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BOSTON MARATHON 2026

Judy Zheng

Bib: 15676•F

OH

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 40%
Gender (Female)
#0 / 12578
Top 24%
Age Group (F18-39)
#0 / 5716
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
23:29
3.11 mi
Rank: #13262
Start → 5K
23:29 | 7:34/mi
10K
47:13
6.21 mi
Rank: #13731 (-469)
5K → 10K
23:44 | 7:39/mi
15K
1:10:32
9.32 mi
Rank: #13367 (+364)
10K → 15K
23:19 | 7:31/mi
20K
1:33:58
12.43 mi
Rank: #13117 (+250)
15K → 20K
23:26 | 7:33/mi
HALF
1:38:58
13.11 mi
Rank: #13042 (+75)
20K → HALF
5:00 | 7:21/mi
25K
1:57:28
15.53 mi
Rank: #12942 (+100)
HALF → 25K
18:30 | 7:38/mi
30K
2:21:45
18.64 mi
Rank: #12746 (+196)
25K → 30K
24:17 | 7:49/mi
20M
2:32:07
20.00 mi
Rank: #12514 (+232)
30K → 20M
10:22 | 7:38/mi
21M
2:40:21
21.00 mi
Rank: #12438 (+76)
20M → 21M
8:14 | 8:14/mi
35K
2:45:57
21.75 mi
Rank: #12371 (+67)
21M → 35K
5:36 | 7:30/mi
23M
2:55:20
23.00 mi
Rank: #12140 (+231)
35K → 23M
9:23 | 7:30/mi
24M
3:02:35
24.00 mi
Rank: #11903 (+237)
23M → 24M
7:15 | 7:15/mi
40K
3:08:55
24.85 mi
Rank: #11741 (+162)
24M → 40K
6:20 | 7:25/mi
25.2M
3:11:47
25.20 mi
Rank: #11696 (+45)
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:19:18
26.22 mi
Rank: #11635 (+61)
25.2M → FINISH
7:31 | 7:23/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:58
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:40:20
Pace7:40 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0123:297:3423:29
7:34
-
10K
6.21 mi11:19:4547:137:3623:44
7:39
+0:05
15K
9.32 mi11:43:041:10:327:3523:19
7:31
-0:08
20K
12.43 mi12:06:301:33:587:3423:26
7:33
+0:02
HALF
13.11 mi12:11:301:38:587:335:00
7:21
-0:12
25K
15.53 mi12:30:001:57:287:3418:30
7:38
+0:17
30K
18.64 mi12:54:172:21:457:3724:17
7:49
+0:11
20M
20.00 mi13:04:392:32:077:3710:22
7:38
-0:11
21M
21.00 mi13:12:532:40:217:398:14
8:14
+0:36
35K
21.75 mi13:18:292:45:577:385:36
7:30
-0:44
23M
23.00 mi13:27:522:55:207:389:23
7:30
0:00
24M
24.00 mi13:35:073:02:357:377:15
7:15
-0:15
40K
24.85 mi13:41:273:08:557:376:20
7:25
+0:10
25.2M
25.20 mi13:44:193:11:477:372:52
8:19
+0:54
FINISH
26.22 mi13:51:503:19:187:377:31
7:23
-0:56

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

7:15 /mi

Average Pace

7:36 /mi

Slowest Pace

8:19 /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

3:08:12

94% of race

Time at Steady Pace

11:06

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:56:0123:297:3423:29
7:34
#13262
10K
6.21 mi11:19:4547:137:3623:44
7:39
#13731
15K
9.32 mi11:43:041:10:327:3523:19
7:31
#13367
20K
12.43 mi12:06:301:33:587:3423:26
7:33
#13117
HALF
13.11 mi12:11:301:38:587:335:00
7:21
#13042
25K
15.53 mi12:30:001:57:287:3418:30
7:38
#12942
30K
18.64 mi12:54:172:21:457:3724:17
7:49
#12746
20M
20.00 mi13:04:392:32:077:3710:22
7:38
#12514
21M
21.00 mi13:12:532:40:217:398:14
8:14
#12438
35K
21.75 mi13:18:292:45:577:385:36
7:30
#12371
23M
23.00 mi13:27:522:55:207:389:23
7:30
#12140
24M
24.00 mi13:35:073:02:357:377:15
7:15
#11903
40K
24.85 mi13:41:273:08:557:376:20
7:25
#11741
25.2M
25.20 mi13:44:193:11:477:372:52
8:19
#11696
FINISH
26.22 mi13:51:503:19:187:377:31
7:23
#11635
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi132623637363712853(Top 44%)3475(Top 28%)3475(Top 61%)
10K6.21 mi3.10 mi13731-4693931-2943931-29414226(Top 49%)4245(Top 34%)4245(Top 74%)
15K9.32 mi3.11 mi13367+3643759+1723759+17212853(Top 44%)3475(Top 28%)3475(Top 61%)
20K12.43 mi3.11 mi13117+2503647+1123647+11212339(Top 43%)3284(Top 26%)3284(Top 57%)
HALF13.11 mi0.68 mi13042+753605+423605+4211504(Top 40%)2729(Top 22%)2729(Top 48%)
25K15.53 mi2.42 mi12942+1003565+403565+4012477(Top 43%)3418(Top 27%)3418(Top 60%)
30K18.64 mi3.11 mi12746+1963506+593506+5912094(Top 42%)3355(Top 27%)3355(Top 59%)
20M20.00 mi1.36 mi12514+2323402+1043402+10410080(Top 35%)2423(Top 19%)2423(Top 42%)
21M21.00 mi1.00 mi12438+763387+153387+1511413(Top 39%)3193(Top 25%)3193(Top 56%)
35K21.75 mi0.75 mi12371+673357+303357+3010745(Top 37%)2857(Top 23%)2857(Top 50%)
23M23.00 mi1.25 mi12140+2313248+1093248+1098885(Top 31%)2041(Top 16%)2041(Top 36%)
24M24.00 mi1.00 mi11903+2373150+983150+988245(Top 28%)1829(Top 15%)1829(Top 32%)
40K24.85 mi0.85 mi11741+1623080+703080+708223(Top 28%)1888(Top 15%)1888(Top 33%)
25.2M25.20 mi0.35 mi11696+453076+43076+410426(Top 36%)3006(Top 24%)3006(Top 53%)
FINISH26.22 mi1.02 mi11635+613066+103066+1010488(Top 36%)3080(Top 24%)3080(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21
+97ft-345ft

Overall

12853

Females

3475

F18-39

3475

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14226

Females

4245

F18-39

4245

10K→15K

6.2 - 9.3 mi

Top 44%
×3
+67ft-78ft

Overall

12853

Females

3475

F18-39

3475

15K→20K

9.3 - 12.4 mi

Top 43%
×5
+106ft-86ft

Overall

12339

Females

3284

F18-39

3284

20K→HALF

12.4 - 13.1 mi

Top 40%
×2
+19ft-37ft

Overall

11504

Females

2729

F18-39

2729

HALF→25K

13.1 - 15.5 mi

Top 43%
×4
+66ft-88ft

Overall

12477

Females

3418

F18-39

3418

25K→30K

15.5 - 18.6 mi

Top 42%
×9
+181ft-148ft

Overall

12094

Females

3355

F18-39

3355

30K→20M

18.6 - 20.0 mi

Top 35%
×5
+64ft-50ft

Overall

10080

Females

2423

F18-39

2423

20M→21M

20.0 - 21.0 mi

Top 39%
×8
+106ft-24ft

Overall

11413

Females

3193

F18-39

3193

21M→35K

21.0 - 21.8 mi

Top 37%
×7
+17ft-86ft

Overall

10745

Females

2857

F18-39

2857

35K→23M

21.8 - 23.0 mi

Top 31%
×5
+23ft-63ft

Overall

8885

Females

2041

F18-39

2041

23M→24M

23.0 - 24.0 mi

Top 28%
×6
+12ft-82ft

Overall

8245

Females

1829

F18-39

1829

24M→40K

24.0 - 24.9 mi

Top 28%
×1
+6ft-20ft

Overall

8223

Females

1888

F18-39

1888

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1
+13ft-16ft

Overall

10426

Females

3006

F18-39

3006

25.2M→FINISH

25.2 - 26.2 mi

Top 36%
×2
+22ft-21ft

Overall

10488

Females

3080

F18-39

3080

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2646
Passed By
1019
Net Change
+1627
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13262
5K → 10K130599-469#13262#13731
10K → 15K42359+364#13731#13367
15K → 20K29949+250#13367#13117
20K → HALF827+75#13117#13042
HALF → 25K17272+100#13042#12942
25K → 30K28084+196#12942#12746
30K → 20M2397+232#12746#12514
20M → 21M12145+76#12514#12438
21M → 35K8316+67#12438#12371
35K → 23M24110+231#12371#12140
23M → 24M2414+237#12140#11903
24M → 40K17412+162#11903#11741
40K → 25.2M6015+45#11741#11696
25.2M → FINISH10140+61#11696#11635
TOTALS26461019+1627
📊

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