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BOSTON MARATHON 2026

Chunfang Zhao

Bib: 19330•F

CA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 42%
Masters (Masters Women)
#0 / 6862
Top 27%
Age Group (F50-54)
#0 / 1233
Top 21%
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
24:42
3.11 mi
Rank: #16569
Start → 5K
24:42 | 7:58/mi
10K
49:28
6.21 mi
Rank: #16788 (-219)
5K → 10K
24:46 | 7:59/mi
15K
1:14:14
9.32 mi
Rank: #16791 (-3)
10K → 15K
24:46 | 7:59/mi
20K
1:39:04
12.43 mi
Rank: #16591 (+200)
15K → 20K
24:50 | 8:00/mi
HALF
1:44:21
13.11 mi
Rank: #16525 (+66)
20K → HALF
5:17 | 7:46/mi
25K
2:03:55
15.53 mi
Rank: #16391 (+134)
HALF → 25K
19:34 | 8:05/mi
30K
2:29:35
18.64 mi
Rank: #16166 (+225)
25K → 30K
25:40 | 8:16/mi
20M
2:40:48
20.00 mi
Rank: #16056 (+110)
30K → 20M
11:13 | 8:16/mi
21M
2:49:44
21.00 mi
Rank: #15991 (+65)
20M → 21M
8:56 | 8:56/mi
35K
2:55:26
21.75 mi
Rank: #15819 (+172)
21M → 35K
5:42 | 7:38/mi
23M
3:05:49
23.00 mi
Rank: #15709 (+110)
35K → 23M
10:23 | 8:18/mi
24M
3:13:37
24.00 mi
Rank: #15560 (+149)
23M → 24M
7:48 | 7:48/mi
40K
3:20:36
24.85 mi
Rank: #15491 (+69)
24M → 40K
6:59 | 8:11/mi
25.2M
3:23:52
25.20 mi
Rank: #15504 (-13)
40K → 25.2M
3:16 | 9:29/mi
FINISH
3:32:08
26.22 mi
Rank: #15540 (-36)
25.2M → FINISH
8:16 | 8:07/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:21
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:47:47
Pace8:14 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:3024:427:5824:42
7:58
-
10K
6.21 mi11:33:1649:287:5824:46
7:59
+0:01
15K
9.32 mi11:58:021:14:147:5824:46
7:59
0:00
20K
12.43 mi12:22:521:39:047:5924:50
8:00
+0:01
HALF
13.11 mi12:28:091:44:217:585:17
7:46
-0:14
25K
15.53 mi12:47:432:03:557:5919:34
8:05
+0:19
30K
18.64 mi13:13:232:29:358:0225:40
8:16
+0:11
20M
20.00 mi13:24:362:40:488:0311:13
8:16
0:00
21M
21.00 mi13:33:322:49:448:058:56
8:56
+0:40
35K
21.75 mi13:39:142:55:268:045:42
7:38
-1:18
23M
23.00 mi13:49:373:05:498:0510:23
8:18
+0:40
24M
24.00 mi13:57:253:13:378:057:48
7:48
-0:30
40K
24.85 mi14:04:243:20:368:056:59
8:11
+0:23
25.2M
25.20 mi14:07:403:23:528:063:16
9:29
+1:18
FINISH
26.22 mi14:15:563:32:088:068:16
8:07
-1:22

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

7:38 /mi

Average Pace

8:06 /mi

Slowest Pace

9:29 /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

18:47

9% of race

Time at Steady Pace

3:01:09

85% of race

Time at Slower Pace

12:12

6% of race

Average Pace: 8:05 /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 mi11:08:3024:427:5824:42
7:58
#16569
10K
6.21 mi11:33:1649:287:5824:46
7:59
#16788
15K
9.32 mi11:58:021:14:147:5824:46
7:59
#16791
20K
12.43 mi12:22:521:39:047:5924:50
8:00
#16591
HALF
13.11 mi12:28:091:44:217:585:17
7:46
#16525
25K
15.53 mi12:47:432:03:557:5919:34
8:05
#16391
30K
18.64 mi13:13:232:29:358:0225:40
8:16
#16166
20M
20.00 mi13:24:362:40:488:0311:13
8:16
#16056
21M
21.00 mi13:33:322:49:448:058:56
8:56
#15991
35K
21.75 mi13:39:142:55:268:045:42
7:38
#15819
23M
23.00 mi13:49:373:05:498:0510:23
8:18
#15709
24M
24.00 mi13:57:253:13:378:057:48
7:48
#15560
40K
24.85 mi14:04:243:20:368:056:59
8:11
#15491
25.2M
25.20 mi14:07:403:23:528:063:16
9:29
#15504
FINISH
26.22 mi14:15:563:32:088:068:16
8:07
#15540
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 mi165695667566716800(Top 58%)5788(Top 46%)5788(Top 469%)
10K6.21 mi3.10 mi16788-2195810-1435810-14317026(Top 59%)5929(Top 47%)5929(Top 481%)
15K9.32 mi3.11 mi16791-35799+115799+1116800(Top 58%)5788(Top 46%)5788(Top 469%)
20K12.43 mi3.11 mi16591+2005693+1065693+10616090(Top 55%)5427(Top 43%)5427(Top 440%)
HALF13.11 mi0.68 mi16525+665658+355658+3515252(Top 53%)4888(Top 39%)4888(Top 396%)
25K15.53 mi2.42 mi16391+1345589+695589+6915921(Top 55%)5379(Top 43%)5379(Top 436%)
30K18.64 mi3.11 mi16166+2255505+845505+8415365(Top 53%)5174(Top 41%)5174(Top 420%)
20M20.00 mi1.36 mi16056+1105453+525453+5214666(Top 51%)4864(Top 39%)4864(Top 394%)
21M21.00 mi1.00 mi15991+655432+215432+2115789(Top 54%)5564(Top 44%)5564(Top 451%)
35K21.75 mi0.75 mi15819+1725349+835349+8311816(Top 41%)3460(Top 28%)3460(Top 281%)
23M23.00 mi1.25 mi15709+1105309+405309+4014469(Top 50%)4976(Top 40%)4976(Top 404%)
24M24.00 mi1.00 mi15560+1495239+705239+7012370(Top 43%)3927(Top 31%)3927(Top 318%)
40K24.85 mi0.85 mi15491+695220+195220+1913620(Top 47%)4681(Top 37%)4681(Top 380%)
25.2M25.20 mi0.35 mi15504-135237-175237-1717209(Top 59%)6608(Top 53%)6608(Top 536%)
FINISH26.22 mi1.02 mi15540-365278-415278-4115896(Top 55%)5891(Top 47%)5891(Top 478%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16800

Females

5788

F50-54

5788

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17026

Females

5929

F50-54

5929

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16800

Females

5788

F50-54

5788

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

16090

Females

5427

F50-54

5427

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15252

Females

4888

F50-54

4888

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

15921

Females

5379

F50-54

5379

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15365

Females

5174

F50-54

5174

30K→20M

18.6 - 20.0 mi

Top 51%
×5
+64ft-50ft

Overall

14666

Females

4864

F50-54

4864

20M→21M

20.0 - 21.0 mi

Top 54%
×8
+106ft-24ft

Overall

15789

Females

5564

F50-54

5564

21M→35K

21.0 - 21.8 mi

Top 41%
×7
+17ft-86ft

Overall

11816

Females

3460

F50-54

3460

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14469

Females

4976

F50-54

4976

23M→24M

23.0 - 24.0 mi

Top 43%
×6
+12ft-82ft

Overall

12370

Females

3927

F50-54

3927

24M→40K

24.0 - 24.9 mi

Top 47%
×1
+6ft-20ft

Overall

13620

Females

4681

F50-54

4681

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1
+13ft-16ft

Overall

17209

Females

6608

F50-54

6608

25.2M→FINISH

25.2 - 26.2 mi

Top 55%
×2
+22ft-21ft

Overall

15896

Females

5891

F50-54

5891

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2177
Passed By
1148
Net Change
+1029
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16569
5K → 10K199418-219#16569#16788
10K → 15K199202-3#16788#16791
15K → 20K27676+200#16791#16591
20K → HALF737+66#16591#16525
HALF → 25K20268+134#16525#16391
25K → 30K31186+225#16391#16166
30K → 20M13626+110#16166#16056
20M → 21M13267+65#16056#15991
21M → 35K1753+172#15991#15819
35K → 23M14434+110#15819#15709
23M → 24M1589+149#15709#15560
24M → 40K9829+69#15560#15491
40K → 25.2M2336-13#15491#15504
25.2M → FINISH5187-36#15504#15540
TOTALS21771148+1029

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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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing