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BOSTON MARATHON 2026

Xin Chen

Bib: 23861•M

CA

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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 (M60-64)
#0 / 1514
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
27:08
3.11 mi
Rank: #21368
Start → 5K
27:08 | 8:45/mi
10K
53:21
6.21 mi
Rank: #20658 (+710)
5K → 10K
26:13 | 8:27/mi
15K
1:20:16
9.32 mi
Rank: #20803 (-145)
10K → 15K
26:55 | 8:40/mi
20K
1:48:55
12.43 mi
Rank: #21377 (-574)
15K → 20K
28:39 | 9:14/mi
HALF
1:55:09
13.11 mi
Rank: #21476 (-99)
20K → HALF
6:14 | 9:09/mi
25K
2:17:59
15.53 mi
Rank: #21707 (-231)
HALF → 25K
22:50 | 9:25/mi
30K
2:51:35
18.64 mi
Rank: #22643 (-936)
25K → 30K
33:36 | 10:49/mi
20M
3:05:49
20.00 mi
Rank: #22731 (-88)
30K → 20M
14:14 | 10:29/mi
21M
3:16:27
21.00 mi
Rank: #22700 (+31)
20M → 21M
10:38 | 10:38/mi
35K
3:23:34
21.75 mi
Rank: #22670 (+30)
21M → 35K
7:07 | 9:31/mi
23M
3:35:49
23.00 mi
Rank: #22593 (+77)
35K → 23M
12:15 | 9:48/mi
24M
3:46:08
24.00 mi
Rank: #22649 (-56)
23M → 24M
10:19 | 10:19/mi
40K
3:54:51
24.85 mi
Rank: #22619 (+30)
24M → 40K
8:43 | 10:12/mi
25.2M
3:58:37
25.20 mi
Rank: #22621 (-2)
40K → 25.2M
3:46 | 10:56/mi
FINISH
4:08:30
26.22 mi
Rank: #22627 (-6)
25.2M → FINISH
9:53 | 9:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:55:09
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:13:21
Pace10:11 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0927:088:4527:08
8:45
-
10K
6.21 mi12:17:2253:218:3626:13
8:27
-0:18
15K
9.32 mi12:44:171:20:168:3726:55
8:40
+0:13
20K
12.43 mi13:12:561:48:558:4628:39
9:14
+0:34
HALF
13.11 mi13:19:101:55:098:486:14
9:09
-0:05
25K
15.53 mi13:42:002:17:598:5322:50
9:25
+0:16
30K
18.64 mi14:15:362:51:359:1333:36
10:49
+1:24
20M
20.00 mi14:29:503:05:499:1814:14
10:29
-0:20
21M
21.00 mi14:40:283:16:279:2210:38
10:38
+0:09
35K
21.75 mi14:47:353:23:349:227:07
9:31
-1:07
23M
23.00 mi14:59:503:35:499:2412:15
9:48
+0:17
24M
24.00 mi15:10:093:46:089:2610:19
10:19
+0:31
40K
24.85 mi15:18:523:54:519:278:43
10:12
-0:07
25.2M
25.20 mi15:22:383:58:379:293:46
10:56
+0:44
FINISH
26.22 mi15:32:314:08:309:309:53
9:42
-1:14

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

8:27 /mi

Average Pace

9:29 /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

1:55:09

46% of race

Time at Steady Pace

52:05

21% of race

Time at Slower Pace

1:21:16

33% of race

Average Pace: 9:29 /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 mi11:51:0927:088:4527:08
8:45
#21368
10K
6.21 mi12:17:2253:218:3626:13
8:27
#20658
15K
9.32 mi12:44:171:20:168:3726:55
8:40
#20803
20K
12.43 mi13:12:561:48:558:4628:39
9:14
#21377
HALF
13.11 mi13:19:101:55:098:486:14
9:09
#21476
25K
15.53 mi13:42:002:17:598:5322:50
9:25
#21707
30K
18.64 mi14:15:362:51:359:1333:36
10:49
#22643
20M
20.00 mi14:29:503:05:499:1814:14
10:29
#22731
21M
21.00 mi14:40:283:16:279:2210:38
10:38
#22700
35K
21.75 mi14:47:353:23:349:227:07
9:31
#22670
23M
23.00 mi14:59:503:35:499:2412:15
9:48
#22593
24M
24.00 mi15:10:093:46:089:2610:19
10:19
#22649
40K
24.85 mi15:18:523:54:519:278:43
10:12
#22619
25.2M
25.20 mi15:22:383:58:379:293:46
10:56
#22621
FINISH
26.22 mi15:32:314:08:309:309:53
9:42
#22627
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21368129071290721001(Top 72%)12793(Top 78%)12793(Top 845%)
10K6.21 mi3.10 mi20658+71012600+30712600+30720006(Top 69%)12327(Top 75%)12327(Top 814%)
15K9.32 mi3.11 mi20803-14512678-7812678-7821001(Top 72%)12793(Top 78%)12793(Top 845%)
20K12.43 mi3.11 mi21377-57412922-24412922-24422835(Top 79%)13655(Top 84%)13655(Top 902%)
HALF13.11 mi0.68 mi21476-9912979-5712979-5723261(Top 80%)13873(Top 85%)13873(Top 916%)
25K15.53 mi2.42 mi21707-23113100-12113100-12122759(Top 78%)13592(Top 83%)13592(Top 898%)
30K18.64 mi3.11 mi22643-93613533-43313533-43324968(Top 86%)14517(Top 89%)14517(Top 959%)
20M20.00 mi1.36 mi22731-8813560-2713560-2723793(Top 82%)13899(Top 85%)13899(Top 918%)
21M21.00 mi1.00 mi22700+3113523+3713523+3722259(Top 77%)13149(Top 80%)13149(Top 868%)
35K21.75 mi0.75 mi22670+3013499+2413499+2421797(Top 75%)12867(Top 79%)12867(Top 850%)
23M23.00 mi1.25 mi22593+7713446+5313446+5321526(Top 74%)12695(Top 78%)12695(Top 839%)
24M24.00 mi1.00 mi22649-5613454-813454-823637(Top 81%)13673(Top 84%)13673(Top 903%)
40K24.85 mi0.85 mi22619+3013425+2913425+2922428(Top 77%)13024(Top 80%)13024(Top 860%)
25.2M25.20 mi0.35 mi22621-213423+213423+222167(Top 76%)12916(Top 79%)12916(Top 853%)
FINISH26.22 mi1.02 mi22627-613414+913414+922958(Top 79%)13292(Top 81%)13292(Top 878%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

21001

Males

12793

M60-64

12793

5K→10K

3.1 - 6.2 mi

Top 69%
×5
+79ft-138ft

Overall

20006

Males

12327

M60-64

12327

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

21001

Males

12793

M60-64

12793

15K→20K

9.3 - 12.4 mi

Top 79%
×5
+106ft-86ft

Overall

22835

Males

13655

M60-64

13655

20K→HALF

12.4 - 13.1 mi

Top 80%
×2
+19ft-37ft

Overall

23261

Males

13873

M60-64

13873

HALF→25K

13.1 - 15.5 mi

Top 78%
×4
+66ft-88ft

Overall

22759

Males

13592

M60-64

13592

25K→30K

15.5 - 18.6 mi

Top 86%
×9
+181ft-148ft

Overall

24968

Males

14517

M60-64

14517

30K→20M

18.6 - 20.0 mi

Top 82%
×5
+64ft-50ft

Overall

23793

Males

13899

M60-64

13899

20M→21M

20.0 - 21.0 mi

Top 77%
×8
+106ft-24ft

Overall

22259

Males

13149

M60-64

13149

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21797

Males

12867

M60-64

12867

35K→23M

21.8 - 23.0 mi

Top 74%
×5
+23ft-63ft

Overall

21526

Males

12695

M60-64

12695

23M→24M

23.0 - 24.0 mi

Top 81%
×6
+12ft-82ft

Overall

23637

Males

13673

M60-64

13673

24M→40K

24.0 - 24.9 mi

Top 77%
×1
+6ft-20ft

Overall

22428

Males

13024

M60-64

13024

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1
+13ft-16ft

Overall

22167

Males

12916

M60-64

12916

25.2M→FINISH

25.2 - 26.2 mi

Top 79%
×2
+22ft-21ft

Overall

22958

Males

13292

M60-64

13292

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1535*
Passed By
1425
Net Change
-1259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21368
5K → 10K796*86+710#21368#20658
10K → 15K138200-145#20658#20803
15K → 20K47200-574#20803#21377
20K → HALF12111-99#21377#21476
HALF → 25K66200-231#21476#21707
25K → 30K32200-936#21707#22643
30K → 20M48136-88#22643#22731
20M → 21M8049+31#22731#22700
21M → 35K5222+30#22700#22670
35K → 23M11437+77#22670#22593
23M → 24M3086-56#22593#22649
24M → 40K6838+30#22649#22619
40K → 25.2M1113-2#22619#22621
25.2M → FINISH4147-6#22621#22627
TOTALS1535*1425-1259

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing