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BOSTON MARATHON 2026

Kiang Cheong Chow

Bib: 24556•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 (M65-69)
#0 / 774
Top 45%
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
26:16
3.11 mi
Rank: #19798
Start → 5K
26:16 | 8:28/mi
10K
52:31
6.21 mi
Rank: #19889 (-91)
5K → 10K
26:15 | 8:27/mi
15K
1:19:19
9.32 mi
Rank: #20188 (-299)
10K → 15K
26:48 | 8:38/mi
20K
1:46:39
12.43 mi
Rank: #20367 (-179)
15K → 20K
27:20 | 8:48/mi
HALF
1:52:37
13.11 mi
Rank: #20443 (-76)
20K → HALF
5:58 | 8:46/mi
25K
2:14:33
15.53 mi
Rank: #20628 (-185)
HALF → 25K
21:56 | 9:03/mi
30K
2:44:42
18.64 mi
Rank: #20990 (-362)
25K → 30K
30:09 | 9:43/mi
20M
2:58:05
20.00 mi
Rank: #21096 (-106)
30K → 20M
13:23 | 9:52/mi
21M
3:09:03
21.00 mi
Rank: #21294 (-198)
20M → 21M
10:58 | 10:58/mi
35K
3:16:12
21.75 mi
Rank: #21328 (-34)
21M → 35K
7:09 | 9:34/mi
23M
3:28:36
23.00 mi
Rank: #21403 (-75)
35K → 23M
12:24 | 9:55/mi
24M
3:38:14
24.00 mi
Rank: #21433 (-30)
23M → 24M
9:38 | 9:38/mi
40K
3:46:28
24.85 mi
Rank: #21429 (+4)
24M → 40K
8:14 | 9:38/mi
25.2M
3:50:06
25.20 mi
Rank: #21440 (-11)
40K → 25.2M
3:38 | 10:33/mi
FINISH
3:59:29
26.22 mi
Rank: #21474 (-34)
25.2M → FINISH
9:23 | 9:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:52:37
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:06:52
Pace9:41 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:5526:168:2826:16
8:28
-
10K
6.21 mi11:56:1052:318:2826:15
8:27
-0:01
15K
9.32 mi12:22:581:19:198:3126:48
8:38
+0:11
20K
12.43 mi12:50:181:46:398:3527:20
8:48
+0:10
HALF
13.11 mi12:56:161:52:378:365:58
8:46
-0:02
25K
15.53 mi13:18:122:14:338:4021:56
9:03
+0:17
30K
18.64 mi13:48:212:44:428:5130:09
9:43
+0:40
20M
20.00 mi14:01:442:58:058:5513:23
9:52
+0:09
21M
21.00 mi14:12:423:09:039:0110:58
10:58
+1:06
35K
21.75 mi14:19:513:16:129:027:09
9:34
-1:24
23M
23.00 mi14:32:153:28:369:0512:24
9:55
+0:21
24M
24.00 mi14:41:533:38:149:069:38
9:38
-0:17
40K
24.85 mi14:50:073:46:289:078:14
9:38
0:00
25.2M
25.20 mi14:53:453:50:069:083:38
10:33
+0:55
FINISH
26.22 mi15:03:083:59:299:099:23
9:13
-1:20

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

8:27 /mi

Average Pace

9:08 /mi

Slowest Pace

10:58 /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

2:14:33

56% of race

Time at Steady Pace

1:30:20

38% of race

Time at Slower Pace

14:36

6% of race

Average Pace: 9:08 /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 mi11:29:5526:168:2826:16
8:28
#19798
10K
6.21 mi11:56:1052:318:2826:15
8:27
#19889
15K
9.32 mi12:22:581:19:198:3126:48
8:38
#20188
20K
12.43 mi12:50:181:46:398:3527:20
8:48
#20367
HALF
13.11 mi12:56:161:52:378:365:58
8:46
#20443
25K
15.53 mi13:18:122:14:338:4021:56
9:03
#20628
30K
18.64 mi13:48:212:44:428:5130:09
9:43
#20990
20M
20.00 mi14:01:442:58:058:5513:23
9:52
#21096
21M
21.00 mi14:12:423:09:039:0110:58
10:58
#21294
35K
21.75 mi14:19:513:16:129:027:09
9:34
#21328
23M
23.00 mi14:32:153:28:369:0512:24
9:55
#21403
24M
24.00 mi14:41:533:38:149:069:38
9:38
#21433
40K
24.85 mi14:50:073:46:289:078:14
9:38
#21429
25.2M
25.20 mi14:53:453:50:069:083:38
10:33
#21440
FINISH
26.22 mi15:03:083:59:299:099:23
9:13
#21474
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 mi19798121941219420808(Top 72%)12713(Top 78%)12713(Top 1643%)
10K6.21 mi3.10 mi19889-9112249-5512249-5520069(Top 69%)12350(Top 76%)12350(Top 1596%)
15K9.32 mi3.11 mi20188-29912390-14112390-14120808(Top 72%)12713(Top 78%)12713(Top 1643%)
20K12.43 mi3.11 mi20367-17912463-7312463-7320957(Top 72%)12752(Top 78%)12752(Top 1648%)
HALF13.11 mi0.68 mi20443-7612498-3512498-3521560(Top 74%)13055(Top 80%)13055(Top 1687%)
25K15.53 mi2.42 mi20628-18512572-7412572-7421372(Top 74%)12929(Top 79%)12929(Top 1670%)
30K18.64 mi3.11 mi20990-36212724-15212724-15222268(Top 77%)13279(Top 81%)13279(Top 1716%)
20M20.00 mi1.36 mi21096-10612766-4212766-4222172(Top 76%)13152(Top 80%)13152(Top 1699%)
21M21.00 mi1.00 mi21294-19812860-9412860-9423025(Top 79%)13496(Top 83%)13496(Top 1744%)
35K21.75 mi0.75 mi21328-3412864-412864-421928(Top 76%)12924(Top 79%)12924(Top 1670%)
23M23.00 mi1.25 mi21403-7512898-3412898-3421863(Top 75%)12850(Top 79%)12850(Top 1660%)
24M24.00 mi1.00 mi21433-3012897+112897+121758(Top 75%)12755(Top 78%)12755(Top 1648%)
40K24.85 mi0.85 mi21429+412880+1712880+1720818(Top 72%)12262(Top 75%)12262(Top 1584%)
25.2M25.20 mi0.35 mi21440-1112878+212878+221124(Top 73%)12421(Top 76%)12421(Top 1605%)
FINISH26.22 mi1.02 mi21474-3412893-1512893-1521322(Top 73%)12512(Top 77%)12512(Top 1617%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

20808

Males

12713

M65-69

12713

5K→10K

3.1 - 6.2 mi

Top 69%
×5
+79ft-138ft

Overall

20069

Males

12350

M65-69

12350

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

20808

Males

12713

M65-69

12713

15K→20K

9.3 - 12.4 mi

Top 72%
×5
+106ft-86ft

Overall

20957

Males

12752

M65-69

12752

20K→HALF

12.4 - 13.1 mi

Top 74%
×2
+19ft-37ft

Overall

21560

Males

13055

M65-69

13055

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21372

Males

12929

M65-69

12929

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22268

Males

13279

M65-69

13279

30K→20M

18.6 - 20.0 mi

Top 76%
×5
+64ft-50ft

Overall

22172

Males

13152

M65-69

13152

20M→21M

20.0 - 21.0 mi

Top 79%
×8
+106ft-24ft

Overall

23025

Males

13496

M65-69

13496

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

21928

Males

12924

M65-69

12924

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21863

Males

12850

M65-69

12850

23M→24M

23.0 - 24.0 mi

Top 75%
×6
+12ft-82ft

Overall

21758

Males

12755

M65-69

12755

24M→40K

24.0 - 24.9 mi

Top 72%
×1
+6ft-20ft

Overall

20818

Males

12262

M65-69

12262

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1
+13ft-16ft

Overall

21124

Males

12421

M65-69

12421

25.2M→FINISH

25.2 - 26.2 mi

Top 73%
×2
+22ft-21ft

Overall

21322

Males

12512

M65-69

12512

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
905
Passed By
1879
Net Change
-1676
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19798
5K → 10K200200-91#19798#19889
10K → 15K88200-299#19889#20188
15K → 20K113200-179#20188#20367
20K → HALF1187-76#20367#20443
HALF → 25K83200-185#20443#20628
25K → 30K77200-362#20628#20990
30K → 20M57163-106#20990#21096
20M → 21M27200-198#21096#21294
21M → 35K4175-34#21294#21328
35K → 23M54129-75#21328#21403
23M → 24M3969-30#21403#21433
24M → 40K5753+4#21433#21429
40K → 25.2M1526-11#21429#21440
25.2M → FINISH4377-34#21440#21474
TOTALS9051879-1676
📊

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