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BOSTON MARATHON 2026

Kamolpong Sanguantrakul

Bib: 29660•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
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
34:23
3.11 mi
Rank: #28095
Start → 5K
34:23 | 11:05/mi
10K
1:10:49
6.21 mi
Rank: #28306 (-211)
5K → 10K
36:26 | 11:44/mi
15K
1:49:40
9.32 mi
Rank: #28467 (-161)
10K → 15K
38:51 | 12:31/mi
20K
2:27:30
12.43 mi
Rank: #28395 (+72)
15K → 20K
37:50 | 12:11/mi
HALF
2:36:08
13.11 mi
Rank: #28416 (-21)
20K → HALF
8:38 | 12:40/mi
25K
3:10:17
15.53 mi
Rank: #28501 (-85)
HALF → 25K
34:09 | 14:05/mi
30K
3:53:05
18.64 mi
Rank: #28473 (+28)
25K → 30K
42:48 | 13:47/mi
20M
4:12:10
20.00 mi
Rank: #28477 (-4)
30K → 20M
19:05 | 14:03/mi
21M
4:26:47
21.00 mi
Rank: #28456 (+21)
20M → 21M
14:37 | 14:37/mi
35K
4:38:12
21.75 mi
Rank: #28491 (-35)
21M → 35K
11:25 | 15:16/mi
23M
4:55:55
23.00 mi
Rank: #28493 (-2)
35K → 23M
17:43 | 14:10/mi
24M
5:09:49
24.00 mi
Rank: #28495 (-2)
23M → 24M
13:54 | 13:54/mi
40K
5:22:31
24.85 mi
Rank: #28498 (-3)
24M → 40K
12:42 | 14:52/mi
25.2M
5:27:52
25.20 mi
Rank: #28505 (-7)
40K → 25.2M
5:21 | 15:31/mi
FINISH
5:41:53
26.22 mi
Rank: #28515 (-10)
25.2M → FINISH
14:01 | 13:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:36:08
Pace11:55 /mi
2nd Half
Distance13.11 mi
Time3:05:45
Pace14:11 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:3334:2311:0534:23
11:05
-
10K
6.21 mi12:36:591:10:4911:2436:26
11:44
+0:39
15K
9.32 mi13:15:501:49:4011:4638:51
12:31
+0:47
20K
12.43 mi13:53:402:27:3011:5337:50
12:11
-0:20
HALF
13.11 mi14:02:182:36:0811:558:38
12:40
+0:29
25K
15.53 mi14:36:273:10:1712:1534:09
14:05
+1:25
30K
18.64 mi15:19:153:53:0512:3142:48
13:47
-0:18
20M
20.00 mi15:38:204:12:1012:3719:05
14:03
+0:16
21M
21.00 mi15:52:574:26:4712:4314:37
14:37
+0:34
35K
21.75 mi16:04:224:38:1212:4811:25
15:16
+0:39
23M
23.00 mi16:22:054:55:5512:5217:43
14:10
-1:06
24M
24.00 mi16:35:595:09:4912:5513:54
13:54
-0:16
40K
24.85 mi16:48:415:22:3112:5912:42
14:52
+0:58
25.2M
25.20 mi16:54:025:27:5213:015:21
15:31
+0:39
FINISH
26.22 mi17:08:035:41:5313:0314:01
13:46
-1:45

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

11:05 /mi

Average Pace

13:03 /mi

Slowest Pace

15:31 /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

2:36:08

46% of race

Time at Steady Pace

2:21:40

41% of race

Time at Slower Pace

44:05

13% of race

Average Pace: 13:02 /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 mi12:00:3334:2311:0534:23
11:05
#28095
10K
6.21 mi12:36:591:10:4911:2436:26
11:44
#28306
15K
9.32 mi13:15:501:49:4011:4638:51
12:31
#28467
20K
12.43 mi13:53:402:27:3011:5337:50
12:11
#28395
HALF
13.11 mi14:02:182:36:0811:558:38
12:40
#28416
25K
15.53 mi14:36:273:10:1712:1534:09
14:05
#28501
30K
18.64 mi15:19:153:53:0512:3142:48
13:47
#28473
20M
20.00 mi15:38:204:12:1012:3719:05
14:03
#28477
21M
21.00 mi15:52:574:26:4712:4314:37
14:37
#28456
35K
21.75 mi16:04:224:38:1212:4811:25
15:16
#28491
23M
23.00 mi16:22:054:55:5512:5217:43
14:10
#28493
24M
24.00 mi16:35:595:09:4912:5513:54
13:54
#28495
40K
24.85 mi16:48:415:22:3112:5912:42
14:52
#28498
25.2M
25.20 mi16:54:025:27:5213:015:21
15:31
#28505
FINISH
26.22 mi17:08:035:41:5313:0314:01
13:46
#28515
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi28095160481604828639(Top 99%)16218(Top 99%)16218(Top 672%)
10K6.21 mi3.10 mi28306-21116120-7216120-7228406(Top 98%)16138(Top 99%)16138(Top 669%)
15K9.32 mi3.11 mi28467-16116162-4216162-4228639(Top 99%)16218(Top 99%)16218(Top 672%)
20K12.43 mi3.11 mi28395+7216137+2516137+2528151(Top 97%)16036(Top 98%)16036(Top 665%)
HALF13.11 mi0.68 mi28416-2116148-1116148-1128594(Top 99%)16160(Top 99%)16160(Top 670%)
25K15.53 mi2.42 mi28501-8516165-1716165-1728712(Top 99%)16209(Top 99%)16209(Top 672%)
30K18.64 mi3.11 mi28473+2816147+1816147+1828230(Top 97%)15980(Top 98%)15980(Top 662%)
20M20.00 mi1.36 mi28477-416142+516142+528141(Top 97%)15923(Top 97%)15923(Top 660%)
21M21.00 mi1.00 mi28456+2116134+816134+827810(Top 96%)15747(Top 96%)15747(Top 653%)
35K21.75 mi0.75 mi28491-3516138-416138-428766(Top 99%)16182(Top 99%)16182(Top 671%)
23M23.00 mi1.25 mi28493-216136+216136+228255(Top 97%)15933(Top 98%)15933(Top 660%)
24M24.00 mi1.00 mi28495-216134+216134+228292(Top 97%)15927(Top 97%)15927(Top 660%)
40K24.85 mi0.85 mi28498-316136-216136-228382(Top 98%)15971(Top 98%)15971(Top 662%)
25.2M25.20 mi0.35 mi28505-716137-116137-128194(Top 97%)15862(Top 97%)15862(Top 657%)
FINISH26.22 mi1.02 mi28515-1016139-216139-228602(Top 99%)16090(Top 98%)16090(Top 667%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28639

Males

16218

M45-49

16218

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28406

Males

16138

M45-49

16138

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28639

Males

16218

M45-49

16218

15K→20K

9.3 - 12.4 mi

Top 97%
×5
+106ft-86ft

Overall

28151

Males

16036

M45-49

16036

20K→HALF

12.4 - 13.1 mi

Top 99%
×2
+19ft-37ft

Overall

28594

Males

16160

M45-49

16160

HALF→25K

13.1 - 15.5 mi

Top 99%
×4
+66ft-88ft

Overall

28712

Males

16209

M45-49

16209

25K→30K

15.5 - 18.6 mi

Top 97%
×9
+181ft-148ft

Overall

28230

Males

15980

M45-49

15980

30K→20M

18.6 - 20.0 mi

Top 97%
×5
+64ft-50ft

Overall

28141

Males

15923

M45-49

15923

20M→21M

20.0 - 21.0 mi

Top 96%
×8
+106ft-24ft

Overall

27810

Males

15747

M45-49

15747

21M→35K

21.0 - 21.8 mi

Top 99%
×7
+17ft-86ft

Overall

28766

Males

16182

M45-49

16182

35K→23M

21.8 - 23.0 mi

Top 97%
×5
+23ft-63ft

Overall

28255

Males

15933

M45-49

15933

23M→24M

23.0 - 24.0 mi

Top 97%
×6
+12ft-82ft

Overall

28292

Males

15927

M45-49

15927

24M→40K

24.0 - 24.9 mi

Top 98%
×1
+6ft-20ft

Overall

28382

Males

15971

M45-49

15971

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1
+13ft-16ft

Overall

28194

Males

15862

M45-49

15862

25.2M→FINISH

25.2 - 26.2 mi

Top 99%
×2
+22ft-21ft

Overall

28602

Males

16090

M45-49

16090

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
331
Passed By
698
Net Change
-420
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28095
5K → 10K42200-211#28095#28306
10K → 15K27188-161#28306#28467
15K → 20K9523+72#28467#28395
20K → HALF324-21#28395#28416
HALF → 25K20105-85#28416#28501
25K → 30K5426+28#28501#28473
30K → 20M2024-4#28473#28477
20M → 21M243+21#28477#28456
21M → 35K136-35#28456#28491
35K → 23M1214-2#28491#28493
23M → 24M911-2#28493#28495
24M → 40K1114-3#28495#28498
40K → 25.2M29-7#28498#28505
25.2M → FINISH1121-10#28505#28515
TOTALS331698-420
📊

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