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BOSTON MARATHON 2025

Ssu Chieh Wang

Bib: 20416•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
8:39/mi
26:52
↑ 97↓ 3451.5%
10K· 6.21 mi
9:09/mi
55:18
↑ 79↓ 1380.4%
15K· 9.32 mi
9:24/mi
1:24:29
↑ 67↓ 78
20K· 12.43 mi
9:42/mi
1:54:37
↑ 106↓ 860.1%
Half· 13.11 mi
10:43/mi
2:01:56
↑ 19↓ 370.5%
25K· 15.53 mi
10:06/mi
2:26:26
↑ 66↓ 880.2%
30K· 18.64 mi
10:41/mi
2:59:39
↑ 181↓ 1480.2%
20M
10:45/mi
3:14:15
↑ 64↓ 500.2%
21M
11:01/mi
3:25:16
↑ 106↓ 241.6%
35K· 21.75 mi
10:15/mi
3:32:56
↑ 17↓ 861.7%
23M
10:47/mi
3:46:26
↑ 23↓ 630.6%
24M
9:59/mi
3:56:25
↓ 821.3%
40K· 24.85 mi
10:30/mi
4:05:24
↓ 200.3%
25.2M
10:58/mi
4:09:11
↑ 13↓ 160.2%
Finish· 26.22 mi
9:54/mi
4:19:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:56
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:17:20
Pace10:29 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3626:528:3926:52
8:39
-
10K
6.21 mi11:52:0255:188:5428:26
9:09
+0:30
15K
9.32 mi12:21:131:24:299:0429:11
9:24
+0:15
20K
12.43 mi12:51:211:54:379:1330:08
9:42
+0:18
Half
13.11 mi12:58:402:01:569:187:19
10:43
+1:01
25K
15.53 mi13:23:102:26:269:2624:30
10:06
-0:37
30K
18.64 mi13:56:232:59:399:3833:13
10:41
+0:35
20M
20.00 mi14:10:593:14:159:4314:36
10:45
+0:04
21M
21.00 mi14:22:003:25:169:4611:01
11:01
+0:16
35K
21.75 mi14:29:403:32:569:477:40
10:15
-0:46
23M
23.00 mi14:43:103:46:269:5113:30
10:47
+0:32
24M
24.00 mi14:53:093:56:259:519:59
9:59
-0:48
40K
24.85 mi15:02:084:05:249:528:59
10:30
+0:31
25.2M
25.20 mi15:05:554:09:119:533:47
10:58
+0:28
Finish
26.22 mi15:16:004:19:169:5410:05
9:54
-1:04

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

8:39 /mi

Average Pace

9:54 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:42

48% of race

Time at Steady Pace

51:08

20% of race

Time at Slower Pace

1:23:26

32% of race

Average Pace: 9:53 /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 mi11:23:3626:528:3926:52
8:39
#20747
10K
6.21 mi11:52:0255:188:5428:26
9:09
#21963
15K
9.32 mi12:21:131:24:299:0429:11
9:24
#22561
20K
12.43 mi12:51:211:54:379:1330:08
9:42
#22882
Half
13.11 mi12:58:402:01:569:187:19
10:43
#23129
25K
15.53 mi13:23:102:26:269:2624:30
10:06
#23196
30K
18.64 mi13:56:232:59:399:3833:13
10:41
#23210
20M
20.00 mi14:10:593:14:159:4314:36
10:45
#23188
21M
21.00 mi14:22:003:25:169:4611:01
11:01
#23083
35K
21.75 mi14:29:403:32:569:477:40
10:15
#23053
23M
23.00 mi14:43:103:46:269:5113:30
10:47
#23037
24M
24.00 mi14:53:093:56:259:519:59
9:59
#22950
40K
24.85 mi15:02:084:05:249:528:59
10:30
#22907
25.2M
25.20 mi15:05:554:09:119:533:47
10:58
#22873
Finish
26.22 mi15:16:004:19:169:5410:05
9:54
#22871
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi207477943794323462(Top 83%)9356(Top 77%)9356(Top 545%)
10K6.21 mi3.10 mi21963-12168589-6468589-64623008(Top 81%)9139(Top 75%)9139(Top 532%)
15K9.32 mi3.11 mi22561-5988887-2988887-29823462(Top 83%)9356(Top 77%)9356(Top 545%)
20K12.43 mi3.11 mi22882-3219059-1729059-17223489(Top 83%)9417(Top 77%)9417(Top 548%)
Half13.11 mi0.68 mi23129-2479197-1389197-13826151(Top 92%)10904(Top 89%)10904(Top 635%)
25K15.53 mi2.42 mi23196-679239-429239-4223524(Top 83%)9493(Top 78%)9493(Top 553%)
30K18.64 mi3.11 mi23210-149300-619300-6123371(Top 82%)9537(Top 78%)9537(Top 555%)
20M20.00 mi1.36 mi23188+229304-49304-423064(Top 81%)9454(Top 77%)9454(Top 550%)
21M21.00 mi1.00 mi23083+1059266+389266+3821464(Top 76%)8691(Top 71%)8691(Top 506%)
35K21.75 mi0.75 mi23053+309266926622577(Top 79%)9325(Top 76%)9325(Top 543%)
23M23.00 mi1.25 mi23037+169282-169282-1622715(Top 80%)9451(Top 77%)9451(Top 550%)
24M24.00 mi1.00 mi22950+879259+239259+2321344(Top 75%)8778(Top 72%)8778(Top 511%)
40K24.85 mi0.85 mi22907+439258+19258+121973(Top 77%)9184(Top 75%)9184(Top 535%)
25.2M25.20 mi0.35 mi22873+349248+109248+1020601(Top 73%)8479(Top 69%)8479(Top 494%)
Finish26.22 mi1.02 mi22871+29256-89256-822615(Top 80%)9472(Top 77%)9472(Top 551%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23462

Females

9356

F40-44

9356

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

23008

Females

9139

F40-44

9139

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23462

Females

9356

F40-44

9356

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23489

Females

9417

F40-44

9417

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26151

Females

10904

F40-44

10904

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23524

Females

9493

F40-44

9493

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23371

Females

9537

F40-44

9537

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

23064

Females

9454

F40-44

9454

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

21464

Females

8691

F40-44

8691

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22577

Females

9325

F40-44

9325

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22715

Females

9451

F40-44

9451

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21344

Females

8778

F40-44

8778

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21973

Females

9184

F40-44

9184

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20601

Females

8479

F40-44

8479

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22615

Females

9472

F40-44

9472

Passing Analysis

Category:
Athletes Passed
1054
Passed By
3178
Net Change
-2124
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20747
5K → 10K331249-1216#20747#21963
10K → 15K59657-598#21963#22561
15K → 20K92413-321#22561#22882
20K → Half3250-247#22882#23129
Half → 25K104171-67#23129#23196
25K → 30K166180-14#23196#23210
30K → 20M8361+22#23210#23188
20M → 21M12116+105#23188#23083
21M → 35K5323+30#23083#23053
35K → 23M7660+16#23053#23037
23M → 24M10114+87#23037#22950
24M → 40K7835+43#22950#22907
40K → 25.2M417+34#22907#22873
25.2M → Finish4442+2#22873#22871
TOTALS10543178-2124
📊

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