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BOSTON MARATHON 2025

Yeonhye Jung

Bib: 21981•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

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
8:32/mi
26:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:52/mi
54:04
↑ 79↓ 1380.4%
15K· 9.32 mi
9:20/mi
1:23:03
↑ 67↓ 78
20K· 12.43 mi
9:32/mi
1:52:41
↑ 106↓ 860.1%
Half· 13.11 mi
9:37/mi
1:59:15
↑ 19↓ 370.5%
25K· 15.53 mi
9:38/mi
2:22:37
↑ 66↓ 880.2%
30K· 18.64 mi
8:53/mi
2:50:12
↑ 181↓ 1480.2%
20M
9:49/mi
3:03:32
↑ 64↓ 500.2%
21M
10:49/mi
3:14:21
↑ 106↓ 241.6%
35K· 21.75 mi
9:25/mi
3:21:24
↑ 17↓ 861.7%
23M
9:49/mi
3:33:42
↑ 23↓ 630.6%
24M
9:21/mi
3:43:03
↓ 821.3%
40K· 24.85 mi
9:45/mi
3:51:23
↓ 200.3%
25.2M
10:06/mi
3:54:52
↑ 13↓ 160.2%
Finish· 26.22 mi
9:02/mi
4:04:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:15
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:04:49
Pace9:31 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1926:318:3226:31
8:32
-
10K
6.21 mi11:48:5254:048:4227:33
8:52
+0:20
15K
9.32 mi12:17:511:23:038:5528:59
9:20
+0:28
20K
12.43 mi12:47:291:52:419:0429:38
9:32
+0:12
Half
13.11 mi12:54:031:59:159:066:34
9:37
+0:05
25K
15.53 mi13:17:252:22:379:1123:22
9:38
+0:01
30K
18.64 mi13:45:002:50:129:0827:35
8:53
-0:45
20M
20.00 mi13:58:203:03:329:1113:20
9:49
+0:56
21M
21.00 mi14:09:093:14:219:1510:49
10:49
+1:00
35K
21.75 mi14:16:123:21:249:167:03
9:25
-1:24
23M
23.00 mi14:28:303:33:429:1712:18
9:49
+0:24
24M
24.00 mi14:37:513:43:039:189:21
9:21
-0:28
40K
24.85 mi14:46:113:51:239:198:20
9:45
+0:24
25.2M
25.20 mi14:49:403:54:529:193:29
10:06
+0:21
Finish
26.22 mi14:58:524:04:049:199:12
9:02
-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

8:32 /mi

Average Pace

9:19 /mi

Slowest Pace

10:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:51

37% of race

Time at Steady Pace

1:53:17

46% of race

Time at Slower Pace

39:56

16% of race

Average Pace: 9:19 /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 mi11:21:1926:318:3226:31
8:32
#20111
10K
6.21 mi11:48:5254:048:4227:33
8:52
#20927
15K
9.32 mi12:17:511:23:038:5528:59
9:20
#21864
20K
12.43 mi12:47:291:52:419:0429:38
9:32
#22233
Half
13.11 mi12:54:031:59:159:066:34
9:37
#22332
25K
15.53 mi13:17:252:22:379:1123:22
9:38
#22368
30K
18.64 mi13:45:002:50:129:0827:35
8:53
#21448
20M
20.00 mi13:58:203:03:329:1113:20
9:49
#21349
21M
21.00 mi14:09:093:14:219:1510:49
10:49
#21338
35K
21.75 mi14:16:123:21:249:167:03
9:25
#21299
23M
23.00 mi14:28:303:33:429:1712:18
9:49
#21188
24M
24.00 mi14:37:513:43:039:189:21
9:21
#21093
40K
24.85 mi14:46:113:51:239:198:20
9:45
#21045
25.2M
25.20 mi14:49:403:54:529:193:29
10:06
#20975
Finish
26.22 mi14:58:524:04:049:199:12
9:02
#20900
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi201117566756623296(Top 82%)9259(Top 76%)9259(Top 711%)
10K6.21 mi3.10 mi20927-8168015-4498015-44921742(Top 77%)8446(Top 69%)8446(Top 648%)
15K9.32 mi3.11 mi21864-9378525-5108525-51023296(Top 82%)9259(Top 76%)9259(Top 711%)
20K12.43 mi3.11 mi22233-3698719-1948719-19423021(Top 81%)9160(Top 75%)9160(Top 703%)
Half13.11 mi0.68 mi22332-998782-638782-6323917(Top 84%)9650(Top 79%)9650(Top 741%)
25K15.53 mi2.42 mi22368-368793-118793-1122313(Top 79%)8821(Top 72%)8821(Top 677%)
30K18.64 mi3.11 mi21448+9208332+4618332+46117045(Top 60%)6056(Top 50%)6056(Top 465%)
20M20.00 mi1.36 mi21349+998293+398293+3920342(Top 72%)7987(Top 65%)7987(Top 613%)
21M21.00 mi1.00 mi21338+118302-98302-920903(Top 74%)8400(Top 69%)8400(Top 645%)
35K21.75 mi0.75 mi21299+398289+138289+1320072(Top 71%)8022(Top 66%)8022(Top 616%)
23M23.00 mi1.25 mi21188+1118261+288261+2819895(Top 70%)7999(Top 65%)7999(Top 614%)
24M24.00 mi1.00 mi21093+958245+168245+1619058(Top 67%)7578(Top 62%)7578(Top 582%)
40K24.85 mi0.85 mi21045+488225+208225+2019649(Top 69%)7970(Top 65%)7970(Top 612%)
25.2M25.20 mi0.35 mi20975+708197+288197+2817557(Top 62%)6911(Top 57%)6911(Top 530%)
Finish26.22 mi1.02 mi20900+758172+258172+2519216(Top 68%)7732(Top 63%)7732(Top 593%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23296

Females

9259

F50-54

9259

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21742

Females

8446

F50-54

8446

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23296

Females

9259

F50-54

9259

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

23021

Females

9160

F50-54

9160

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23917

Females

9650

F50-54

9650

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

22313

Females

8821

F50-54

8821

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

17045

Females

6056

F50-54

6056

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20342

Females

7987

F50-54

7987

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

20903

Females

8400

F50-54

8400

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20072

Females

8022

F50-54

8022

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

19895

Females

7999

F50-54

7999

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

19058

Females

7578

F50-54

7578

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19649

Females

7970

F50-54

7970

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17557

Females

6911

F50-54

6911

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19216

Females

7732

F50-54

7732

Passing Analysis

Category:
Athletes Passed
2052
Passed By
2841
Net Change
-789
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20111
5K → 10K64880-816#20111#20927
10K → 15K43980-937#20927#21864
15K → 20K99468-369#21864#22233
20K → Half9108-99#22233#22332
Half → 25K131167-36#22332#22368
25K → 30K9211+920#22368#21448
30K → 20M14445+99#21448#21349
20M → 21M8574+11#21349#21338
21M → 35K6526+39#21338#21299
35K → 23M14635+111#21299#21188
23M → 24M11419+95#21188#21093
24M → 40K7022+48#21093#21045
40K → 25.2M733+70#21045#20975
25.2M → Finish8813+75#20975#20900
TOTALS20522841-789
📊

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