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BOSTON MARATHON 2026

Shipeng Cao

Bib: 12432•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 (M45-49)
#0 / 2413
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
25:38
3.11 mi
Rank: #18552
Start → 5K
25:38 | 8:16/mi
10K
50:37
6.21 mi
Rank: #18062 (+490)
5K → 10K
24:59 | 8:03/mi
15K
1:16:19
9.32 mi
Rank: #18316 (-254)
10K → 15K
25:42 | 8:17/mi
20K
1:42:52
12.43 mi
Rank: #18610 (-294)
15K → 20K
26:33 | 8:33/mi
HALF
1:48:32
13.11 mi
Rank: #18644 (-34)
20K → HALF
5:40 | 8:19/mi
25K
2:12:35
15.53 mi
Rank: #19915 (-1271)
HALF → 25K
24:03 | 9:55/mi
30K
2:56:02
18.64 mi
Rank: #23471 (-3556)
25K → 30K
43:27 | 14:00/mi
20M
3:09:15
20.00 mi
Rank: #23320 (+151)
30K → 20M
13:13 | 9:44/mi
21M
3:23:46
21.00 mi
Rank: #23764 (-444)
20M → 21M
14:31 | 14:31/mi
35K
3:31:13
21.75 mi
Rank: #23734 (+30)
21M → 35K
7:27 | 9:58/mi
23M
3:47:56
23.00 mi
Rank: #24157 (-423)
35K → 23M
16:43 | 13:22/mi
24M
3:58:03
24.00 mi
Rank: #24097 (+60)
23M → 24M
10:07 | 10:07/mi
40K
4:08:38
24.85 mi
Rank: #24230 (-133)
24M → 40K
10:35 | 12:23/mi
25.2M
4:12:38
25.20 mi
Rank: #24226 (+4)
40K → 25.2M
4:00 | 11:36/mi
FINISH
4:23:33
26.22 mi
Rank: #24272 (-46)
25.2M → FINISH
10:55 | 10:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:32
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time2:35:01
Pace11:50 /mi
📊Positive Split: 42.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:5125:388:1625:38
8:16
-
10K
6.21 mi11:36:5050:378:0924:59
8:03
-0:13
15K
9.32 mi12:02:321:16:198:1225:42
8:17
+0:14
20K
12.43 mi12:29:051:42:528:1726:33
8:33
+0:16
HALF
13.11 mi12:34:451:48:328:175:40
8:19
-0:14
25K
15.53 mi12:58:482:12:358:3324:03
9:55
+1:36
30K
18.64 mi13:42:152:56:029:2743:27
14:00
+4:05
20M
20.00 mi13:55:283:09:159:2813:13
9:44
-4:16
21M
21.00 mi14:09:593:23:469:4314:31
14:31
+4:47
35K
21.75 mi14:17:263:31:139:437:27
9:58
-4:33
23M
23.00 mi14:34:093:47:569:5516:43
13:22
+3:24
24M
24.00 mi14:44:163:58:039:5610:07
10:07
-3:15
40K
24.85 mi14:54:514:08:3810:0110:35
12:23
+2:16
25.2M
25.20 mi14:58:514:12:3810:024:00
11:36
-0:47
FINISH
26.22 mi15:09:464:23:3310:0410:55
10:43
-0:53

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

8:03 /mi

Average Pace

10:04 /mi

Slowest Pace

14:31 /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

1:48:32

41% of race

Time at Steady Pace

1:05:45

25% of race

Time at Slower Pace

1:29:16

34% of race

Average Pace: 10:03 /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 mi11:11:5125:388:1625:38
8:16
#18552
10K
6.21 mi11:36:5050:378:0924:59
8:03
#18062
15K
9.32 mi12:02:321:16:198:1225:42
8:17
#18316
20K
12.43 mi12:29:051:42:528:1726:33
8:33
#18610
HALF
13.11 mi12:34:451:48:328:175:40
8:19
#18644
25K
15.53 mi12:58:482:12:358:3324:03
9:55
#19915
30K
18.64 mi13:42:152:56:029:2743:27
14:00
#23471
20M
20.00 mi13:55:283:09:159:2813:13
9:44
#23320
21M
21.00 mi14:09:593:23:469:4314:31
14:31
#23764
35K
21.75 mi14:17:263:31:139:437:27
9:58
#23734
23M
23.00 mi14:34:093:47:569:5516:43
13:22
#24157
24M
24.00 mi14:44:163:58:039:5610:07
10:07
#24097
40K
24.85 mi14:54:514:08:3810:0110:35
12:23
#24230
25.2M
25.20 mi14:58:514:12:3810:024:00
11:36
#24226
FINISH
26.22 mi15:09:464:23:3310:0410:55
10:43
#24272
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi18552116571165718805(Top 65%)11803(Top 72%)11803(Top 489%)
10K6.21 mi3.10 mi18062+49011454+20311454+20317559(Top 61%)11251(Top 69%)11251(Top 466%)
15K9.32 mi3.11 mi18316-25411575-12111575-12118805(Top 65%)11803(Top 72%)11803(Top 489%)
20K12.43 mi3.11 mi18610-29411696-12111696-12119576(Top 67%)12096(Top 74%)12096(Top 501%)
HALF13.11 mi0.68 mi18644-3411707-1111707-1119114(Top 66%)11945(Top 73%)11945(Top 495%)
25K15.53 mi2.42 mi19915-127112249-54212249-54224092(Top 83%)14239(Top 87%)14239(Top 590%)
30K18.64 mi3.11 mi23471-355613923-167413923-167428347(Top 98%)16031(Top 98%)16031(Top 664%)
20M20.00 mi1.36 mi23320+15113833+9013833+9021809(Top 75%)12977(Top 79%)12977(Top 538%)
21M21.00 mi1.00 mi23764-44414070-23714070-23727739(Top 96%)15709(Top 96%)15709(Top 651%)
35K21.75 mi0.75 mi23734+3014041+2914041+2923045(Top 79%)13492(Top 83%)13492(Top 559%)
23M23.00 mi1.25 mi24157-42314219-17814219-17827668(Top 95%)15668(Top 96%)15668(Top 649%)
24M24.00 mi1.00 mi24097+6014172+4714172+4723126(Top 80%)13429(Top 82%)13429(Top 557%)
40K24.85 mi0.85 mi24230-13314220-4814220-4826364(Top 91%)14939(Top 91%)14939(Top 619%)
25.2M25.20 mi0.35 mi24226+414216+414216+423689(Top 82%)13628(Top 83%)13628(Top 565%)
FINISH26.22 mi1.02 mi24272-4614221-514221-525528(Top 88%)14532(Top 89%)14532(Top 602%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21
+97ft-345ft

Overall

18805

Males

11803

M45-49

11803

5K→10K

3.1 - 6.2 mi

Top 61%
×5
+79ft-138ft

Overall

17559

Males

11251

M45-49

11251

10K→15K

6.2 - 9.3 mi

Top 65%
×3
+67ft-78ft

Overall

18805

Males

11803

M45-49

11803

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19576

Males

12096

M45-49

12096

20K→HALF

12.4 - 13.1 mi

Top 66%
×2
+19ft-37ft

Overall

19114

Males

11945

M45-49

11945

HALF→25K

13.1 - 15.5 mi

Top 83%
×4
+66ft-88ft

Overall

24092

Males

14239

M45-49

14239

25K→30K

15.5 - 18.6 mi

Top 98%
×9
+181ft-148ft

Overall

28347

Males

16031

M45-49

16031

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21809

Males

12977

M45-49

12977

20M→21M

20.0 - 21.0 mi

Top 96%
×8
+106ft-24ft

Overall

27739

Males

15709

M45-49

15709

21M→35K

21.0 - 21.8 mi

Top 79%
×7
+17ft-86ft

Overall

23045

Males

13492

M45-49

13492

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27668

Males

15668

M45-49

15668

23M→24M

23.0 - 24.0 mi

Top 80%
×6
+12ft-82ft

Overall

23126

Males

13429

M45-49

13429

24M→40K

24.0 - 24.9 mi

Top 91%
×1
+6ft-20ft

Overall

26364

Males

14939

M45-49

14939

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1
+13ft-16ft

Overall

23689

Males

13628

M45-49

13628

25.2M→FINISH

25.2 - 26.2 mi

Top 88%
×2
+22ft-21ft

Overall

25528

Males

14532

M45-49

14532

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1172
Passed By
6892
Net Change
-5720
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18552
5K → 10K603113+490#18552#18062
10K → 15K96350-254#18062#18316
15K → 20K83377-294#18316#18610
20K → HALF2155-34#18610#18644
HALF → 25K81279-1271#18644#19915
25K → 30K33559-3556#19915#23471
30K → 20M16312+151#23471#23320
20M → 21M1445-444#23320#23764
21M → 35K4515+30#23764#23734
35K → 23M12435-423#23734#24157
23M → 24M7616+60#24157#24097
24M → 40K15148-133#24097#24230
40K → 25.2M2117+4#24230#24226
25.2M → FINISH2571-46#24226#24272
TOTALS11726892-5720
📊

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