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BOSTON MARATHON 2025

Wenning Sun

Bib: 27762•F

MA

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
8:54/mi
27:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:47/mi
54:55
↑ 79↓ 1380.4%
15K· 9.32 mi
9:36/mi
1:24:43
↑ 67↓ 78
20K· 12.43 mi
9:39/mi
1:54:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:51/mi
2:00:43
↑ 19↓ 370.5%
25K· 15.53 mi
10:04/mi
2:25:08
↑ 66↓ 880.2%
30K· 18.64 mi
10:04/mi
2:56:25
↑ 181↓ 1480.2%
20M
10:34/mi
3:10:47
↑ 64↓ 500.2%
21M
11:08/mi
3:21:55
↑ 106↓ 241.6%
35K· 21.75 mi
9:25/mi
3:28:58
↑ 17↓ 861.7%
23M
11:03/mi
3:42:48
↑ 23↓ 630.6%
24M
8:54/mi
3:51:42
↓ 821.3%
40K· 24.85 mi
9:34/mi
3:59:53
↓ 200.3%
25.2M
9:31/mi
4:03:10
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
4:11:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:43
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:11:01
Pace10:00 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1327:398:5427:39
8:54
-
10K
6.21 mi12:12:2954:558:5027:16
8:47
-0:07
15K
9.32 mi12:42:171:24:439:0529:48
9:36
+0:49
20K
12.43 mi13:12:151:54:419:1429:58
9:39
+0:03
Half
13.11 mi13:18:172:00:439:126:02
8:51
-0:48
25K
15.53 mi13:42:422:25:089:2124:25
10:04
+1:13
30K
18.64 mi14:13:592:56:259:2831:17
10:04
0:00
20M
20.00 mi14:28:213:10:479:3214:22
10:34
+0:30
21M
21.00 mi14:39:293:21:559:3711:08
11:08
+0:34
35K
21.75 mi14:46:323:28:589:377:03
9:25
-1:43
23M
23.00 mi15:00:223:42:489:4113:50
11:03
+1:38
24M
24.00 mi15:09:163:51:429:398:54
8:54
-2:09
40K
24.85 mi15:17:273:59:539:398:11
9:34
+0:40
25.2M
25.20 mi15:20:444:03:109:393:17
9:31
-0:03
Finish
26.22 mi15:29:184:11:449:368:34
8:24
-1:07

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

8:24 /mi

Average Pace

9:36 /mi

Slowest Pace

11:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:25

31% of race

Time at Steady Pace

1:18:17

31% of race

Time at Slower Pace

1:35:02

38% of race

Average Pace: 9:36 /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 mi11:45:1327:398:5427:39
8:54
#22001
10K
6.21 mi12:12:2954:558:5027:16
8:47
#21655
15K
9.32 mi12:42:171:24:439:0529:48
9:36
#22655
20K
12.43 mi13:12:151:54:419:1429:58
9:39
#22903
Half
13.11 mi13:18:172:00:439:126:02
8:51
#22807
25K
15.53 mi13:42:422:25:089:2124:25
10:04
#22929
30K
18.64 mi14:13:592:56:259:2831:17
10:04
#22698
20M
20.00 mi14:28:213:10:479:3214:22
10:34
#22677
21M
21.00 mi14:39:293:21:559:3711:08
11:08
#22616
35K
21.75 mi14:46:323:28:589:377:03
9:25
#22504
23M
23.00 mi15:00:223:42:489:4113:50
11:03
#22557
24M
24.00 mi15:09:163:51:429:398:54
8:54
#22361
40K
24.85 mi15:17:273:59:539:398:11
9:34
#22249
25.2M
25.20 mi15:20:444:03:109:393:17
9:31
#22155
Finish
26.22 mi15:29:184:11:449:368:34
8:24
#21959
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi220018623862323990(Top 84%)9658(Top 79%)9658(Top 562%)
10K6.21 mi3.10 mi21655+3468418+2058418+20521301(Top 75%)8198(Top 67%)8198(Top 477%)
15K9.32 mi3.11 mi22655-10008940-5228940-52223990(Top 84%)9658(Top 79%)9658(Top 562%)
20K12.43 mi3.11 mi22903-2489074-1349074-13423342(Top 82%)9329(Top 76%)9329(Top 543%)
Half13.11 mi0.68 mi22807+969017+579017+5721163(Top 75%)8134(Top 67%)8134(Top 473%)
25K15.53 mi2.42 mi22929-1229104-879104-8723433(Top 82%)9442(Top 77%)9442(Top 550%)
30K18.64 mi3.11 mi22698+2319016+889016+8821797(Top 77%)8668(Top 71%)8668(Top 505%)
20M20.00 mi1.36 mi22677+219030-149030-1422627(Top 80%)9219(Top 75%)9219(Top 537%)
21M21.00 mi1.00 mi22616+619010+209010+2021742(Top 77%)8831(Top 72%)8831(Top 514%)
35K21.75 mi0.75 mi22504+1128968+428968+4220081(Top 71%)8031(Top 66%)8031(Top 467%)
23M23.00 mi1.25 mi22557-539018-509018-5023357(Top 82%)9784(Top 80%)9784(Top 569%)
24M24.00 mi1.00 mi22361+1968939+798939+7916893(Top 59%)6447(Top 53%)6447(Top 375%)
40K24.85 mi0.85 mi22249+1128888+518888+5119026(Top 67%)7651(Top 63%)7651(Top 445%)
25.2M25.20 mi0.35 mi22155+948850+388850+3814822(Top 52%)5492(Top 45%)5492(Top 320%)
Finish26.22 mi1.02 mi21959+1968756+948756+9415684(Top 55%)5866(Top 48%)5866(Top 341%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23990

Females

9658

F40-44

9658

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21301

Females

8198

F40-44

8198

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23990

Females

9658

F40-44

9658

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23342

Females

9329

F40-44

9329

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21163

Females

8134

F40-44

8134

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23433

Females

9442

F40-44

9442

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21797

Females

8668

F40-44

8668

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22627

Females

9219

F40-44

9219

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21742

Females

8831

F40-44

8831

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20081

Females

8031

F40-44

8031

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23357

Females

9784

F40-44

9784

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16893

Females

6447

F40-44

6447

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19026

Females

7651

F40-44

7651

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14822

Females

5492

F40-44

5492

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15684

Females

5866

F40-44

5866

Passing Analysis

Category:
Athletes Passed
2054
Passed By
2012
Net Change
+42
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22001
5K → 10K476130+346#22001#21655
10K → 15K351035-1000#21655#22655
15K → 20K109357-248#22655#22903
20K → Half993+96#22903#22807
Half → 25K99221-122#22807#22929
25K → 30K27847+231#22929#22698
30K → 20M8160+21#22698#22677
20M → 21M10443+61#22677#22616
21M → 35K1142+112#22616#22504
35K → 23M51104-53#22504#22557
23M → 24M1971+196#22557#22361
24M → 40K1197+112#22361#22249
40K → 25.2M940+94#22249#22155
25.2M → Finish1982+196#22155#21959
TOTALS20542012+42
📊

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