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BOSTON MARATHON 2025

Mikyung Won

Bib: 25192•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
Top 29%
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
8:47/mi
27:16
↑ 97↓ 3451.5%
10K· 6.21 mi
8:43/mi
54:22
↑ 79↓ 1380.4%
15K· 9.32 mi
8:46/mi
1:21:37
↑ 67↓ 78
20K· 12.43 mi
8:54/mi
1:49:17
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
1:55:18
↑ 19↓ 370.5%
25K· 15.53 mi
9:13/mi
2:17:39
↑ 66↓ 880.2%
30K· 18.64 mi
9:38/mi
2:47:34
↑ 181↓ 1480.2%
20M
10:00/mi
3:01:09
↑ 64↓ 500.2%
21M
10:29/mi
3:11:38
↑ 106↓ 241.6%
35K· 21.75 mi
9:37/mi
3:18:50
↑ 17↓ 861.7%
23M
9:53/mi
3:31:12
↑ 23↓ 630.6%
24M
9:18/mi
3:40:30
↓ 821.3%
40K· 24.85 mi
9:41/mi
3:48:47
↓ 200.3%
25.2M
10:55/mi
3:52:33
↑ 13↓ 160.2%
Finish· 26.22 mi
8:58/mi
4:01:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:18
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:06:23
Pace9:38 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2927:168:4727:16
8:47
-
10K
6.21 mi11:55:3554:228:4527:06
8:43
-0:04
15K
9.32 mi12:22:501:21:378:4527:15
8:46
+0:03
20K
12.43 mi12:50:301:49:178:4827:40
8:54
+0:08
Half
13.11 mi12:56:311:55:188:486:01
8:49
-0:05
25K
15.53 mi13:18:522:17:398:5222:21
9:13
+0:24
30K
18.64 mi13:48:472:47:348:5929:55
9:38
+0:25
20M
20.00 mi14:02:223:01:099:0313:35
10:00
+0:22
21M
21.00 mi14:12:513:11:389:0810:29
10:29
+0:29
35K
21.75 mi14:20:033:18:509:097:12
9:37
-0:52
23M
23.00 mi14:32:253:31:129:1112:22
9:53
+0:16
24M
24.00 mi14:41:433:40:309:119:18
9:18
-0:35
40K
24.85 mi14:50:003:48:479:128:17
9:41
+0:23
25.2M
25.20 mi14:53:463:52:339:143:46
10:55
+1:14
Finish
26.22 mi15:02:544:01:419:139:08
8:58
-1:57

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

8:43 /mi

Average Pace

9:13 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:26

51% of race

Time at Steady Pace

38:51

16% of race

Time at Slower Pace

1:18:24

32% of race

Average Pace: 9:13 /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 mi11:28:2927:168:4727:16
8:47
#21389
10K
6.21 mi11:55:3554:228:4527:06
8:43
#21170
15K
9.32 mi12:22:501:21:378:4527:15
8:46
#21035
20K
12.43 mi12:50:301:49:178:4827:40
8:54
#20897
Half
13.11 mi12:56:311:55:188:486:01
8:49
#20906
25K
15.53 mi13:18:522:17:398:5222:21
9:13
#20918
30K
18.64 mi13:48:472:47:348:5929:55
9:38
#20815
20M
20.00 mi14:02:223:01:099:0313:35
10:00
#20832
21M
21.00 mi14:12:513:11:389:0810:29
10:29
#20755
35K
21.75 mi14:20:033:18:509:097:12
9:37
#20768
23M
23.00 mi14:32:253:31:129:1112:22
9:53
#20753
24M
24.00 mi14:41:433:40:309:119:18
9:18
#20670
40K
24.85 mi14:50:003:48:479:128:17
9:41
#20645
25.2M
25.20 mi14:53:463:52:339:143:46
10:55
#20643
Finish
26.22 mi15:02:544:01:419:139:08
8:58
#20596
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi213898293829320889(Top 74%)7938(Top 65%)7938(Top 1272%)
10K6.21 mi3.10 mi21170+2198144+1498144+14921012(Top 74%)8021(Top 66%)8021(Top 1285%)
15K9.32 mi3.11 mi21035+1358060+848060+8420889(Top 74%)7938(Top 65%)7938(Top 1272%)
20K12.43 mi3.11 mi20897+1387977+837977+8320515(Top 72%)7783(Top 64%)7783(Top 1247%)
Half13.11 mi0.68 mi20906-97980-37980-321026(Top 74%)8059(Top 66%)8059(Top 1292%)
25K15.53 mi2.42 mi20918-127997-177997-1720848(Top 73%)8005(Top 65%)8005(Top 1283%)
30K18.64 mi3.11 mi20815+1037994+37994+320473(Top 72%)7920(Top 65%)7920(Top 1269%)
20M20.00 mi1.36 mi20832-178014-208014-2020931(Top 74%)8321(Top 68%)8321(Top 1333%)
21M21.00 mi1.00 mi20755+777986+287986+2819973(Top 70%)7895(Top 65%)7895(Top 1265%)
35K21.75 mi0.75 mi20768-138015-298015-2920780(Top 73%)8381(Top 69%)8381(Top 1343%)
23M23.00 mi1.25 mi20753+158026-118026-1120084(Top 71%)8096(Top 66%)8096(Top 1297%)
24M24.00 mi1.00 mi20670+837996+307996+3018844(Top 66%)7469(Top 61%)7469(Top 1197%)
40K24.85 mi0.85 mi20645+258001-58001-519450(Top 68%)7866(Top 64%)7866(Top 1261%)
25.2M25.20 mi0.35 mi20643+28009-88009-820418(Top 72%)8366(Top 68%)8366(Top 1341%)
Finish26.22 mi1.02 mi20596+477994+157994+1518877(Top 66%)7537(Top 62%)7537(Top 1208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

20889

Females

7938

F60-64

7938

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

21012

Females

8021

F60-64

8021

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

20889

Females

7938

F60-64

7938

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20515

Females

7783

F60-64

7783

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

21026

Females

8059

F60-64

8059

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20848

Females

8005

F60-64

8005

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

20473

Females

7920

F60-64

7920

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

20931

Females

8321

F60-64

8321

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19973

Females

7895

F60-64

7895

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20780

Females

8381

F60-64

8381

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20084

Females

8096

F60-64

8096

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18844

Females

7469

F60-64

7469

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19450

Females

7866

F60-64

7866

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20418

Females

8366

F60-64

8366

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18877

Females

7537

F60-64

7537

Passing Analysis

Category:
Athletes Passed
1987
Passed By
1194
Net Change
+793
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21389
5K → 10K404185+219#21389#21170
10K → 15K259124+135#21170#21035
15K → 20K250112+138#21035#20897
20K → Half3241-9#20897#20906
Half → 25K141153-12#20906#20918
25K → 30K263160+103#20918#20815
30K → 20M95112-17#20815#20832
20M → 21M13255+77#20832#20755
21M → 35K5467-13#20755#20768
35K → 23M9883+15#20768#20753
23M → 24M10017+83#20753#20670
24M → 40K7045+25#20670#20645
40K → 25.2M2422+2#20645#20643
25.2M → Finish6518+47#20643#20596
TOTALS19871194+793
📊

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