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BOSTON MARATHON 2025

Yong-Son Basta

CT

Bib: 13498 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:54/mi
21:26
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:06/mi
43:30
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:12/mi
1:05:53
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:20/mi
1:28:39
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:07/mi
1:33:30
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:17/mi
1:51:10
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:35/mi
2:14:44
↑ 181↓ 1480.2%
138 ft elev
20M
7:39/mi
2:25:08
↑ 64↓ 500.2%
148 ft elev
21M
8:16/mi
2:33:24
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:14/mi
2:38:49
↑ 17↓ 861.7%
156 ft elev
23M
7:37/mi
2:48:21
↑ 23↓ 630.6%
116 ft elev
24M
7:34/mi
2:55:55
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:45/mi
3:02:33
↓ 200.3%
20 ft elev
25.2M
8:25/mi
3:05:27
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:24/mi
3:12:59
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:33:307:08 /mi⚡ faster
2nd Half
1:39:297:35 /mi+6.4%
Positive split — 6.4% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:266:543.11 mi21:26
6:54
-
10K
43:307:003.10 mi22:04
7:06
+0:12
15K
1:05:537:043.11 mi22:23
7:12
+0:06
20K
1:28:397:083.11 mi22:46
7:20
+0:08
Half(13.11 mi)
1:33:307:080.68 mi4:51
7:07
-0:13
25K
1:51:107:092.42 mi17:40
7:17
+0:10
30K
2:14:447:143.11 mi23:34
7:35
+0:18
20M
2:25:087:151.36 mi10:24
7:39
+0:04
21M
2:33:247:181.00 mi8:16
8:16
+0:37
35K
2:38:497:180.75 mi5:25
7:14
-1:02
23M
2:48:217:191.25 mi9:32
7:37
+0:23
24M
2:55:557:201.00 mi7:34
7:34
-0:03
40K
3:02:337:210.85 mi6:38
7:45
+0:11
25.2M
3:05:277:220.35 mi2:54
8:25
+0:40
Finish(26.22 mi)
3:12:597:221.02 mi7:32
7:24
-1:01
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:54 /mi

Average Pace

7:22 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

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

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi7089703703918215021502
10K3.10 mi7875-786957-254957-254871112681268
15K3.11 mi8268-3931107-1501107-150918215021502
20K3.11 mi8408-1401189-821189-82927416351635
Half(13.11 mi)0.68 mi8399+911891189841812561256
25K2.42 mi8336+631181+81181+8827713261326
30K3.11 mi8233+1031197-161197-16835115291529
20M1.36 mi8188+451207-101207-10806715611561
21M1.00 mi8178+101238-311238-31902321662166
35K0.75 mi8079+991226+121226+12689612471247
23M1.25 mi7967+1121231-51231-5735015491549
24M1.00 mi7954+131264-331264-33817919331933
40K0.85 mi7938+161287-231287-23849522102210
25.2M0.35 mi7922+161293-61293-6828921692169
Finish(26.22 mi)1.02 mi7902+201317-241317-24842922402240

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9182

Females

1502

F60-64

1502

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8711

Females

1268

F60-64

1268

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9182

Females

1502

F60-64

1502

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

9274

Females

1635

F60-64

1635

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8418

Females

1256

F60-64

1256

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8277

Females

1326

F60-64

1326

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8351

Females

1529

F60-64

1529

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

8067

Females

1561

F60-64

1561

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9023

Females

2166

F60-64

2166

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6896

Females

1247

F60-64

1247

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7350

Females

1549

F60-64

1549

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+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%
×2story building
+22ft-21ft

Overall

8429

Females

2240

F60-64

2240

Passing Analysis

Category:
Passed
1411
Passed By
2224
Net Change
-813
SegmentPassedPassed 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 Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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