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BOSTON MARATHON 2025

Yunghui Yuan

Bib: 19292 F TW

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 49%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:58/mi
27:51
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:53/mi
55:26
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:49/mi
1:22:49
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:49/mi
1:50:12
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:37/mi
1:56:05
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:49/mi
2:17:27
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:03/mi
2:45:35
↑ 181↓ 1480.2%
138 ft elev
20M
9:00/mi
2:57:49
↑ 64↓ 500.2%
148 ft elev
21M
9:33/mi
3:07:22
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:52/mi
3:14:00
↑ 17↓ 861.7%
156 ft elev
23M
8:46/mi
3:24:58
↑ 23↓ 630.6%
116 ft elev
24M
8:37/mi
3:33:35
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:36/mi
3:40:56
↓ 200.3%
20 ft elev
25.2M
9:20/mi
3:44:09
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:11/mi
3:52:29
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:56:05
Pace8:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:56:24
Pace8:53 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:1527:518:5827:51
8:58
-
10K
6.21 mi11:57:5055:268:5527:35
8:53
-0:05
15K
9.32 mi12:25:131:22:498:5327:23
8:49
-0:04
20K
12.43 mi12:52:361:50:128:5227:23
8:49
0:00
Half
13.11 mi12:58:291:56:058:515:53
8:37
-0:12
25K
15.53 mi13:19:512:17:278:5121:22
8:49
+0:12
30K
18.64 mi13:47:592:45:358:5328:08
9:03
+0:14
20M
20.00 mi14:00:132:57:498:5312:14
9:00
-0:03
21M
21.00 mi14:09:463:07:228:559:33
9:33
+0:33
35K
21.75 mi14:16:243:14:008:556:38
8:52
-0:41
23M
23.00 mi14:27:223:24:588:5510:58
8:46
-0:06
24M
24.00 mi14:35:593:33:358:548:37
8:37
-0:09
40K
24.85 mi14:43:203:40:568:537:21
8:36
-0:01
25.2M
25.20 mi14:46:333:44:098:543:13
9:20
+0:44
Finish
26.22 mi14:54:533:52:298:528:20
8:11
-1:09

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

8:11 /mi

Average Pace

8:52 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:35

82% of race

Time at Steady Pace

40:54

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:52 /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 mi11:30:1527:518:5827:51
8:58
#22269
10K
6.21 mi11:57:5055:268:5527:35
8:53
#22058
15K
9.32 mi12:25:131:22:498:5327:23
8:49
#21747
20K
12.43 mi12:52:361:50:128:5227:23
8:49
#21257
Half
13.11 mi12:58:291:56:058:515:53
8:37
#21198
25K
15.53 mi13:19:512:17:278:5121:22
8:49
#20860
30K
18.64 mi13:47:592:45:358:5328:08
9:03
#20295
20M
20.00 mi14:00:132:57:498:5312:14
9:00
#20032
21M
21.00 mi14:09:463:07:228:559:33
9:33
#19818
35K
21.75 mi14:16:243:14:008:556:38
8:52
#19733
23M
23.00 mi14:27:223:24:588:5510:58
8:46
#19472
24M
24.00 mi14:35:593:33:358:548:37
8:37
#19294
40K
24.85 mi14:43:203:40:568:537:21
8:36
#19098
25.2M
25.20 mi14:46:333:44:098:543:13
9:20
#19007
Finish
26.22 mi14:54:533:52:298:528:20
8:11
#18845
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi222698775877521088(Top 74%)8047(Top 66%)8047(Top 444%)
10K6.21 mi3.10 mi22058+2118645+1308645+13021800(Top 77%)8476(Top 69%)8476(Top 468%)
15K9.32 mi3.11 mi21747+3118464+1818464+18121088(Top 74%)8047(Top 66%)8047(Top 444%)
20K12.43 mi3.11 mi21257+4908174+2908174+29020010(Top 70%)7484(Top 61%)7484(Top 413%)
Half13.11 mi0.68 mi21198+598138+368138+3619954(Top 70%)7442(Top 61%)7442(Top 410%)
25K15.53 mi2.42 mi20860+3387960+1787960+17819003(Top 67%)6980(Top 57%)6980(Top 385%)
30K18.64 mi3.11 mi20295+5657695+2657695+26517962(Top 63%)6557(Top 54%)6557(Top 362%)
20M20.00 mi1.36 mi20032+2637564+1317564+13116830(Top 59%)6055(Top 50%)6055(Top 334%)
21M21.00 mi1.00 mi19818+2147469+957469+9516340(Top 58%)5899(Top 48%)5899(Top 325%)
35K21.75 mi0.75 mi19733+857434+357434+3517635(Top 62%)6710(Top 55%)6710(Top 370%)
23M23.00 mi1.25 mi19472+2617323+1117323+11114924(Top 53%)5304(Top 43%)5304(Top 293%)
24M24.00 mi1.00 mi19294+1787245+787245+7815307(Top 54%)5557(Top 45%)5557(Top 307%)
40K24.85 mi0.85 mi19098+1967145+1007145+10014094(Top 50%)5031(Top 41%)5031(Top 277%)
25.2M25.20 mi0.35 mi19007+917112+337112+3313733(Top 48%)4913(Top 40%)4913(Top 271%)
Finish26.22 mi1.02 mi18845+1627042+707042+7014167(Top 50%)5043(Top 41%)5043(Top 278%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

21088

Females

8047

F45-49

8047

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21800

Females

8476

F45-49

8476

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

21088

Females

8047

F45-49

8047

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

20010

Females

7484

F45-49

7484

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19954

Females

7442

F45-49

7442

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

19003

Females

6980

F45-49

6980

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17962

Females

6557

F45-49

6557

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16830

Females

6055

F45-49

6055

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16340

Females

5899

F45-49

5899

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17635

Females

6710

F45-49

6710

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14924

Females

5304

F45-49

5304

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15307

Females

5557

F45-49

5557

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14094

Females

5031

F45-49

5031

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13733

Females

4913

F45-49

4913

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14167

Females

5043

F45-49

5043

Passing Analysis

Category:
Athletes Passed
3770
Passed By
346
Net Change
+3424
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22269
5K → 10K375164+211#22269#22058
10K → 15K38574+311#22058#21747
15K → 20K51525+490#21747#21257
20K → Half7112+59#21257#21198
Half → 25K35012+338#21198#20860
25K → 30K57611+565#20860#20295
30K → 20M2685+263#20295#20032
20M → 21M2239+214#20032#19818
21M → 35K9510+85#19818#19733
35K → 23M2665+261#19733#19472
23M → 24M1835+178#19472#19294
24M → 40K2004+196#19294#19098
40K → 25.2M954+91#19098#19007
25.2M → Finish1686+162#19007#18845
TOTALS3770346+3424
📊

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