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BOSTON MARATHON 2025

Yong-Son Basta

Bib: 13498•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 28%
Gender (Female)
#0 / 12228
Top 11%
Masters (Masters Women)
#0 / 6759
Top 3%
Division (F60-64)
#0 / 624
Top 0.6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:26
Rank: #7089
Start → 5K
6:54/mi
21:26 split
10K· 6.21 mi
43:30
Rank: #7875 (-786)
5K → 10K
7:06/mi
22:04 split
15K· 9.32 mi
1:05:53
Rank: #8268 (-393)
10K → 15K
7:12/mi
22:23 split
20K· 12.43 mi
1:28:39
Rank: #8408 (-140)
15K → 20K
7:20/mi
22:46 split
Half· 13.11 mi
1:33:30
Rank: #8399 (+9)
20K → Half
7:07/mi
4:51 split
25K· 15.53 mi
1:51:10
Rank: #8336 (+63)
Half → 25K
7:17/mi
17:40 split
30K· 18.64 mi
2:14:44
Rank: #8233 (+103)
25K → 30K
7:35/mi
23:34 split
20M
2:25:08
Rank: #8188 (+45)
30K → 20M
7:39/mi
10:24 split
21M
2:33:24
Rank: #8178 (+10)
20M → 21M
8:16/mi
8:16 split
35K· 21.75 mi
2:38:49
Rank: #8079 (+99)
21M → 35K
7:14/mi
5:25 split
23M
2:48:21
Rank: #7967 (+112)
35K → 23M
7:37/mi
9:32 split
24M
2:55:55
Rank: #7954 (+13)
23M → 24M
7:34/mi
7:34 split
40K· 24.85 mi
3:02:33
Rank: #7938 (+16)
24M → 40K
7:45/mi
6:38 split
25.2M
3:05:27
Rank: #7922 (+16)
40K → 25.2M
8:25/mi
2:54 split
Finish· 26.22 mi
3:12:59
Rank: #7902 (+20)
25.2M → Finish
7:24/mi
7:32 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:30
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:39:29
Pace7:35 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5421:266:5421:26
6:54
-
10K
6.21 mi11:12:5843:307:0022:04
7:06
+0:12
15K
9.32 mi11:35:211:05:537:0422:23
7:12
+0:06
20K
12.43 mi11:58:071:28:397:0822:46
7:20
+0:08
Half
13.11 mi12:02:581:33:307:084:51
7:07
-0:13
25K
15.53 mi12:20:381:51:107:0917:40
7:17
+0:10
30K
18.64 mi12:44:122:14:447:1423:34
7:35
+0:18
20M
20.00 mi12:54:362:25:087:1510:24
7:39
+0:04
21M
21.00 mi13:02:522:33:247:188:16
8:16
+0:37
35K
21.75 mi13:08:172:38:497:185:25
7:14
-1:02
23M
23.00 mi13:17:492:48:217:199:32
7:37
+0:23
24M
24.00 mi13:25:232:55:557:207:34
7:34
-0:03
40K
24.85 mi13:32:013:02:337:216:38
7:45
+0:11
25.2M
25.20 mi13:34:553:05:277:222:54
8:25
+0:40
Finish
26.22 mi13:42:273:12:597:227:32
7:24
-1:01

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

6:54 /mi

Average Pace

7:22 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:21

25% of race

Time at Steady Pace

1:46:54

55% of race

Time at Slower Pace

37:44

20% of race

Average Pace: 7:22 /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 mi10:50:5421:266:5421:26
6:54
#7089
10K
6.21 mi11:12:5843:307:0022:04
7:06
#7875
15K
9.32 mi11:35:211:05:537:0422:23
7:12
#8268
20K
12.43 mi11:58:071:28:397:0822:46
7:20
#8408
Half
13.11 mi12:02:581:33:307:084:51
7:07
#8399
25K
15.53 mi12:20:381:51:107:0917:40
7:17
#8336
30K
18.64 mi12:44:122:14:447:1423:34
7:35
#8233
20M
20.00 mi12:54:362:25:087:1510:24
7:39
#8188
21M
21.00 mi13:02:522:33:247:188:16
8:16
#8178
35K
21.75 mi13:08:172:38:497:185:25
7:14
#8079
23M
23.00 mi13:17:492:48:217:199:32
7:37
#7967
24M
24.00 mi13:25:232:55:557:207:34
7:34
#7954
40K
24.85 mi13:32:013:02:337:216:38
7:45
#7938
25.2M
25.20 mi13:34:553:05:277:222:54
8:25
#7922
Finish
26.22 mi13:42:273:12:597:227:32
7:24
#7902
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi70897037039182(Top 32%)1502(Top 12%)1502(Top 241%)
10K6.21 mi3.10 mi7875-786957-254957-2548711(Top 31%)1268(Top 10%)1268(Top 203%)
15K9.32 mi3.11 mi8268-3931107-1501107-1509182(Top 32%)1502(Top 12%)1502(Top 241%)
20K12.43 mi3.11 mi8408-1401189-821189-829274(Top 33%)1635(Top 13%)1635(Top 262%)
Half13.11 mi0.68 mi8399+9118911898418(Top 30%)1256(Top 10%)1256(Top 201%)
25K15.53 mi2.42 mi8336+631181+81181+88277(Top 29%)1326(Top 11%)1326(Top 213%)
30K18.64 mi3.11 mi8233+1031197-161197-168351(Top 29%)1529(Top 13%)1529(Top 245%)
20M20.00 mi1.36 mi8188+451207-101207-108067(Top 28%)1561(Top 13%)1561(Top 250%)
21M21.00 mi1.00 mi8178+101238-311238-319023(Top 32%)2166(Top 18%)2166(Top 347%)
35K21.75 mi0.75 mi8079+991226+121226+126896(Top 24%)1247(Top 10%)1247(Top 200%)
23M23.00 mi1.25 mi7967+1121231-51231-57350(Top 26%)1549(Top 13%)1549(Top 248%)
24M24.00 mi1.00 mi7954+131264-331264-338179(Top 29%)1933(Top 16%)1933(Top 310%)
40K24.85 mi0.85 mi7938+161287-231287-238495(Top 30%)2210(Top 18%)2210(Top 354%)
25.2M25.20 mi0.35 mi7922+161293-61293-68289(Top 29%)2169(Top 18%)2169(Top 348%)
Finish26.22 mi1.02 mi7902+201317-241317-248429(Top 30%)2240(Top 18%)2240(Top 359%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9182

Females

1502

F60-64

1502

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8711

Females

1268

F60-64

1268

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9182

Females

1502

F60-64

1502

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9274

Females

1635

F60-64

1635

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8418

Females

1256

F60-64

1256

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8277

Females

1326

F60-64

1326

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8351

Females

1529

F60-64

1529

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

8067

Females

1561

F60-64

1561

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

9023

Females

2166

F60-64

2166

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6896

Females

1247

F60-64

1247

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7350

Females

1549

F60-64

1549

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8179

Females

1933

F60-64

1933

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8495

Females

2210

F60-64

2210

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8289

Females

2169

F60-64

2169

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8429

Females

2240

F60-64

2240

Passing Analysis

Category:
Athletes Passed
1411
Passed By
2224
Net Change
-813
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7089
5K → 10K40826-786#7089#7875
10K → 15K52445-393#7875#8268
15K → 20K118258-140#8268#8408
20K → Half3021+9#8408#8399
Half → 25K15188+63#8399#8336
25K → 30K243140+103#8336#8233
30K → 20M12681+45#8233#8188
20M → 21M9686+10#8188#8178
21M → 35K11314+99#8178#8079
35K → 23M16452+112#8079#7967
23M → 24M7461+13#7967#7954
24M → 40K7458+16#7954#7938
40K → 25.2M4024+16#7938#7922
25.2M → Finish9070+20#7922#7902
TOTALS14112224-813
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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