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BOSTON MARATHON 2026

Hong Zeng

Bib: 21105•F

NJ

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Top 42%
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
28:06
3.11 mi
Rank: #22860
Start → 5K
28:06 | 9:03/mi
10K
55:19
6.21 mi
Rank: #22299 (+561)
5K → 10K
27:13 | 8:46/mi
15K
1:22:43
9.32 mi
Rank: #22136 (+163)
10K → 15K
27:24 | 8:50/mi
20K
1:50:19
12.43 mi
Rank: #21919 (+217)
15K → 20K
27:36 | 8:54/mi
HALF
1:56:12
13.11 mi
Rank: #21860 (+59)
20K → HALF
5:53 | 8:38/mi
25K
2:17:42
15.53 mi
Rank: #21629 (+231)
HALF → 25K
21:30 | 8:52/mi
30K
2:46:11
18.64 mi
Rank: #21374 (+255)
25K → 30K
28:29 | 9:11/mi
20M
2:58:38
20.00 mi
Rank: #21232 (+142)
30K → 20M
12:27 | 9:10/mi
21M
3:08:19
21.00 mi
Rank: #21129 (+103)
20M → 21M
9:41 | 9:41/mi
35K
3:14:47
21.75 mi
Rank: #21036 (+93)
21M → 35K
6:28 | 8:39/mi
23M
3:25:55
23.00 mi
Rank: #20864 (+172)
35K → 23M
11:08 | 8:54/mi
24M
3:34:32
24.00 mi
Rank: #20724 (+140)
23M → 24M
8:37 | 8:37/mi
40K
3:42:01
24.85 mi
Rank: #20589 (+135)
24M → 40K
7:29 | 8:46/mi
25.2M
3:45:14
25.20 mi
Rank: #20531 (+58)
40K → 25.2M
3:13 | 9:20/mi
FINISH
3:53:46
26.22 mi
Rank: #20422 (+109)
25.2M → FINISH
8:32 | 8:23/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:56:12
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time1:57:34
Pace8:59 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0628:069:0328:06
9:03
-
10K
6.21 mi11:42:1955:198:5527:13
8:46
-0:17
15K
9.32 mi12:09:431:22:438:5327:24
8:50
+0:04
20K
12.43 mi12:37:191:50:198:5327:36
8:54
+0:04
HALF
13.11 mi12:43:121:56:128:525:53
8:38
-0:16
25K
15.53 mi13:04:422:17:428:5221:30
8:52
+0:14
30K
18.64 mi13:33:112:46:118:5528:29
9:11
+0:19
20M
20.00 mi13:45:382:58:388:5612:27
9:10
-0:01
21M
21.00 mi13:55:193:08:198:599:41
9:41
+0:31
35K
21.75 mi14:01:473:14:478:586:28
8:39
-1:02
23M
23.00 mi14:12:553:25:558:5811:08
8:54
+0:15
24M
24.00 mi14:21:323:34:328:578:37
8:37
-0:17
40K
24.85 mi14:29:013:42:018:567:29
8:46
+0:09
25.2M
25.20 mi14:32:143:45:148:573:13
9:20
+0:34
FINISH
26.22 mi14:40:463:53:468:568:32
8:23
-0:57

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

8:23 /mi

Average Pace

8:55 /mi

Slowest Pace

9:41 /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

3:40:52

94% of race

Time at Steady Pace

12:54

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:55 /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 mi11:15:0628:069:0328:06
9:03
#22860
10K
6.21 mi11:42:1955:198:5527:13
8:46
#22299
15K
9.32 mi12:09:431:22:438:5327:24
8:50
#22136
20K
12.43 mi12:37:191:50:198:5327:36
8:54
#21919
HALF
13.11 mi12:43:121:56:128:525:53
8:38
#21860
25K
15.53 mi13:04:422:17:428:5221:30
8:52
#21629
30K
18.64 mi13:33:112:46:118:5528:29
9:11
#21374
20M
20.00 mi13:45:382:58:388:5612:27
9:10
#21232
21M
21.00 mi13:55:193:08:198:599:41
9:41
#21129
35K
21.75 mi14:01:473:14:478:586:28
8:39
#21036
23M
23.00 mi14:12:553:25:558:5811:08
8:54
#20864
24M
24.00 mi14:21:323:34:328:578:37
8:37
#20724
40K
24.85 mi14:29:013:42:018:567:29
8:46
#20589
25.2M
25.20 mi14:32:143:45:148:573:13
9:20
#20531
FINISH
26.22 mi14:40:463:53:468:568:32
8:23
#20422
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi228609101910121832(Top 75%)8555(Top 68%)8555(Top 900%)
10K6.21 mi3.10 mi22299+5618810+2918810+29121718(Top 75%)8504(Top 68%)8504(Top 894%)
15K9.32 mi3.11 mi22136+1638726+848726+8421832(Top 75%)8555(Top 68%)8555(Top 900%)
20K12.43 mi3.11 mi21919+2178613+1138613+11321392(Top 74%)8346(Top 66%)8346(Top 878%)
HALF13.11 mi0.68 mi21860+598585+288585+2821023(Top 72%)8131(Top 65%)8131(Top 855%)
25K15.53 mi2.42 mi21629+2318474+1118474+11120554(Top 71%)7946(Top 63%)7946(Top 836%)
30K18.64 mi3.11 mi21374+2558363+1118363+11120374(Top 70%)7933(Top 63%)7933(Top 834%)
20M20.00 mi1.36 mi21232+1428309+548309+5419739(Top 68%)7683(Top 61%)7683(Top 808%)
21M21.00 mi1.00 mi21129+1038264+458264+4519338(Top 67%)7503(Top 60%)7503(Top 789%)
35K21.75 mi0.75 mi21036+938219+458219+4518411(Top 63%)7122(Top 57%)7122(Top 749%)
23M23.00 mi1.25 mi20864+1728145+748145+7418017(Top 62%)6978(Top 55%)6978(Top 734%)
24M24.00 mi1.00 mi20724+1408088+578088+5717610(Top 61%)6799(Top 54%)6799(Top 715%)
40K24.85 mi0.85 mi20589+1358037+518037+5117190(Top 59%)6632(Top 53%)6632(Top 697%)
25.2M25.20 mi0.35 mi20531+588016+218016+2116591(Top 57%)6309(Top 50%)6309(Top 663%)
FINISH26.22 mi1.02 mi20422+1097975+417975+4117507(Top 60%)6793(Top 54%)6793(Top 714%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21
+97ft-345ft

Overall

21832

Females

8555

F55-59

8555

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21718

Females

8504

F55-59

8504

10K→15K

6.2 - 9.3 mi

Top 75%
×3
+67ft-78ft

Overall

21832

Females

8555

F55-59

8555

15K→20K

9.3 - 12.4 mi

Top 74%
×5
+106ft-86ft

Overall

21392

Females

8346

F55-59

8346

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

21023

Females

8131

F55-59

8131

HALF→25K

13.1 - 15.5 mi

Top 71%
×4
+66ft-88ft

Overall

20554

Females

7946

F55-59

7946

25K→30K

15.5 - 18.6 mi

Top 70%
×9
+181ft-148ft

Overall

20374

Females

7933

F55-59

7933

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19739

Females

7683

F55-59

7683

20M→21M

20.0 - 21.0 mi

Top 67%
×8
+106ft-24ft

Overall

19338

Females

7503

F55-59

7503

21M→35K

21.0 - 21.8 mi

Top 63%
×7
+17ft-86ft

Overall

18411

Females

7122

F55-59

7122

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

18017

Females

6978

F55-59

6978

23M→24M

23.0 - 24.0 mi

Top 61%
×6
+12ft-82ft

Overall

17610

Females

6799

F55-59

6799

24M→40K

24.0 - 24.9 mi

Top 59%
×1
+6ft-20ft

Overall

17190

Females

6632

F55-59

6632

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1
+13ft-16ft

Overall

16591

Females

6309

F55-59

6309

25.2M→FINISH

25.2 - 26.2 mi

Top 60%
×2
+22ft-21ft

Overall

17507

Females

6793

F55-59

6793

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2880
Passed By
442
Net Change
+2438
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22860
5K → 10K64988+561#22860#22299
10K → 15K271108+163#22299#22136
15K → 20K27861+217#22136#21919
20K → HALF7112+59#21919#21860
HALF → 25K25221+231#21860#21629
25K → 30K29540+255#21629#21374
30K → 20M16220+142#21374#21232
20M → 21M13027+103#21232#21129
21M → 35K10411+93#21129#21036
35K → 23M18917+172#21036#20864
23M → 24M1455+140#20864#20724
24M → 40K1405+135#20724#20589
40K → 25.2M635+58#20589#20531
25.2M → FINISH13122+109#20531#20422
TOTALS2880442+2438
📊

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