Boston Marathon logo
BOSTON MARATHON 2023

Bin Yu

Bib: 20495•M

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:08
Rank: #16962
Start → 5K
26:08 | 8:25/mi
10K· 6.21 mi
52:29
Rank: #17515 (-553)
5K → 10K
26:21 | 8:29/mi
15K· 9.32 mi
1:19:05
Rank: #17747 (-232)
10K → 15K
26:36 | 8:34/mi
20K· 12.43 mi
1:46:57
Rank: #18235 (-488)
15K → 20K
27:52 | 8:58/mi
Half· 13.11 mi
1:53:02
Rank: #18335 (-100)
20K → Half
6:05 | 8:55/mi
25K· 15.53 mi
2:17:32
Rank: #19374 (-1039)
Half → 25K
24:30 | 10:06/mi
30K· 18.64 mi
2:49:14
Rank: #19960 (-586)
25K → 30K
31:42 | 10:12/mi
20M
3:03:54
Rank: #20234 (-274)
30K → 20M
14:40 | 10:48/mi
21M
3:15:43
Rank: #20412 (-178)
20M → 21M
11:49 | 11:49/mi
35K· 21.75 mi
3:23:29
Rank: #20480 (-68)
21M → 35K
7:46 | 10:23/mi
23M
3:37:52
Rank: #20708 (-228)
35K → 23M
14:23 | 11:29/mi
24M
3:48:47
Rank: #20822 (-114)
23M → 24M
10:55 | 10:55/mi
40K· 24.85 mi
3:58:35
Rank: #20941 (-119)
24M → 40K
9:48 | 11:28/mi
25.2M
4:02:44
Rank: #20982 (-41)
40K → 25.2M
4:09 | 12:02/mi
Finish· 26.22 mi
4:13:11
Rank: #21047 (-65)
25.2M → Finish
10:27 | 10:15/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:02
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time2:20:09
Pace10:41 /mi
📊Positive Split: 24.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1726:088:2526:08
8:25
-
10K
6.21 mi11:44:3852:298:2726:21
8:29
+0:04
15K
9.32 mi12:11:141:19:058:2926:36
8:34
+0:05
20K
12.43 mi12:39:061:46:578:3627:52
8:58
+0:24
Half
13.11 mi12:45:111:53:028:376:05
8:55
-0:03
25K
15.53 mi13:09:412:17:328:5124:30
10:06
+1:11
30K
18.64 mi13:41:232:49:149:0531:42
10:12
+0:06
20M
20.00 mi13:56:033:03:549:1214:40
10:48
+0:36
21M
21.00 mi14:07:523:15:439:1911:49
11:49
+1:01
35K
21.75 mi14:15:383:23:299:217:46
10:23
-1:26
23M
23.00 mi14:30:013:37:529:2814:23
11:29
+1:06
24M
24.00 mi14:40:563:48:479:3210:55
10:55
-0:34
40K
24.85 mi14:50:443:58:359:369:48
11:28
+0:33
25.2M
25.20 mi14:54:534:02:449:384:09
12:02
+0:34
Finish
26.22 mi15:05:204:13:119:4010:27
10:15
-1:47

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

8:25 /mi

Average Pace

9:40 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:02

45% of race

Time at Steady Pace

1:29:05

35% of race

Time at Slower Pace

51:04

20% of race

Average Pace: 9:39 /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 mi11:18:1726:088:2526:08
8:25
#16962
10K
6.21 mi11:44:3852:298:2726:21
8:29
#17515
15K
9.32 mi12:11:141:19:058:2926:36
8:34
#17747
20K
12.43 mi12:39:061:46:578:3627:52
8:58
#18235
Half
13.11 mi12:45:111:53:028:376:05
8:55
#18335
25K
15.53 mi13:09:412:17:328:5124:30
10:06
#19374
30K
18.64 mi13:41:232:49:149:0531:42
10:12
#19960
20M
20.00 mi13:56:033:03:549:1214:40
10:48
#20234
21M
21.00 mi14:07:523:15:439:1911:49
11:49
#20412
35K
21.75 mi14:15:383:23:299:217:46
10:23
#20480
23M
23.00 mi14:30:013:37:529:2814:23
11:29
#20708
24M
24.00 mi14:40:563:48:479:3210:55
10:55
#20822
40K
24.85 mi14:50:443:58:359:369:48
11:28
#20941
25.2M
25.20 mi14:54:534:02:449:384:09
12:02
#20982
Finish
26.22 mi15:05:204:13:119:4010:27
10:15
#21047
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16962110411104118207(Top 68%)11572(Top 76%)11572(Top 1043%)
10K6.21 mi3.10 mi17515-55311264-22311264-22318141(Top 68%)11563(Top 76%)11563(Top 1042%)
15K9.32 mi3.11 mi17747-23211357-9311357-9318207(Top 68%)11572(Top 76%)11572(Top 1043%)
20K12.43 mi3.11 mi18235-48811565-20811565-20819559(Top 73%)12128(Top 80%)12128(Top 1093%)
Half13.11 mi0.68 mi18335-10011607-4211607-4220050(Top 75%)12344(Top 81%)12344(Top 1112%)
25K15.53 mi2.42 mi19374-103912011-40412011-40422433(Top 84%)13331(Top 88%)13331(Top 1201%)
30K18.64 mi3.11 mi19960-58612230-21912230-21921526(Top 81%)12859(Top 85%)12859(Top 1158%)
20M20.00 mi1.36 mi20234-27412339-10912339-10922326(Top 84%)13147(Top 87%)13147(Top 1184%)
21M21.00 mi1.00 mi20412-17812411-7212411-7222439(Top 84%)13171(Top 87%)13171(Top 1187%)
35K21.75 mi0.75 mi20480-6812429-1812429-1822154(Top 83%)12994(Top 86%)12994(Top 1171%)
23M23.00 mi1.25 mi20708-22812517-8812517-8823223(Top 87%)13493(Top 89%)13493(Top 1216%)
24M24.00 mi1.00 mi20822-11412558-4112558-4122878(Top 86%)13285(Top 88%)13285(Top 1197%)
40K24.85 mi0.85 mi20941-11912596-3812596-3823139(Top 87%)13382(Top 88%)13382(Top 1206%)
25.2M25.20 mi0.35 mi20982-4112610-1412610-1422536(Top 85%)13091(Top 86%)13091(Top 1179%)
Finish26.22 mi1.02 mi21047-6512632-2212632-2222418(Top 84%)13057(Top 86%)13057(Top 1176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18207

Males

11572

M60-64

11572

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18141

Males

11563

M60-64

11563

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18207

Males

11572

M60-64

11572

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19559

Males

12128

M60-64

12128

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

20050

Males

12344

M60-64

12344

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22433

Males

13331

M60-64

13331

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21526

Males

12859

M60-64

12859

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22326

Males

13147

M60-64

13147

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22439

Males

13171

M60-64

13171

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

22154

Males

12994

M60-64

12994

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23223

Males

13493

M60-64

13493

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22878

Males

13285

M60-64

13285

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23139

Males

13382

M60-64

13382

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22536

Males

13091

M60-64

13091

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22418

Males

13057

M60-64

13057

Passing Analysis

Category:
Athletes Passed
536
Passed By
4621
Net Change
-4085
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16962
5K → 10K129682-553#16962#17515
10K → 15K111343-232#17515#17747
15K → 20K63551-488#17747#18235
20K → Half8108-100#18235#18335
Half → 25K131052-1039#18335#19374
25K → 30K44630-586#19374#19960
30K → 20M31305-274#19960#20234
20M → 21M26204-178#20234#20412
21M → 35K2795-68#20412#20480
35K → 23M21249-228#20480#20708
23M → 24M18132-114#20708#20822
24M → 40K10129-119#20822#20941
40K → 25.2M1051-41#20941#20982
25.2M → Finish2590-65#20982#21047
TOTALS5364621-4085
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing