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BOSTON MARATHON 2023

Benson Guo

Bib: 3438•M

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0:00
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Division (M18-39)
#0 / 5285
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:43
Rank: #3363
Start → 5K
20:43 | 6:40/mi
10K· 6.21 mi
40:46
Rank: #2861 (+502)
5K → 10K
20:03 | 6:27/mi
15K· 9.32 mi
1:00:40
Rank: #2580 (+281)
10K → 15K
19:54 | 6:24/mi
20K· 12.43 mi
1:20:40
Rank: #2398 (+182)
15K → 20K
20:00 | 6:26/mi
Half· 13.11 mi
1:25:00
Rank: #2382 (+16)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:40:35
Rank: #2282 (+100)
Half → 25K
15:35 | 6:26/mi
30K· 18.64 mi
2:01:06
Rank: #2217 (+65)
25K → 30K
20:31 | 6:36/mi
20M
2:10:07
Rank: #2174 (+43)
30K → 20M
9:01 | 6:38/mi
21M
2:17:04
Rank: #2139 (+35)
20M → 21M
6:57 | 6:57/mi
35K· 21.75 mi
2:21:49
Rank: #2119 (+20)
21M → 35K
4:45 | 6:21/mi
23M
2:30:13
Rank: #2083 (+36)
35K → 23M
8:24 | 6:43/mi
24M
2:36:45
Rank: #2078 (+5)
23M → 24M
6:32 | 6:32/mi
40K· 24.85 mi
2:42:37
Rank: #2095 (-17)
24M → 40K
5:52 | 6:52/mi
25.2M
2:45:09
Rank: #2093 (+2)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:51:48
Rank: #2073 (+20)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:00
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:26:48
Pace6:37 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2920:436:4020:43
6:40
-
10K
6.21 mi10:42:3240:466:3420:03
6:27
-0:13
15K
9.32 mi11:02:261:00:406:3119:54
6:24
-0:03
20K
12.43 mi11:22:261:20:406:2920:00
6:26
+0:02
Half
13.11 mi11:26:461:25:006:294:20
6:21
-0:05
25K
15.53 mi11:42:211:40:356:2815:35
6:26
+0:05
30K
18.64 mi12:02:522:01:066:3020:31
6:36
+0:10
20M
20.00 mi12:11:532:10:076:309:01
6:38
+0:02
21M
21.00 mi12:18:502:17:046:326:57
6:57
+0:19
35K
21.75 mi12:23:352:21:496:314:45
6:21
-0:36
23M
23.00 mi12:31:592:30:136:328:24
6:43
+0:22
24M
24.00 mi12:38:312:36:456:326:32
6:32
-0:11
40K
24.85 mi12:44:232:42:376:335:52
6:52
+0:20
25.2M
25.20 mi12:46:552:45:096:332:32
7:21
+0:29
Finish
26.22 mi12:53:342:51:486:336:39
6:32
-0:49

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

6:21 /mi

Average Pace

6:33 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:16

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:33 /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 mi10:22:2920:436:4020:43
6:40
#3363
10K
6.21 mi10:42:3240:466:3420:03
6:27
#2861
15K
9.32 mi11:02:261:00:406:3119:54
6:24
#2580
20K
12.43 mi11:22:261:20:406:2920:00
6:26
#2398
Half
13.11 mi11:26:461:25:006:294:20
6:21
#2382
25K
15.53 mi11:42:211:40:356:2815:35
6:26
#2282
30K
18.64 mi12:02:522:01:066:3020:31
6:36
#2217
20M
20.00 mi12:11:532:10:076:309:01
6:38
#2174
21M
21.00 mi12:18:502:17:046:326:57
6:57
#2139
35K
21.75 mi12:23:352:21:496:314:45
6:21
#2119
23M
23.00 mi12:31:592:30:136:328:24
6:43
#2083
24M
24.00 mi12:38:312:36:456:326:32
6:32
#2078
40K
24.85 mi12:44:232:42:376:335:52
6:52
#2095
25.2M
25.20 mi12:46:552:45:096:332:32
7:21
#2093
Finish
26.22 mi12:53:342:51:486:336:39
6:32
#2073
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3363317031702132(Top 8%)2045(Top 13%)2045(Top 39%)
10K6.21 mi3.10 mi2861+5022727+4432727+4432503(Top 9%)2392(Top 16%)2392(Top 45%)
15K9.32 mi3.11 mi2580+2812465+2622465+2622132(Top 8%)2045(Top 13%)2045(Top 39%)
20K12.43 mi3.11 mi2398+1822297+1682297+1681980(Top 7%)1901(Top 13%)1901(Top 36%)
Half13.11 mi0.68 mi2382+162283+142283+142005(Top 8%)1928(Top 13%)1928(Top 36%)
25K15.53 mi2.42 mi2282+1002188+952188+951848(Top 7%)1771(Top 12%)1771(Top 34%)
30K18.64 mi3.11 mi2217+652127+612127+611967(Top 7%)1880(Top 12%)1880(Top 36%)
20M20.00 mi1.36 mi2174+432084+432084+432011(Top 8%)1916(Top 13%)1916(Top 36%)
21M21.00 mi1.00 mi2139+352049+352049+351933(Top 7%)1833(Top 12%)1833(Top 35%)
35K21.75 mi0.75 mi2119+202032+172032+171759(Top 7%)1672(Top 11%)1672(Top 32%)
23M23.00 mi1.25 mi2083+361997+351997+352205(Top 8%)2078(Top 14%)2078(Top 39%)
24M24.00 mi1.00 mi2078+51993+41993+42223(Top 8%)2081(Top 14%)2081(Top 39%)
40K24.85 mi0.85 mi2095-172009-162009-163082(Top 12%)2826(Top 19%)2826(Top 53%)
25.2M25.20 mi0.35 mi2093+22007+22007+23088(Top 12%)2811(Top 19%)2811(Top 53%)
Finish26.22 mi1.02 mi2073+201987+201987+202592(Top 10%)2378(Top 16%)2378(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2132

Males

2045

M18-39

2045

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2503

Males

2392

M18-39

2392

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2132

Males

2045

M18-39

2045

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1980

Males

1901

M18-39

1901

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2005

Males

1928

M18-39

1928

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1848

Males

1771

M18-39

1771

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1967

Males

1880

M18-39

1880

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2011

Males

1916

M18-39

1916

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1933

Males

1833

M18-39

1833

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1759

Males

1672

M18-39

1672

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2205

Males

2078

M18-39

2078

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2223

Males

2081

M18-39

2081

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3082

Males

2826

M18-39

2826

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3088

Males

2811

M18-39

2811

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2592

Males

2378

M18-39

2378

Passing Analysis

Category:
Athletes Passed
1539
Passed By
249
Net Change
+1290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3363
5K → 10K52422+502#3363#2861
10K → 15K2909+281#2861#2580
15K → 20K1842+182#2580#2398
20K → Half248+16#2398#2382
Half → 25K11313+100#2382#2282
25K → 30K10035+65#2282#2217
30K → 20M5310+43#2217#2174
20M → 21M5520+35#2174#2139
21M → 35K266+20#2139#2119
35K → 23M6024+36#2119#2083
23M → 24M2823+5#2083#2078
24M → 40K2138-17#2078#2095
40K → 25.2M1412+2#2095#2093
25.2M → Finish4727+20#2093#2073
TOTALS1539249+1290
📊

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