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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Cairong Lu

Bib: 4575 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 25%
Gender (Male)
#0 / 16340
Top 38%
Masters (Masters Men)
#0 / 10617
Top 24%
Age Group (M40-44)
#0 / 2198
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
21:20
3.11 mi
Rank: #7443
Start → 5K
21:20 | 6:52/mi
10K
42:41
6.21 mi
Rank: #7549 (-106)
5K → 10K
21:21 | 6:53/mi
15K
1:04:49
9.32 mi
Rank: #8237 (-688)
10K → 15K
22:08 | 7:08/mi
20K
1:26:38
12.43 mi
Rank: #8154 (+83)
15K → 20K
21:49 | 7:02/mi
HALF
1:31:22
13.11 mi
Rank: #8155 (-1)
20K → HALF
4:44 | 6:57/mi
25K
1:48:38
15.53 mi
Rank: #8111 (+44)
HALF → 25K
17:16 | 7:08/mi
30K
2:10:43
18.64 mi
Rank: #7787 (+324)
25K → 30K
22:05 | 7:07/mi
20M
2:20:20
20.00 mi
Rank: #7628 (+159)
30K → 20M
9:37 | 7:05/mi
21M
2:27:56
21.00 mi
Rank: #7559 (+69)
20M → 21M
7:36 | 7:36/mi
35K
2:33:15
21.75 mi
Rank: #7535 (+24)
21M → 35K
5:19 | 7:07/mi
23M
2:43:09
23.00 mi
Rank: #7698 (-163)
35K → 23M
9:54 | 7:55/mi
24M
2:50:11
24.00 mi
Rank: #7598 (+100)
23M → 24M
7:02 | 7:02/mi
40K
2:56:05
24.85 mi
Rank: #7443 (+155)
24M → 40K
5:54 | 6:55/mi
25.2M
2:58:41
25.20 mi
Rank: #7384 (+59)
40K → 25.2M
2:36 | 7:33/mi
FINISH
3:05:38
26.22 mi
Rank: #7283 (+101)
25.2M → FINISH
6:57 | 6:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:31:22
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:34:16
Pace7:12 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2621:206:5221:20
6:52
-
10K
6.21 mi10:45:4742:416:5321:21
6:53
+0:01
15K
9.32 mi11:07:551:04:496:5822:08
7:08
+0:15
20K
12.43 mi11:29:441:26:386:5921:49
7:02
-0:06
HALF
13.11 mi11:34:281:31:226:594:44
6:57
-0:05
25K
15.53 mi11:51:441:48:387:0017:16
7:08
+0:11
30K
18.64 mi12:13:492:10:437:0122:05
7:07
-0:01
20M
20.00 mi12:23:262:20:207:029:37
7:05
-0:02
21M
21.00 mi12:31:022:27:567:037:36
7:36
+0:31
35K
21.75 mi12:36:212:33:157:035:19
7:07
-0:29
23M
23.00 mi12:46:152:43:097:069:54
7:55
+0:48
24M
24.00 mi12:53:172:50:117:067:02
7:02
-0:53
40K
24.85 mi12:59:112:56:057:065:54
6:55
-0:07
25.2M
25.20 mi13:01:472:58:417:062:36
7:33
+0:38
FINISH
26.22 mi13:08:443:05:387:066:57
6:50
-0:43

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

6:50 /mi

Average Pace

7:05 /mi

Slowest Pace

7:55 /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

2:45:32

89% of race

Time at Steady Pace

20:06

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:05 /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 mi10:24:2621:206:5221:20
6:52
#7443
10K
6.21 mi10:45:4742:416:5321:21
6:53
#7549
15K
9.32 mi11:07:551:04:496:5822:08
7:08
#8237
20K
12.43 mi11:29:441:26:386:5921:49
7:02
#8154
HALF
13.11 mi11:34:281:31:226:594:44
6:57
#8155
25K
15.53 mi11:51:441:48:387:0017:16
7:08
#8111
30K
18.64 mi12:13:492:10:437:0122:05
7:07
#7787
20M
20.00 mi12:23:262:20:207:029:37
7:05
#7628
21M
21.00 mi12:31:022:27:567:037:36
7:36
#7559
35K
21.75 mi12:36:212:33:157:035:19
7:07
#7535
23M
23.00 mi12:46:152:43:097:069:54
7:55
#7698
24M
24.00 mi12:53:172:50:117:067:02
7:02
#7598
40K
24.85 mi12:59:112:56:057:065:54
6:55
#7443
25.2M
25.20 mi13:01:472:58:417:062:36
7:33
#7384
FINISH
26.22 mi13:08:443:05:387:066:57
6:50
#7283
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7443652165219460(Top 33%)7742(Top 47%)7742(Top 352%)
10K6.21 mi3.10 mi7549-1066585-646585-647679(Top 26%)6688(Top 41%)6688(Top 304%)
15K9.32 mi3.11 mi8237-6887028-4437028-4439460(Top 33%)7742(Top 47%)7742(Top 352%)
20K12.43 mi3.11 mi8154+836969+596969+598022(Top 28%)6849(Top 42%)6849(Top 312%)
HALF13.11 mi0.68 mi8155-16972-36972-38189(Top 28%)6966(Top 43%)6966(Top 317%)
25K15.53 mi2.42 mi8111+446935+376935+378249(Top 28%)6890(Top 42%)6890(Top 313%)
30K18.64 mi3.11 mi7787+3246694+2416694+2416717(Top 23%)5797(Top 35%)5797(Top 264%)
20M20.00 mi1.36 mi7628+1596575+1196575+1196106(Top 21%)5327(Top 33%)5327(Top 242%)
21M21.00 mi1.00 mi7559+696520+556520+557131(Top 25%)5854(Top 36%)5854(Top 266%)
35K21.75 mi0.75 mi7535+246493+276493+277839(Top 27%)6329(Top 39%)6329(Top 288%)
23M23.00 mi1.25 mi7698-1636558-656558-6511797(Top 41%)8254(Top 51%)8254(Top 376%)
24M24.00 mi1.00 mi7598+1006471+876471+876693(Top 23%)5495(Top 34%)5495(Top 250%)
40K24.85 mi0.85 mi7443+1556351+1206351+1204888(Top 17%)4214(Top 26%)4214(Top 192%)
25.2M25.20 mi0.35 mi7384+596302+496302+495506(Top 19%)4611(Top 28%)4611(Top 210%)
FINISH26.22 mi1.02 mi7283+1016212+906212+906262(Top 22%)5039(Top 31%)5039(Top 229%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21
+97ft-345ft

Overall

9460

Males

7742

M40-44

7742

5K→10K

3.1 - 6.2 mi

Top 26%
×5
+79ft-138ft

Overall

7679

Males

6688

M40-44

6688

10K→15K

6.2 - 9.3 mi

Top 33%
×3
+67ft-78ft

Overall

9460

Males

7742

M40-44

7742

15K→20K

9.3 - 12.4 mi

Top 28%
×5
+106ft-86ft

Overall

8022

Males

6849

M40-44

6849

20K→HALF

12.4 - 13.1 mi

Top 28%
×2
+19ft-37ft

Overall

8189

Males

6966

M40-44

6966

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8249

Males

6890

M40-44

6890

25K→30K

15.5 - 18.6 mi

Top 23%
×9
+181ft-148ft

Overall

6717

Males

5797

M40-44

5797

30K→20M

18.6 - 20.0 mi

Top 21%
×5
+64ft-50ft

Overall

6106

Males

5327

M40-44

5327

20M→21M

20.0 - 21.0 mi

Top 25%
×8
+106ft-24ft

Overall

7131

Males

5854

M40-44

5854

21M→35K

21.0 - 21.8 mi

Top 27%
×7
+17ft-86ft

Overall

7839

Males

6329

M40-44

6329

35K→23M

21.8 - 23.0 mi

Top 41%
×5
+23ft-63ft

Overall

11797

Males

8254

M40-44

8254

23M→24M

23.0 - 24.0 mi

Top 23%
×6
+12ft-82ft

Overall

6693

Males

5495

M40-44

5495

24M→40K

24.0 - 24.9 mi

Top 17%
×1
+6ft-20ft

Overall

4888

Males

4214

M40-44

4214

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1
+13ft-16ft

Overall

5506

Males

4611

M40-44

4611

25.2M→FINISH

25.2 - 26.2 mi

Top 22%
×2
+22ft-21ft

Overall

6262

Males

5039

M40-44

5039

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1703*
Passed By
944
Net Change
+160
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7443
5K → 10K173200-106#7443#7549
10K → 15K17200-688#7549#8237
15K → 20K16582+83#8237#8154
20K → HALF2122-1#8154#8155
HALF → 25K12884+44#8155#8111
25K → 30K353*29+324#8111#7787
30K → 20M1678+159#7787#7628
20M → 21M9829+69#7628#7559
21M → 35K5531+24#7559#7535
35K → 23M52200-163#7535#7698
23M → 24M11919+100#7698#7598
24M → 40K1627+155#7598#7443
40K → 25.2M667+59#7443#7384
25.2M → FINISH12726+101#7384#7283
TOTALS1703*944+160

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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