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BOSTON MARATHON 2026

Raymond Chow

Bib: 6636•M

CA

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0:00
/ mi
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Overall
#0 / 29021
Top 18%
Gender (Male)
#0 / 16340
Top 29%
Age Group (M18-39)
#0 / 5723
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
20:46
3.11 mi
Rank: #5715
Start → 5K
20:46 | 6:42/mi
10K
41:38
6.21 mi
Rank: #5908 (-193)
5K → 10K
20:52 | 6:43/mi
15K
1:02:16
9.32 mi
Rank: #5646 (+262)
10K → 15K
20:38 | 6:39/mi
20K
1:23:18
12.43 mi
Rank: #5653 (-7)
15K → 20K
21:02 | 6:47/mi
HALF
1:27:50
13.11 mi
Rank: #5650 (+3)
20K → HALF
4:32 | 6:40/mi
25K
1:44:09
15.53 mi
Rank: #5534 (+116)
HALF → 25K
16:19 | 6:44/mi
30K
2:05:35
18.64 mi
Rank: #5417 (+117)
25K → 30K
21:26 | 6:54/mi
20M
2:14:58
20.00 mi
Rank: #5355 (+62)
30K → 20M
9:23 | 6:55/mi
21M
2:22:07
21.00 mi
Rank: #5257 (+98)
20M → 21M
7:09 | 7:09/mi
35K
2:27:09
21.75 mi
Rank: #5230 (+27)
21M → 35K
5:02 | 6:44/mi
23M
2:35:58
23.00 mi
Rank: #5244 (-14)
35K → 23M
8:49 | 7:03/mi
24M
2:42:47
24.00 mi
Rank: #5218 (+26)
23M → 24M
6:49 | 6:49/mi
40K
2:48:47
24.85 mi
Rank: #5216 (+2)
24M → 40K
6:00 | 7:02/mi
25.2M
2:51:23
25.20 mi
Rank: #5206 (+10)
40K → 25.2M
2:36 | 7:33/mi
FINISH
2:58:03
26.22 mi
Rank: #5132 (+74)
25.2M → FINISH
6:40 | 6:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:27:50
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:30:13
Pace6:53 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:4220:466:4220:46
6:42
-
10K
6.21 mi11:00:3441:386:4320:52
6:43
+0:01
15K
9.32 mi11:21:121:02:166:4120:38
6:39
-0:04
20K
12.43 mi11:42:141:23:186:4321:02
6:47
+0:08
HALF
13.11 mi11:46:461:27:506:434:32
6:40
-0:07
25K
15.53 mi12:03:051:44:096:4316:19
6:44
+0:04
30K
18.64 mi12:24:312:05:356:4521:26
6:54
+0:10
20M
20.00 mi12:33:542:14:586:459:23
6:55
+0:01
21M
21.00 mi12:41:032:22:076:477:09
7:09
+0:14
35K
21.75 mi12:46:052:27:096:465:02
6:44
-0:25
23M
23.00 mi12:54:542:35:586:478:49
7:03
+0:19
24M
24.00 mi13:01:432:42:476:476:49
6:49
-0:14
40K
24.85 mi13:07:432:48:476:486:00
7:02
+0:13
25.2M
25.20 mi13:10:192:51:236:492:36
7:33
+0:31
FINISH
26.22 mi13:16:592:58:036:486:40
6:33
-1:00

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

6:33 /mi

Average Pace

6:48 /mi

Slowest Pace

7:33 /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

2:55:27

99% of race

Time at Steady Pace

2:36

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:39:4220:466:4220:46
6:42
#5715
10K
6.21 mi11:00:3441:386:4320:52
6:43
#5908
15K
9.32 mi11:21:121:02:166:4120:38
6:39
#5646
20K
12.43 mi11:42:141:23:186:4321:02
6:47
#5653
HALF
13.11 mi11:46:461:27:506:434:32
6:40
#5650
25K
15.53 mi12:03:051:44:096:4316:19
6:44
#5534
30K
18.64 mi12:24:312:05:356:4521:26
6:54
#5417
20M
20.00 mi12:33:542:14:586:459:23
6:55
#5355
21M
21.00 mi12:41:032:22:076:477:09
7:09
#5257
35K
21.75 mi12:46:052:27:096:465:02
6:44
#5230
23M
23.00 mi12:54:542:35:586:478:49
7:03
#5244
24M
24.00 mi13:01:432:42:476:476:49
6:49
#5218
40K
24.85 mi13:07:432:48:476:486:00
7:02
#5216
25.2M
25.20 mi13:10:192:51:236:492:36
7:33
#5206
FINISH
26.22 mi13:16:592:58:036:486:40
6:33
#5132
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5715525052505263(Top 18%)4879(Top 30%)4879(Top 85%)
10K6.21 mi3.10 mi5908-1935404-1545404-1546108(Top 21%)5547(Top 34%)5547(Top 97%)
15K9.32 mi3.11 mi5646+2625196+2085196+2085263(Top 18%)4879(Top 30%)4879(Top 85%)
20K12.43 mi3.11 mi5653-75208-125208-125873(Top 20%)5310(Top 32%)5310(Top 93%)
HALF13.11 mi0.68 mi5650+35201+75201+75664(Top 20%)5142(Top 31%)5142(Top 90%)
25K15.53 mi2.42 mi5534+1165088+1135088+1135134(Top 18%)4696(Top 29%)4696(Top 82%)
30K18.64 mi3.11 mi5417+1174978+1104978+1105144(Top 18%)4642(Top 28%)4642(Top 81%)
20M20.00 mi1.36 mi5355+624920+584920+584881(Top 17%)4385(Top 27%)4385(Top 77%)
21M21.00 mi1.00 mi5257+984833+874833+874350(Top 15%)3894(Top 24%)3894(Top 68%)
35K21.75 mi0.75 mi5230+274803+304803+305143(Top 18%)4542(Top 28%)4542(Top 79%)
23M23.00 mi1.25 mi5244-144802+14802+15731(Top 20%)4916(Top 30%)4916(Top 86%)
24M24.00 mi1.00 mi5218+264766+364766+365231(Top 18%)4503(Top 28%)4503(Top 79%)
40K24.85 mi0.85 mi5216+24752+144752+145584(Top 19%)4693(Top 29%)4693(Top 82%)
25.2M25.20 mi0.35 mi5206+104738+144738+145439(Top 19%)4544(Top 28%)4544(Top 79%)
FINISH26.22 mi1.02 mi5132+744662+764662+764395(Top 15%)3762(Top 23%)3762(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21
+97ft-345ft

Overall

5263

Males

4879

M18-39

4879

5K→10K

3.1 - 6.2 mi

Top 21%
×5
+79ft-138ft

Overall

6108

Males

5547

M18-39

5547

10K→15K

6.2 - 9.3 mi

Top 18%
×3
+67ft-78ft

Overall

5263

Males

4879

M18-39

4879

15K→20K

9.3 - 12.4 mi

Top 20%
×5
+106ft-86ft

Overall

5873

Males

5310

M18-39

5310

20K→HALF

12.4 - 13.1 mi

Top 20%
×2
+19ft-37ft

Overall

5664

Males

5142

M18-39

5142

HALF→25K

13.1 - 15.5 mi

Top 18%
×4
+66ft-88ft

Overall

5134

Males

4696

M18-39

4696

25K→30K

15.5 - 18.6 mi

Top 18%
×9
+181ft-148ft

Overall

5144

Males

4642

M18-39

4642

30K→20M

18.6 - 20.0 mi

Top 17%
×5
+64ft-50ft

Overall

4881

Males

4385

M18-39

4385

20M→21M

20.0 - 21.0 mi

Top 15%
×8
+106ft-24ft

Overall

4350

Males

3894

M18-39

3894

21M→35K

21.0 - 21.8 mi

Top 18%
×7
+17ft-86ft

Overall

5143

Males

4542

M18-39

4542

35K→23M

21.8 - 23.0 mi

Top 20%
×5
+23ft-63ft

Overall

5731

Males

4916

M18-39

4916

23M→24M

23.0 - 24.0 mi

Top 18%
×6
+12ft-82ft

Overall

5231

Males

4503

M18-39

4503

24M→40K

24.0 - 24.9 mi

Top 19%
×1
+6ft-20ft

Overall

5584

Males

4693

M18-39

4693

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1
+13ft-16ft

Overall

5439

Males

4544

M18-39

4544

25.2M→FINISH

25.2 - 26.2 mi

Top 15%
×2
+22ft-21ft

Overall

4395

Males

3762

M18-39

3762

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1477
Passed By
894
Net Change
+583
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5715
5K → 10K123316-193#5715#5908
10K → 15K29432+262#5908#5646
15K → 20K103110-7#5646#5653
20K → HALF1916+3#5653#5650
HALF → 25K15034+116#5650#5534
25K → 30K19679+117#5534#5417
30K → 20M9331+62#5417#5355
20M → 21M11820+98#5355#5257
21M → 35K5629+27#5257#5230
35K → 23M6882-14#5230#5244
23M → 24M7347+26#5244#5218
24M → 40K5452+2#5218#5216
40K → 25.2M2515+10#5216#5206
25.2M → FINISH10531+74#5206#5132
TOTALS1477894+583
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing