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BOSTON MARATHON 2025

Liying Jiang

Bib: 23946•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 (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:32
Rank: #21816
Start → 5K
27:32 | 8:52/mi
10K· 6.21 mi
54:33
Rank: #21341 (+475)
5K → 10K
27:01 | 8:42/mi
15K· 9.32 mi
1:22:37
Rank: #21620 (-279)
10K → 15K
28:04 | 9:02/mi
20K· 12.43 mi
1:50:17
Rank: #21300 (+320)
15K → 20K
27:40 | 8:54/mi
Half· 13.11 mi
1:56:17
Rank: #21272 (+28)
20K → Half
6:00 | 8:48/mi
25K· 15.53 mi
2:18:13
Rank: #21087 (+185)
Half → 25K
21:56 | 9:03/mi
30K· 18.64 mi
2:47:06
Rank: #20700 (+387)
25K → 30K
28:53 | 9:18/mi
20M
2:59:59
Rank: #20550 (+150)
30K → 20M
12:53 | 9:29/mi
21M
3:09:40
Rank: #20343 (+207)
20M → 21M
9:41 | 9:41/mi
35K· 21.75 mi
3:16:03
Rank: #20189 (+154)
21M → 35K
6:23 | 8:32/mi
23M
3:27:37
Rank: #20047 (+142)
35K → 23M
11:34 | 9:14/mi
24M
3:36:32
Rank: #19907 (+140)
23M → 24M
8:55 | 8:55/mi
40K· 24.85 mi
3:44:32
Rank: #19834 (+73)
24M → 40K
8:00 | 9:21/mi
25.2M
3:47:54
Rank: #19787 (+47)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:56:39
Rank: #19679 (+108)
25.2M → Finish
8:45 | 8:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:17
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:00:22
Pace9:11 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2127:328:5227:32
8:52
-
10K
6.21 mi11:54:2254:338:4727:01
8:42
-0:10
15K
9.32 mi12:22:261:22:378:5228:04
9:02
+0:20
20K
12.43 mi12:50:061:50:178:5227:40
8:54
-0:08
Half
13.11 mi12:56:061:56:178:526:00
8:48
-0:06
25K
15.53 mi13:18:022:18:138:5421:56
9:03
+0:15
30K
18.64 mi13:46:552:47:068:5828:53
9:18
+0:15
20M
20.00 mi13:59:482:59:599:0012:53
9:29
+0:11
21M
21.00 mi14:09:293:09:409:029:41
9:41
+0:12
35K
21.75 mi14:15:523:16:039:016:23
8:32
-1:09
23M
23.00 mi14:27:263:27:379:0211:34
9:14
+0:42
24M
24.00 mi14:36:213:36:329:018:55
8:55
-0:19
40K
24.85 mi14:44:213:44:329:028:00
9:21
+0:26
25.2M
25.20 mi14:47:433:47:549:033:22
9:46
+0:25
Finish
26.22 mi14:56:283:56:399:028:45
8:35
-1:11

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

8:32 /mi

Average Pace

9:02 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:30:43

89% of race

Time at Steady Pace

25:56

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:02 /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 mi11:27:2127:328:5227:32
8:52
#21816
10K
6.21 mi11:54:2254:338:4727:01
8:42
#21341
15K
9.32 mi12:22:261:22:378:5228:04
9:02
#21620
20K
12.43 mi12:50:061:50:178:5227:40
8:54
#21300
Half
13.11 mi12:56:061:56:178:526:00
8:48
#21272
25K
15.53 mi13:18:022:18:138:5421:56
9:03
#21087
30K
18.64 mi13:46:552:47:068:5828:53
9:18
#20700
20M
20.00 mi13:59:482:59:599:0012:53
9:29
#20550
21M
21.00 mi14:09:293:09:409:029:41
9:41
#20343
35K
21.75 mi14:15:523:16:039:016:23
8:32
#20189
23M
23.00 mi14:27:263:27:379:0211:34
9:14
#20047
24M
24.00 mi14:36:213:36:329:018:55
8:55
#19907
40K
24.85 mi14:44:213:44:329:028:00
9:21
#19834
25.2M
25.20 mi14:47:433:47:549:033:22
9:46
#19787
Finish
26.22 mi14:56:283:56:399:028:45
8:35
#19679
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi218168522852222189(Top 78%)8656(Top 71%)8656(Top 664%)
10K6.21 mi3.10 mi21341+4758242+2808242+28020850(Top 73%)7940(Top 65%)7940(Top 609%)
15K9.32 mi3.11 mi21620-2798377-1358377-13522189(Top 78%)8656(Top 71%)8656(Top 664%)
20K12.43 mi3.11 mi21300+3208199+1788199+17820505(Top 72%)7773(Top 64%)7773(Top 597%)
Half13.11 mi0.68 mi21272+288184+158184+1520896(Top 74%)7979(Top 65%)7979(Top 612%)
25K15.53 mi2.42 mi21087+1858091+938091+9320116(Top 71%)7597(Top 62%)7597(Top 583%)
30K18.64 mi3.11 mi20700+3877926+1657926+16519102(Top 67%)7175(Top 59%)7175(Top 551%)
20M20.00 mi1.36 mi20550+1507854+727854+7219097(Top 67%)7313(Top 60%)7313(Top 561%)
21M21.00 mi1.00 mi20343+2077771+837771+8316988(Top 60%)6259(Top 51%)6259(Top 480%)
35K21.75 mi0.75 mi20189+1547699+727699+7215731(Top 55%)5649(Top 46%)5649(Top 434%)
23M23.00 mi1.25 mi20047+1427644+557644+5517529(Top 62%)6748(Top 55%)6748(Top 518%)
24M24.00 mi1.00 mi19907+1407598+467598+4616963(Top 60%)6487(Top 53%)6487(Top 498%)
40K24.85 mi0.85 mi19834+737575+237575+2318127(Top 64%)7185(Top 59%)7185(Top 551%)
25.2M25.20 mi0.35 mi19787+477549+267549+2615999(Top 56%)6104(Top 50%)6104(Top 468%)
Finish26.22 mi1.02 mi19679+1087508+417508+4116802(Top 59%)6463(Top 53%)6463(Top 496%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

22189

Females

8656

F50-54

8656

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20850

Females

7940

F50-54

7940

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

22189

Females

8656

F50-54

8656

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20505

Females

7773

F50-54

7773

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

20896

Females

7979

F50-54

7979

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20116

Females

7597

F50-54

7597

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

19102

Females

7175

F50-54

7175

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

19097

Females

7313

F50-54

7313

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

16988

Females

6259

F50-54

6259

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15731

Females

5649

F50-54

5649

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17529

Females

6748

F50-54

6748

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16963

Females

6487

F50-54

6487

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18127

Females

7185

F50-54

7185

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15999

Females

6104

F50-54

6104

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16802

Females

6463

F50-54

6463

Passing Analysis

Category:
Athletes Passed
2933
Passed By
796
Net Change
+2137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21816
5K → 10K57398+475#21816#21341
10K → 15K125404-279#21341#21620
15K → 20K38060+320#21620#21300
20K → Half4820+28#21300#21272
Half → 25K24661+185#21272#21087
25K → 30K42942+387#21087#20700
30K → 20M18333+150#20700#20550
20M → 21M21811+207#20550#20343
21M → 35K1551+154#20343#20189
35K → 23M15513+142#20189#20047
23M → 24M15010+140#20047#19907
24M → 40K9623+73#19907#19834
40K → 25.2M503+47#19834#19787
25.2M → Finish12517+108#19787#19679
TOTALS2933796+2137
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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