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BOSTON MARATHON 2025

Hung Chun-Yi

Bib: 22414•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
9:59/mi
31:02
↑ 97↓ 3451.5%
10K· 6.21 mi
10:41/mi
1:04:15
↑ 79↓ 1380.4%
15K· 9.32 mi
11:53/mi
1:41:11
↑ 67↓ 78
20K· 12.43 mi
12:08/mi
2:18:52
↑ 106↓ 860.1%
Half· 13.11 mi
11:26/mi
2:26:40
↑ 19↓ 370.5%
25K· 15.53 mi
12:22/mi
2:56:38
↑ 66↓ 880.2%
30K· 18.64 mi
13:34/mi
3:38:48
↑ 181↓ 1480.2%
20M
15:09/mi
3:59:23
↑ 64↓ 500.2%
21M
15:45/mi
4:15:08
↑ 106↓ 241.6%
35K· 21.75 mi
13:31/mi
4:25:15
↑ 17↓ 861.7%
23M
13:27/mi
4:42:06
↑ 23↓ 630.6%
24M
13:52/mi
4:55:58
↓ 821.3%
40K· 24.85 mi
13:55/mi
5:07:52
↓ 200.3%
25.2M
14:39/mi
5:12:55
↑ 13↓ 160.2%
Finish· 26.22 mi
12:21/mi
5:25:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:26:40
Pace11:11 /mi
2nd Half
Distance13.11 mi
Time2:58:50
Pace13:39 /mi
📊Positive Split: 21.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:5631:029:5931:02
9:59
-
10K
6.21 mi12:01:091:04:1510:2033:13
10:41
+0:42
15K
9.32 mi12:38:051:41:1110:5136:56
11:53
+1:12
20K
12.43 mi13:15:462:18:5211:1037:41
12:08
+0:15
Half
13.11 mi13:23:342:26:4011:117:48
11:26
-0:42
25K
15.53 mi13:53:322:56:3811:2229:58
12:22
+0:56
30K
18.64 mi14:35:423:38:4811:4442:10
13:34
+1:12
20M
20.00 mi14:56:173:59:2311:5820:35
15:09
+1:35
21M
21.00 mi15:12:024:15:0812:0915:45
15:45
+0:36
35K
21.75 mi15:22:094:25:1512:1210:07
13:31
-2:14
23M
23.00 mi15:39:004:42:0612:1616:51
13:27
-0:04
24M
24.00 mi15:52:524:55:5812:2013:52
13:52
+0:25
40K
24.85 mi16:04:465:07:5212:2311:54
13:55
+0:03
25.2M
25.20 mi16:09:495:12:5512:255:03
14:39
+0:44
Finish
26.22 mi16:22:245:25:3012:2512:35
12:21
-2:18

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

9:59 /mi

Average Pace

12:25 /mi

Slowest Pace

15:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:13

58% of race

Time at Steady Pace

1:34:54

29% of race

Time at Slower Pace

41:23

13% of race

Average Pace: 12:25 /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 mi11:27:5631:029:5931:02
9:59
#25536
10K
6.21 mi12:01:091:04:1510:2033:13
10:41
#26166
15K
9.32 mi12:38:051:41:1110:5136:56
11:53
#26880
20K
12.43 mi13:15:462:18:5211:1037:41
12:08
#27022
Half
13.11 mi13:23:342:26:4011:117:48
11:26
#27005
25K
15.53 mi13:53:322:56:3811:2229:58
12:22
#26985
30K
18.64 mi14:35:423:38:4811:4442:10
13:34
#27056
20M
20.00 mi14:56:173:59:2311:5820:35
15:09
#27156
21M
21.00 mi15:12:024:15:0812:0915:45
15:45
#27201
35K
21.75 mi15:22:094:25:1512:1210:07
13:31
#27222
23M
23.00 mi15:39:004:42:0612:1616:51
13:27
#27222
24M
24.00 mi15:52:524:55:5812:2013:52
13:52
#27249
40K
24.85 mi16:04:465:07:5212:2311:54
13:55
#27262
25.2M
25.20 mi16:09:495:12:5512:255:03
14:39
#27263
Finish
26.22 mi16:22:245:25:3012:2512:35
12:21
#27268
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi25536104971049727547(Top 97%)11714(Top 96%)11714(Top 646%)
10K6.21 mi3.10 mi26166-63010860-36310860-36326585(Top 94%)11113(Top 91%)11113(Top 613%)
15K9.32 mi3.11 mi26880-71411284-42411284-42427547(Top 97%)11714(Top 96%)11714(Top 646%)
20K12.43 mi3.11 mi27022-14211379-9511379-9527226(Top 96%)11537(Top 94%)11537(Top 636%)
Half13.11 mi0.68 mi27005+1711375+411375+426998(Top 95%)11416(Top 93%)11416(Top 630%)
25K15.53 mi2.42 mi26985+2011374+111374+126804(Top 94%)11318(Top 93%)11318(Top 624%)
30K18.64 mi3.11 mi27056-7111426-5211426-5227189(Top 96%)11600(Top 95%)11600(Top 640%)
20M20.00 mi1.36 mi27156-10011496-7011496-7027933(Top 98%)12022(Top 98%)12022(Top 663%)
21M21.00 mi1.00 mi27201-4511531-3511531-3527683(Top 97%)11899(Top 97%)11899(Top 656%)
35K21.75 mi0.75 mi27222-2111553-2211553-2227378(Top 96%)11787(Top 96%)11787(Top 650%)
23M23.00 mi1.25 mi2722211561-811561-826840(Top 94%)11520(Top 94%)11520(Top 635%)
24M24.00 mi1.00 mi27249-2711586-2511586-2527561(Top 97%)11913(Top 97%)11913(Top 657%)
40K24.85 mi0.85 mi27262-1311594-811594-827100(Top 95%)11696(Top 96%)11696(Top 645%)
25.2M25.20 mi0.35 mi27263-111596-211596-226841(Top 94%)11587(Top 95%)11587(Top 639%)
Finish26.22 mi1.02 mi27268-511605-911605-927159(Top 96%)11696(Top 96%)11696(Top 645%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

27547

Females

11714

F45-49

11714

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

26585

Females

11113

F45-49

11113

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

27547

Females

11714

F45-49

11714

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27226

Females

11537

F45-49

11537

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

26998

Females

11416

F45-49

11416

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26804

Females

11318

F45-49

11318

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27189

Females

11600

F45-49

11600

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27933

Females

12022

F45-49

12022

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

27683

Females

11899

F45-49

11899

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

27378

Females

11787

F45-49

11787

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

26840

Females

11520

F45-49

11520

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

27561

Females

11913

F45-49

11913

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

27100

Females

11696

F45-49

11696

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26841

Females

11587

F45-49

11587

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

27159

Females

11696

F45-49

11696

Passing Analysis

Category:
Athletes Passed
373
Passed By
2105
Net Change
-1732
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25536
5K → 10K43673-630#25536#26166
10K → 15K8722-714#26166#26880
15K → 20K65207-142#26880#27022
20K → Half258+17#27022#27005
Half → 25K7353+20#27005#26985
25K → 30K56127-71#26985#27056
30K → 20M6106-100#27056#27156
20M → 21M1358-45#27156#27201
21M → 35K1132-21#27201#27222
35K → 23M27270#27222#27222
23M → 24M1239-27#27222#27249
24M → 40K1326-13#27249#27262
40K → 25.2M89-1#27262#27263
25.2M → Finish1318-5#27263#27268
TOTALS3732105-1732
📊

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