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BOSTON MARATHON 2026

Xiaoyu Feng

Bib: 10750β€’M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 37%
Gender (Male)
#0 / 16340
Top 50%
Masters (Masters Men)
#0 / 10617
Top 39%
Age Group (M45-49)
#0 / 2413
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
21:45
3.11 mi
Rank: #8561
Start β†’ 5K
21:45 | 7:01/mi
10K
43:59
6.21 mi
Rank: #9180 (-619)
5K β†’ 10K
22:14 | 7:10/mi
15K
1:07:03
9.32 mi
Rank: #10089 (-909)
10K β†’ 15K
23:04 | 7:26/mi
20K
1:30:28
12.43 mi
Rank: #10600 (-511)
15K β†’ 20K
23:25 | 7:33/mi
HALF
1:35:27
13.11 mi
Rank: #10628 (-28)
20K β†’ HALF
4:59 | 7:19/mi
25K
1:53:53
15.53 mi
Rank: #10897 (-269)
HALF β†’ 25K
18:26 | 7:37/mi
30K
2:18:10
18.64 mi
Rank: #11119 (-222)
25K β†’ 30K
24:17 | 7:49/mi
20M
2:28:49
20.00 mi
Rank: #11155 (-36)
30K β†’ 20M
10:39 | 7:51/mi
21M
2:37:07
21.00 mi
Rank: #11157 (-2)
20M β†’ 21M
8:18 | 8:18/mi
35K
2:42:59
21.75 mi
Rank: #11209 (-52)
21M β†’ 35K
5:52 | 7:51/mi
23M
2:52:40
23.00 mi
Rank: #11117 (+92)
35K β†’ 23M
9:41 | 7:45/mi
24M
3:00:09
24.00 mi
Rank: #11027 (+90)
23M β†’ 24M
7:29 | 7:29/mi
40K
3:06:37
24.85 mi
Rank: #10928 (+99)
24M β†’ 40K
6:28 | 7:34/mi
25.2M
3:09:27
25.20 mi
Rank: #10889 (+39)
40K β†’ 25.2M
2:50 | 8:13/mi
FINISH
3:16:53
26.22 mi
Rank: #10820 (+69)
25.2M β†’ FINISH
7:26 | 7:18/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:27
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:41:26
Pace7:45 /mi
πŸ“ŠPositive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:4521:457:0121:45
7:01
-
10K
6.21 mi11:00:5943:597:0522:14
7:10
+0:09
15K
9.32 mi11:24:031:07:037:1223:04
7:26
+0:16
20K
12.43 mi11:47:281:30:287:1723:25
7:33
+0:07
HALF
13.11 mi11:52:271:35:277:174:59
7:19
-0:14
25K
15.53 mi12:10:531:53:537:2018:26
7:37
+0:18
30K
18.64 mi12:35:102:18:107:2524:17
7:49
+0:12
20M
20.00 mi12:45:492:28:497:2710:39
7:51
+0:02
21M
21.00 mi12:54:072:37:077:298:18
8:18
+0:27
35K
21.75 mi12:59:592:42:597:305:52
7:51
-0:27
23M
23.00 mi13:09:402:52:407:319:41
7:45
-0:06
24M
24.00 mi13:17:093:00:097:317:29
7:29
-0:16
40K
24.85 mi13:23:373:06:377:316:28
7:34
+0:05
25.2M
25.20 mi13:26:273:09:277:322:50
8:13
+0:39
FINISH
26.22 mi13:33:533:16:537:317:26
7:18
-0:55

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

7:01 /mi

Average Pace

7:31 /mi

Slowest Pace

8:18 /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

2:15:16

69% of race

Time at Steady Pace

53:19

27% of race

Time at Slower Pace

8:18

4% of race

Average Pace: 7:31 /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 mi10:38:4521:457:0121:45
7:01
#8561
10K
6.21 mi11:00:5943:597:0522:14
7:10
#9180
15K
9.32 mi11:24:031:07:037:1223:04
7:26
#10089
20K
12.43 mi11:47:281:30:287:1723:25
7:33
#10600
HALF
13.11 mi11:52:271:35:277:174:59
7:19
#10628
25K
15.53 mi12:10:531:53:537:2018:26
7:37
#10897
30K
18.64 mi12:35:102:18:107:2524:17
7:49
#11119
20M
20.00 mi12:45:492:28:497:2710:39
7:51
#11155
21M
21.00 mi12:54:072:37:077:298:18
8:18
#11157
35K
21.75 mi12:59:592:42:597:305:52
7:51
#11209
23M
23.00 mi13:09:402:52:407:319:41
7:45
#11117
24M
24.00 mi13:17:093:00:097:317:29
7:29
#11027
40K
24.85 mi13:23:373:06:377:316:28
7:34
#10928
25.2M
25.20 mi13:26:273:09:277:322:50
8:13
#10889
FINISH
26.22 mi13:33:533:16:537:317:26
7:18
#10820
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 mi85617282728212145(Top 42%)8990(Top 55%)8990(Top 373%)
10K6.21 mi3.10 mi9180-6197646-3647646-3649861(Top 34%)7988(Top 49%)7988(Top 331%)
15K9.32 mi3.11 mi10089-9098103-4578103-45712145(Top 42%)8990(Top 55%)8990(Top 373%)
20K12.43 mi3.11 mi10600-5118301-1988301-19812279(Top 42%)8968(Top 55%)8968(Top 372%)
HALF13.11 mi0.68 mi10628-288316-158316-1511213(Top 39%)8579(Top 53%)8579(Top 356%)
25K15.53 mi2.42 mi10897-2698418-1028418-10212243(Top 42%)8888(Top 54%)8888(Top 368%)
30K18.64 mi3.11 mi11119-2228474-568474-5612081(Top 42%)8687(Top 53%)8687(Top 360%)
20M20.00 mi1.36 mi11155-368468+68468+611618(Top 40%)8363(Top 51%)8363(Top 347%)
21M21.00 mi1.00 mi11157-28442+268442+2611814(Top 41%)8345(Top 51%)8345(Top 346%)
35K21.75 mi0.75 mi11209-528459-178459-1713322(Top 46%)8998(Top 55%)8998(Top 373%)
23M23.00 mi1.25 mi11117+928389+708389+7010529(Top 36%)7628(Top 47%)7628(Top 316%)
24M24.00 mi1.00 mi11027+908318+718318+719934(Top 34%)7264(Top 44%)7264(Top 301%)
40K24.85 mi0.85 mi10928+998239+798239+799291(Top 32%)6846(Top 42%)6846(Top 284%)
25.2M25.20 mi0.35 mi10889+398214+258214+259689(Top 33%)6978(Top 43%)6978(Top 289%)
FINISH26.22 mi1.02 mi10820+698157+578157+579826(Top 34%)7031(Top 43%)7031(Top 291%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
Γ—21
+97ft-345ft

Overall

12145

Males

8990

M45-49

8990

5K→10K

3.1 - 6.2 mi

Top 34%
Γ—5
+79ft-138ft

Overall

9861

Males

7988

M45-49

7988

10K→15K

6.2 - 9.3 mi

Top 42%
Γ—3
+67ft-78ft

Overall

12145

Males

8990

M45-49

8990

15K→20K

9.3 - 12.4 mi

Top 42%
Γ—5
+106ft-86ft

Overall

12279

Males

8968

M45-49

8968

20K→HALF

12.4 - 13.1 mi

Top 39%
Γ—2
+19ft-37ft

Overall

11213

Males

8579

M45-49

8579

HALF→25K

13.1 - 15.5 mi

Top 42%
Γ—4
+66ft-88ft

Overall

12243

Males

8888

M45-49

8888

25K→30K

15.5 - 18.6 mi

Top 42%
Γ—9
+181ft-148ft

Overall

12081

Males

8687

M45-49

8687

30K→20M

18.6 - 20.0 mi

Top 40%
Γ—5
+64ft-50ft

Overall

11618

Males

8363

M45-49

8363

20M→21M

20.0 - 21.0 mi

Top 41%
Γ—8
+106ft-24ft

Overall

11814

Males

8345

M45-49

8345

21M→35K

21.0 - 21.8 mi

Top 46%
Γ—7
+17ft-86ft

Overall

13322

Males

8998

M45-49

8998

35K→23M

21.8 - 23.0 mi

Top 36%
Γ—5
+23ft-63ft

Overall

10529

Males

7628

M45-49

7628

23M→24M

23.0 - 24.0 mi

Top 34%
Γ—6
+12ft-82ft

Overall

9934

Males

7264

M45-49

7264

24M→40K

24.0 - 24.9 mi

Top 32%
Γ—1
+6ft-20ft

Overall

9291

Males

6846

M45-49

6846

40K→25.2M

24.9 - 25.2 mi

Top 33%
Γ—1
+13ft-16ft

Overall

9689

Males

6978

M45-49

6978

25.2M→FINISH

25.2 - 26.2 mi

Top 34%
Γ—2
+22ft-21ft

Overall

9826

Males

7031

M45-49

7031

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1119
Passed By
3376
Net Change
-2259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#8561
5K β†’ 10K65684-619#8561#9180
10K β†’ 15K17924-909#9180#10089
15K β†’ 20K51562-511#10089#10600
20K β†’ HALF2048-28#10600#10628
HALF β†’ 25K77346-269#10628#10897
25K β†’ 30K123345-222#10897#11119
30K β†’ 20M81117-36#11119#11155
20M β†’ 21M9597-2#11155#11157
21M β†’ 35K3789-52#11157#11209
35K β†’ 23M14048+92#11209#11117
23M β†’ 24M12636+90#11117#11027
24M β†’ 40K12829+99#11027#10928
40K β†’ 25.2M5314+39#10928#10889
25.2M β†’ FINISH10637+69#10889#10820
TOTALS11193376-2259
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