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BOSTON MARATHON 2025

Hongjing Du

Bib: 14473•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Masters (Masters Women)
#0 / 6759
Top 33%
Division (F50-54)
#0 / 1303
Top 25%
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
7:41/mi
23:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
48:17
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:14:31
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:40:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:45:36
↑ 19↓ 370.5%
25K· 15.53 mi
8:53/mi
2:07:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:33:59
↑ 181↓ 1480.2%
20M
8:55/mi
2:46:06
↑ 64↓ 500.2%
21M
9:29/mi
2:55:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:36/mi
3:02:01
↑ 17↓ 861.7%
23M
8:52/mi
3:13:07
↑ 23↓ 630.6%
24M
8:36/mi
3:21:43
↓ 821.3%
40K· 24.85 mi
8:51/mi
3:29:17
↓ 200.3%
25.2M
9:57/mi
3:32:43
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
3:41:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:36
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:55:42
Pace8:50 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4123:537:4123:53
7:41
-
10K
6.21 mi11:19:0548:177:4624:24
7:51
+0:10
15K
9.32 mi11:45:191:14:318:0026:14
8:27
+0:36
20K
12.43 mi12:10:561:40:088:0325:37
8:15
-0:12
Half
13.11 mi12:16:241:45:368:035:28
8:01
-0:14
25K
15.53 mi12:37:562:07:088:1121:32
8:53
+0:52
30K
18.64 mi13:04:472:33:598:1626:51
8:39
-0:14
20M
20.00 mi13:16:542:46:068:1812:07
8:55
+0:16
21M
21.00 mi13:26:232:55:358:229:29
9:29
+0:34
35K
21.75 mi13:32:493:02:018:226:26
8:36
-0:53
23M
23.00 mi13:43:553:13:078:2411:06
8:52
+0:16
24M
24.00 mi13:52:313:21:438:248:36
8:36
-0:16
40K
24.85 mi14:00:053:29:178:257:34
8:51
+0:15
25.2M
25.20 mi14:03:313:32:438:263:26
9:57
+1:06
Finish
26.22 mi14:12:063:41:188:278:35
8:25
-1:32

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

7:41 /mi

Average Pace

8:27 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:22

36% of race

Time at Steady Pace

1:56:54

53% of race

Time at Slower Pace

25:02

11% of race

Average Pace: 8:26 /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 mi10:54:4123:537:4123:53
7:41
#13889
10K
6.21 mi11:19:0548:177:4624:24
7:51
#14506
15K
9.32 mi11:45:191:14:318:0026:14
8:27
#16291
20K
12.43 mi12:10:561:40:088:0325:37
8:15
#16369
Half
13.11 mi12:16:241:45:368:035:28
8:01
#16349
25K
15.53 mi12:37:562:07:088:1121:32
8:53
#16864
30K
18.64 mi13:04:472:33:598:1626:51
8:39
#16596
20M
20.00 mi13:16:542:46:068:1812:07
8:55
#16547
21M
21.00 mi13:26:232:55:358:229:29
9:29
#16458
35K
21.75 mi13:32:493:02:018:226:26
8:36
#16413
23M
23.00 mi13:43:553:13:078:2411:06
8:52
#16315
24M
24.00 mi13:52:313:21:438:248:36
8:36
#16233
40K
24.85 mi14:00:053:29:178:257:34
8:51
#16212
25.2M
25.20 mi14:03:313:32:438:263:26
9:57
#16221
Finish
26.22 mi14:12:063:41:188:278:35
8:25
#16205
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi138893835383518997(Top 67%)6895(Top 56%)6895(Top 529%)
10K6.21 mi3.10 mi14506-6174239-4044239-40415315(Top 54%)4735(Top 39%)4735(Top 363%)
15K9.32 mi3.11 mi16291-17855306-10675306-106718997(Top 67%)6895(Top 56%)6895(Top 529%)
20K12.43 mi3.11 mi16369-785365-595365-5916604(Top 58%)5549(Top 45%)5549(Top 426%)
Half13.11 mi0.68 mi16349+205354+115354+1116078(Top 57%)5239(Top 43%)5239(Top 402%)
25K15.53 mi2.42 mi16864-5155681-3275681-32719340(Top 68%)7163(Top 59%)7163(Top 550%)
30K18.64 mi3.11 mi16596+2685580+1015580+10115661(Top 55%)5264(Top 43%)5264(Top 404%)
20M20.00 mi1.36 mi16547+495585-55585-516353(Top 58%)5801(Top 47%)5801(Top 445%)
21M21.00 mi1.00 mi16458+895562+235562+2316017(Top 56%)5713(Top 47%)5713(Top 438%)
35K21.75 mi0.75 mi16413+455550+125550+1216084(Top 57%)5827(Top 48%)5827(Top 447%)
23M23.00 mi1.25 mi16315+985525+255525+2515504(Top 55%)5606(Top 46%)5606(Top 430%)
24M24.00 mi1.00 mi16233+825512+135512+1315187(Top 53%)5485(Top 45%)5485(Top 421%)
40K24.85 mi0.85 mi16212+215523-115523-1115492(Top 55%)5797(Top 47%)5797(Top 445%)
25.2M25.20 mi0.35 mi16221-95537-145537-1416854(Top 59%)6508(Top 53%)6508(Top 499%)
Finish26.22 mi1.02 mi16205+165543-65543-615755(Top 55%)5887(Top 48%)5887(Top 452%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

18997

Females

6895

F50-54

6895

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15315

Females

4735

F50-54

4735

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

18997

Females

6895

F50-54

6895

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16604

Females

5549

F50-54

5549

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16078

Females

5239

F50-54

5239

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

19340

Females

7163

F50-54

7163

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15661

Females

5264

F50-54

5264

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16353

Females

5801

F50-54

5801

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

16017

Females

5713

F50-54

5713

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16084

Females

5827

F50-54

5827

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15504

Females

5606

F50-54

5606

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

15187

Females

5485

F50-54

5485

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15492

Females

5797

F50-54

5797

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16854

Females

6508

F50-54

6508

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15755

Females

5887

F50-54

5887

Passing Analysis

Category:
Athletes Passed
1593
Passed By
3909
Net Change
-2316
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13889
5K → 10K109726-617#13889#14506
10K → 15K141799-1785#14506#16291
15K → 20K187265-78#16291#16369
20K → Half5030+20#16369#16349
Half → 25K47562-515#16349#16864
25K → 30K36193+268#16864#16596
30K → 20M12879+49#16596#16547
20M → 21M15566+89#16547#16458
21M → 35K7934+45#16458#16413
35K → 23M15860+98#16413#16315
23M → 24M12038+82#16315#16233
24M → 40K7655+21#16233#16212
40K → 25.2M3039-9#16212#16221
25.2M → Finish7963+16#16221#16205
TOTALS15933909-2316
📊

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