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BOSTON MARATHON 2026

Thomas Sinclair

Bib: 23775•M

Masters
Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M65-69)
#0 / 774
Top 30%
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
26:12
3.11 mi
Rank: #19695
Start → 5K
26:12 | 8:26/mi
10K
53:30
6.21 mi
Rank: #20810 (-1115)
5K → 10K
27:18 | 8:48/mi
15K
1:20:56
9.32 mi
Rank: #21189 (-379)
10K → 15K
27:26 | 8:50/mi
20K
1:48:01
12.43 mi
Rank: #20992 (+197)
15K → 20K
27:05 | 8:44/mi
HALF
1:53:45
13.11 mi
Rank: #20940 (+52)
20K → HALF
5:44 | 8:25/mi
25K
2:15:03
15.53 mi
Rank: #20795 (+145)
HALF → 25K
21:18 | 8:47/mi
30K
2:43:01
18.64 mi
Rank: #20577 (+218)
25K → 30K
27:58 | 9:01/mi
20M
2:55:17
20.00 mi
Rank: #20442 (+135)
30K → 20M
12:16 | 9:02/mi
21M
3:04:50
21.00 mi
Rank: #20346 (+96)
20M → 21M
9:33 | 9:33/mi
35K
3:11:21
21.75 mi
Rank: #20298 (+48)
21M → 35K
6:31 | 8:43/mi
23M
3:22:32
23.00 mi
Rank: #20175 (+123)
35K → 23M
11:11 | 8:57/mi
24M
3:31:56
24.00 mi
Rank: #20219 (-44)
23M → 24M
9:24 | 9:24/mi
40K
3:39:36
24.85 mi
Rank: #20143 (+76)
24M → 40K
7:40 | 8:59/mi
25.2M
3:42:51
25.20 mi
Rank: #20097 (+46)
40K → 25.2M
3:15 | 9:26/mi
FINISH
3:51:50
26.22 mi
Rank: #20077 (+20)
25.2M → FINISH
8:59 | 8:49/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:45
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time1:58:05
Pace9:01 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:1626:128:2626:12
8:26
-
10K
6.21 mi11:56:3453:308:3727:18
8:48
+0:22
15K
9.32 mi12:24:001:20:568:4127:26
8:50
+0:02
20K
12.43 mi12:51:051:48:018:4227:05
8:44
-0:06
HALF
13.11 mi12:56:491:53:458:415:44
8:25
-0:19
25K
15.53 mi13:18:072:15:038:4221:18
8:47
+0:22
30K
18.64 mi13:46:052:43:018:4527:58
9:01
+0:14
20M
20.00 mi13:58:212:55:178:4612:16
9:02
+0:01
21M
21.00 mi14:07:543:04:508:499:33
9:33
+0:31
35K
21.75 mi14:14:253:11:218:486:31
8:43
-0:50
23M
23.00 mi14:25:363:22:328:4911:11
8:57
+0:14
24M
24.00 mi14:35:003:31:568:509:24
9:24
+0:27
40K
24.85 mi14:42:403:39:368:517:40
8:59
-0:25
25.2M
25.20 mi14:45:553:42:518:513:15
9:26
+0:27
FINISH
26.22 mi14:54:543:51:508:518:59
8:49
-0:37

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

8:25 /mi

Average Pace

8:51 /mi

Slowest Pace

9:33 /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

3:29:38

90% of race

Time at Steady Pace

22:12

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:51 /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 mi11:29:1626:128:2626:12
8:26
#19695
10K
6.21 mi11:56:3453:308:3727:18
8:48
#20810
15K
9.32 mi12:24:001:20:568:4127:26
8:50
#21189
20K
12.43 mi12:51:051:48:018:4227:05
8:44
#20992
HALF
13.11 mi12:56:491:53:458:415:44
8:25
#20940
25K
15.53 mi13:18:072:15:038:4221:18
8:47
#20795
30K
18.64 mi13:46:052:43:018:4527:58
9:01
#20577
20M
20.00 mi13:58:212:55:178:4612:16
9:02
#20442
21M
21.00 mi14:07:543:04:508:499:33
9:33
#20346
35K
21.75 mi14:14:253:11:218:486:31
8:43
#20298
23M
23.00 mi14:25:363:22:328:4911:11
8:57
#20175
24M
24.00 mi14:35:003:31:568:509:24
9:24
#20219
40K
24.85 mi14:42:403:39:368:517:40
8:59
#20143
25.2M
25.20 mi14:45:553:42:518:513:15
9:26
#20097
FINISH
26.22 mi14:54:543:51:508:518:59
8:49
#20077
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 mi19695121421214221870(Top 75%)13198(Top 81%)13198(Top 1705%)
10K6.21 mi3.10 mi20810-111512666-52412666-52421843(Top 75%)13177(Top 81%)13177(Top 1702%)
15K9.32 mi3.11 mi21189-37912852-18612852-18621870(Top 75%)13198(Top 81%)13198(Top 1705%)
20K12.43 mi3.11 mi20992+19712758+9412758+9420532(Top 71%)12535(Top 77%)12535(Top 1620%)
HALF13.11 mi0.68 mi20940+5212731+2712731+2719692(Top 68%)12195(Top 75%)12195(Top 1576%)
25K15.53 mi2.42 mi20795+14512652+7912652+7920144(Top 69%)12322(Top 75%)12322(Top 1592%)
30K18.64 mi3.11 mi20577+21812528+12412528+12419582(Top 67%)11979(Top 73%)11979(Top 1548%)
20M20.00 mi1.36 mi20442+13512461+6712461+6719072(Top 66%)11683(Top 71%)11683(Top 1509%)
21M21.00 mi1.00 mi20346+9612400+6112400+6118708(Top 64%)11475(Top 70%)11475(Top 1483%)
35K21.75 mi0.75 mi20298+4812371+2912371+2918664(Top 64%)11362(Top 70%)11362(Top 1468%)
23M23.00 mi1.25 mi20175+12312294+7712294+7718183(Top 63%)11069(Top 68%)11069(Top 1430%)
24M24.00 mi1.00 mi20219-4412300-612300-620975(Top 72%)12370(Top 76%)12370(Top 1598%)
40K24.85 mi0.85 mi20143+7612236+6412236+6418228(Top 63%)11007(Top 67%)11007(Top 1422%)
25.2M25.20 mi0.35 mi20097+4612211+2512211+2516920(Top 58%)10407(Top 64%)10407(Top 1345%)
FINISH26.22 mi1.02 mi20077+2012181+3012181+3019693(Top 68%)11694(Top 72%)11694(Top 1511%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21
+97ft-345ft

Overall

21870

Males

13198

M65-69

13198

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21843

Males

13177

M65-69

13177

10K→15K

6.2 - 9.3 mi

Top 75%
×3
+67ft-78ft

Overall

21870

Males

13198

M65-69

13198

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20532

Males

12535

M65-69

12535

20K→HALF

12.4 - 13.1 mi

Top 68%
×2
+19ft-37ft

Overall

19692

Males

12195

M65-69

12195

HALF→25K

13.1 - 15.5 mi

Top 69%
×4
+66ft-88ft

Overall

20144

Males

12322

M65-69

12322

25K→30K

15.5 - 18.6 mi

Top 67%
×9
+181ft-148ft

Overall

19582

Males

11979

M65-69

11979

30K→20M

18.6 - 20.0 mi

Top 66%
×5
+64ft-50ft

Overall

19072

Males

11683

M65-69

11683

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18708

Males

11475

M65-69

11475

21M→35K

21.0 - 21.8 mi

Top 64%
×7
+17ft-86ft

Overall

18664

Males

11362

M65-69

11362

35K→23M

21.8 - 23.0 mi

Top 63%
×5
+23ft-63ft

Overall

18183

Males

11069

M65-69

11069

23M→24M

23.0 - 24.0 mi

Top 72%
×6
+12ft-82ft

Overall

20975

Males

12370

M65-69

12370

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18228

Males

11007

M65-69

11007

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16920

Males

10407

M65-69

10407

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19693

Males

11694

M65-69

11694

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1675
Passed By
2057
Net Change
-382
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19695
5K → 10K431158-1115#19695#20810
10K → 15K83462-379#20810#21189
15K → 20K26164+197#21189#20992
20K → HALF608+52#20992#20940
HALF → 25K18843+145#20940#20795
25K → 30K27961+218#20795#20577
30K → 20M16126+135#20577#20442
20M → 21M13640+96#20442#20346
21M → 35K6618+48#20346#20298
35K → 23M13916+123#20298#20175
23M → 24M4387-44#20175#20219
24M → 40K10529+76#20219#20143
40K → 25.2M471+46#20143#20097
25.2M → FINISH6444+20#20097#20077
TOTALS16752057-382
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing