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BOSTON MARATHON 2026

Shangcai Xie

Bib: 9513•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 28%
Gender (Male)
#0 / 16340
Top 41%
Masters (Masters Men)
#0 / 10617
Top 28%
Age Group (M50-54)
#0 / 1868
Top 24%
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
21:45
3.11 mi
Rank: #8552
Start → 5K
21:45 | 7:01/mi
10K
43:26
6.21 mi
Rank: #8507 (+45)
5K → 10K
21:41 | 6:59/mi
15K
1:04:57
9.32 mi
Rank: #8340 (+167)
10K → 15K
21:31 | 6:56/mi
20K
1:27:43
12.43 mi
Rank: #8787 (-447)
15K → 20K
22:46 | 7:20/mi
HALF
1:32:39
13.11 mi
Rank: #8850 (-63)
20K → HALF
4:56 | 7:15/mi
25K
1:49:44
15.53 mi
Rank: #8635 (+215)
HALF → 25K
17:05 | 7:03/mi
30K
2:12:17
18.64 mi
Rank: #8401 (+234)
25K → 30K
22:33 | 7:16/mi
20M
2:22:16
20.00 mi
Rank: #8318 (+83)
30K → 20M
9:59 | 7:21/mi
21M
2:30:07
21.00 mi
Rank: #8305 (+13)
20M → 21M
7:51 | 7:51/mi
35K
2:35:32
21.75 mi
Rank: #8295 (+10)
21M → 35K
5:25 | 7:15/mi
23M
2:44:23
23.00 mi
Rank: #8101 (+194)
35K → 23M
8:51 | 7:05/mi
24M
2:51:31
24.00 mi
Rank: #8039 (+62)
23M → 24M
7:08 | 7:08/mi
40K
2:58:03
24.85 mi
Rank: #8059 (-20)
24M → 40K
6:32 | 7:39/mi
25.2M
3:00:47
25.20 mi
Rank: #8027 (+32)
40K → 25.2M
2:44 | 7:56/mi
FINISH
3:08:01
26.22 mi
Rank: #8009 (+18)
25.2M → FINISH
7:14 | 7:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:39
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:35:22
Pace7:17 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:2721:457:0121:45
7:01
-
10K
6.21 mi11:00:0843:267:0021:41
6:59
-0:02
15K
9.32 mi11:21:391:04:576:5921:31
6:56
-0:03
20K
12.43 mi11:44:251:27:437:0422:46
7:20
+0:24
HALF
13.11 mi11:49:211:32:397:054:56
7:15
-0:05
25K
15.53 mi12:06:261:49:447:0417:05
7:03
-0:12
30K
18.64 mi12:28:592:12:177:0622:33
7:16
+0:13
20M
20.00 mi12:38:582:22:167:079:59
7:21
+0:05
21M
21.00 mi12:46:492:30:077:097:51
7:51
+0:30
35K
21.75 mi12:52:142:35:327:105:25
7:15
-0:36
23M
23.00 mi13:01:052:44:237:098:51
7:05
-0:10
24M
24.00 mi13:08:132:51:317:097:08
7:08
+0:03
40K
24.85 mi13:14:452:58:037:106:32
7:39
+0:31
25.2M
25.20 mi13:17:293:00:477:112:44
7:56
+0:17
FINISH
26.22 mi13:24:433:08:017:117:14
7:06
-0:50

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

6:56 /mi

Average Pace

7:11 /mi

Slowest Pace

7:56 /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

2:50:54

91% of race

Time at Steady Pace

17:07

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:38:2721:457:0121:45
7:01
#8552
10K
6.21 mi11:00:0843:267:0021:41
6:59
#8507
15K
9.32 mi11:21:391:04:576:5921:31
6:56
#8340
20K
12.43 mi11:44:251:27:437:0422:46
7:20
#8787
HALF
13.11 mi11:49:211:32:397:054:56
7:15
#8850
25K
15.53 mi12:06:261:49:447:0417:05
7:03
#8635
30K
18.64 mi12:28:592:12:177:0622:33
7:16
#8401
20M
20.00 mi12:38:582:22:167:079:59
7:21
#8318
21M
21.00 mi12:46:492:30:077:097:51
7:51
#8305
35K
21.75 mi12:52:142:35:327:105:25
7:15
#8295
23M
23.00 mi13:01:052:44:237:098:51
7:05
#8101
24M
24.00 mi13:08:132:51:317:097:08
7:08
#8039
40K
24.85 mi13:14:452:58:037:106:32
7:39
#8059
25.2M
25.20 mi13:17:293:00:477:112:44
7:56
#8027
FINISH
26.22 mi13:24:433:08:017:117:14
7:06
#8009
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8552727372738006(Top 28%)6870(Top 42%)6870(Top 368%)
10K6.21 mi3.10 mi8507+457213+607213+608522(Top 29%)7215(Top 44%)7215(Top 386%)
15K9.32 mi3.11 mi8340+1677092+1217092+1218006(Top 28%)6870(Top 42%)6870(Top 368%)
20K12.43 mi3.11 mi8787-4477363-2717363-27110415(Top 36%)8117(Top 50%)8117(Top 435%)
HALF13.11 mi0.68 mi8850-637401-387401-3810524(Top 36%)8213(Top 50%)8213(Top 440%)
25K15.53 mi2.42 mi8635+2157249+1527249+1527709(Top 27%)6592(Top 40%)6592(Top 353%)
30K18.64 mi3.11 mi8401+2347069+1807069+1807776(Top 27%)6479(Top 40%)6479(Top 347%)
20M20.00 mi1.36 mi8318+836993+766993+768015(Top 28%)6509(Top 40%)6509(Top 348%)
21M21.00 mi1.00 mi8305+136966+276966+278829(Top 30%)6840(Top 42%)6840(Top 366%)
35K21.75 mi0.75 mi8295+106942+246942+248807(Top 30%)6853(Top 42%)6853(Top 367%)
23M23.00 mi1.25 mi8101+1946794+1486794+1485946(Top 20%)5074(Top 31%)5074(Top 272%)
24M24.00 mi1.00 mi8039+626737+576737+577368(Top 25%)5899(Top 36%)5899(Top 316%)
40K24.85 mi0.85 mi8059-206713+246713+249854(Top 34%)7126(Top 44%)7126(Top 381%)
25.2M25.20 mi0.35 mi8027+326683+306683+307844(Top 27%)6014(Top 37%)6014(Top 322%)
FINISH26.22 mi1.02 mi8009+186642+416642+418301(Top 29%)6213(Top 38%)6213(Top 333%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21
+97ft-345ft

Overall

8006

Males

6870

M50-54

6870

5K→10K

3.1 - 6.2 mi

Top 29%
×5
+79ft-138ft

Overall

8522

Males

7215

M50-54

7215

10K→15K

6.2 - 9.3 mi

Top 28%
×3
+67ft-78ft

Overall

8006

Males

6870

M50-54

6870

15K→20K

9.3 - 12.4 mi

Top 36%
×5
+106ft-86ft

Overall

10415

Males

8117

M50-54

8117

20K→HALF

12.4 - 13.1 mi

Top 36%
×2
+19ft-37ft

Overall

10524

Males

8213

M50-54

8213

HALF→25K

13.1 - 15.5 mi

Top 27%
×4
+66ft-88ft

Overall

7709

Males

6592

M50-54

6592

25K→30K

15.5 - 18.6 mi

Top 27%
×9
+181ft-148ft

Overall

7776

Males

6479

M50-54

6479

30K→20M

18.6 - 20.0 mi

Top 28%
×5
+64ft-50ft

Overall

8015

Males

6509

M50-54

6509

20M→21M

20.0 - 21.0 mi

Top 30%
×8
+106ft-24ft

Overall

8829

Males

6840

M50-54

6840

21M→35K

21.0 - 21.8 mi

Top 30%
×7
+17ft-86ft

Overall

8807

Males

6853

M50-54

6853

35K→23M

21.8 - 23.0 mi

Top 20%
×5
+23ft-63ft

Overall

5946

Males

5074

M50-54

5074

23M→24M

23.0 - 24.0 mi

Top 25%
×6
+12ft-82ft

Overall

7368

Males

5899

M50-54

5899

24M→40K

24.0 - 24.9 mi

Top 34%
×1
+6ft-20ft

Overall

9854

Males

7126

M50-54

7126

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1
+13ft-16ft

Overall

7844

Males

6014

M50-54

6014

25.2M→FINISH

25.2 - 26.2 mi

Top 29%
×2
+22ft-21ft

Overall

8301

Males

6213

M50-54

6213

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1765*
Passed By
934
Net Change
+543
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8552
5K → 10K239*194+45#8552#8507
10K → 15K232*65+167#8507#8340
15K → 20K41200-447#8340#8787
20K → HALF871-63#8787#8850
HALF → 25K232*17+215#8850#8635
25K → 30K278*44+234#8635#8401
30K → 20M11936+83#8401#8318
20M → 21M8067+13#8318#8305
21M → 35K4939+10#8305#8295
35K → 23M204*10+194#8295#8101
23M → 24M8624+62#8101#8039
24M → 40K6383-20#8039#8059
40K → 25.2M4917+32#8059#8027
25.2M → FINISH8567+18#8027#8009
TOTALS1765*934+543

* 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