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BOSTON MARATHON 2026

Xiangyang Song

Bib: 19519•F

CA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 44%
Masters (Masters Women)
#0 / 6862
Top 29%
Age Group (F50-54)
#0 / 1233
Top 23%
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
24:37
3.11 mi
Rank: #16369
Start → 5K
24:37 | 7:56/mi
10K
49:17
6.21 mi
Rank: #16578 (-209)
5K → 10K
24:40 | 7:57/mi
15K
1:14:00
9.32 mi
Rank: #16616 (-38)
10K → 15K
24:43 | 7:58/mi
20K
1:39:12
12.43 mi
Rank: #16672 (-56)
15K → 20K
25:12 | 8:07/mi
HALF
1:44:31
13.11 mi
Rank: #16618 (+54)
20K → HALF
5:19 | 7:48/mi
25K
2:04:13
15.53 mi
Rank: #16518 (+100)
HALF → 25K
19:42 | 8:08/mi
30K
2:30:05
18.64 mi
Rank: #16363 (+155)
25K → 30K
25:52 | 8:20/mi
20M
2:41:34
20.00 mi
Rank: #16313 (+50)
30K → 20M
11:29 | 8:28/mi
21M
2:50:47
21.00 mi
Rank: #16347 (-34)
20M → 21M
9:13 | 9:13/mi
35K
2:56:48
21.75 mi
Rank: #16253 (+94)
21M → 35K
6:01 | 8:03/mi
23M
3:07:13
23.00 mi
Rank: #16125 (+128)
35K → 23M
10:25 | 8:20/mi
24M
3:15:10
24.00 mi
Rank: #16004 (+121)
23M → 24M
7:57 | 7:57/mi
40K
3:22:25
24.85 mi
Rank: #15961 (+43)
24M → 40K
7:15 | 8:29/mi
25.2M
3:25:39
25.20 mi
Rank: #15966 (-5)
40K → 25.2M
3:14 | 9:23/mi
FINISH
3:33:56
26.22 mi
Rank: #15955 (+11)
25.2M → FINISH
8:17 | 8:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:31
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:49:25
Pace8:21 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:2324:377:5624:37
7:56
-
10K
6.21 mi11:33:0349:177:5624:40
7:57
+0:01
15K
9.32 mi11:57:461:14:007:5724:43
7:58
+0:01
20K
12.43 mi12:22:581:39:127:5925:12
8:07
+0:09
HALF
13.11 mi12:28:171:44:317:595:19
7:48
-0:19
25K
15.53 mi12:47:592:04:138:0019:42
8:08
+0:20
30K
18.64 mi13:13:512:30:058:0425:52
8:20
+0:12
20M
20.00 mi13:25:202:41:348:0511:29
8:28
+0:08
21M
21.00 mi13:34:332:50:478:089:13
9:13
+0:45
35K
21.75 mi13:40:342:56:488:086:01
8:03
-1:10
23M
23.00 mi13:50:593:07:138:0910:25
8:20
+0:17
24M
24.00 mi13:58:563:15:108:087:57
7:57
-0:23
40K
24.85 mi14:06:113:22:258:097:15
8:29
+0:32
25.2M
25.20 mi14:09:253:25:398:103:14
9:23
+0:54
FINISH
26.22 mi14:17:423:33:568:108:17
8:08
-1:15

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

7:48 /mi

Average Pace

8:10 /mi

Slowest Pace

9:23 /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

5:19

2% of race

Time at Steady Pace

2:57:26

83% of race

Time at Slower Pace

31:11

15% of race

Average Pace: 8:10 /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 mi11:08:2324:377:5624:37
7:56
#16369
10K
6.21 mi11:33:0349:177:5624:40
7:57
#16578
15K
9.32 mi11:57:461:14:007:5724:43
7:58
#16616
20K
12.43 mi12:22:581:39:127:5925:12
8:07
#16672
HALF
13.11 mi12:28:171:44:317:595:19
7:48
#16618
25K
15.53 mi12:47:592:04:138:0019:42
8:08
#16518
30K
18.64 mi13:13:512:30:058:0425:52
8:20
#16363
20M
20.00 mi13:25:202:41:348:0511:29
8:28
#16313
21M
21.00 mi13:34:332:50:478:089:13
9:13
#16347
35K
21.75 mi13:40:342:56:488:086:01
8:03
#16253
23M
23.00 mi13:50:593:07:138:0910:25
8:20
#16125
24M
24.00 mi13:58:563:15:108:087:57
7:57
#16004
40K
24.85 mi14:06:113:22:258:097:15
8:29
#15961
25.2M
25.20 mi14:09:253:25:398:103:14
9:23
#15966
FINISH
26.22 mi14:17:423:33:568:108:17
8:08
#15955
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi163695543554316665(Top 57%)5713(Top 45%)5713(Top 463%)
10K6.21 mi3.10 mi16578-2095682-1395682-13916786(Top 58%)5789(Top 46%)5789(Top 470%)
15K9.32 mi3.11 mi16616-385693-115693-1116665(Top 57%)5713(Top 45%)5713(Top 463%)
20K12.43 mi3.11 mi16672-565737-445737-4416930(Top 58%)5899(Top 47%)5899(Top 478%)
HALF13.11 mi0.68 mi16618+545710+275710+2715617(Top 54%)5117(Top 41%)5117(Top 415%)
25K15.53 mi2.42 mi16518+1005656+545656+5416304(Top 56%)5592(Top 44%)5592(Top 454%)
30K18.64 mi3.11 mi16363+1555620+365620+3615807(Top 54%)5418(Top 43%)5418(Top 439%)
20M20.00 mi1.36 mi16313+505602+185602+1815949(Top 55%)5608(Top 45%)5608(Top 455%)
21M21.00 mi1.00 mi16347-345637-355637-3517247(Top 59%)6396(Top 51%)6396(Top 519%)
35K21.75 mi0.75 mi16253+945606+315606+3114812(Top 51%)5093(Top 40%)5093(Top 413%)
23M23.00 mi1.25 mi16125+1285555+515555+5114640(Top 50%)5080(Top 40%)5080(Top 412%)
24M24.00 mi1.00 mi16004+1215508+475508+4713437(Top 46%)4496(Top 36%)4496(Top 365%)
40K24.85 mi0.85 mi15961+435504+45504+415574(Top 54%)5720(Top 45%)5720(Top 464%)
25.2M25.20 mi0.35 mi15966-55507-35507-316764(Top 58%)6370(Top 51%)6370(Top 517%)
FINISH26.22 mi1.02 mi15955+115519-125519-1215999(Top 55%)5943(Top 47%)5943(Top 482%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16665

Females

5713

F50-54

5713

5K→10K

3.1 - 6.2 mi

Top 58%
×5
+79ft-138ft

Overall

16786

Females

5789

F50-54

5789

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16665

Females

5713

F50-54

5713

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16930

Females

5899

F50-54

5899

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15617

Females

5117

F50-54

5117

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16304

Females

5592

F50-54

5592

25K→30K

15.5 - 18.6 mi

Top 54%
×9
+181ft-148ft

Overall

15807

Females

5418

F50-54

5418

30K→20M

18.6 - 20.0 mi

Top 55%
×5
+64ft-50ft

Overall

15949

Females

5608

F50-54

5608

20M→21M

20.0 - 21.0 mi

Top 59%
×8
+106ft-24ft

Overall

17247

Females

6396

F50-54

6396

21M→35K

21.0 - 21.8 mi

Top 51%
×7
+17ft-86ft

Overall

14812

Females

5093

F50-54

5093

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14640

Females

5080

F50-54

5080

23M→24M

23.0 - 24.0 mi

Top 46%
×6
+12ft-82ft

Overall

13437

Females

4496

F50-54

4496

24M→40K

24.0 - 24.9 mi

Top 54%
×1
+6ft-20ft

Overall

15574

Females

5720

F50-54

5720

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16764

Females

6370

F50-54

6370

25.2M→FINISH

25.2 - 26.2 mi

Top 55%
×2
+22ft-21ft

Overall

15999

Females

5943

F50-54

5943

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1817
Passed By
1403
Net Change
+414
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16369
5K → 10K190399-209#16369#16578
10K → 15K183221-38#16578#16616
15K → 20K155211-56#16616#16672
20K → HALF628+54#16672#16618
HALF → 25K18282+100#16618#16518
25K → 30K277122+155#16518#16363
30K → 20M11262+50#16363#16313
20M → 21M86120-34#16313#16347
21M → 35K10713+94#16347#16253
35K → 23M16436+128#16253#16125
23M → 24M13514+121#16125#16004
24M → 40K7936+43#16004#15961
40K → 25.2M2429-5#15961#15966
25.2M → FINISH6150+11#15966#15955
TOTALS18171403+414

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📊

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