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BOSTON MARATHON 2025

Jingchu Yu

PA

Bib: 24625 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
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
8:42/mi
27:01
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:35/mi
53:41
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:30/mi
1:20:06
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:33/mi
1:49:47
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:37/mi
1:55:40
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:38/mi
2:21:28
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:49/mi
2:55:05
↑ 181↓ 1480.2%
138 ft elev
20M
10:13/mi
3:08:58
↑ 64↓ 500.2%
148 ft elev
21M
14:03/mi
3:23:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:59/mi
3:30:29
↑ 17↓ 861.7%
156 ft elev
23M
10:46/mi
3:43:58
↑ 23↓ 630.6%
116 ft elev
24M
9:34/mi
3:53:32
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:39/mi
4:04:21
↓ 200.3%
20 ft elev
25.2M
11:16/mi
4:08:14
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:34/mi
4:16:58
↑ 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 HalfFaster
Distance13.11 mi
Time1:55:40
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time2:21:18
Pace10:47 /mi
📊Positive Split: 22.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:1127:018:4227:01
8:42
-
10K
6.21 mi11:54:5153:418:3826:40
8:35
-0:07
15K
9.32 mi12:21:161:20:068:3626:25
8:30
-0:05
20K
12.43 mi12:50:571:49:478:5029:41
9:33
+1:03
Half
13.11 mi12:56:501:55:408:495:53
8:37
-0:56
25K
15.53 mi13:22:382:21:289:0625:48
10:38
+2:01
30K
18.64 mi13:56:152:55:059:2433:37
10:49
+0:11
20M
20.00 mi14:10:083:08:589:2713:53
10:13
-0:36
21M
21.00 mi14:24:113:23:019:4014:03
14:03
+3:50
35K
21.75 mi14:31:393:30:299:417:28
9:59
-4:04
23M
23.00 mi14:45:083:43:589:4413:29
10:46
+0:47
24M
24.00 mi14:54:423:53:329:449:34
9:34
-1:12
40K
24.85 mi15:05:314:04:219:5010:49
12:39
+3:05
25.2M
25.20 mi15:09:244:08:149:513:53
11:16
-1:23
Finish
26.22 mi15:18:084:16:589:488:44
8:34
-2:42

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

8:30 /mi

Average Pace

9:48 /mi

Slowest Pace

14:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:43

37% of race

Time at Steady Pace

1:26:24

34% of race

Time at Slower Pace

1:15:51

30% of race

Average Pace: 9:48 /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 mi11:28:1127:018:4227:01
8:42
#21011
10K
6.21 mi11:54:5153:418:3826:40
8:35
#20620
15K
9.32 mi12:21:161:20:068:3626:25
8:30
#20200
20K
12.43 mi12:50:571:49:478:5029:41
9:33
#21094
Half
13.11 mi12:56:501:55:408:495:53
8:37
#21055
25K
15.53 mi13:22:382:21:289:0625:48
10:38
#22027
30K
18.64 mi13:56:152:55:059:2433:37
10:49
#22465
20M
20.00 mi14:10:083:08:589:2713:53
10:13
#22401
21M
21.00 mi14:24:113:23:019:4014:03
14:03
#22779
35K
21.75 mi14:31:393:30:299:417:28
9:59
#22722
23M
23.00 mi14:45:083:43:589:4413:29
10:46
#22713
24M
24.00 mi14:54:423:53:329:449:34
9:34
#22575
40K
24.85 mi15:05:314:04:219:5010:49
12:39
#22767
25.2M
25.20 mi15:09:244:08:149:513:53
11:16
#22742
Finish
26.22 mi15:18:084:16:589:488:44
8:34
#22593
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi210118093809319358(Top 68%)7102(Top 58%)7102(Top 1138%)
10K6.21 mi3.10 mi20620+3917845+2487845+24820281(Top 71%)7627(Top 62%)7627(Top 1222%)
15K9.32 mi3.11 mi20200+4207584+2617584+26119358(Top 68%)7102(Top 58%)7102(Top 1138%)
20K12.43 mi3.11 mi21094-8948082-4988082-49823079(Top 81%)9194(Top 75%)9194(Top 1473%)
Half13.11 mi0.68 mi21055+398062+208062+2020011(Top 70%)7499(Top 61%)7499(Top 1202%)
25K15.53 mi2.42 mi22027-9728620-5588620-55824616(Top 87%)10084(Top 82%)10084(Top 1616%)
30K18.64 mi3.11 mi22465-4388895-2758895-27523656(Top 83%)9680(Top 79%)9680(Top 1551%)
20M20.00 mi1.36 mi22401+648874+218874+2121631(Top 76%)8703(Top 71%)8703(Top 1395%)
21M21.00 mi1.00 mi22779-3789104-2309104-23026286(Top 93%)11198(Top 92%)11198(Top 1795%)
35K21.75 mi0.75 mi22722+579089+159089+1521866(Top 77%)8974(Top 73%)8974(Top 1438%)
23M23.00 mi1.25 mi22713+99106-179106-1722683(Top 80%)9433(Top 77%)9433(Top 1512%)
24M24.00 mi1.00 mi22575+1389061+459061+4519887(Top 70%)8031(Top 66%)8031(Top 1287%)
40K24.85 mi0.85 mi22767-1929175-1149175-11425875(Top 91%)11079(Top 91%)11079(Top 1775%)
25.2M25.20 mi0.35 mi22742+259169+69169+621462(Top 76%)8895(Top 73%)8895(Top 1425%)
Finish26.22 mi1.02 mi22593+1499111+589111+5816720(Top 59%)6425(Top 53%)6425(Top 1030%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19358

Females

7102

F60-64

7102

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20281

Females

7627

F60-64

7627

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19358

Females

7102

F60-64

7102

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

23079

Females

9194

F60-64

9194

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

20011

Females

7499

F60-64

7499

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24616

Females

10084

F60-64

10084

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

23656

Females

9680

F60-64

9680

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21631

Females

8703

F60-64

8703

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26286

Females

11198

F60-64

11198

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

21866

Females

8974

F60-64

8974

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22683

Females

9433

F60-64

9433

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19887

Females

8031

F60-64

8031

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25875

Females

11079

F60-64

11079

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21462

Females

8895

F60-64

8895

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16720

Females

6425

F60-64

6425

Passing Analysis

Category:
Athletes Passed
1797
Passed By
3379
Net Change
-1582
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21011
5K → 10K529138+391#21011#20620
10K → 15K46040+420#20620#20200
15K → 20K47941-894#20200#21094
20K → Half5516+39#21094#21055
Half → 25K16988-972#21055#22027
25K → 30K81519-438#22027#22465
30K → 20M10238+64#22465#22401
20M → 21M16394-378#22401#22779
21M → 35K7417+57#22779#22722
35K → 23M8273+9#22722#22713
23M → 24M1435+138#22713#22575
24M → 40K6198-192#22575#22767
40K → 25.2M3611+25#22767#22742
25.2M → Finish1501+149#22742#22593
TOTALS17973379-1582
📊

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