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BOSTON MARATHON 2026

Joyce Zhang

Bib: 12304•F

OH

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 20%
Gender (Female)
#0 / 12578
Top 5%
Age Group (F18-39)
#0 / 5716
Top 9%
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
21:42
3.11 mi
Rank: #8423
Start → 5K
21:42 | 7:00/mi
10K
42:20
6.21 mi
Rank: #7028 (+1395)
5K → 10K
20:38 | 6:39/mi
15K
1:02:56
9.32 mi
Rank: #6365 (+663)
10K → 15K
20:36 | 6:38/mi
20K
1:23:49
12.43 mi
Rank: #6059 (+306)
15K → 20K
20:53 | 6:44/mi
HALF
1:28:18
13.11 mi
Rank: #5998 (+61)
20K → HALF
4:29 | 6:35/mi
25K
1:44:49
15.53 mi
Rank: #5962 (+36)
HALF → 25K
16:31 | 6:49/mi
30K
2:06:22
18.64 mi
Rank: #5815 (+147)
25K → 30K
21:33 | 6:57/mi
20M
2:15:50
20.00 mi
Rank: #5766 (+49)
30K → 20M
9:28 | 6:59/mi
21M
2:23:05
21.00 mi
Rank: #5693 (+73)
20M → 21M
7:15 | 7:15/mi
35K
2:28:08
21.75 mi
Rank: #5641 (+52)
21M → 35K
5:03 | 6:46/mi
23M
2:36:50
23.00 mi
Rank: #5579 (+62)
35K → 23M
8:42 | 6:58/mi
24M
2:43:44
24.00 mi
Rank: #5579
23M → 24M
6:54 | 6:54/mi
40K
2:49:52
24.85 mi
Rank: #5611 (-32)
24M → 40K
6:08 | 7:11/mi
25.2M
2:52:33
25.20 mi
Rank: #5630 (-19)
40K → 25.2M
2:41 | 7:47/mi
FINISH
2:59:32
26.22 mi
Rank: #5690 (-60)
25.2M → FINISH
6:59 | 6:52/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:28:18
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:31:14
Pace6:58 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1321:427:0021:42
7:00
-
10K
6.21 mi11:10:5142:206:4920:38
6:39
-0:21
15K
9.32 mi11:31:271:02:566:4620:36
6:38
-0:01
20K
12.43 mi11:52:201:23:496:4520:53
6:44
+0:06
HALF
13.11 mi11:56:491:28:186:454:29
6:35
-0:09
25K
15.53 mi12:13:201:44:496:4516:31
6:49
+0:14
30K
18.64 mi12:34:532:06:226:4721:33
6:57
+0:08
20M
20.00 mi12:44:212:15:506:489:28
6:59
+0:02
21M
21.00 mi12:51:362:23:056:497:15
7:15
+0:16
35K
21.75 mi12:56:392:28:086:495:03
6:46
-0:29
23M
23.00 mi13:05:212:36:506:508:42
6:58
+0:12
24M
24.00 mi13:12:152:43:446:506:54
6:54
-0:04
40K
24.85 mi13:18:232:49:526:516:08
7:11
+0:17
25.2M
25.20 mi13:21:042:52:336:512:41
7:47
+0:36
FINISH
26.22 mi13:28:032:59:326:526:59
6:52
-0:55

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

6:35 /mi

Average Pace

6:51 /mi

Slowest Pace

7:47 /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

2:49:36

94% of race

Time at Steady Pace

7:15

4% of race

Time at Slower Pace

2:41

1% of race

Average Pace: 6:51 /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 mi10:50:1321:427:0021:42
7:00
#8423
10K
6.21 mi11:10:5142:206:4920:38
6:39
#7028
15K
9.32 mi11:31:271:02:566:4620:36
6:38
#6365
20K
12.43 mi11:52:201:23:496:4520:53
6:44
#6059
HALF
13.11 mi11:56:491:28:186:454:29
6:35
#5998
25K
15.53 mi12:13:201:44:496:4516:31
6:49
#5962
30K
18.64 mi12:34:532:06:226:4721:33
6:57
#5815
20M
20.00 mi12:44:212:15:506:489:28
6:59
#5766
21M
21.00 mi12:51:362:23:056:497:15
7:15
#5693
35K
21.75 mi12:56:392:28:086:495:03
6:46
#5641
23M
23.00 mi13:05:212:36:506:508:42
6:58
#5579
24M
24.00 mi13:12:152:43:446:506:54
6:54
#5579
40K
24.85 mi13:18:232:49:526:516:08
7:11
#5611
25.2M
25.20 mi13:21:042:52:336:512:41
7:47
#5630
FINISH
26.22 mi13:28:032:59:326:526:59
6:52
#5690
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 mi8423121012105186(Top 18%)368(Top 3%)368(Top 6%)
10K6.21 mi3.10 mi7028+1395783+427783+4275416(Top 19%)408(Top 3%)408(Top 7%)
15K9.32 mi3.11 mi6365+663605+178605+1785186(Top 18%)368(Top 3%)368(Top 6%)
20K12.43 mi3.11 mi6059+306545+60545+605428(Top 19%)445(Top 4%)445(Top 8%)
HALF13.11 mi0.68 mi5998+61534+11534+115159(Top 18%)400(Top 3%)400(Top 7%)
25K15.53 mi2.42 mi5962+365345345923(Top 20%)605(Top 5%)605(Top 11%)
30K18.64 mi3.11 mi5815+147528+6528+65447(Top 19%)561(Top 4%)561(Top 10%)
20M20.00 mi1.36 mi5766+49531-3531-35361(Top 18%)578(Top 5%)578(Top 10%)
21M21.00 mi1.00 mi5693+73523+8523+84982(Top 17%)588(Top 5%)588(Top 10%)
35K21.75 mi0.75 mi5641+52519+4519+45360(Top 18%)637(Top 5%)637(Top 11%)
23M23.00 mi1.25 mi5579+62520-1520-15151(Top 18%)639(Top 5%)639(Top 11%)
24M24.00 mi1.00 mi5579530-10530-105821(Top 20%)889(Top 7%)889(Top 16%)
40K24.85 mi0.85 mi5611-32544-14544-146593(Top 23%)1191(Top 9%)1191(Top 21%)
25.2M25.20 mi0.35 mi5630-19554-10554-106990(Top 24%)1389(Top 11%)1389(Top 24%)
FINISH26.22 mi1.02 mi5690-60575-21575-216509(Top 22%)1287(Top 10%)1287(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21
+97ft-345ft

Overall

5186

Females

368

F18-39

368

5K→10K

3.1 - 6.2 mi

Top 19%
×5
+79ft-138ft

Overall

5416

Females

408

F18-39

408

10K→15K

6.2 - 9.3 mi

Top 18%
×3
+67ft-78ft

Overall

5186

Females

368

F18-39

368

15K→20K

9.3 - 12.4 mi

Top 19%
×5
+106ft-86ft

Overall

5428

Females

445

F18-39

445

20K→HALF

12.4 - 13.1 mi

Top 18%
×2
+19ft-37ft

Overall

5159

Females

400

F18-39

400

HALF→25K

13.1 - 15.5 mi

Top 20%
×4
+66ft-88ft

Overall

5923

Females

605

F18-39

605

25K→30K

15.5 - 18.6 mi

Top 19%
×9
+181ft-148ft

Overall

5447

Females

561

F18-39

561

30K→20M

18.6 - 20.0 mi

Top 18%
×5
+64ft-50ft

Overall

5361

Females

578

F18-39

578

20M→21M

20.0 - 21.0 mi

Top 17%
×8
+106ft-24ft

Overall

4982

Females

588

F18-39

588

21M→35K

21.0 - 21.8 mi

Top 18%
×7
+17ft-86ft

Overall

5360

Females

637

F18-39

637

35K→23M

21.8 - 23.0 mi

Top 18%
×5
+23ft-63ft

Overall

5151

Females

639

F18-39

639

23M→24M

23.0 - 24.0 mi

Top 20%
×6
+12ft-82ft

Overall

5821

Females

889

F18-39

889

24M→40K

24.0 - 24.9 mi

Top 23%
×1
+6ft-20ft

Overall

6593

Females

1191

F18-39

1191

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1
+13ft-16ft

Overall

6990

Females

1389

F18-39

1389

25.2M→FINISH

25.2 - 26.2 mi

Top 22%
×2
+22ft-21ft

Overall

6509

Females

1287

F18-39

1287

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3311*
Passed By
578
Net Change
+2733
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8423
5K → 10K1399*4+1395#8423#7028
10K → 15K669*6+663#7028#6365
15K → 20K327*21+306#6365#6059
20K → HALF632+61#6059#5998
HALF → 25K10973+36#5998#5962
25K → 30K215*68+147#5962#5815
30K → 20M8940+49#5815#5766
20M → 21M10431+73#5766#5693
21M → 35K6917+52#5693#5641
35K → 23M9937+62#5641#5579
23M → 24M69690#5579#5579
24M → 40K4173-32#5579#5611
40K → 25.2M1837-19#5611#5630
25.2M → FINISH40100-60#5630#5690
TOTALS3311*578+2733

* 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing