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BOSTON MARATHON 2026

Glen Thomson

Bib: 13563•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 18%
Gender (Male)
#0 / 16340
Top 29%
Masters (Masters Men)
#0 / 10617
Top 15%
Age Group (M50-54)
#0 / 1868
Top 10%
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
20:25
3.11 mi
Rank: #4774
Start → 5K
20:25 | 6:35/mi
10K
41:00
6.21 mi
Rank: #4966 (-192)
5K → 10K
20:35 | 6:38/mi
15K
1:01:52
9.32 mi
Rank: #5268 (-302)
10K → 15K
20:52 | 6:43/mi
20K
1:22:53
12.43 mi
Rank: #5361 (-93)
15K → 20K
21:01 | 6:46/mi
HALF
1:27:24
13.11 mi
Rank: #5352 (+9)
20K → HALF
4:31 | 6:38/mi
25K
1:43:42
15.53 mi
Rank: #5271 (+81)
HALF → 25K
16:18 | 6:44/mi
30K
2:05:24
18.64 mi
Rank: #5329 (-58)
25K → 30K
21:42 | 7:00/mi
20M
2:14:50
20.00 mi
Rank: #5300 (+29)
30K → 20M
9:26 | 6:57/mi
21M
2:22:21
21.00 mi
Rank: #5367 (-67)
20M → 21M
7:31 | 7:31/mi
35K
2:27:20
21.75 mi
Rank: #5321 (+46)
21M → 35K
4:59 | 6:40/mi
23M
2:36:11
23.00 mi
Rank: #5336 (-15)
35K → 23M
8:51 | 7:05/mi
24M
2:43:01
24.00 mi
Rank: #5308 (+28)
23M → 24M
6:50 | 6:50/mi
40K
2:48:57
24.85 mi
Rank: #5276 (+32)
24M → 40K
5:56 | 6:57/mi
25.2M
2:51:42
25.20 mi
Rank: #5339 (-63)
40K → 25.2M
2:45 | 7:59/mi
FINISH
2:58:33
26.22 mi
Rank: #5311 (+28)
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
Time1:27:24
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:31:09
Pace6:58 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2920:256:3520:25
6:35
-
10K
6.21 mi11:10:0441:006:3620:35
6:38
+0:03
15K
9.32 mi11:30:561:01:526:3920:52
6:43
+0:05
20K
12.43 mi11:51:571:22:536:4121:01
6:46
+0:03
HALF
13.11 mi11:56:281:27:246:414:31
6:38
-0:08
25K
15.53 mi12:12:461:43:426:4116:18
6:44
+0:06
30K
18.64 mi12:34:282:05:246:4421:42
7:00
+0:16
20M
20.00 mi12:43:542:14:506:459:26
6:57
-0:03
21M
21.00 mi12:51:252:22:216:477:31
7:31
+0:34
35K
21.75 mi12:56:242:27:206:474:59
6:40
-0:51
23M
23.00 mi13:05:152:36:116:488:51
7:05
+0:25
24M
24.00 mi13:12:052:43:016:486:50
6:50
-0:15
40K
24.85 mi13:18:012:48:576:485:56
6:57
+0:07
25.2M
25.20 mi13:20:462:51:426:492:45
7:59
+1:02
FINISH
26.22 mi13:27:372:58:336:496:51
6:44
-1:15

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

6:35 /mi

Average Pace

6:49 /mi

Slowest Pace

7:59 /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

20:25

11% of race

Time at Steady Pace

1:41:57

57% of race

Time at Slower Pace

56:11

31% of race

Average Pace: 6:49 /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 mi10:49:2920:256:3520:25
6:35
#4774
10K
6.21 mi11:10:0441:006:3620:35
6:38
#4966
15K
9.32 mi11:30:561:01:526:3920:52
6:43
#5268
20K
12.43 mi11:51:571:22:536:4121:01
6:46
#5361
HALF
13.11 mi11:56:281:27:246:414:31
6:38
#5352
25K
15.53 mi12:12:461:43:426:4116:18
6:44
#5271
30K
18.64 mi12:34:282:05:246:4421:42
7:00
#5329
20M
20.00 mi12:43:542:14:506:459:26
6:57
#5300
21M
21.00 mi12:51:252:22:216:477:31
7:31
#5367
35K
21.75 mi12:56:242:27:206:474:59
6:40
#5321
23M
23.00 mi13:05:152:36:116:488:51
7:05
#5336
24M
24.00 mi13:12:052:43:016:486:50
6:50
#5308
40K
24.85 mi13:18:012:48:576:485:56
6:57
#5276
25.2M
25.20 mi13:20:462:51:426:492:45
7:59
#5339
FINISH
26.22 mi13:27:372:58:336:496:51
6:44
#5311
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4774447044705979(Top 21%)5414(Top 33%)5414(Top 290%)
10K6.21 mi3.10 mi4966-1924641-1714641-1715224(Top 18%)4847(Top 30%)4847(Top 259%)
15K9.32 mi3.11 mi5268-3024892-2514892-2515979(Top 21%)5414(Top 33%)5414(Top 290%)
20K12.43 mi3.11 mi5361-934963-714963-715821(Top 20%)5273(Top 32%)5273(Top 282%)
HALF13.11 mi0.68 mi5352+94951+124951+125468(Top 19%)4999(Top 31%)4999(Top 268%)
25K15.53 mi2.42 mi5271+814883+684883+685080(Top 18%)4652(Top 28%)4652(Top 249%)
30K18.64 mi3.11 mi5329-584914-314914-315764(Top 20%)5127(Top 31%)5127(Top 274%)
20M20.00 mi1.36 mi5300+294879+354879+355155(Top 18%)4606(Top 28%)4606(Top 247%)
21M21.00 mi1.00 mi5367-674915-364915-366553(Top 23%)5475(Top 34%)5475(Top 293%)
35K21.75 mi0.75 mi5321+464876+394876+394671(Top 16%)4165(Top 25%)4165(Top 223%)
23M23.00 mi1.25 mi5336-154869+74869+75912(Top 20%)5040(Top 31%)5040(Top 270%)
24M24.00 mi1.00 mi5308+284835+344835+345360(Top 18%)4593(Top 28%)4593(Top 246%)
40K24.85 mi0.85 mi5276+324798+374798+375128(Top 18%)4372(Top 27%)4372(Top 234%)
25.2M25.20 mi0.35 mi5339-634842-444842-448086(Top 28%)6121(Top 37%)6121(Top 328%)
FINISH26.22 mi1.02 mi5311+284804+384804+385579(Top 19%)4593(Top 28%)4593(Top 246%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21
+97ft-345ft

Overall

5979

Males

5414

M50-54

5414

5K→10K

3.1 - 6.2 mi

Top 18%
×5
+79ft-138ft

Overall

5224

Males

4847

M50-54

4847

10K→15K

6.2 - 9.3 mi

Top 21%
×3
+67ft-78ft

Overall

5979

Males

5414

M50-54

5414

15K→20K

9.3 - 12.4 mi

Top 20%
×5
+106ft-86ft

Overall

5821

Males

5273

M50-54

5273

20K→HALF

12.4 - 13.1 mi

Top 19%
×2
+19ft-37ft

Overall

5468

Males

4999

M50-54

4999

HALF→25K

13.1 - 15.5 mi

Top 18%
×4
+66ft-88ft

Overall

5080

Males

4652

M50-54

4652

25K→30K

15.5 - 18.6 mi

Top 20%
×9
+181ft-148ft

Overall

5764

Males

5127

M50-54

5127

30K→20M

18.6 - 20.0 mi

Top 18%
×5
+64ft-50ft

Overall

5155

Males

4606

M50-54

4606

20M→21M

20.0 - 21.0 mi

Top 23%
×8
+106ft-24ft

Overall

6553

Males

5475

M50-54

5475

21M→35K

21.0 - 21.8 mi

Top 16%
×7
+17ft-86ft

Overall

4671

Males

4165

M50-54

4165

35K→23M

21.8 - 23.0 mi

Top 20%
×5
+23ft-63ft

Overall

5912

Males

5040

M50-54

5040

23M→24M

23.0 - 24.0 mi

Top 18%
×6
+12ft-82ft

Overall

5360

Males

4593

M50-54

4593

24M→40K

24.0 - 24.9 mi

Top 18%
×1
+6ft-20ft

Overall

5128

Males

4372

M50-54

4372

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1
+13ft-16ft

Overall

8086

Males

6121

M50-54

6121

25.2M→FINISH

25.2 - 26.2 mi

Top 19%
×2
+22ft-21ft

Overall

5579

Males

4593

M50-54

4593

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
953
Passed By
1490
Net Change
-537
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4774
5K → 10K92284-192#4774#4966
10K → 15K39341-302#4966#5268
15K → 20K75168-93#5268#5361
20K → HALF2819+9#5361#5352
HALF → 25K12544+81#5352#5271
25K → 30K113171-58#5271#5329
30K → 20M7647+29#5329#5300
20M → 21M43110-67#5300#5367
21M → 35K6620+46#5367#5321
35K → 23M7388-15#5321#5336
23M → 24M6840+28#5336#5308
24M → 40K7442+32#5308#5276
40K → 25.2M1174-63#5276#5339
25.2M → FINISH7042+28#5339#5311
TOTALS9531490-537
📊

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