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BOSTON MARATHON 2026

Xiaoxing Xi

Bib: 24797•M

PA

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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 (M65-69)
#0 / 774
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
29:36
3.11 mi
Rank: #24554
Start → 5K
29:36 | 9:32/mi
10K
57:54
6.21 mi
Rank: #23973 (+581)
5K → 10K
28:18 | 9:07/mi
15K
1:26:20
9.32 mi
Rank: #23768 (+205)
10K → 15K
28:26 | 9:10/mi
20K
1:55:02
12.43 mi
Rank: #23573 (+195)
15K → 20K
28:42 | 9:15/mi
HALF
2:00:56
13.11 mi
Rank: #23464 (+109)
20K → HALF
5:54 | 8:40/mi
25K
2:23:51
15.53 mi
Rank: #23336 (+128)
HALF → 25K
22:55 | 9:27/mi
30K
2:54:23
18.64 mi
Rank: #23188 (+148)
25K → 30K
30:32 | 9:50/mi
20M
3:08:10
20.00 mi
Rank: #23145 (+43)
30K → 20M
13:47 | 10:09/mi
21M
3:18:31
21.00 mi
Rank: #23033 (+112)
20M → 21M
10:21 | 10:21/mi
35K
3:25:39
21.75 mi
Rank: #22970 (+63)
21M → 35K
7:08 | 9:33/mi
23M
3:37:19
23.00 mi
Rank: #22794 (+176)
35K → 23M
11:40 | 9:20/mi
24M
3:46:37
24.00 mi
Rank: #22714 (+80)
23M → 24M
9:18 | 9:18/mi
40K
3:54:50
24.85 mi
Rank: #22618 (+96)
24M → 40K
8:13 | 9:37/mi
25.2M
3:58:36
25.20 mi
Rank: #22618
40K → 25.2M
3:46 | 10:56/mi
FINISH
4:07:47
26.22 mi
Rank: #22549 (+69)
25.2M → FINISH
9:11 | 9:01/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:00:56
Pace9:14 /mi
2nd Half
Distance13.11 mi
Time2:06:51
Pace9:41 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:35:5629:369:3229:36
9:32
-
10K
6.21 mi12:04:1457:549:2028:18
9:07
-0:25
15K
9.32 mi12:32:401:26:209:1628:26
9:10
+0:03
20K
12.43 mi13:01:221:55:029:1628:42
9:15
+0:05
HALF
13.11 mi13:07:162:00:569:145:54
8:40
-0:35
25K
15.53 mi13:30:112:23:519:1622:55
9:27
+0:47
30K
18.64 mi14:00:432:54:239:2230:32
9:50
+0:23
20M
20.00 mi14:14:303:08:109:2513:47
10:09
+0:19
21M
21.00 mi14:24:513:18:319:2810:21
10:21
+0:12
35K
21.75 mi14:31:593:25:399:287:08
9:33
-0:48
23M
23.00 mi14:43:393:37:199:2711:40
9:20
-0:13
24M
24.00 mi14:52:573:46:379:279:18
9:18
-0:02
40K
24.85 mi15:01:103:54:509:278:13
9:37
+0:19
25.2M
25.20 mi15:04:563:58:369:293:46
10:56
+1:19
FINISH
26.22 mi15:14:074:07:479:289:11
9:01
-1:55

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

8:40 /mi

Average Pace

9:27 /mi

Slowest Pace

10:56 /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

1:11:49

29% of race

Time at Steady Pace

1:57:32

47% of race

Time at Slower Pace

58:26

24% of race

Average Pace: 9:27 /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 mi11:35:5629:369:3229:36
9:32
#24554
10K
6.21 mi12:04:1457:549:2028:18
9:07
#23973
15K
9.32 mi12:32:401:26:209:1628:26
9:10
#23768
20K
12.43 mi13:01:221:55:029:1628:42
9:15
#23573
HALF
13.11 mi13:07:162:00:569:145:54
8:40
#23464
25K
15.53 mi13:30:112:23:519:1622:55
9:27
#23336
30K
18.64 mi14:00:432:54:239:2230:32
9:50
#23188
20M
20.00 mi14:14:303:08:109:2513:47
10:09
#23145
21M
21.00 mi14:24:513:18:319:2810:21
10:21
#23033
35K
21.75 mi14:31:593:25:399:287:08
9:33
#22970
23M
23.00 mi14:43:393:37:199:2711:40
9:20
#22794
24M
24.00 mi14:52:573:46:379:279:18
9:18
#22714
40K
24.85 mi15:01:103:54:509:278:13
9:37
#22618
25.2M
25.20 mi15:04:563:58:369:293:46
10:56
#22618
FINISH
26.22 mi15:14:074:07:479:289:11
9:01
#22549
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi24554144991449923317(Top 80%)13915(Top 85%)13915(Top 1798%)
10K6.21 mi3.10 mi23973+58114235+26414235+26423268(Top 80%)13877(Top 85%)13877(Top 1793%)
15K9.32 mi3.11 mi23768+20514133+10214133+10223317(Top 80%)13915(Top 85%)13915(Top 1798%)
20K12.43 mi3.11 mi23573+19514034+9914034+9922896(Top 79%)13686(Top 84%)13686(Top 1768%)
HALF13.11 mi0.68 mi23464+10913978+5613978+5621104(Top 73%)12851(Top 79%)12851(Top 1660%)
25K15.53 mi2.42 mi23336+12813892+8613892+8622864(Top 79%)13635(Top 83%)13635(Top 1762%)
30K18.64 mi3.11 mi23188+14813777+11513777+11522641(Top 78%)13452(Top 82%)13452(Top 1738%)
20M20.00 mi1.36 mi23145+4313738+3913738+3922937(Top 79%)13508(Top 83%)13508(Top 1745%)
21M21.00 mi1.00 mi23033+11213682+5613682+5621539(Top 74%)12808(Top 78%)12808(Top 1655%)
35K21.75 mi0.75 mi22970+6313643+3913643+3921864(Top 75%)12896(Top 79%)12896(Top 1666%)
23M23.00 mi1.25 mi22794+17613542+10113542+10119911(Top 69%)11903(Top 73%)11903(Top 1538%)
24M24.00 mi1.00 mi22714+8013481+6113481+6120633(Top 71%)12199(Top 75%)12199(Top 1576%)
40K24.85 mi0.85 mi22618+9613424+5713424+5720765(Top 72%)12237(Top 75%)12237(Top 1581%)
25.2M25.20 mi0.35 mi2261813421+313421+322166(Top 76%)12915(Top 79%)12915(Top 1669%)
FINISH26.22 mi1.02 mi22549+6913382+3913382+3920563(Top 71%)12141(Top 74%)12141(Top 1569%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21
+97ft-345ft

Overall

23317

Males

13915

M65-69

13915

5K→10K

3.1 - 6.2 mi

Top 80%
×5
+79ft-138ft

Overall

23268

Males

13877

M65-69

13877

10K→15K

6.2 - 9.3 mi

Top 80%
×3
+67ft-78ft

Overall

23317

Males

13915

M65-69

13915

15K→20K

9.3 - 12.4 mi

Top 79%
×5
+106ft-86ft

Overall

22896

Males

13686

M65-69

13686

20K→HALF

12.4 - 13.1 mi

Top 73%
×2
+19ft-37ft

Overall

21104

Males

12851

M65-69

12851

HALF→25K

13.1 - 15.5 mi

Top 79%
×4
+66ft-88ft

Overall

22864

Males

13635

M65-69

13635

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22641

Males

13452

M65-69

13452

30K→20M

18.6 - 20.0 mi

Top 79%
×5
+64ft-50ft

Overall

22937

Males

13508

M65-69

13508

20M→21M

20.0 - 21.0 mi

Top 74%
×8
+106ft-24ft

Overall

21539

Males

12808

M65-69

12808

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21864

Males

12896

M65-69

12896

35K→23M

21.8 - 23.0 mi

Top 69%
×5
+23ft-63ft

Overall

19911

Males

11903

M65-69

11903

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20633

Males

12199

M65-69

12199

24M→40K

24.0 - 24.9 mi

Top 72%
×1
+6ft-20ft

Overall

20765

Males

12237

M65-69

12237

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1
+13ft-16ft

Overall

22166

Males

12915

M65-69

12915

25.2M→FINISH

25.2 - 26.2 mi

Top 71%
×2
+22ft-21ft

Overall

20563

Males

12141

M65-69

12141

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2433
Passed By
428
Net Change
+2005
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24554
5K → 10K62241+581#24554#23973
10K → 15K27267+205#23973#23768
15K → 20K25055+195#23768#23573
20K → HALF1090+109#23573#23464
HALF → 25K18557+128#23464#23336
25K → 30K22173+148#23336#23188
30K → 20M9249+43#23188#23145
20M → 21M14028+112#23145#23033
21M → 35K729+63#23033#22970
35K → 23M1793+176#22970#22794
23M → 24M877+80#22794#22714
24M → 40K11014+96#22714#22618
40K → 25.2M13130#22618#22618
25.2M → FINISH8112+69#22618#22549
TOTALS2433428+2005
📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing