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BOSTON MARATHON 2026

Yuanlong Xu

Bib: 19807 •X •Age: N/A

TX

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Overall
#0 / 29021
Gender (Other)
#0 / 103
Age Group
Not available
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
27:00
3.11 mi
Rank: #21150
Start → 5K
27:00 | 8:42/mi
10K
54:08
6.21 mi
Rank: #21392 (-242)
5K → 10K
27:08 | 8:45/mi
15K
1:21:14
9.32 mi
Rank: #21349 (+43)
10K → 15K
27:06 | 8:44/mi
20K
1:48:36
12.43 mi
Rank: #21239 (+110)
15K → 20K
27:22 | 8:49/mi
HALF
1:54:24
13.11 mi
Rank: #21196 (+43)
20K → HALF
5:48 | 8:31/mi
25K
2:15:22
15.53 mi
Rank: #20908 (+288)
HALF → 25K
20:58 | 8:39/mi
30K
2:42:53
18.64 mi
Rank: #20547 (+361)
25K → 30K
27:31 | 8:52/mi
20M
2:54:46
20.00 mi
Rank: #20312 (+235)
30K → 20M
11:53 | 8:45/mi
21M
3:04:19
21.00 mi
Rank: #20234 (+78)
20M → 21M
9:33 | 9:33/mi
35K
3:11:03
21.75 mi
Rank: #20229 (+5)
21M → 35K
6:44 | 9:01/mi
23M
3:23:13
23.00 mi
Rank: #20316 (-87)
35K → 23M
12:10 | 9:44/mi
24M
3:32:18
24.00 mi
Rank: #20289 (+27)
23M → 24M
9:05 | 9:05/mi
40K
3:40:04
24.85 mi
Rank: #20218 (+71)
24M → 40K
7:46 | 9:06/mi
25.2M
3:43:34
25.20 mi
Rank: #20218
40K → 25.2M
3:30 | 10:09/mi
FINISH
3:53:11
26.22 mi
Rank: #20305 (-87)
25.2M → FINISH
9:37 | 9:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:54:24
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time1:58:47
Pace9:04 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:0427:008:4227:00
8:42
-
10K
6.21 mi11:38:1254:088:4327:08
8:45
+0:03
15K
9.32 mi12:05:181:21:148:4327:06
8:44
-0:01
20K
12.43 mi12:32:401:48:368:4527:22
8:49
+0:05
HALF
13.11 mi12:38:281:54:248:445:48
8:31
-0:18
25K
15.53 mi12:59:262:15:228:4320:58
8:39
+0:08
30K
18.64 mi13:26:572:42:538:4527:31
8:52
+0:13
20M
20.00 mi13:38:502:54:468:4511:53
8:45
-0:07
21M
21.00 mi13:48:233:04:198:479:33
9:33
+0:48
35K
21.75 mi13:55:073:11:038:486:44
9:01
-0:32
23M
23.00 mi14:07:173:23:138:5112:10
9:44
+0:43
24M
24.00 mi14:16:223:32:188:519:05
9:05
-0:39
40K
24.85 mi14:24:083:40:048:527:46
9:06
+0:01
25.2M
25.20 mi14:27:383:43:348:533:30
10:09
+1:03
FINISH
26.22 mi14:37:153:53:118:559:37
9:27
-0:42

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

8:31 /mi

Average Pace

8:54 /mi

Slowest Pace

10:09 /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

3:18:21

85% of race

Time at Steady Pace

31:20

13% of race

Time at Slower Pace

3:30

2% of race

Average Pace: 8:54 /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 mi11:11:0427:008:4227:00
8:42
#21150
10K
6.21 mi11:38:1254:088:4327:08
8:45
#21392
15K
9.32 mi12:05:181:21:148:4327:06
8:44
#21349
20K
12.43 mi12:32:401:48:368:4527:22
8:49
#21239
HALF
13.11 mi12:38:281:54:248:445:48
8:31
#21196
25K
15.53 mi12:59:262:15:228:4320:58
8:39
#20908
30K
18.64 mi13:26:572:42:538:4527:31
8:52
#20547
20M
20.00 mi13:38:502:54:468:4511:53
8:45
#20312
21M
21.00 mi13:48:233:04:198:479:33
9:33
#20234
35K
21.75 mi13:55:073:11:038:486:44
9:01
#20229
23M
23.00 mi14:07:173:23:138:5112:10
9:44
#20316
24M
24.00 mi14:16:223:32:188:519:05
9:05
#20289
40K
24.85 mi14:24:083:40:048:527:46
9:06
#20218
25.2M
25.20 mi14:27:383:43:348:533:30
10:09
#20218
FINISH
26.22 mi14:37:153:53:118:559:37
9:27
#20305
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi21150909021346(Top 74%)92(Top 89%)92
10K6.21 mi3.10 mi21392-24294-494-421597(Top 74%)94(Top 91%)94
15K9.32 mi3.11 mi21349+43949421346(Top 74%)92(Top 89%)92
20K12.43 mi3.11 mi21239+11092+292+221036(Top 72%)88(Top 85%)88
HALF13.11 mi0.68 mi21196+4393-193-120375(Top 70%)85(Top 83%)85
25K15.53 mi2.42 mi20908+28889+489+419455(Top 67%)83(Top 81%)83
30K18.64 mi3.11 mi20547+36186+386+318886(Top 65%)76(Top 74%)76
20M20.00 mi1.36 mi20312+23585+185+117710(Top 61%)67(Top 65%)67
21M21.00 mi1.00 mi20234+7884+184+118758(Top 65%)71(Top 69%)71
35K21.75 mi0.75 mi20229+5848420076(Top 69%)72(Top 70%)72
23M23.00 mi1.25 mi20316-87848421335(Top 74%)79(Top 77%)79
24M24.00 mi1.00 mi20289+27848419840(Top 68%)71(Top 69%)71
40K24.85 mi0.85 mi20218+71848418836(Top 65%)68(Top 66%)68
25.2M25.20 mi0.35 mi20218848420021(Top 69%)77(Top 75%)77
FINISH26.22 mi1.02 mi20305-8785-185-122173(Top 76%)82(Top 80%)82

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21
+97ft-345ft

Overall

21346

X

92

Age Div

92

5K→10K

3.1 - 6.2 mi

Top 74%
×5
+79ft-138ft

Overall

21597

X

94

Age Div

94

10K→15K

6.2 - 9.3 mi

Top 74%
×3
+67ft-78ft

Overall

21346

X

92

Age Div

92

15K→20K

9.3 - 12.4 mi

Top 72%
×5
+106ft-86ft

Overall

21036

X

88

Age Div

88

20K→HALF

12.4 - 13.1 mi

Top 70%
×2
+19ft-37ft

Overall

20375

X

85

Age Div

85

HALF→25K

13.1 - 15.5 mi

Top 67%
×4
+66ft-88ft

Overall

19455

X

83

Age Div

83

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18886

X

76

Age Div

76

30K→20M

18.6 - 20.0 mi

Top 61%
×5
+64ft-50ft

Overall

17710

X

67

Age Div

67

20M→21M

20.0 - 21.0 mi

Top 65%
×8
+106ft-24ft

Overall

18758

X

71

Age Div

71

21M→35K

21.0 - 21.8 mi

Top 69%
×7
+17ft-86ft

Overall

20076

X

72

Age Div

72

35K→23M

21.8 - 23.0 mi

Top 74%
×5
+23ft-63ft

Overall

21335

X

79

Age Div

79

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19840

X

71

Age Div

71

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18836

X

68

Age Div

68

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1
+13ft-16ft

Overall

20021

X

77

Age Div

77

25.2M→FINISH

25.2 - 26.2 mi

Top 76%
×2
+22ft-21ft

Overall

22173

X

82

Age Div

82

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1995*
Passed By
931
Net Change
+845
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21150
5K → 10K177200-242#21150#21392
10K → 15K201*158+43#21392#21349
15K → 20K212*102+110#21349#21239
20K → HALF5512+43#21239#21196
HALF → 25K303*15+288#21196#20908
25K → 30K385*24+361#20908#20547
30K → 20M241*6+235#20547#20312
20M → 21M11436+78#20312#20234
21M → 35K4641+5#20234#20229
35K → 23M47134-87#20229#20316
23M → 24M7346+27#20316#20289
24M → 40K9120+71#20289#20218
40K → 25.2M24240#20218#20218
25.2M → FINISH26113-87#20218#20305
TOTALS1995*931+845

* 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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing