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BOSTON MARATHON 2023

Charles Clowes

Bib: 31090•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:18/mi
25:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
50:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:15:16
↑ 67↓ 78
20K· 12.43 mi
7:43/mi
1:39:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:44:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
2:03:17
↑ 66↓ 880.2%
30K· 18.64 mi
7:58/mi
2:28:03
↑ 181↓ 1480.2%
20M
7:58/mi
2:38:52
↑ 64↓ 500.2%
21M
8:29/mi
2:47:21
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:53:03
↑ 17↓ 861.7%
23M
7:50/mi
3:02:51
↑ 23↓ 630.6%
24M
7:52/mi
3:10:43
↓ 821.3%
40K· 24.85 mi
8:16/mi
3:17:47
↓ 200.3%
25.2M
8:30/mi
3:20:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:28:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:44:23
Pace7:58 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:12
Pace7:57 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4125:468:1825:46
8:18
-
10K
6.21 mi12:14:2050:258:0724:39
7:56
-0:22
15K
9.32 mi12:39:111:15:168:0524:51
8:00
+0:04
20K
12.43 mi13:03:111:39:167:5924:00
7:43
-0:17
Half
13.11 mi13:08:181:44:237:585:07
7:30
-0:13
25K
15.53 mi13:27:122:03:177:5618:54
7:48
+0:18
30K
18.64 mi13:51:582:28:037:5724:46
7:58
+0:10
20M
20.00 mi14:02:472:38:527:5710:49
7:58
0:00
21M
21.00 mi14:11:162:47:217:588:29
8:29
+0:31
35K
21.75 mi14:16:582:53:037:575:42
7:37
-0:52
23M
23.00 mi14:26:463:02:517:579:48
7:50
+0:13
24M
24.00 mi14:34:383:10:437:577:52
7:52
+0:02
40K
24.85 mi14:41:423:17:477:577:04
8:16
+0:24
25.2M
25.20 mi14:44:383:20:437:582:56
8:30
+0:14
Finish
26.22 mi14:52:303:28:357:587:52
7:43
-0:47

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

7:30 /mi

Average Pace

7:58 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:20

79% of race

Time at Steady Pace

44:15

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:49:4125:468:1825:46
8:18
#16119
10K
6.21 mi12:14:2050:258:0724:39
7:56
#15221
15K
9.32 mi12:39:111:15:168:0524:51
8:00
#14954
20K
12.43 mi13:03:111:39:167:5924:00
7:43
#14011
Half
13.11 mi13:08:181:44:237:585:07
7:30
#13811
25K
15.53 mi13:27:122:03:177:5618:54
7:48
#13353
30K
18.64 mi13:51:582:28:037:5724:46
7:58
#12837
20M
20.00 mi14:02:472:38:527:5710:49
7:58
#12582
21M
21.00 mi14:11:162:47:217:588:29
8:29
#12400
35K
21.75 mi14:16:582:53:037:575:42
7:37
#12290
23M
23.00 mi14:26:463:02:517:579:48
7:50
#12053
24M
24.00 mi14:34:383:10:437:577:52
7:52
#11966
40K
24.85 mi14:41:423:17:477:577:04
8:16
#11954
25.2M
25.20 mi14:44:383:20:437:582:56
8:30
#11901
Finish
26.22 mi14:52:303:28:357:587:52
7:43
#11817
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16119107371073714394(Top 54%)10053(Top 66%)10053(Top 190%)
10K6.21 mi3.10 mi15221+89810418+31910418+31914306(Top 54%)10042(Top 66%)10042(Top 190%)
15K9.32 mi3.11 mi14954+26710300+11810300+11814394(Top 54%)10053(Top 66%)10053(Top 190%)
20K12.43 mi3.11 mi14011+9439898+4029898+40211126(Top 42%)8635(Top 57%)8635(Top 163%)
Half13.11 mi0.68 mi13811+2009824+749824+7410342(Top 39%)8254(Top 54%)8254(Top 156%)
25K15.53 mi2.42 mi13353+4589619+2059619+20511081(Top 42%)8537(Top 56%)8537(Top 162%)
30K18.64 mi3.11 mi12837+5169364+2559364+25510677(Top 40%)8179(Top 54%)8179(Top 155%)
20M20.00 mi1.36 mi12582+2559242+1229242+12210022(Top 38%)7759(Top 51%)7759(Top 147%)
21M21.00 mi1.00 mi12400+1829151+919151+9110438(Top 39%)7815(Top 51%)7815(Top 148%)
35K21.75 mi0.75 mi12290+1109084+679084+679481(Top 36%)7318(Top 48%)7318(Top 138%)
23M23.00 mi1.25 mi12053+2378949+1358949+1358640(Top 32%)6767(Top 45%)6767(Top 128%)
24M24.00 mi1.00 mi11966+878888+618888+6110346(Top 39%)7557(Top 50%)7557(Top 143%)
40K24.85 mi0.85 mi11954+128863+258863+2511857(Top 45%)8240(Top 54%)8240(Top 156%)
25.2M25.20 mi0.35 mi11901+538837+268837+269720(Top 37%)7111(Top 47%)7111(Top 135%)
Finish26.22 mi1.02 mi11817+848780+578780+5710158(Top 38%)7360(Top 48%)7360(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14394

Males

10053

M18-39

10053

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14306

Males

10042

M18-39

10042

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14394

Males

10053

M18-39

10053

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11126

Males

8635

M18-39

8635

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10342

Males

8254

M18-39

8254

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11081

Males

8537

M18-39

8537

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10677

Males

8179

M18-39

8179

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10022

Males

7759

M18-39

7759

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10438

Males

7815

M18-39

7815

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9481

Males

7318

M18-39

7318

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8640

Males

6767

M18-39

6767

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10346

Males

7557

M18-39

7557

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11857

Males

8240

M18-39

8240

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9720

Males

7111

M18-39

7111

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10158

Males

7360

M18-39

7360

Passing Analysis

Category:
Athletes Passed
4642
Passed By
340
Net Change
+4302
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16119
5K → 10K96365+898#16119#15221
10K → 15K34275+267#15221#14954
15K → 20K9463+943#14954#14011
20K → Half2000+200#14011#13811
Half → 25K4635+458#13811#13353
25K → 30K53721+516#13353#12837
30K → 20M26712+255#12837#12582
20M → 21M19311+182#12582#12400
21M → 35K1155+110#12400#12290
35K → 23M24811+237#12290#12053
23M → 24M11225+87#12053#11966
24M → 40K7563+12#11966#11954
40K → 25.2M6310+53#11954#11901
25.2M → Finish11834+84#11901#11817
TOTALS4642340+4302
📊

Passing Visuals

Category:
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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