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BOSTON MARATHON 2025

Rong Hu

Bib: 15459•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 42%
Masters (Masters Women)
#0 / 6759
Top 28%
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
7:58/mi
24:45
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
50:13
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:15:11
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:40:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:46:04
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:05:47
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:31:28
↑ 181↓ 1480.2%
20M
8:35/mi
2:43:08
↑ 64↓ 500.2%
21M
9:03/mi
2:52:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:58:25
↑ 17↓ 861.7%
23M
9:26/mi
3:10:14
↑ 23↓ 630.6%
24M
8:23/mi
3:18:37
↓ 821.3%
40K· 24.85 mi
8:47/mi
3:26:08
↓ 200.3%
25.2M
9:31/mi
3:29:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:41/mi
3:38:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:04
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:52:12
Pace8:34 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2424:457:5824:45
7:58
-
10K
6.21 mi11:21:5250:138:0525:28
8:12
+0:14
15K
9.32 mi11:46:501:15:118:0424:58
8:02
-0:10
20K
12.43 mi12:12:111:40:328:0525:21
8:10
+0:08
Half
13.11 mi12:17:431:46:048:055:32
8:07
-0:03
25K
15.53 mi12:37:262:05:478:0619:43
8:08
+0:01
30K
18.64 mi13:03:072:31:288:0825:41
8:16
+0:08
20M
20.00 mi13:14:472:43:088:0911:40
8:35
+0:19
21M
21.00 mi13:23:502:52:118:129:03
9:03
+0:28
35K
21.75 mi13:30:042:58:258:126:14
8:20
-0:43
23M
23.00 mi13:41:533:10:148:1611:49
9:26
+1:06
24M
24.00 mi13:50:163:18:378:178:23
8:23
-1:03
40K
24.85 mi13:57:473:26:088:187:31
8:47
+0:24
25.2M
25.20 mi14:01:043:29:258:193:17
9:31
+0:44
Finish
26.22 mi14:09:553:38:168:208:51
8:41
-0:50

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

7:58 /mi

Average Pace

8:20 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:36

85% of race

Time at Steady Pace

16:34

8% of race

Time at Slower Pace

15:06

7% of race

Average Pace: 8:19 /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 mi10:56:2424:457:5824:45
7:58
#16340
10K
6.21 mi11:21:5250:138:0525:28
8:12
#17137
15K
9.32 mi11:46:501:15:118:0424:58
8:02
#16823
20K
12.43 mi12:12:111:40:328:0525:21
8:10
#16607
Half
13.11 mi12:17:431:46:048:055:32
8:07
#16600
25K
15.53 mi12:37:262:05:478:0619:43
8:08
#16309
30K
18.64 mi13:03:072:31:288:0825:41
8:16
#15707
20M
20.00 mi13:14:472:43:088:0911:40
8:35
#15530
21M
21.00 mi13:23:502:52:118:129:03
9:03
#15386
35K
21.75 mi13:30:042:58:258:126:14
8:20
#15329
23M
23.00 mi13:41:533:10:148:1611:49
9:26
#15524
24M
24.00 mi13:50:163:18:378:178:23
8:23
#15442
40K
24.85 mi13:57:473:26:088:187:31
8:47
#15401
25.2M
25.20 mi14:01:043:29:258:193:17
9:31
#15377
Finish
26.22 mi14:09:553:38:168:208:51
8:41
#15432
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi163405353535316333(Top 58%)5333(Top 44%)5333(Top 310%)
10K6.21 mi3.10 mi17137-7975809-4565809-45617870(Top 63%)6218(Top 51%)6218(Top 362%)
15K9.32 mi3.11 mi16823+3145623+1865623+18616333(Top 58%)5333(Top 44%)5333(Top 310%)
20K12.43 mi3.11 mi16607+2165503+1205503+12016061(Top 57%)5254(Top 43%)5254(Top 306%)
Half13.11 mi0.68 mi16600+75502+15502+116704(Top 59%)5579(Top 46%)5579(Top 325%)
25K15.53 mi2.42 mi16309+2915346+1565346+15614863(Top 52%)4681(Top 38%)4681(Top 272%)
30K18.64 mi3.11 mi15707+6025055+2915055+29113289(Top 47%)3999(Top 33%)3999(Top 233%)
20M20.00 mi1.36 mi15530+1774988+674988+6714364(Top 51%)4704(Top 38%)4704(Top 274%)
21M21.00 mi1.00 mi15386+1444943+454943+4513837(Top 49%)4543(Top 37%)4543(Top 264%)
35K21.75 mi0.75 mi15329+574928+154928+1514516(Top 51%)4970(Top 41%)4970(Top 289%)
23M23.00 mi1.25 mi15524-1955085-1575085-15718415(Top 65%)7189(Top 59%)7189(Top 418%)
24M24.00 mi1.00 mi15442+825061+245061+2413796(Top 49%)4719(Top 39%)4719(Top 275%)
40K24.85 mi0.85 mi15401+415068-75068-715160(Top 53%)5604(Top 46%)5604(Top 326%)
25.2M25.20 mi0.35 mi15377+245066+25066+214735(Top 52%)5405(Top 44%)5405(Top 315%)
Finish26.22 mi1.02 mi15432-555121-555121-5517397(Top 61%)6753(Top 55%)6753(Top 393%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16333

Females

5333

F40-44

5333

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17870

Females

6218

F40-44

6218

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16333

Females

5333

F40-44

5333

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16061

Females

5254

F40-44

5254

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16704

Females

5579

F40-44

5579

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14863

Females

4681

F40-44

4681

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13289

Females

3999

F40-44

3999

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14364

Females

4704

F40-44

4704

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13837

Females

4543

F40-44

4543

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14516

Females

4970

F40-44

4970

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18415

Females

7189

F40-44

7189

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13796

Females

4719

F40-44

4719

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15160

Females

5604

F40-44

5604

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14735

Females

5405

F40-44

5405

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

17397

Females

6753

F40-44

6753

Passing Analysis

Category:
Athletes Passed
2591
Passed By
1683
Net Change
+908
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16340
5K → 10K88885-797#16340#17137
10K → 15K38874+314#17137#16823
15K → 20K317101+216#16823#16607
20K → Half3629+7#16607#16600
Half → 25K31726+291#16600#16309
25K → 30K61917+602#16309#15707
30K → 20M20932+177#15707#15530
20M → 21M18238+144#15530#15386
21M → 35K9235+57#15386#15329
35K → 23M60255-195#15329#15524
23M → 24M10927+82#15524#15442
24M → 40K9251+41#15442#15401
40K → 25.2M4117+24#15401#15377
25.2M → Finish4196-55#15377#15432
TOTALS25911683+908
📊

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