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BOSTON MARATHON 2026

Hsuanhsu Su

Bib: 8681•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 30%
Gender (Male)
#0 / 16340
Top 43%
Masters (Masters Men)
#0 / 10617
Top 31%
Age Group (M50-54)
#0 / 1868
Top 28%
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
21:47
3.11 mi
Rank: #8636
Start → 5K
21:47 | 7:01/mi
10K
43:47
6.21 mi
Rank: #8936 (-300)
5K → 10K
22:00 | 7:05/mi
15K
1:05:28
9.32 mi
Rank: #8737 (+199)
10K → 15K
21:41 | 6:59/mi
20K
1:27:39
12.43 mi
Rank: #8746 (-9)
15K → 20K
22:11 | 7:09/mi
HALF
1:32:25
13.11 mi
Rank: #8730 (+16)
20K → HALF
4:46 | 7:00/mi
25K
1:49:40
15.53 mi
Rank: #8596 (+134)
HALF → 25K
17:15 | 7:07/mi
30K
2:12:45
18.64 mi
Rank: #8586 (+10)
25K → 30K
23:05 | 7:26/mi
20M
2:22:58
20.00 mi
Rank: #8601 (-15)
30K → 20M
10:13 | 7:32/mi
21M
2:31:12
21.00 mi
Rank: #8711 (-110)
20M → 21M
8:14 | 8:14/mi
35K
2:36:31
21.75 mi
Rank: #8642 (+69)
21M → 35K
5:19 | 7:07/mi
23M
2:45:40
23.00 mi
Rank: #8535 (+107)
35K → 23M
9:09 | 7:19/mi
24M
2:53:03
24.00 mi
Rank: #8523 (+12)
23M → 24M
7:23 | 7:23/mi
40K
2:59:38
24.85 mi
Rank: #8564 (-41)
24M → 40K
6:35 | 7:42/mi
25.2M
3:02:44
25.20 mi
Rank: #8643 (-79)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:10:47
26.22 mi
Rank: #8822 (-179)
25.2M → FINISH
8:03 | 7:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:25
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:38:22
Pace7:31 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:5321:477:0121:47
7:01
-
10K
6.21 mi10:58:5343:477:0322:00
7:05
+0:04
15K
9.32 mi11:20:341:05:287:0221:41
6:59
-0:06
20K
12.43 mi11:42:451:27:397:0422:11
7:09
+0:10
HALF
13.11 mi11:47:311:32:257:034:46
7:00
-0:09
25K
15.53 mi12:04:461:49:407:0417:15
7:07
+0:07
30K
18.64 mi12:27:512:12:457:0823:05
7:26
+0:19
20M
20.00 mi12:38:042:22:587:0910:13
7:32
+0:06
21M
21.00 mi12:46:182:31:127:138:14
8:14
+0:42
35K
21.75 mi12:51:372:36:317:125:19
7:07
-1:07
23M
23.00 mi13:00:462:45:407:139:09
7:19
+0:12
24M
24.00 mi13:08:092:53:037:137:23
7:23
+0:04
40K
24.85 mi13:14:442:59:387:146:35
7:42
+0:19
25.2M
25.20 mi13:17:503:02:447:163:06
9:00
+1:18
FINISH
26.22 mi13:25:533:10:477:178:03
7:54
-1:06

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

6:59 /mi

Average Pace

7:17 /mi

Slowest Pace

9:00 /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

48:14

25% of race

Time at Steady Pace

1:56:35

61% of race

Time at Slower Pace

25:58

14% of race

Average Pace: 7:17 /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 mi10:36:5321:477:0121:47
7:01
#8636
10K
6.21 mi10:58:5343:477:0322:00
7:05
#8936
15K
9.32 mi11:20:341:05:287:0221:41
6:59
#8737
20K
12.43 mi11:42:451:27:397:0422:11
7:09
#8746
HALF
13.11 mi11:47:311:32:257:034:46
7:00
#8730
25K
15.53 mi12:04:461:49:407:0417:15
7:07
#8596
30K
18.64 mi12:27:512:12:457:0823:05
7:26
#8586
20M
20.00 mi12:38:042:22:587:0910:13
7:32
#8601
21M
21.00 mi12:46:182:31:127:138:14
8:14
#8711
35K
21.75 mi12:51:372:36:317:125:19
7:07
#8642
23M
23.00 mi13:00:462:45:407:139:09
7:19
#8535
24M
24.00 mi13:08:092:53:037:137:23
7:23
#8523
40K
24.85 mi13:14:442:59:387:146:35
7:42
#8564
25.2M
25.20 mi13:17:503:02:447:163:06
9:00
#8643
FINISH
26.22 mi13:25:533:10:477:178:03
7:54
#8822
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 mi8636733273328439(Top 29%)7138(Top 44%)7138(Top 382%)
10K6.21 mi3.10 mi8936-3007480-1487480-1489267(Top 32%)7660(Top 47%)7660(Top 410%)
15K9.32 mi3.11 mi8737+1997347+1337347+1338439(Top 29%)7138(Top 44%)7138(Top 382%)
20K12.43 mi3.11 mi8746-97339+87339+88870(Top 31%)7341(Top 45%)7341(Top 393%)
HALF13.11 mi0.68 mi8730+167320+197320+198585(Top 30%)7232(Top 44%)7232(Top 387%)
25K15.53 mi2.42 mi8596+1347229+917229+918226(Top 28%)6878(Top 42%)6878(Top 368%)
30K18.64 mi3.11 mi8586+107181+487181+489068(Top 31%)7207(Top 44%)7207(Top 386%)
20M20.00 mi1.36 mi8601-157158+237158+239250(Top 32%)7191(Top 44%)7191(Top 385%)
21M21.00 mi1.00 mi8711-1107190-327190-3211360(Top 39%)8136(Top 50%)8136(Top 436%)
35K21.75 mi0.75 mi8642+697125+657125+657872(Top 27%)6362(Top 39%)6362(Top 341%)
23M23.00 mi1.25 mi8535+1077042+837042+837547(Top 26%)6089(Top 37%)6089(Top 326%)
24M24.00 mi1.00 mi8523+127005+377005+379192(Top 32%)6887(Top 42%)6887(Top 369%)
40K24.85 mi0.85 mi8564-417002+37002+310264(Top 35%)7342(Top 45%)7342(Top 393%)
25.2M25.20 mi0.35 mi8643-797036-347036-3414552(Top 50%)9290(Top 57%)9290(Top 497%)
FINISH26.22 mi1.02 mi8822-1797107-717107-7114447(Top 50%)9234(Top 57%)9234(Top 494%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21
+97ft-345ft

Overall

8439

Males

7138

M50-54

7138

5K→10K

3.1 - 6.2 mi

Top 32%
×5
+79ft-138ft

Overall

9267

Males

7660

M50-54

7660

10K→15K

6.2 - 9.3 mi

Top 29%
×3
+67ft-78ft

Overall

8439

Males

7138

M50-54

7138

15K→20K

9.3 - 12.4 mi

Top 31%
×5
+106ft-86ft

Overall

8870

Males

7341

M50-54

7341

20K→HALF

12.4 - 13.1 mi

Top 30%
×2
+19ft-37ft

Overall

8585

Males

7232

M50-54

7232

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8226

Males

6878

M50-54

6878

25K→30K

15.5 - 18.6 mi

Top 31%
×9
+181ft-148ft

Overall

9068

Males

7207

M50-54

7207

30K→20M

18.6 - 20.0 mi

Top 32%
×5
+64ft-50ft

Overall

9250

Males

7191

M50-54

7191

20M→21M

20.0 - 21.0 mi

Top 39%
×8
+106ft-24ft

Overall

11360

Males

8136

M50-54

8136

21M→35K

21.0 - 21.8 mi

Top 27%
×7
+17ft-86ft

Overall

7872

Males

6362

M50-54

6362

35K→23M

21.8 - 23.0 mi

Top 26%
×5
+23ft-63ft

Overall

7547

Males

6089

M50-54

6089

23M→24M

23.0 - 24.0 mi

Top 32%
×6
+12ft-82ft

Overall

9192

Males

6887

M50-54

6887

24M→40K

24.0 - 24.9 mi

Top 35%
×1
+6ft-20ft

Overall

10264

Males

7342

M50-54

7342

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1
+13ft-16ft

Overall

14552

Males

9290

M50-54

9290

25.2M→FINISH

25.2 - 26.2 mi

Top 50%
×2
+22ft-21ft

Overall

14447

Males

9234

M50-54

9234

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1421*
Passed By
1380
Net Change
-186
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8636
5K → 10K118200-300#8636#8936
10K → 15K259*60+199#8936#8737
15K → 20K121130-9#8737#8746
20K → HALF3923+16#8746#8730
HALF → 25K17642+134#8730#8596
25K → 30K165155+10#8596#8586
30K → 20M90105-15#8586#8601
20M → 21M49159-110#8601#8711
21M → 35K9223+69#8711#8642
35K → 23M13730+107#8642#8535
23M → 24M8068+12#8535#8523
24M → 40K5293-41#8523#8564
40K → 25.2M1392-79#8564#8643
25.2M → FINISH30200-179#8643#8822
TOTALS1421*1380-186

* 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