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BOSTON MARATHON 2026

Chun Sing Poon

Bib: 11347•M

Masters
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0:00
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M55-59)
#0 / 1491
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· 3.11 mi
34:44
Rank: #28237
Start → 5K
34:44 | 11:11/mi
10K· 6.21 mi
1:10:32
Rank: #28266 (-29)
5K → 10K
35:48 | 11:32/mi
15K· 9.32 mi
1:47:22
Rank: #28280 (-14)
10K → 15K
36:50 | 11:52/mi
20K· 12.43 mi
2:29:20
Rank: #28484 (-204)
15K → 20K
41:58 | 13:31/mi
HALF· 13.11 mi
2:40:17
Rank: #28634 (-150)
20K → HALF
10:57 | 16:04/mi
25K· 15.53 mi
3:11:54
Rank: #28564 (+70)
HALF → 25K
31:37 | 13:03/mi
30K· 18.64 mi
3:55:41
Rank: #28570 (-6)
25K → 30K
43:47 | 14:06/mi
20M
4:15:00
Rank: #28552 (+18)
30K → 20M
19:19 | 14:14/mi
21M
4:32:45
Rank: #28614 (-62)
20M → 21M
17:45 | 17:45/mi
35K· 21.75 mi
4:54:59
Rank: #28862 (-248)
21M → 35K
22:14 | 29:44/mi
23M
5:10:01
Rank: #28811 (+51)
35K → 23M
15:02 | 12:01/mi
24M
5:22:37
Rank: #28773 (+38)
23M → 24M
12:36 | 12:36/mi
40K· 24.85 mi
5:32:17
Rank: #28720 (+53)
24M → 40K
9:40 | 11:19/mi
25.2M
5:37:21
Rank: #28714 (+6)
40K → 25.2M
5:04 | 14:42/mi
FINISH· 26.22 mi
5:49:36
Rank: #28690 (+24)
25.2M → FINISH
12:15 | 12:02/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
Time2:40:17
Pace12:14 /mi
2nd Half
Distance13.11 mi
Time3:09:19
Pace14:27 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:0734:4411:1134:44
11:11
-
10K
6.21 mi12:15:551:10:3211:2235:48
11:32
+0:21
15K
9.32 mi12:52:451:47:2211:3236:50
11:52
+0:20
20K
12.43 mi13:34:432:29:2012:0141:58
13:31
+1:39
HALF
13.11 mi13:45:402:40:1712:1410:57
16:04
+2:33
25K
15.53 mi14:17:173:11:5412:2231:37
13:03
-3:01
30K
18.64 mi15:01:043:55:4112:3943:47
14:06
+1:03
20M
20.00 mi15:20:234:15:0012:4619:19
14:14
+0:08
21M
21.00 mi15:38:084:32:4513:0017:45
17:45
+3:31
35K
21.75 mi16:00:224:54:5913:3422:14
29:44
+11:59
23M
23.00 mi16:15:245:10:0113:2915:02
12:01
-17:43
24M
24.00 mi16:28:005:22:3713:2712:36
12:36
+0:35
40K
24.85 mi16:37:405:32:1713:239:40
11:19
-1:17
25.2M
25.20 mi16:42:445:37:2113:245:04
14:42
+3:23
FINISH
26.22 mi16:54:595:49:3613:2112:15
12:02
-2:40

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

11:11 /mi

Average Pace

13:21 /mi

Slowest Pace

29:44 /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

0:00

0% of race

Time at Steady Pace

4:58:40

85% of race

Time at Slower Pace

50:56

15% of race

Average Pace: 13:20 /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 mi11:40:0734:4411:1134:44
11:11
#28237
10K
6.21 mi12:15:551:10:3211:2235:48
11:32
#28266
15K
9.32 mi12:52:451:47:2211:3236:50
11:52
#28280
20K
12.43 mi13:34:432:29:2012:0141:58
13:31
#28484
HALF
13.11 mi13:45:402:40:1712:1410:57
16:04
#28634
25K
15.53 mi14:17:173:11:5412:2231:37
13:03
#28564
30K
18.64 mi15:01:043:55:4112:3943:47
14:06
#28570
20M
20.00 mi15:20:234:15:0012:4619:19
14:14
#28552
21M
21.00 mi15:38:084:32:4513:0017:45
17:45
#28614
35K
21.75 mi16:00:224:54:5913:3422:14
29:44
#28862
23M
23.00 mi16:15:245:10:0113:2915:02
12:01
#28811
24M
24.00 mi16:28:005:22:3713:2712:36
12:36
#28773
40K
24.85 mi16:37:405:32:1713:239:40
11:19
#28720
25.2M
25.20 mi16:42:445:37:2113:245:04
14:42
#28714
FINISH
26.22 mi16:54:595:49:3613:2112:15
12:02
#28690
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi28237160951609528250(Top 97%)16069(Top 98%)16069(Top 1078%)
10K6.21 mi3.10 mi28266-2916108-1316108-1328248(Top 97%)16087(Top 98%)16087(Top 1079%)
15K9.32 mi3.11 mi28280-1416107+116107+128250(Top 97%)16069(Top 98%)16069(Top 1078%)
20K12.43 mi3.11 mi28484-20416169-6216169-6228804(Top 99%)16257(Top 99%)16257(Top 1090%)
HALF13.11 mi0.68 mi28634-15016213-4416213-4428994(Top 100%)16324(Top 100%)16324(Top 1095%)
25K15.53 mi2.42 mi28564+7016184+2916184+2928254(Top 97%)16043(Top 98%)16043(Top 1076%)
30K18.64 mi3.11 mi28570-616181+316181+328416(Top 98%)16065(Top 98%)16065(Top 1077%)
20M20.00 mi1.36 mi28552+1816170+1116170+1128257(Top 97%)15973(Top 98%)15973(Top 1071%)
21M21.00 mi1.00 mi28614-6216192-2216192-2228916(Top 100%)16288(Top 100%)16288(Top 1092%)
35K21.75 mi0.75 mi28862-24816280-8816280-8829018(Top 100%)16339(Top 100%)16339(Top 1096%)
23M23.00 mi1.25 mi28811+5116257+2316257+2326141(Top 90%)14907(Top 91%)14907(Top 1000%)
24M24.00 mi1.00 mi28773+3816242+1516242+1527278(Top 94%)15431(Top 94%)15431(Top 1035%)
40K24.85 mi0.85 mi28720+5316223+1916223+1924804(Top 85%)14180(Top 87%)14180(Top 951%)
25.2M25.20 mi0.35 mi28714+616222+116222+127747(Top 96%)15648(Top 96%)15648(Top 1049%)
FINISH26.22 mi1.02 mi28690+2416212+1016212+1027489(Top 95%)15530(Top 95%)15530(Top 1042%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

28250

Males

16069

M55-59

16069

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

28248

Males

16087

M55-59

16087

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

28250

Males

16069

M55-59

16069

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

28804

Males

16257

M55-59

16257

20K→HALF

12.4 - 13.1 mi

Top 100%
×2stories
+19ft-37ft

Overall

28994

Males

16324

M55-59

16324

HALF→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

28254

Males

16043

M55-59

16043

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

28416

Males

16065

M55-59

16065

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

28257

Males

15973

M55-59

15973

20M→21M

20.0 - 21.0 mi

Top 100%
×8stories
+106ft-24ft

Overall

28916

Males

16288

M55-59

16288

21M→35K

21.0 - 21.8 mi

Top 100%
×7stories
+17ft-86ft

Overall

29018

Males

16339

M55-59

16339

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

26141

Males

14907

M55-59

14907

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

27278

Males

15431

M55-59

15431

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24804

Males

14180

M55-59

14180

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27747

Males

15648

M55-59

15648

25.2M→FINISH

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

27489

Males

15530

M55-59

15530

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
508
Passed By
961
Net Change
-453
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28237
5K → 10K89118-29#28237#28266
10K → 15K7084-14#28266#28280
15K → 20K16220-204#28280#28484
20K → HALF0150-150#28484#28634
HALF → 25K8414+70#28634#28564
25K → 30K4046-6#28564#28570
30K → 20M3012+18#28570#28552
20M → 21M365-62#28552#28614
21M → 35K0248-248#28614#28862
35K → 23M510+51#28862#28811
23M → 24M380+38#28811#28773
24M → 40K530+53#28773#28720
40K → 25.2M71+6#28720#28714
25.2M → FINISH273+24#28714#28690
TOTALS508961-453
📊

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