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BOSTON MARATHON 2025

Robin Kee Yoon

Bib: 25395•F

CA

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

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
9:21/mi
29:04
↑ 97↓ 3451.5%
10K· 6.21 mi
9:23/mi
58:14
↑ 79↓ 1380.4%
15K· 9.32 mi
10:07/mi
1:29:40
↑ 67↓ 78
20K· 12.43 mi
9:52/mi
2:00:19
↑ 106↓ 860.1%
Half· 13.11 mi
9:18/mi
2:06:40
↑ 19↓ 370.5%
25K· 15.53 mi
10:45/mi
2:32:43
↑ 66↓ 880.2%
30K· 18.64 mi
11:03/mi
3:07:02
↑ 181↓ 1480.2%
20M
9:45/mi
3:20:17
↑ 64↓ 500.2%
21M
11:40/mi
3:31:57
↑ 106↓ 241.6%
35K· 21.75 mi
9:07/mi
3:38:46
↑ 17↓ 861.7%
23M
10:40/mi
3:52:07
↑ 23↓ 630.6%
24M
9:31/mi
4:01:38
↓ 821.3%
40K· 24.85 mi
10:02/mi
4:10:13
↓ 200.3%
25.2M
12:28/mi
4:14:31
↑ 13↓ 160.2%
Finish· 26.22 mi
9:16/mi
4:23:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:40
Pace9:40 /mi
2nd Half
Distance13.11 mi
Time2:17:18
Pace10:28 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:4329:049:2129:04
9:21
-
10K
6.21 mi11:57:5358:149:2229:10
9:23
+0:02
15K
9.32 mi12:29:191:29:409:3731:26
10:07
+0:44
20K
12.43 mi12:59:582:00:199:4130:39
9:52
-0:15
Half
13.11 mi13:06:192:06:409:406:21
9:18
-0:34
25K
15.53 mi13:32:222:32:439:5026:03
10:45
+1:27
30K
18.64 mi14:06:413:07:0210:0234:19
11:03
+0:18
20M
20.00 mi14:19:563:20:1710:0113:15
9:45
-1:18
21M
21.00 mi14:31:363:31:5710:0611:40
11:40
+1:55
35K
21.75 mi14:38:253:38:4610:046:49
9:07
-2:33
23M
23.00 mi14:51:463:52:0710:0613:21
10:40
+1:33
24M
24.00 mi15:01:174:01:3810:049:31
9:31
-1:09
40K
24.85 mi15:09:524:10:1310:048:35
10:02
+0:31
25.2M
25.20 mi15:14:104:14:3110:064:18
12:28
+2:26
Finish
26.22 mi15:23:374:23:5810:059:27
9:16
-3:12

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

9:07 /mi

Average Pace

10:05 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:51

31% of race

Time at Steady Pace

1:33:26

35% of race

Time at Slower Pace

1:29:41

34% of race

Average Pace: 10:04 /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 mi11:28:4329:049:2129:04
9:21
#23768
10K
6.21 mi11:57:5358:149:2229:10
9:23
#23796
15K
9.32 mi12:29:191:29:409:3731:26
10:07
#24365
20K
12.43 mi12:59:582:00:199:4130:39
9:52
#24256
Half
13.11 mi13:06:192:06:409:406:21
9:18
#24191
25K
15.53 mi13:32:222:32:439:5026:03
10:45
#24328
30K
18.64 mi14:06:413:07:0210:0234:19
11:03
#24306
20M
20.00 mi14:19:563:20:1710:0113:15
9:45
#24034
21M
21.00 mi14:31:363:31:5710:0611:40
11:40
#23978
35K
21.75 mi14:38:253:38:4610:046:49
9:07
#23804
23M
23.00 mi14:51:463:52:0710:0613:21
10:40
#23729
24M
24.00 mi15:01:174:01:3810:049:31
9:31
#23578
40K
24.85 mi15:09:524:10:1310:048:35
10:02
#23466
25.2M
25.20 mi15:14:104:14:3110:064:18
12:28
#23477
Finish
26.22 mi15:23:374:23:5810:059:27
9:16
#23386
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi237689568956825243(Top 89%)10363(Top 85%)10363(Top 1661%)
10K6.21 mi3.10 mi23796-289571-39571-323799(Top 84%)9565(Top 78%)9565(Top 1533%)
15K9.32 mi3.11 mi24365-5699882-3119882-31125243(Top 89%)10363(Top 85%)10363(Top 1661%)
20K12.43 mi3.11 mi24256+1099836+469836+4623931(Top 84%)9666(Top 79%)9666(Top 1549%)
Half13.11 mi0.68 mi24191+659803+339803+3323022(Top 81%)9166(Top 75%)9166(Top 1469%)
25K15.53 mi2.42 mi24328-1379895-929895-9224796(Top 87%)10178(Top 83%)10178(Top 1631%)
30K18.64 mi3.11 mi24306+229896-19896-124082(Top 85%)9906(Top 81%)9906(Top 1588%)
20M20.00 mi1.36 mi24034+2729771+1259771+12520145(Top 71%)7885(Top 64%)7885(Top 1264%)
21M21.00 mi1.00 mi23978+569759+129759+1222968(Top 81%)9484(Top 78%)9484(Top 1520%)
35K21.75 mi0.75 mi23804+1749670+899670+8918829(Top 66%)7380(Top 60%)7380(Top 1183%)
23M23.00 mi1.25 mi23729+759649+219649+2122443(Top 79%)9313(Top 76%)9313(Top 1492%)
24M24.00 mi1.00 mi23578+1519591+589591+5819703(Top 69%)7942(Top 65%)7942(Top 1273%)
40K24.85 mi0.85 mi23466+1129536+559536+5520596(Top 73%)8464(Top 69%)8464(Top 1356%)
25.2M25.20 mi0.35 mi23477-119559-239559-2324154(Top 85%)10246(Top 84%)10246(Top 1642%)
Finish26.22 mi1.02 mi23386+919522+379522+3720306(Top 71%)8304(Top 68%)8304(Top 1331%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25243

Females

10363

F60-64

10363

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23799

Females

9565

F60-64

9565

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25243

Females

10363

F60-64

10363

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23931

Females

9666

F60-64

9666

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

23022

Females

9166

F60-64

9166

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24796

Females

10178

F60-64

10178

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24082

Females

9906

F60-64

9906

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

20145

Females

7885

F60-64

7885

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

22968

Females

9484

F60-64

9484

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18829

Females

7380

F60-64

7380

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22443

Females

9313

F60-64

9313

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

19703

Females

7942

F60-64

7942

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20596

Females

8464

F60-64

8464

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24154

Females

10246

F60-64

10246

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20306

Females

8304

F60-64

8304

Passing Analysis

Category:
Athletes Passed
1779
Passed By
1397
Net Change
+382
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23768
5K → 10K226254-28#23768#23796
10K → 15K33602-569#23796#24365
15K → 20K19081+109#24365#24256
20K → Half683+65#24256#24191
Half → 25K75212-137#24191#24328
25K → 30K154132+22#24328#24306
30K → 20M2720+272#24306#24034
20M → 21M9034+56#24034#23978
21M → 35K1751+174#23978#23804
35K → 23M10328+75#23804#23729
23M → 24M1510+151#23729#23578
24M → 40K1186+112#23578#23466
40K → 25.2M2536-11#23466#23477
25.2M → Finish998+91#23477#23386
TOTALS17791397+382
📊

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