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BOSTON MARATHON 2026

Yicheng Cui

Bib: 33438β€’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
51Β°/41Β°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
29:00
3.11 mi
Rank: #23920
Start β†’ 5K
29:00 | 9:21/mi
10K
58:26
6.21 mi
Rank: #24241 (-321)
5K β†’ 10K
29:26 | 9:29/mi
15K
1:28:19
9.32 mi
Rank: #24427 (-186)
10K β†’ 15K
29:53 | 9:38/mi
20K
1:58:10
12.43 mi
Rank: #24330 (+97)
15K β†’ 20K
29:51 | 9:37/mi
HALF
2:04:31
13.11 mi
Rank: #24319 (+11)
20K β†’ HALF
6:21 | 9:19/mi
25K
2:28:00
15.53 mi
Rank: #24178 (+141)
HALF β†’ 25K
23:29 | 9:41/mi
30K
2:59:38
18.64 mi
Rank: #24027 (+151)
25K β†’ 30K
31:38 | 10:11/mi
20M
3:13:22
20.00 mi
Rank: #23923 (+104)
30K β†’ 20M
13:44 | 10:07/mi
21M
3:24:11
21.00 mi
Rank: #23833 (+90)
20M β†’ 21M
10:49 | 10:49/mi
35K
3:31:22
21.75 mi
Rank: #23754 (+79)
21M β†’ 35K
7:11 | 9:37/mi
23M
3:43:38
23.00 mi
Rank: #23621 (+133)
35K β†’ 23M
12:16 | 9:49/mi
24M
3:53:04
24.00 mi
Rank: #23507 (+114)
23M β†’ 24M
9:26 | 9:26/mi
40K
4:01:13
24.85 mi
Rank: #23376 (+131)
24M β†’ 40K
8:09 | 9:32/mi
25.2M
4:04:47
25.20 mi
Rank: #23319 (+57)
40K β†’ 25.2M
3:34 | 10:21/mi
FINISH
4:13:57
26.22 mi
Rank: #23213 (+106)
25.2M β†’ FINISH
9:10 | 9:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:04:31
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:09:26
Pace9:53 /mi
πŸ“ŠPositive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:1429:009:2129:00
9:21
-
10K
6.21 mi12:28:4058:269:2529:26
9:29
+0:08
15K
9.32 mi12:58:331:28:199:2929:53
9:38
+0:09
20K
12.43 mi13:28:241:58:109:3129:51
9:37
-0:01
HALF
13.11 mi13:34:452:04:319:306:21
9:19
-0:18
25K
15.53 mi13:58:142:28:009:3223:29
9:41
+0:22
30K
18.64 mi14:29:522:59:389:3931:38
10:11
+0:30
20M
20.00 mi14:43:363:13:229:4113:44
10:07
-0:04
21M
21.00 mi14:54:253:24:119:4410:49
10:49
+0:42
35K
21.75 mi15:01:363:31:229:447:11
9:37
-1:12
23M
23.00 mi15:13:523:43:389:4412:16
9:49
+0:12
24M
24.00 mi15:23:183:53:049:439:26
9:26
-0:23
40K
24.85 mi15:31:274:01:139:438:09
9:32
+0:06
25.2M
25.20 mi15:35:014:04:479:433:34
10:21
+0:49
FINISH
26.22 mi15:44:114:13:579:429:10
9:00
-1:21

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

9:00 /mi

Average Pace

9:42 /mi

Slowest Pace

10:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

44:31

18% of race

Time at Steady Pace

2:29:41

59% of race

Time at Slower Pace

59:45

24% of race

Average Pace: 9:41 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:59:1429:009:2129:00
9:21
#23920
10K
6.21 mi12:28:4058:269:2529:26
9:29
#24241
15K
9.32 mi12:58:331:28:199:2929:53
9:38
#24427
20K
12.43 mi13:28:241:58:109:3129:51
9:37
#24330
HALF
13.11 mi13:34:452:04:319:306:21
9:19
#24319
25K
15.53 mi13:58:142:28:009:3223:29
9:41
#24178
30K
18.64 mi14:29:522:59:389:3931:38
10:11
#24027
20M
20.00 mi14:43:363:13:229:4113:44
10:07
#23923
21M
21.00 mi14:54:253:24:119:4410:49
10:49
#23833
35K
21.75 mi15:01:363:31:229:447:11
9:37
#23754
23M
23.00 mi15:13:523:43:389:4412:16
9:49
#23621
24M
24.00 mi15:23:183:53:049:439:26
9:26
#23507
40K
24.85 mi15:31:274:01:139:438:09
9:32
#23376
25.2M
25.20 mi15:35:014:04:479:433:34
10:21
#23319
FINISH
26.22 mi15:44:114:13:579:429:10
9:00
#23213
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 mi23920142001420024746(Top 85%)14604(Top 89%)14604(Top 664%)
10K6.21 mi3.10 mi24241-32114374-17414374-17424502(Top 84%)14489(Top 89%)14489(Top 659%)
15K9.32 mi3.11 mi24427-18614468-9414468-9424746(Top 85%)14604(Top 89%)14604(Top 664%)
20K12.43 mi3.11 mi24330+9714412+5614412+5624063(Top 83%)14252(Top 87%)14252(Top 648%)
HALF13.11 mi0.68 mi24319+1114402+1014402+1023831(Top 82%)14138(Top 87%)14138(Top 643%)
25K15.53 mi2.42 mi24178+14114317+8514317+8523510(Top 81%)13938(Top 85%)13938(Top 634%)
30K18.64 mi3.11 mi24027+15114223+9414223+9423580(Top 81%)13877(Top 85%)13877(Top 631%)
20M20.00 mi1.36 mi23923+10414161+6214161+6222871(Top 79%)13481(Top 83%)13481(Top 613%)
21M21.00 mi1.00 mi23833+9014100+6114100+6122706(Top 78%)13366(Top 82%)13366(Top 608%)
35K21.75 mi0.75 mi23754+7914053+4714053+4722068(Top 76%)12998(Top 80%)12998(Top 591%)
23M23.00 mi1.25 mi23621+13313965+8813965+8821573(Top 74%)12718(Top 78%)12718(Top 579%)
24M24.00 mi1.00 mi23507+11413892+7313892+7321120(Top 73%)12449(Top 76%)12449(Top 566%)
40K24.85 mi0.85 mi23376+13113816+7613816+7620512(Top 71%)12107(Top 74%)12107(Top 551%)
25.2M25.20 mi0.35 mi23319+5713779+3713779+3720579(Top 71%)12153(Top 74%)12153(Top 553%)
FINISH26.22 mi1.02 mi23213+10613722+5713722+5720497(Top 71%)12096(Top 74%)12096(Top 550%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
Γ—21
+97ft-345ft

Overall

24746

Males

14604

M40-44

14604

5K→10K

3.1 - 6.2 mi

Top 84%
Γ—5
+79ft-138ft

Overall

24502

Males

14489

M40-44

14489

10K→15K

6.2 - 9.3 mi

Top 85%
Γ—3
+67ft-78ft

Overall

24746

Males

14604

M40-44

14604

15K→20K

9.3 - 12.4 mi

Top 83%
Γ—5
+106ft-86ft

Overall

24063

Males

14252

M40-44

14252

20K→HALF

12.4 - 13.1 mi

Top 82%
Γ—2
+19ft-37ft

Overall

23831

Males

14138

M40-44

14138

HALF→25K

13.1 - 15.5 mi

Top 81%
Γ—4
+66ft-88ft

Overall

23510

Males

13938

M40-44

13938

25K→30K

15.5 - 18.6 mi

Top 81%
Γ—9
+181ft-148ft

Overall

23580

Males

13877

M40-44

13877

30K→20M

18.6 - 20.0 mi

Top 79%
Γ—5
+64ft-50ft

Overall

22871

Males

13481

M40-44

13481

20M→21M

20.0 - 21.0 mi

Top 78%
Γ—8
+106ft-24ft

Overall

22706

Males

13366

M40-44

13366

21M→35K

21.0 - 21.8 mi

Top 76%
Γ—7
+17ft-86ft

Overall

22068

Males

12998

M40-44

12998

35K→23M

21.8 - 23.0 mi

Top 74%
Γ—5
+23ft-63ft

Overall

21573

Males

12718

M40-44

12718

23M→24M

23.0 - 24.0 mi

Top 73%
Γ—6
+12ft-82ft

Overall

21120

Males

12449

M40-44

12449

24M→40K

24.0 - 24.9 mi

Top 71%
Γ—1
+6ft-20ft

Overall

20512

Males

12107

M40-44

12107

40K→25.2M

24.9 - 25.2 mi

Top 71%
Γ—1
+13ft-16ft

Overall

20579

Males

12153

M40-44

12153

25.2M→FINISH

25.2 - 26.2 mi

Top 71%
Γ—2
+22ft-21ft

Overall

20497

Males

12096

M40-44

12096

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1681*
Passed By
688
Net Change
+707
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#23920
5K β†’ 10K98200-321#23920#24241
10K β†’ 15K81200-186#24241#24427
15K β†’ 20K17881+97#24427#24330
20K β†’ HALF2918+11#24330#24319
HALF β†’ 25K17635+141#24319#24178
25K β†’ 30K224*73+151#24178#24027
30K β†’ 20M11915+104#24027#23923
20M β†’ 21M11727+90#23923#23833
21M β†’ 35K889+79#23833#23754
35K β†’ 23M14815+133#23754#23621
23M β†’ 24M1206+114#23621#23507
24M β†’ 40K1354+131#23507#23376
40K β†’ 25.2M581+57#23376#23319
25.2M β†’ FINISH1104+106#23319#23213
TOTALS1681*688+707

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

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing