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BOSTON MARATHON 2023

Erich Kuster

Bib: 14251•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
7:44/mi
24:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
48:08
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:13:10
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:40:16
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:45:46
↑ 19↓ 370.5%
25K· 15.53 mi
8:29/mi
2:06:20
↑ 66↓ 880.2%
30K· 18.64 mi
9:09/mi
2:34:46
↑ 181↓ 1480.2%
20M
9:14/mi
2:47:19
↑ 64↓ 500.2%
21M
10:01/mi
2:57:20
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
3:04:04
↑ 17↓ 861.7%
23M
9:54/mi
3:16:28
↑ 23↓ 630.6%
24M
8:53/mi
3:25:21
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:33:04
↓ 200.3%
25.2M
10:09/mi
3:36:34
↑ 13↓ 160.2%
Finish· 26.22 mi
9:35/mi
3:46:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:46
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time2:00:34
Pace9:12 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2224:017:4424:01
7:44
-
10K
6.21 mi11:17:2948:087:4524:07
7:46
+0:02
15K
9.32 mi11:42:311:13:107:5125:02
8:03
+0:17
20K
12.43 mi12:09:371:40:168:0427:06
8:43
+0:40
Half
13.11 mi12:15:071:45:468:045:30
8:04
-0:39
25K
15.53 mi12:35:412:06:208:0820:34
8:29
+0:25
30K
18.64 mi13:04:072:34:468:1828:26
9:09
+0:40
20M
20.00 mi13:16:402:47:198:2212:33
9:14
+0:05
21M
21.00 mi13:26:412:57:208:2710:01
10:01
+0:47
35K
21.75 mi13:33:253:04:048:286:44
9:00
-1:01
23M
23.00 mi13:45:493:16:288:3312:24
9:54
+0:54
24M
24.00 mi13:54:423:25:218:338:53
8:53
-1:01
40K
24.85 mi14:02:253:33:048:347:43
9:02
+0:09
25.2M
25.20 mi14:05:553:36:348:363:30
10:09
+1:07
Finish
26.22 mi14:15:413:46:208:389:46
9:35
-0:34

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

7:44 /mi

Average Pace

8:38 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:14

44% of race

Time at Steady Pace

1:31:25

40% of race

Time at Slower Pace

35:41

16% of race

Average Pace: 8:38 /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 mi10:53:2224:017:4424:01
7:44
#11727
10K
6.21 mi11:17:2948:087:4524:07
7:46
#12232
15K
9.32 mi11:42:311:13:107:5125:02
8:03
#13135
20K
12.43 mi12:09:371:40:168:0427:06
8:43
#14639
Half
13.11 mi12:15:071:45:468:045:30
8:04
#14636
25K
15.53 mi12:35:412:06:208:0820:34
8:29
#14861
30K
18.64 mi13:04:072:34:468:1828:26
9:09
#15496
20M
20.00 mi13:16:402:47:198:2212:33
9:14
#15648
21M
21.00 mi13:26:412:57:208:2710:01
10:01
#15821
35K
21.75 mi13:33:253:04:048:286:44
9:00
#15890
23M
23.00 mi13:45:493:16:288:3312:24
9:54
#16206
24M
24.00 mi13:54:423:25:218:338:53
8:53
#16212
40K
24.85 mi14:02:253:33:048:347:43
9:02
#16214
25.2M
25.20 mi14:05:553:36:348:363:30
10:09
#16244
Finish
26.22 mi14:15:413:46:208:389:46
9:35
#16467
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi117279008900814860(Top 56%)10242(Top 67%)10242(Top 499%)
10K6.21 mi3.10 mi12232-5059225-2179225-21712785(Top 48%)9466(Top 62%)9466(Top 461%)
15K9.32 mi3.11 mi13135-9039577-3529577-35214860(Top 56%)10242(Top 67%)10242(Top 499%)
20K12.43 mi3.11 mi14639-150410168-59110168-59118241(Top 69%)11581(Top 76%)11581(Top 564%)
Half13.11 mi0.68 mi14636+310164+410164+414821(Top 56%)10238(Top 67%)10238(Top 499%)
25K15.53 mi2.42 mi14861-22510218-5410218-5416075(Top 60%)10567(Top 70%)10567(Top 515%)
30K18.64 mi3.11 mi15496-63510406-18810406-18817928(Top 67%)11297(Top 74%)11297(Top 551%)
20M20.00 mi1.36 mi15648-15210448-4210448-4217699(Top 66%)11098(Top 73%)11098(Top 541%)
21M21.00 mi1.00 mi15821-17310488-4010488-4018078(Top 68%)11249(Top 74%)11249(Top 548%)
35K21.75 mi0.75 mi15890-6910504-1610504-1617887(Top 67%)11088(Top 73%)11088(Top 540%)
23M23.00 mi1.25 mi16206-31610626-12210626-12219688(Top 74%)11873(Top 78%)11873(Top 579%)
24M24.00 mi1.00 mi16212-610608+1810608+1816669(Top 63%)10474(Top 69%)10474(Top 510%)
40K24.85 mi0.85 mi16214-210592+1610592+1616253(Top 61%)10234(Top 67%)10234(Top 499%)
25.2M25.20 mi0.35 mi16244-3010598-610598-617905(Top 67%)10964(Top 72%)10964(Top 534%)
Finish26.22 mi1.02 mi16467-22310679-8110679-8120396(Top 77%)12130(Top 80%)12130(Top 591%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14860

Males

10242

M50-54

10242

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12785

Males

9466

M50-54

9466

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14860

Males

10242

M50-54

10242

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18241

Males

11581

M50-54

11581

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14821

Males

10238

M50-54

10238

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

16075

Males

10567

M50-54

10567

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17928

Males

11297

M50-54

11297

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17699

Males

11098

M50-54

11098

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

18078

Males

11249

M50-54

11249

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17887

Males

11088

M50-54

11088

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19688

Males

11873

M50-54

11873

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16669

Males

10474

M50-54

10474

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16253

Males

10234

M50-54

10234

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17905

Males

10964

M50-54

10964

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20396

Males

12130

M50-54

12130

Passing Analysis

Category:
Athletes Passed
632
Passed By
5372
Net Change
-4740
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11727
5K → 10K127632-505#11727#12232
10K → 15K26929-903#12232#13135
15K → 20K181522-1504#13135#14639
20K → Half3330+3#14639#14636
Half → 25K87312-225#14636#14861
25K → 30K45680-635#14861#15496
30K → 20M47199-152#15496#15648
20M → 21M37210-173#15648#15821
21M → 35K35104-69#15821#15890
35K → 23M16332-316#15890#16206
23M → 24M6369-6#16206#16212
24M → 40K6466-2#16212#16214
40K → 25.2M1949-30#16214#16244
25.2M → Finish15238-223#16244#16467
TOTALS6325372-4740
📊

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