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BOSTON MARATHON 2025

Minjung Kang

Bib: 31612•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
10:53/mi
33:50
↑ 97↓ 3451.5%
10K· 6.21 mi
10:56/mi
1:07:47
↑ 79↓ 1380.4%
15K· 9.32 mi
11:54/mi
1:44:44
↑ 67↓ 78
20K· 12.43 mi
12:23/mi
2:23:12
↑ 106↓ 860.1%
Half· 13.11 mi
11:07/mi
2:30:47
↑ 19↓ 370.5%
25K· 15.53 mi
15:24/mi
3:08:08
↑ 66↓ 880.2%
30K· 18.64 mi
13:24/mi
3:49:47
↑ 181↓ 1480.2%
20M
14:02/mi
4:08:51
↑ 64↓ 500.2%
21M
14:14/mi
4:23:05
↑ 106↓ 241.6%
35K· 21.75 mi
12:12/mi
4:32:13
↑ 17↓ 861.7%
23M
17:43/mi
4:54:24
↑ 23↓ 630.6%
24M
14:43/mi
5:09:07
↓ 821.3%
40K· 24.85 mi
12:05/mi
5:19:27
↓ 200.3%
25.2M
18:25/mi
5:25:48
↑ 13↓ 160.2%
Finish· 26.22 mi
10:48/mi
5:36:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:30:47
Pace11:30 /mi
2nd Half
Distance13.11 mi
Time3:06:01
Pace14:11 /mi
📊Positive Split: 23.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:1633:5010:5333:50
10:53
-
10K
6.21 mi12:29:131:07:4710:5533:57
10:56
+0:03
15K
9.32 mi13:06:101:44:4411:1436:57
11:54
+0:58
20K
12.43 mi13:44:382:23:1211:3138:28
12:23
+0:29
Half
13.11 mi13:52:132:30:4711:307:35
11:07
-1:16
25K
15.53 mi14:29:343:08:0812:0737:21
15:24
+4:17
30K
18.64 mi15:11:133:49:4712:2041:39
13:24
-2:00
20M
20.00 mi15:30:174:08:5112:2719:04
14:02
+0:38
21M
21.00 mi15:44:314:23:0512:3214:14
14:14
+0:12
35K
21.75 mi15:53:394:32:1312:319:08
12:12
-2:02
23M
23.00 mi16:15:504:54:2412:4822:11
17:43
+5:31
24M
24.00 mi16:30:335:09:0712:5314:43
14:43
-3:00
40K
24.85 mi16:40:535:19:2712:5110:20
12:05
-2:38
25.2M
25.20 mi16:47:145:25:4812:566:21
18:25
+6:20
Finish
26.22 mi16:58:145:36:4812:5111:00
10:48
-7:37

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

10:48 /mi

Average Pace

12:51 /mi

Slowest Pace

18:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:22

26% of race

Time at Steady Pace

2:16:32

41% of race

Time at Slower Pace

1:53:54

34% of race

Average Pace: 12:51 /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 mi11:55:1633:5010:5333:50
10:53
#27423
10K
6.21 mi12:29:131:07:4710:5533:57
10:56
#27205
15K
9.32 mi13:06:101:44:4411:1436:57
11:54
#27355
20K
12.43 mi13:44:382:23:1211:3138:28
12:23
#27402
Half
13.11 mi13:52:132:30:4711:307:35
11:07
#27367
25K
15.53 mi14:29:343:08:0812:0737:21
15:24
#27684
30K
18.64 mi15:11:133:49:4712:2041:39
13:24
#27589
20M
20.00 mi15:30:174:08:5112:2719:04
14:02
#27571
21M
21.00 mi15:44:314:23:0512:3214:14
14:14
#27529
35K
21.75 mi15:53:394:32:1312:319:08
12:12
#27498
23M
23.00 mi16:15:504:54:2412:4822:11
17:43
#27664
24M
24.00 mi16:30:335:09:0712:5314:43
14:43
#27709
40K
24.85 mi16:40:535:19:2712:5110:20
12:05
#27645
25.2M
25.20 mi16:47:145:25:4812:566:21
18:25
#27690
Finish
26.22 mi16:58:145:36:4812:5111:00
10:48
#27633
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27423115901159027555(Top 97%)11722(Top 96%)11722(Top 214%)
10K6.21 mi3.10 mi27205+21811479+11111479+11126969(Top 95%)11354(Top 93%)11354(Top 208%)
15K9.32 mi3.11 mi27355-15011565-8611565-8627555(Top 97%)11722(Top 96%)11722(Top 214%)
20K12.43 mi3.11 mi27402-4711599-3411599-3427428(Top 97%)11659(Top 95%)11659(Top 213%)
Half13.11 mi0.68 mi27367+3511586+1311586+1326663(Top 94%)11216(Top 92%)11216(Top 205%)
25K15.53 mi2.42 mi27684-31711791-20511791-20528298(Top 100%)12182(Top 100%)12182(Top 223%)
30K18.64 mi3.11 mi27589+9511751+4011751+4027065(Top 95%)11535(Top 94%)11535(Top 211%)
20M20.00 mi1.36 mi27571+1811754-311754-327315(Top 96%)11718(Top 96%)11718(Top 214%)
21M21.00 mi1.00 mi27529+4211732+2211732+2226473(Top 93%)11299(Top 92%)11299(Top 207%)
35K21.75 mi0.75 mi27498+3111713+1911713+1926137(Top 92%)11163(Top 91%)11163(Top 204%)
23M23.00 mi1.25 mi27664-16611814-10111814-10128317(Top 100%)12201(Top 100%)12201(Top 223%)
24M24.00 mi1.00 mi27709-4511845-3111845-3127964(Top 98%)12085(Top 99%)12085(Top 221%)
40K24.85 mi0.85 mi27645+6411816+2911816+2925048(Top 88%)10699(Top 87%)10699(Top 196%)
25.2M25.20 mi0.35 mi27690-4511846-3011846-3028260(Top 99%)12190(Top 100%)12190(Top 223%)
Finish26.22 mi1.02 mi27633+5711820+2611820+2624928(Top 88%)10627(Top 87%)10627(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

27555

Females

11722

F18-39

11722

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

26969

Females

11354

F18-39

11354

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

27555

Females

11722

F18-39

11722

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

27428

Females

11659

F18-39

11659

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

26663

Females

11216

F18-39

11216

Half→25K

13.1 - 15.5 mi

Top 100%
×4story building
+66ft-88ft

Overall

28298

Females

12182

F18-39

12182

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

27065

Females

11535

F18-39

11535

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27315

Females

11718

F18-39

11718

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26473

Females

11299

F18-39

11299

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26137

Females

11163

F18-39

11163

35K→23M

21.8 - 23.0 mi

Top 100%
×5story building
+23ft-63ft

Overall

28317

Females

12201

F18-39

12201

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27964

Females

12085

F18-39

12085

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

25048

Females

10699

F18-39

10699

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28260

Females

12190

F18-39

12190

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

24928

Females

10627

F18-39

10627

Passing Analysis

Category:
Athletes Passed
790
Passed By
1000
Net Change
-210
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27423
5K → 10K26345+218#27423#27205
10K → 15K55205-150#27205#27355
15K → 20K68115-47#27355#27402
20K → Half372+35#27402#27367
Half → 25K8325-317#27367#27684
25K → 30K11318+95#27684#27589
30K → 20M3719+18#27589#27571
20M → 21M442+42#27571#27529
21M → 35K321+31#27529#27498
35K → 23M3169-166#27498#27664
23M → 24M853-45#27664#27709
24M → 40K651+64#27709#27645
40K → 25.2M045-45#27645#27690
25.2M → Finish570+57#27690#27633
TOTALS7901000-210
📊

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