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BOSTON MARATHON 2025

Hunjie Zhang

Bib: 16415•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:52/mi
27:34
↑ 97↓ 3451.5%
10K· 6.21 mi
8:42/mi
54:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:47/mi
1:21:53
↑ 67↓ 78
20K· 12.43 mi
9:12/mi
1:50:28
↑ 106↓ 860.1%
Half· 13.11 mi
9:08/mi
1:56:42
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:19:21
↑ 66↓ 880.2%
30K· 18.64 mi
9:39/mi
2:49:21
↑ 181↓ 1480.2%
20M
9:42/mi
3:02:32
↑ 64↓ 500.2%
21M
10:25/mi
3:12:57
↑ 106↓ 241.6%
35K· 21.75 mi
9:13/mi
3:19:51
↑ 17↓ 861.7%
23M
9:21/mi
3:31:33
↑ 23↓ 630.6%
24M
9:17/mi
3:40:50
↓ 821.3%
40K· 24.85 mi
9:19/mi
3:48:48
↓ 200.3%
25.2M
10:29/mi
3:52:25
↑ 13↓ 160.2%
Finish· 26.22 mi
9:14/mi
4:01:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:42
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:05:08
Pace9:33 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:01:2727:348:5227:34
8:52
-
10K
6.21 mi11:28:3054:378:4727:03
8:42
-0:10
15K
9.32 mi11:55:461:21:538:4727:16
8:47
+0:05
20K
12.43 mi12:24:211:50:288:5328:35
9:12
+0:25
Half
13.11 mi12:30:351:56:428:546:14
9:08
-0:04
25K
15.53 mi12:53:142:19:218:5822:39
9:21
+0:13
30K
18.64 mi13:23:142:49:219:0530:00
9:39
+0:18
20M
20.00 mi13:36:253:02:329:0813:11
9:42
+0:03
21M
21.00 mi13:46:503:12:579:1110:25
10:25
+0:43
35K
21.75 mi13:53:443:19:519:116:54
9:13
-1:12
23M
23.00 mi14:05:263:31:339:1211:42
9:21
+0:08
24M
24.00 mi14:14:433:40:509:129:17
9:17
-0:04
40K
24.85 mi14:22:413:48:489:127:58
9:19
+0:02
25.2M
25.20 mi14:26:183:52:259:133:37
10:29
+1:10
Finish
26.22 mi14:35:434:01:509:149:25
9:14
-1:15

Checkpoints & Pacing

📈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

8:42 /mi

Average Pace

9:14 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:53

34% of race

Time at Steady Pace

1:42:44

42% of race

Time at Slower Pace

57:13

24% of race

Average Pace: 9:13 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:01:2727:348:5227:34
8:52
#21872
10K
6.21 mi11:28:3054:378:4727:03
8:42
#21400
15K
9.32 mi11:55:461:21:538:4727:16
8:47
#21178
20K
12.43 mi12:24:211:50:288:5328:35
9:12
#21386
Half
13.11 mi12:30:351:56:428:546:14
9:08
#21444
25K
15.53 mi12:53:142:19:218:5822:39
9:21
#21436
30K
18.64 mi13:23:142:49:219:0530:00
9:39
#21268
20M
20.00 mi13:36:253:02:329:0813:11
9:42
#21146
21M
21.00 mi13:46:503:12:579:1110:25
10:25
#21069
35K
21.75 mi13:53:443:19:519:116:54
9:13
#20984
23M
23.00 mi14:05:263:31:339:1211:42
9:21
#20820
24M
24.00 mi14:14:433:40:509:129:17
9:17
#20742
40K
24.85 mi14:22:413:48:489:127:58
9:19
#20648
25.2M
25.20 mi14:26:183:52:259:133:37
10:29
#20626
Finish
26.22 mi14:35:434:01:509:149:25
9:14
#20617
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi218728553855320922(Top 74%)7954(Top 65%)7954(Top 463%)
10K6.21 mi3.10 mi21400+4728270+2838270+28320918(Top 74%)7980(Top 65%)7980(Top 464%)
15K9.32 mi3.11 mi21178+2228136+1348136+13420922(Top 74%)7954(Top 65%)7954(Top 463%)
20K12.43 mi3.11 mi21386-2088252-1168252-11621898(Top 77%)8533(Top 70%)8533(Top 497%)
Half13.11 mi0.68 mi21444-588281-298281-2922377(Top 79%)8807(Top 72%)8807(Top 513%)
25K15.53 mi2.42 mi21436+88289-88289-821341(Top 75%)8276(Top 68%)8276(Top 482%)
30K18.64 mi3.11 mi21268+1688230+598230+5920566(Top 72%)7970(Top 65%)7970(Top 464%)
20M20.00 mi1.36 mi21146+1228188+428188+4219956(Top 70%)7765(Top 64%)7765(Top 452%)
21M21.00 mi1.00 mi21069+778162+268162+2619766(Top 70%)7775(Top 64%)7775(Top 453%)
35K21.75 mi0.75 mi20984+858126+368126+3619298(Top 68%)7607(Top 62%)7607(Top 443%)
23M23.00 mi1.25 mi20820+1648061+658061+6518014(Top 63%)6994(Top 57%)6994(Top 407%)
24M24.00 mi1.00 mi20742+788037+248037+2418772(Top 66%)7429(Top 61%)7429(Top 432%)
40K24.85 mi0.85 mi20648+948004+338004+3317967(Top 63%)7121(Top 58%)7121(Top 414%)
25.2M25.20 mi0.35 mi20626+227999+57999+519007(Top 67%)7646(Top 63%)7646(Top 445%)
Finish26.22 mi1.02 mi20617+98007-88007-820151(Top 71%)8229(Top 67%)8229(Top 479%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

20922

Females

7954

F40-44

7954

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

20918

Females

7980

F40-44

7980

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

20922

Females

7954

F40-44

7954

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21898

Females

8533

F40-44

8533

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

22377

Females

8807

F40-44

8807

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21341

Females

8276

F40-44

8276

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

20566

Females

7970

F40-44

7970

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

19956

Females

7765

F40-44

7765

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19766

Females

7775

F40-44

7775

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19298

Females

7607

F40-44

7607

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

18014

Females

6994

F40-44

6994

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18772

Females

7429

F40-44

7429

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17967

Females

7121

F40-44

7121

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19007

Females

7646

F40-44

7646

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20151

Females

8229

F40-44

8229

Passing Analysis

Category:
Athletes Passed
2339
Passed By
1084
Net Change
+1255
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21872
5K → 10K56997+472#21872#21400
10K → 15K329107+222#21400#21178
15K → 20K137345-208#21178#21386
20K → Half1472-58#21386#21444
Half → 25K150142+8#21444#21436
25K → 30K277109+168#21436#21268
30K → 20M15937+122#21268#21146
20M → 21M12952+77#21146#21069
21M → 35K10318+85#21069#20984
35K → 23M18117+164#20984#20820
23M → 24M10628+78#20820#20742
24M → 40K10915+94#20742#20648
40K → 25.2M297+22#20648#20626
25.2M → Finish4738+9#20626#20617
TOTALS23391084+1255
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing