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BOSTON MARATHON 2026

Sean Nguyen

Bib: 15159•M

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 46%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 49%
Age Group (M50-54)
#0 / 1868
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
24:07
3.11 mi
Rank: #15095
Start → 5K
24:07 | 7:46/mi
10K
48:07
6.21 mi
Rank: #15000 (+95)
5K → 10K
24:00 | 7:44/mi
15K
1:11:32
9.32 mi
Rank: #14316 (+684)
10K → 15K
23:25 | 7:33/mi
20K
1:35:05
12.43 mi
Rank: #13867 (+449)
15K → 20K
23:33 | 7:35/mi
HALF
1:40:09
13.11 mi
Rank: #13778 (+89)
20K → HALF
5:04 | 7:26/mi
25K
1:58:45
15.53 mi
Rank: #13594 (+184)
HALF → 25K
18:36 | 7:41/mi
30K
2:23:45
18.64 mi
Rank: #13615 (-21)
25K → 30K
25:00 | 8:03/mi
20M
2:35:24
20.00 mi
Rank: #13835 (-220)
30K → 20M
11:39 | 8:35/mi
21M
2:44:22
21.00 mi
Rank: #13957 (-122)
20M → 21M
8:58 | 8:58/mi
35K
2:50:16
21.75 mi
Rank: #13935 (+22)
21M → 35K
5:54 | 7:54/mi
23M
3:00:37
23.00 mi
Rank: #13940 (-5)
35K → 23M
10:21 | 8:17/mi
24M
3:08:16
24.00 mi
Rank: #13803 (+137)
23M → 24M
7:39 | 7:39/mi
40K
3:14:59
24.85 mi
Rank: #13716 (+87)
24M → 40K
6:43 | 7:52/mi
25.2M
3:17:56
25.20 mi
Rank: #13673 (+43)
40K → 25.2M
2:57 | 8:34/mi
FINISH
3:25:14
26.22 mi
Rank: #13445 (+228)
25.2M → FINISH
7:18 | 7:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:09
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:45:05
Pace8:01 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5724:077:4624:07
7:46
-
10K
6.21 mi11:19:5748:077:4524:00
7:44
-0:02
15K
9.32 mi11:43:221:11:327:4123:25
7:33
-0:11
20K
12.43 mi12:06:551:35:057:4023:33
7:35
+0:02
HALF
13.11 mi12:11:591:40:097:395:04
7:26
-0:09
25K
15.53 mi12:30:351:58:457:3918:36
7:41
+0:15
30K
18.64 mi12:55:352:23:457:4325:00
8:03
+0:22
20M
20.00 mi13:07:142:35:247:4711:39
8:35
+0:32
21M
21.00 mi13:16:122:44:227:508:58
8:58
+0:23
35K
21.75 mi13:22:062:50:167:505:54
7:54
-1:04
23M
23.00 mi13:32:273:00:377:5210:21
8:17
+0:23
24M
24.00 mi13:40:063:08:167:517:39
7:39
-0:38
40K
24.85 mi13:46:493:14:597:516:43
7:52
+0:13
25.2M
25.20 mi13:49:463:17:567:522:57
8:34
+0:42
FINISH
26.22 mi13:57:043:25:147:507:18
7:10
-1:24

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

7:10 /mi

Average Pace

7:50 /mi

Slowest Pace

8:58 /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

12:22

6% of race

Time at Steady Pace

2:13:57

65% of race

Time at Slower Pace

58:55

29% of race

Average Pace: 7:50 /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 mi10:55:5724:077:4624:07
7:46
#15095
10K
6.21 mi11:19:5748:077:4524:00
7:44
#15000
15K
9.32 mi11:43:221:11:327:4123:25
7:33
#14316
20K
12.43 mi12:06:551:35:057:4023:33
7:35
#13867
HALF
13.11 mi12:11:591:40:097:395:04
7:26
#13778
25K
15.53 mi12:30:351:58:457:3918:36
7:41
#13594
30K
18.64 mi12:55:352:23:457:4325:00
8:03
#13615
20M
20.00 mi13:07:142:35:247:4711:39
8:35
#13835
21M
21.00 mi13:16:122:44:227:508:58
8:58
#13957
35K
21.75 mi13:22:062:50:167:505:54
7:54
#13935
23M
23.00 mi13:32:273:00:377:5210:21
8:17
#13940
24M
24.00 mi13:40:063:08:167:517:39
7:39
#13803
40K
24.85 mi13:46:493:14:597:516:43
7:52
#13716
25.2M
25.20 mi13:49:463:17:567:522:57
8:34
#13673
FINISH
26.22 mi13:57:043:25:147:507:18
7:10
#13445
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 mi15095102871028713133(Top 45%)9424(Top 58%)9424(Top 504%)
10K6.21 mi3.10 mi15000+9510224+6310224+6314961(Top 52%)10218(Top 63%)10218(Top 547%)
15K9.32 mi3.11 mi14316+6849944+2809944+28013133(Top 45%)9424(Top 58%)9424(Top 504%)
20K12.43 mi3.11 mi13867+4499744+2009744+20012646(Top 44%)9136(Top 56%)9136(Top 489%)
HALF13.11 mi0.68 mi13778+899708+369708+3612389(Top 43%)9113(Top 56%)9113(Top 488%)
25K15.53 mi2.42 mi13594+1849612+969612+9612786(Top 44%)9136(Top 56%)9136(Top 489%)
30K18.64 mi3.11 mi13615-219583+299583+2913824(Top 48%)9473(Top 58%)9473(Top 507%)
20M20.00 mi1.36 mi13835-2209650-679650-6716614(Top 57%)10565(Top 65%)10565(Top 566%)
21M21.00 mi1.00 mi13957-1229671-219671-2115923(Top 55%)10218(Top 63%)10218(Top 547%)
35K21.75 mi0.75 mi13935+229641+309641+3013662(Top 47%)9164(Top 56%)9164(Top 491%)
23M23.00 mi1.25 mi13940-59621+209621+2014231(Top 49%)9346(Top 57%)9346(Top 500%)
24M24.00 mi1.00 mi13803+1379541+809541+8011189(Top 39%)7882(Top 48%)7882(Top 422%)
40K24.85 mi0.85 mi13716+879487+549487+5411443(Top 39%)7925(Top 49%)7925(Top 424%)
25.2M25.20 mi0.35 mi13673+439455+329455+3211949(Top 41%)8090(Top 50%)8090(Top 433%)
FINISH26.22 mi1.02 mi13445+2289339+1169339+1168848(Top 30%)6512(Top 40%)6512(Top 349%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21
+97ft-345ft

Overall

13133

Males

9424

M50-54

9424

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

14961

Males

10218

M50-54

10218

10K→15K

6.2 - 9.3 mi

Top 45%
×3
+67ft-78ft

Overall

13133

Males

9424

M50-54

9424

15K→20K

9.3 - 12.4 mi

Top 44%
×5
+106ft-86ft

Overall

12646

Males

9136

M50-54

9136

20K→HALF

12.4 - 13.1 mi

Top 43%
×2
+19ft-37ft

Overall

12389

Males

9113

M50-54

9113

HALF→25K

13.1 - 15.5 mi

Top 44%
×4
+66ft-88ft

Overall

12786

Males

9136

M50-54

9136

25K→30K

15.5 - 18.6 mi

Top 48%
×9
+181ft-148ft

Overall

13824

Males

9473

M50-54

9473

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16614

Males

10565

M50-54

10565

20M→21M

20.0 - 21.0 mi

Top 55%
×8
+106ft-24ft

Overall

15923

Males

10218

M50-54

10218

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13662

Males

9164

M50-54

9164

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14231

Males

9346

M50-54

9346

23M→24M

23.0 - 24.0 mi

Top 39%
×6
+12ft-82ft

Overall

11189

Males

7882

M50-54

7882

24M→40K

24.0 - 24.9 mi

Top 39%
×1
+6ft-20ft

Overall

11443

Males

7925

M50-54

7925

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1
+13ft-16ft

Overall

11949

Males

8090

M50-54

8090

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
×2
+22ft-21ft

Overall

8848

Males

6512

M50-54

6512

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2824
Passed By
1174
Net Change
+1650
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15095
5K → 10K343248+95#15095#15000
10K → 15K70319+684#15000#14316
15K → 20K47223+449#14316#13867
20K → HALF956+89#13867#13778
HALF → 25K22238+184#13778#13594
25K → 30K184205-21#13594#13615
30K → 20M54274-220#13615#13835
20M → 21M60182-122#13835#13957
21M → 35K6139+22#13957#13935
35K → 23M9398-5#13935#13940
23M → 24M15114+137#13940#13803
24M → 40K9912+87#13803#13716
40K → 25.2M5512+43#13716#13673
25.2M → FINISH2324+228#13673#13445
TOTALS28241174+1650
📊

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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Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing