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BOSTON MARATHON 2023

Charles King

Bib: 26223•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
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
10:14/mi
31:49
↑ 97↓ 3451.5%
10K· 6.21 mi
10:11/mi
1:03:26
↑ 79↓ 1380.4%
15K· 9.32 mi
9:56/mi
1:34:17
↑ 67↓ 78
20K· 12.43 mi
9:57/mi
2:05:12
↑ 106↓ 860.1%
Half· 13.11 mi
10:23/mi
2:12:17
↑ 19↓ 370.5%
25K· 15.53 mi
10:30/mi
2:37:44
↑ 66↓ 880.2%
30K· 18.64 mi
11:07/mi
3:12:15
↑ 181↓ 1480.2%
20M
11:16/mi
3:27:34
↑ 64↓ 500.2%
21M
11:56/mi
3:39:30
↑ 106↓ 241.6%
35K· 21.75 mi
11:20/mi
3:47:59
↑ 17↓ 861.7%
23M
11:59/mi
4:02:59
↑ 23↓ 630.6%
24M
11:17/mi
4:14:16
↓ 821.3%
40K· 24.85 mi
11:42/mi
4:24:16
↓ 200.3%
25.2M
12:40/mi
4:28:38
↑ 13↓ 160.2%
Finish· 26.22 mi
10:55/mi
4:39:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:17
Pace10:05 /mi
2nd Half
Distance13.11 mi
Time2:27:28
Pace11:15 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0831:4910:1431:49
10:14
-
10K
6.21 mi12:26:451:03:2610:1331:37
10:11
-0:03
15K
9.32 mi12:57:361:34:1710:0730:51
9:56
-0:15
20K
12.43 mi13:28:312:05:1210:0430:55
9:57
+0:01
Half
13.11 mi13:35:362:12:1710:057:05
10:23
+0:26
25K
15.53 mi14:01:032:37:4410:0925:27
10:30
+0:07
30K
18.64 mi14:35:343:12:1510:1934:31
11:07
+0:37
20M
20.00 mi14:50:533:27:3410:2315:19
11:16
+0:09
21M
21.00 mi15:02:493:39:3010:2711:56
11:56
+0:40
35K
21.75 mi15:11:183:47:5910:298:29
11:20
-0:36
23M
23.00 mi15:26:184:02:5910:3415:00
11:59
+0:39
24M
24.00 mi15:37:354:14:1610:3611:17
11:17
-0:42
40K
24.85 mi15:47:354:24:1610:3810:00
11:42
+0:25
25.2M
25.20 mi15:51:574:28:3810:404:22
12:40
+0:58
Finish
26.22 mi16:03:044:39:4510:4111:07
10:55
-1:45

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

9:56 /mi

Average Pace

10:41 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:44

56% of race

Time at Steady Pace

1:20:43

29% of race

Time at Slower Pace

41:18

15% of race

Average Pace: 10:40 /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 mi11:55:0831:4910:1431:49
10:14
#24048
10K
6.21 mi12:26:451:03:2610:1331:37
10:11
#24077
15K
9.32 mi12:57:361:34:1710:0730:51
9:56
#23828
20K
12.43 mi13:28:312:05:1210:0430:55
9:57
#23583
Half
13.11 mi13:35:362:12:1710:057:05
10:23
#23613
25K
15.53 mi14:01:032:37:4410:0925:27
10:30
#23513
30K
18.64 mi14:35:343:12:1510:1934:31
11:07
#23467
20M
20.00 mi14:50:533:27:3410:2315:19
11:16
#23435
21M
21.00 mi15:02:493:39:3010:2711:56
11:56
#23398
35K
21.75 mi15:11:183:47:5910:298:29
11:20
#23427
23M
23.00 mi15:26:184:02:5910:3415:00
11:59
#23474
24M
24.00 mi15:37:354:14:1610:3611:17
11:17
#23491
40K
24.85 mi15:47:354:24:1610:3810:00
11:42
#23494
25.2M
25.20 mi15:51:574:28:3810:404:22
12:40
#23493
Finish
26.22 mi16:03:044:39:4510:4111:07
10:55
#23517
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24048141101411023372(Top 88%)13821(Top 91%)13821(Top 262%)
10K6.21 mi3.10 mi24077-2914118-814118-824074(Top 90%)14123(Top 93%)14123(Top 267%)
15K9.32 mi3.11 mi23828+24914008+11014008+11023372(Top 88%)13821(Top 91%)13821(Top 262%)
20K12.43 mi3.11 mi23583+24513910+9813910+9822788(Top 86%)13527(Top 89%)13527(Top 256%)
Half13.11 mi0.68 mi23613-3013919-913919-923978(Top 90%)14050(Top 93%)14050(Top 266%)
25K15.53 mi2.42 mi23513+10013864+5513864+5523195(Top 87%)13685(Top 90%)13685(Top 259%)
30K18.64 mi3.11 mi23467+4613820+4413820+4423252(Top 87%)13632(Top 90%)13632(Top 258%)
20M20.00 mi1.36 mi23435+3213788+3213788+3223133(Top 87%)13525(Top 89%)13525(Top 256%)
21M21.00 mi1.00 mi23398+3713769+1913769+1922648(Top 85%)13271(Top 87%)13271(Top 251%)
35K21.75 mi0.75 mi23427-2913775-613775-623864(Top 90%)13779(Top 91%)13779(Top 261%)
23M23.00 mi1.25 mi23474-4713785-1013785-1023964(Top 90%)13840(Top 91%)13840(Top 262%)
24M24.00 mi1.00 mi23491-1713789-413789-423556(Top 88%)13612(Top 90%)13612(Top 258%)
40K24.85 mi0.85 mi23494-313780+913780+923497(Top 88%)13540(Top 89%)13540(Top 256%)
25.2M25.20 mi0.35 mi23493+113774+613774+623513(Top 88%)13556(Top 89%)13556(Top 256%)
Finish26.22 mi1.02 mi23517-2413780-613780-623799(Top 89%)13720(Top 90%)13720(Top 260%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23372

Males

13821

M18-39

13821

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

24074

Males

14123

M18-39

14123

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23372

Males

13821

M18-39

13821

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22788

Males

13527

M18-39

13527

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23978

Males

14050

M18-39

14050

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23195

Males

13685

M18-39

13685

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23252

Males

13632

M18-39

13632

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23133

Males

13525

M18-39

13525

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

22648

Males

13271

M18-39

13271

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23864

Males

13779

M18-39

13779

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23964

Males

13840

M18-39

13840

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23556

Males

13612

M18-39

13612

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23497

Males

13540

M18-39

13540

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23513

Males

13556

M18-39

13556

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23799

Males

13720

M18-39

13720

Passing Analysis

Category:
Athletes Passed
1288
Passed By
757
Net Change
+531
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24048
5K → 10K188217-29#24048#24077
10K → 15K27627+249#24077#23828
15K → 20K26924+245#23828#23583
20K → Half1343-30#23583#23613
Half → 25K14444+100#23613#23513
25K → 30K12175+46#23513#23467
30K → 20M7139+32#23467#23435
20M → 21M6225+37#23435#23398
21M → 35K1544-29#23398#23427
35K → 23M3582-47#23427#23474
23M → 24M2037-17#23474#23491
24M → 40K3538-3#23491#23494
40K → 25.2M1716+1#23494#23493
25.2M → Finish2246-24#23493#23517
TOTALS1288757+531
📊

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