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BOSTON MARATHON 2025

Gloria Yuen Shan Leung

Bib: 28883•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:52
Rank: #23534
Start → 5K
28:52 | 9:17/mi
10K· 6.21 mi
57:00
Rank: #23115 (+419)
5K → 10K
28:08 | 9:03/mi
15K· 9.32 mi
1:25:02
Rank: #22797 (+318)
10K → 15K
28:02 | 9:01/mi
20K· 12.43 mi
1:53:58
Rank: #22661 (+136)
15K → 20K
28:56 | 9:19/mi
Half· 13.11 mi
2:00:18
Rank: #22671 (-10)
20K → Half
6:20 | 9:17/mi
25K· 15.53 mi
2:23:54
Rank: #22666 (+5)
Half → 25K
23:36 | 9:44/mi
30K· 18.64 mi
2:55:35
Rank: #22553 (+113)
25K → 30K
31:41 | 10:12/mi
20M
3:09:44
Rank: #22517 (+36)
30K → 20M
14:09 | 10:25/mi
21M
3:20:41
Rank: #22429 (+88)
20M → 21M
10:57 | 10:57/mi
35K· 21.75 mi
3:28:41
Rank: #22474 (-45)
21M → 35K
8:00 | 10:42/mi
23M
3:41:58
Rank: #22456 (+18)
35K → 23M
13:17 | 10:37/mi
24M
3:52:23
Rank: #22436 (+20)
23M → 24M
10:25 | 10:25/mi
40K· 24.85 mi
4:01:02
Rank: #22369 (+67)
24M → 40K
8:39 | 10:07/mi
25.2M
4:04:45
Rank: #22330 (+39)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
4:14:43
Rank: #22319 (+11)
25.2M → Finish
9:58 | 9:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:18
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:14:25
Pace10:15 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4128:529:1728:52
9:17
-
10K
6.21 mi12:18:4957:009:1028:08
9:03
-0:14
15K
9.32 mi12:46:511:25:029:0728:02
9:01
-0:02
20K
12.43 mi13:15:471:53:589:1028:56
9:19
+0:18
Half
13.11 mi13:22:072:00:189:116:20
9:17
-0:02
25K
15.53 mi13:45:432:23:549:1623:36
9:44
+0:27
30K
18.64 mi14:17:242:55:359:2531:41
10:12
+0:28
20M
20.00 mi14:31:333:09:449:2914:09
10:25
+0:13
21M
21.00 mi14:42:303:20:419:3310:57
10:57
+0:32
35K
21.75 mi14:50:303:28:419:368:00
10:42
-0:15
23M
23.00 mi15:03:473:41:589:3913:17
10:37
-0:05
24M
24.00 mi15:14:123:52:239:4110:25
10:25
-0:12
40K
24.85 mi15:22:514:01:029:428:39
10:07
-0:18
25.2M
25.20 mi15:26:344:04:459:433:43
10:47
+0:40
Finish
26.22 mi15:36:324:14:439:439:58
9:47
-1:00

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

9:01 /mi

Average Pace

9:43 /mi

Slowest Pace

10:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:52

60% of race

Time at Steady Pace

1:04:54

25% of race

Time at Slower Pace

35:57

14% of race

Average Pace: 9:43 /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 mi11:50:4128:529:1728:52
9:17
#23534
10K
6.21 mi12:18:4957:009:1028:08
9:03
#23115
15K
9.32 mi12:46:511:25:029:0728:02
9:01
#22797
20K
12.43 mi13:15:471:53:589:1028:56
9:19
#22661
Half
13.11 mi13:22:072:00:189:116:20
9:17
#22671
25K
15.53 mi13:45:432:23:549:1623:36
9:44
#22666
30K
18.64 mi14:17:242:55:359:2531:41
10:12
#22553
20M
20.00 mi14:31:333:09:449:2914:09
10:25
#22517
21M
21.00 mi14:42:303:20:419:3310:57
10:57
#22429
35K
21.75 mi14:50:303:28:419:368:00
10:42
#22474
23M
23.00 mi15:03:473:41:589:3913:17
10:37
#22456
24M
24.00 mi15:14:123:52:239:4110:25
10:25
#22436
40K
24.85 mi15:22:514:01:029:428:39
10:07
#22369
25.2M
25.20 mi15:26:344:04:459:433:43
10:47
#22330
Finish
26.22 mi15:36:324:14:439:439:58
9:47
#22319
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi235349449944922150(Top 78%)8638(Top 71%)8638(Top 663%)
10K6.21 mi3.10 mi23115+4199215+2349215+23422631(Top 80%)8940(Top 73%)8940(Top 686%)
15K9.32 mi3.11 mi22797+3189012+2039012+20322150(Top 78%)8638(Top 71%)8638(Top 663%)
20K12.43 mi3.11 mi22661+1368936+768936+7622309(Top 79%)8757(Top 72%)8757(Top 672%)
Half13.11 mi0.68 mi22671-108943-78943-722926(Top 81%)9104(Top 74%)9104(Top 699%)
25K15.53 mi2.42 mi22666+58958-158958-1522590(Top 80%)8977(Top 73%)8977(Top 689%)
30K18.64 mi3.11 mi22553+1138939+198939+1922182(Top 78%)8865(Top 72%)8865(Top 680%)
20M20.00 mi1.36 mi22517+368942-38942-322191(Top 78%)9006(Top 74%)9006(Top 691%)
21M21.00 mi1.00 mi22429+888905+378905+3721267(Top 75%)8590(Top 70%)8590(Top 659%)
35K21.75 mi0.75 mi22474-458948-438948-4323577(Top 83%)9843(Top 80%)9843(Top 755%)
23M23.00 mi1.25 mi22456+188969-218969-2122308(Top 79%)9231(Top 75%)9231(Top 708%)
24M24.00 mi1.00 mi22436+208976-78976-722590(Top 80%)9428(Top 77%)9428(Top 724%)
40K24.85 mi0.85 mi22369+678965+118965+1120860(Top 73%)8595(Top 70%)8595(Top 660%)
25.2M25.20 mi0.35 mi22330+398945+208945+2020023(Top 70%)8184(Top 67%)8184(Top 628%)
Finish26.22 mi1.02 mi22319+118956-118956-1122221(Top 78%)9276(Top 76%)9276(Top 712%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

22150

Females

8638

F50-54

8638

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

22631

Females

8940

F50-54

8940

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

22150

Females

8638

F50-54

8638

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22309

Females

8757

F50-54

8757

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

22926

Females

9104

F50-54

9104

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22590

Females

8977

F50-54

8977

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22182

Females

8865

F50-54

8865

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22191

Females

9006

F50-54

9006

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21267

Females

8590

F50-54

8590

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

23577

Females

9843

F50-54

9843

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

22308

Females

9231

F50-54

9231

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22590

Females

9428

F50-54

9428

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20860

Females

8595

F50-54

8595

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

20023

Females

8184

F50-54

8184

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22221

Females

9276

F50-54

9276

Passing Analysis

Category:
Athletes Passed
2064
Passed By
849
Net Change
+1215
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23534
5K → 10K49879+419#23534#23115
10K → 15K35941+318#23115#22797
15K → 20K251115+136#22797#22661
20K → Half3343-10#22661#22671
Half → 25K148143+5#22671#22666
25K → 30K230117+113#22666#22553
30K → 20M9458+36#22553#22517
20M → 21M11527+88#22517#22429
21M → 35K3075-45#22429#22474
35K → 23M7658+18#22474#22456
23M → 24M6545+20#22456#22436
24M → 40K7710+67#22436#22369
40K → 25.2M401+39#22369#22330
25.2M → Finish4837+11#22330#22319
TOTALS2064849+1215
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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