6:35
+0:06
HALF
13.11 mi11:31:341:25:436:334:26
6:31
-0:04
25K
15.53 mi11:47:491:41:586:3416:15
6:43
+0:12
30K
18.64 mi12:09:112:03:206:3721:22
6:53
+0:10
20M
20.00 mi12:18:372:12:466:399:26
6:57
+0:04
21M
21.00 mi12:26:072:20:166:417:30
7:30
+0:33
35K
21.75 mi12:31:212:25:306:425:14
7:00
-0:30
23M
23.00 mi12:40:382:34:476:449:17
7:26
+0:26
24M
24.00 mi12:47:532:42:026:467:15
7:15
-0:11
40K
24.85 mi12:53:512:48:006:465:58
6:59
-0:16
25.2M
25.20 mi12:56:302:50:396:472:39
7:42
+0:43
FINISH
26.22 mi13:03:212:57:306:476:51
6:44
-0:58

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

6:25 /mi

Average Pace

6:46 /mi

Slowest Pace

7:42 /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

1:04:55

37% of race

Time at Steady Pace

1:25:54

48% of race

Time at Slower Pace

26:41

15% of race

Average Pace: 6:46 /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 mi10:25:4719:566:2519:56
6:25
#3592
10K
6.21 mi10:46:3540:446:3420:48
6:42
#4640
15K
9.32 mi11:06:421:00:516:3220:07
6:29
#4408
20K
12.43 mi11:27:081:21:176:3320:26
6:35
#4349
HALF
13.11 mi11:31:341:25:436:334:26
6:31
#4349
25K
15.53 mi11:47:491:41:586:3416:15
6:43
#4405
30K
18.64 mi12:09:112:03:206:3721:22
6:53
#4430
20M
20.00 mi12:18:372:12:466:399:26
6:57
#4437
21M
21.00 mi12:26:072:20:166:417:30
7:30
#4526
35K
21.75 mi12:31:212:25:306:425:14
7:00
#4611
23M
23.00 mi12:40:382:34:476:449:17
7:26
#4817
24M
24.00 mi12:47:532:42:026:467:15
7:15
#4944
40K
24.85 mi12:53:512:48:006:465:58
6:59
#4924
25.2M
25.20 mi12:56:302:50:396:472:39
7:42
#4943
FINISH
26.22 mi13:03:212:57:306:476:51
6:44
#4951
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 mi3592341934194047(Top 14%)3843(Top 24%)3843(Top 175%)
10K6.21 mi3.10 mi4640-10484358-9394358-9395878(Top 20%)5357(Top 33%)5357(Top 244%)
15K9.32 mi3.11 mi4408+2324167+1914167+1914047(Top 14%)3843(Top 24%)3843(Top 175%)
20K12.43 mi3.11 mi4349+594109+584109+584274(Top 15%)4030(Top 25%)4030(Top 183%)
HALF13.11 mi0.68 mi43494108+14108+14435(Top 15%)4183(Top 26%)4183(Top 190%)
25K15.53 mi2.42 mi4405-564147-394147-394906(Top 17%)4522(Top 28%)4522(Top 206%)
30K18.64 mi3.11 mi4430-254168-214168-214973(Top 17%)4502(Top 28%)4502(Top 205%)
20M20.00 mi1.36 mi4437-74164+44164+45141(Top 18%)4592(Top 28%)4592(Top 209%)
21M21.00 mi1.00 mi4526-894231-674231-676436(Top 22%)5401(Top 33%)5401(Top 246%)
35K21.75 mi0.75 mi4611-854295-644295-646974(Top 24%)5776(Top 35%)5776(Top 263%)
23M23.00 mi1.25 mi4817-2064452-1574452-1578229(Top 28%)6452(Top 39%)6452(Top 294%)
24M24.00 mi1.00 mi4944-1274547-954547-958170(Top 28%)6328(Top 39%)6328(Top 288%)
40K24.85 mi0.85 mi4924+204513+344513+345349(Top 18%)4526(Top 28%)4526(Top 206%)
25.2M25.20 mi0.35 mi4943-194519-64519-66258(Top 22%)5061(Top 31%)5061(Top 230%)
FINISH26.22 mi1.02 mi4951-84508+114508+115571(Top 19%)4585(Top 28%)4585(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21
+97ft-345ft

Overall

4047

Males

3843

M40-44

3843

5K→10K

3.1 - 6.2 mi

Top 20%
×5
+79ft-138ft

Overall

5878

Males

5357

M40-44

5357

10K→15K

6.2 - 9.3 mi

Top 14%
×3
+67ft-78ft

Overall

4047

Males

3843

M40-44

3843

15K→20K

9.3 - 12.4 mi

Top 15%
×5
+106ft-86ft

Overall

4274

Males

4030

M40-44

4030

20K→HALF

12.4 - 13.1 mi

Top 15%
×2
+19ft-37ft

Overall

4435

Males

4183

M40-44

4183

HALF→25K

13.1 - 15.5 mi

Top 17%
×4
+66ft-88ft

Overall

4906

Males

4522

M40-44

4522

25K→30K

15.5 - 18.6 mi

Top 17%
×9
+181ft-148ft

Overall

4973

Males

4502

M40-44

4502

30K→20M

18.6 - 20.0 mi

Top 18%
×5
+64ft-50ft

Overall

5141

Males

4592

M40-44

4592

20M→21M

20.0 - 21.0 mi

Top 22%
×8
+106ft-24ft

Overall

6436

Males

5401

M40-44

5401

21M→35K

21.0 - 21.8 mi

Top 24%
×7
+17ft-86ft

Overall

6974

Males

5776

M40-44

5776

35K→23M

21.8 - 23.0 mi

Top 28%
×5
+23ft-63ft

Overall

8229

Males

6452

M40-44

6452

23M→24M

23.0 - 24.0 mi

Top 28%
×6
+12ft-82ft

Overall

8170

Males

6328

M40-44

6328

24M→40K

24.0 - 24.9 mi

Top 18%
×1
+6ft-20ft

Overall

5349

Males

4526

M40-44

4526

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1
+13ft-16ft

Overall

6258

Males

5061

M40-44

5061

25.2M→FINISH

25.2 - 26.2 mi

Top 19%
×2
+22ft-21ft

Overall

5571

Males

4585

M40-44

4585

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
874
Passed By
2233
Net Change
-1359
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3592
5K → 10K91057-1048#3592#4640
10K → 15K26735+232#4640#4408
15K → 20K12162+59#4408#4349
20K → HALF17170#4349#4349
HALF → 25K54110-56#4349#4405
25K → 30K103128-25#4405#4430
30K → 20M6067-7#4430#4437
20M → 21M31120-89#4437#4526
21M → 35K17102-85#4526#4611
35K → 23M32238-206#4611#4817
23M → 24M31158-127#4817#4944
24M → 40K6747+20#4944#4924
40K → 25.2M1433-19#4924#4943
25.2M → FINISH5159-8#4943#4951
TOTALS8742233-1359
📊

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