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BOSTON MARATHON 2026

Ning Cao

Bib: 30933•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 (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
26:01
3.11 mi
Rank: #19350
Start → 5K
26:01 | 8:23/mi
10K
51:06
6.21 mi
Rank: #18546 (+804)
5K → 10K
25:05 | 8:05/mi
15K
1:16:08
9.32 mi
Rank: #18197 (+349)
10K → 15K
25:02 | 8:04/mi
20K
1:41:57
12.43 mi
Rank: #18185 (+12)
15K → 20K
25:49 | 8:19/mi
HALF
1:47:49
13.11 mi
Rank: #18314 (-129)
20K → HALF
5:52 | 8:37/mi
25K
2:08:01
15.53 mi
Rank: #18190 (+124)
HALF → 25K
20:12 | 8:20/mi
30K
2:35:22
18.64 mi
Rank: #18245 (-55)
25K → 30K
27:21 | 8:49/mi
20M
2:47:18
20.00 mi
Rank: #18192 (+53)
30K → 20M
11:56 | 8:48/mi
21M
2:56:51
21.00 mi
Rank: #18197 (-5)
20M → 21M
9:33 | 9:33/mi
35K
3:03:15
21.75 mi
Rank: #18192 (+5)
21M → 35K
6:24 | 8:34/mi
23M
3:14:28
23.00 mi
Rank: #18191 (+1)
35K → 23M
11:13 | 8:58/mi
24M
3:23:09
24.00 mi
Rank: #18173 (+18)
23M → 24M
8:41 | 8:41/mi
40K
3:30:27
24.85 mi
Rank: #18067 (+106)
24M → 40K
7:18 | 8:33/mi
25.2M
3:33:39
25.20 mi
Rank: #18027 (+40)
40K → 25.2M
3:12 | 9:17/mi
FINISH
3:42:45
26.22 mi
Rank: #18127 (-100)
25.2M → FINISH
9:06 | 8:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:49
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:54:56
Pace8:47 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3126:018:2326:01
8:23
-
10K
6.21 mi12:19:3651:068:1425:05
8:05
-0:18
15K
9.32 mi12:44:381:16:088:1125:02
8:04
-0:01
20K
12.43 mi13:10:271:41:578:1325:49
8:19
+0:15
HALF
13.11 mi13:16:191:47:498:145:52
8:37
+0:18
25K
15.53 mi13:36:312:08:018:1520:12
8:20
-0:17
30K
18.64 mi14:03:522:35:228:2127:21
8:49
+0:29
20M
20.00 mi14:15:482:47:188:2211:56
8:48
-0:01
21M
21.00 mi14:25:212:56:518:269:33
9:33
+0:45
35K
21.75 mi14:31:453:03:158:266:24
8:34
-0:59
23M
23.00 mi14:42:583:14:288:2811:13
8:58
+0:24
24M
24.00 mi14:51:393:23:098:288:41
8:41
-0:17
40K
24.85 mi14:58:573:30:278:297:18
8:33
-0:08
25.2M
25.20 mi15:02:093:33:398:293:12
9:17
+0:44
FINISH
26.22 mi15:11:153:42:458:319:06
8:56
-0:21

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

8:04 /mi

Average Pace

8:30 /mi

Slowest Pace

9:33 /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

3:09:41

85% of race

Time at Steady Pace

23:31

11% of race

Time at Slower Pace

9:33

4% of race

Average Pace: 8:30 /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 mi11:54:3126:018:2326:01
8:23
#19350
10K
6.21 mi12:19:3651:068:1425:05
8:05
#18546
15K
9.32 mi12:44:381:16:088:1125:02
8:04
#18197
20K
12.43 mi13:10:271:41:578:1325:49
8:19
#18185
HALF
13.11 mi13:16:191:47:498:145:52
8:37
#18314
25K
15.53 mi13:36:312:08:018:1520:12
8:20
#18190
30K
18.64 mi14:03:522:35:228:2127:21
8:49
#18245
20M
20.00 mi14:15:482:47:188:2211:56
8:48
#18192
21M
21.00 mi14:25:212:56:518:269:33
9:33
#18197
35K
21.75 mi14:31:453:03:158:266:24
8:34
#18192
23M
23.00 mi14:42:583:14:288:2811:13
8:58
#18191
24M
24.00 mi14:51:393:23:098:288:41
8:41
#18173
40K
24.85 mi14:58:573:30:278:297:18
8:33
#18067
25.2M
25.20 mi15:02:093:33:398:293:12
9:17
#18027
FINISH
26.22 mi15:11:153:42:458:319:06
8:56
#18127
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 mi19350119891198917409(Top 60%)11200(Top 69%)11200(Top 510%)
10K6.21 mi3.10 mi18546+80411665+32411665+32417781(Top 61%)11338(Top 69%)11338(Top 516%)
15K9.32 mi3.11 mi18197+34911523+14211523+14217409(Top 60%)11200(Top 69%)11200(Top 510%)
20K12.43 mi3.11 mi18185+1211518+511518+518152(Top 63%)11473(Top 70%)11473(Top 522%)
HALF13.11 mi0.68 mi18314-12911569-5111569-5120802(Top 72%)12685(Top 78%)12685(Top 577%)
25K15.53 mi2.42 mi18190+12411511+5811511+5817576(Top 61%)11182(Top 68%)11182(Top 509%)
30K18.64 mi3.11 mi18245-5511490+2111490+2118587(Top 64%)11522(Top 71%)11522(Top 524%)
20M20.00 mi1.36 mi18192+5311442+4811442+4817868(Top 62%)11120(Top 68%)11120(Top 506%)
21M21.00 mi1.00 mi18197-511426+1611426+1618703(Top 64%)11470(Top 70%)11470(Top 522%)
35K21.75 mi0.75 mi18192+511419+711419+717851(Top 62%)10978(Top 67%)10978(Top 499%)
23M23.00 mi1.25 mi18191+111394+2511394+2518298(Top 63%)11121(Top 68%)11121(Top 506%)
24M24.00 mi1.00 mi18173+1811367+2711367+2717904(Top 62%)10900(Top 67%)10900(Top 496%)
40K24.85 mi0.85 mi18067+10611299+6811299+6815908(Top 55%)9942(Top 61%)9942(Top 452%)
25.2M25.20 mi0.35 mi18027+4011276+2311276+2316169(Top 56%)10062(Top 62%)10062(Top 458%)
FINISH26.22 mi1.02 mi18127-10011315-3911315-3920202(Top 70%)11942(Top 73%)11942(Top 543%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17409

Males

11200

M40-44

11200

5K→10K

3.1 - 6.2 mi

Top 61%
×5
+79ft-138ft

Overall

17781

Males

11338

M40-44

11338

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17409

Males

11200

M40-44

11200

15K→20K

9.3 - 12.4 mi

Top 63%
×5
+106ft-86ft

Overall

18152

Males

11473

M40-44

11473

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

20802

Males

12685

M40-44

12685

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17576

Males

11182

M40-44

11182

25K→30K

15.5 - 18.6 mi

Top 64%
×9
+181ft-148ft

Overall

18587

Males

11522

M40-44

11522

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

17868

Males

11120

M40-44

11120

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18703

Males

11470

M40-44

11470

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

17851

Males

10978

M40-44

10978

35K→23M

21.8 - 23.0 mi

Top 63%
×5
+23ft-63ft

Overall

18298

Males

11121

M40-44

11121

23M→24M

23.0 - 24.0 mi

Top 62%
×6
+12ft-82ft

Overall

17904

Males

10900

M40-44

10900

24M→40K

24.0 - 24.9 mi

Top 55%
×1
+6ft-20ft

Overall

15908

Males

9942

M40-44

9942

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1
+13ft-16ft

Overall

16169

Males

10062

M40-44

10062

25.2M→FINISH

25.2 - 26.2 mi

Top 70%
×2
+22ft-21ft

Overall

20202

Males

11942

M40-44

11942

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2432
Passed By
1209
Net Change
+1223
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19350
5K → 10K85652+804#19350#18546
10K → 15K40859+349#18546#18197
15K → 20K168156+12#18197#18185
20K → HALF6135-129#18185#18314
HALF → 25K17854+124#18314#18190
25K → 30K170225-55#18190#18245
30K → 20M13178+53#18245#18192
20M → 21M8388-5#18192#18197
21M → 35K4843+5#18197#18192
35K → 23M9897+1#18192#18191
23M → 24M7355+18#18191#18173
24M → 40K12317+106#18173#18067
40K → 25.2M5414+40#18067#18027
25.2M → FINISH36136-100#18027#18127
TOTALS24321209+1223
📊

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