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BOSTON MARATHON 2023

Ruey-Shan Guo

Bib: 15675•M

0:00
0:00
/ mi
Masters
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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
24:16
Rank: #12445
Start → 5K
24:16 | 7:49/mi
10K· 6.21 mi
48:56
Rank: #13386 (-941)
5K → 10K
24:40 | 7:56/mi
15K· 9.32 mi
1:13:36
Rank: #13544 (-158)
10K → 15K
24:40 | 7:56/mi
20K· 12.43 mi
1:39:18
Rank: #14019 (-475)
15K → 20K
25:42 | 8:16/mi
Half· 13.11 mi
1:44:59
Rank: #14176 (-157)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:05:48
Rank: #14640 (-464)
Half → 25K
20:49 | 8:35/mi
30K· 18.64 mi
2:34:40
Rank: #15446 (-806)
25K → 30K
28:52 | 9:17/mi
20M
2:49:01
Rank: #16225 (-779)
30K → 20M
14:21 | 10:34/mi
21M
2:59:35
Rank: #16501 (-276)
20M → 21M
10:34 | 10:34/mi
35K· 21.75 mi
3:06:50
Rank: #16710 (-209)
21M → 35K
7:15 | 9:41/mi
23M
3:19:41
Rank: #17058 (-348)
35K → 23M
12:51 | 10:16/mi
24M
3:29:40
Rank: #17323 (-265)
23M → 24M
9:59 | 9:59/mi
40K· 24.85 mi
3:37:58
Rank: #17420 (-97)
24M → 40K
8:18 | 9:42/mi
25.2M
3:41:35
Rank: #17464 (-44)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:50:59
Rank: #17560 (-96)
25.2M → Finish
9:24 | 9:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:59
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time2:06:00
Pace9:37 /mi
📊Positive Split: 20.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4224:167:4924:16
7:49
-
10K
6.21 mi11:18:2248:567:5324:40
7:56
+0:07
15K
9.32 mi11:43:021:13:367:5424:40
7:56
0:00
20K
12.43 mi12:08:441:39:187:5925:42
8:16
+0:20
Half
13.11 mi12:14:251:44:598:005:41
8:20
+0:04
25K
15.53 mi12:35:142:05:488:0620:49
8:35
+0:15
30K
18.64 mi13:04:062:34:408:1828:52
9:17
+0:42
20M
20.00 mi13:18:272:49:018:2714:21
10:34
+1:17
21M
21.00 mi13:29:012:59:358:3310:34
10:34
0:00
35K
21.75 mi13:36:163:06:508:357:15
9:41
-0:53
23M
23.00 mi13:49:073:19:418:4112:51
10:16
+0:35
24M
24.00 mi13:59:063:29:408:449:59
9:59
-0:17
40K
24.85 mi14:07:243:37:588:468:18
9:42
-0:17
25.2M
25.20 mi14:11:013:41:358:483:37
10:29
+0:47
Finish
26.22 mi14:20:253:50:598:499:24
9:13
-1:16

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

7:49 /mi

Average Pace

8:49 /mi

Slowest Pace

10:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:48

54% of race

Time at Steady Pace

53:49

23% of race

Time at Slower Pace

51:22

22% of race

Average Pace: 8:49 /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 mi10:53:4224:167:4924:16
7:49
#12445
10K
6.21 mi11:18:2248:567:5324:40
7:56
#13386
15K
9.32 mi11:43:021:13:367:5424:40
7:56
#13544
20K
12.43 mi12:08:441:39:187:5925:42
8:16
#14019
Half
13.11 mi12:14:251:44:598:005:41
8:20
#14176
25K
15.53 mi12:35:142:05:488:0620:49
8:35
#14640
30K
18.64 mi13:04:062:34:408:1828:52
9:17
#15446
20M
20.00 mi13:18:272:49:018:2714:21
10:34
#16225
21M
21.00 mi13:29:012:59:358:3310:34
10:34
#16501
35K
21.75 mi13:36:163:06:508:357:15
9:41
#16710
23M
23.00 mi13:49:073:19:418:4112:51
10:16
#17058
24M
24.00 mi13:59:063:29:408:449:59
9:59
#17323
40K
24.85 mi14:07:243:37:588:468:18
9:42
#17420
25.2M
25.20 mi14:11:013:41:358:483:37
10:29
#17464
Finish
26.22 mi14:20:253:50:598:499:24
9:13
#17560
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi124459309930913907(Top 52%)9865(Top 65%)9865(Top 889%)
10K6.21 mi3.10 mi13386-9419694-3859694-38514323(Top 54%)10058(Top 66%)10058(Top 906%)
15K9.32 mi3.11 mi13544-1589747-539747-5313907(Top 52%)9865(Top 65%)9865(Top 889%)
20K12.43 mi3.11 mi14019-4759903-1569903-15615429(Top 58%)10430(Top 69%)10430(Top 940%)
Half13.11 mi0.68 mi14176-1579974-719974-7116643(Top 63%)10945(Top 72%)10945(Top 986%)
25K15.53 mi2.42 mi14640-46410130-15610130-15616726(Top 63%)10856(Top 72%)10856(Top 978%)
30K18.64 mi3.11 mi15446-80610387-25710387-25718575(Top 70%)11591(Top 76%)11591(Top 1044%)
20M20.00 mi1.36 mi16225-77910672-28510672-28521886(Top 82%)12946(Top 85%)12946(Top 1166%)
21M21.00 mi1.00 mi16501-27610772-10010772-10019773(Top 74%)11941(Top 79%)11941(Top 1076%)
35K21.75 mi0.75 mi16710-20910865-9310865-9320420(Top 77%)12211(Top 80%)12211(Top 1100%)
23M23.00 mi1.25 mi17058-34810983-11810983-11820733(Top 78%)12345(Top 81%)12345(Top 1112%)
24M24.00 mi1.00 mi17323-26511082-9911082-9920732(Top 78%)12305(Top 81%)12305(Top 1109%)
40K24.85 mi0.85 mi17420-9711107-2511107-2519026(Top 71%)11487(Top 76%)11487(Top 1035%)
25.2M25.20 mi0.35 mi17464-4411112-511112-519018(Top 71%)11474(Top 76%)11474(Top 1034%)
Finish26.22 mi1.02 mi17560-9611145-3311145-3319009(Top 71%)11546(Top 76%)11546(Top 1040%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13907

Males

9865

M60-64

9865

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14323

Males

10058

M60-64

10058

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13907

Males

9865

M60-64

9865

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15429

Males

10430

M60-64

10430

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16643

Males

10945

M60-64

10945

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16726

Males

10856

M60-64

10856

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18575

Males

11591

M60-64

11591

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21886

Males

12946

M60-64

12946

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19773

Males

11941

M60-64

11941

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20420

Males

12211

M60-64

12211

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20733

Males

12345

M60-64

12345

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20732

Males

12305

M60-64

12305

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

19026

Males

11487

M60-64

11487

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

19018

Males

11474

M60-64

11474

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

19009

Males

11546

M60-64

11546

Passing Analysis

Category:
Athletes Passed
549
Passed By
5664
Net Change
-5115
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12445
5K → 10K681009-941#12445#13386
10K → 15K140298-158#13386#13544
15K → 20K77552-475#13544#14019
20K → Half4161-157#14019#14176
Half → 25K52516-464#14176#14640
25K → 30K37843-806#14640#15446
30K → 20M8787-779#15446#16225
20M → 21M29305-276#16225#16501
21M → 35K13222-209#16501#16710
35K → 23M21369-348#16710#17058
23M → 24M14279-265#17058#17323
24M → 40K33130-97#17323#17420
40K → 25.2M1761-44#17420#17464
25.2M → Finish36132-96#17464#17560
TOTALS5495664-5115
📊

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