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BOSTON MARATHON 2023

Alexander Knoedler

Bib: 635•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 5%
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
5:52/mi
18:15
↑ 97↓ 3451.5%
10K· 6.21 mi
5:56/mi
36:42
↑ 79↓ 1380.4%
15K· 9.32 mi
5:58/mi
55:15
↑ 67↓ 78
20K· 12.43 mi
6:03/mi
1:14:04
↑ 106↓ 860.1%
Half· 13.11 mi
5:53/mi
1:18:05
↑ 19↓ 370.5%
25K· 15.53 mi
5:55/mi
1:32:25
↑ 66↓ 880.2%
30K· 18.64 mi
5:57/mi
1:50:53
↑ 181↓ 1480.2%
20M
5:55/mi
1:58:56
↑ 64↓ 500.2%
21M
6:12/mi
2:05:08
↑ 106↓ 241.6%
35K· 21.75 mi
5:46/mi
2:09:27
↑ 17↓ 861.7%
23M
5:55/mi
2:16:52
↑ 23↓ 630.6%
24M
5:45/mi
2:22:37
↓ 821.3%
40K· 24.85 mi
5:49/mi
2:27:35
↓ 200.3%
25.2M
6:05/mi
2:29:41
↑ 13↓ 160.2%
Finish· 26.22 mi
5:33/mi
2:35:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:18:05
Pace5:57 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:17:15
Pace5:54 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2818:155:5218:15
5:52
-
10K
6.21 mi10:36:5536:425:5418:27
5:56
+0:04
15K
9.32 mi10:55:2855:155:5618:33
5:58
+0:02
20K
12.43 mi11:14:171:14:045:5818:49
6:03
+0:05
Half
13.11 mi11:18:181:18:055:574:01
5:53
-0:10
25K
15.53 mi11:32:381:32:255:5714:20
5:55
+0:02
30K
18.64 mi11:51:061:50:535:5718:28
5:57
+0:02
20M
20.00 mi11:59:091:58:565:578:03
5:55
-0:02
21M
21.00 mi12:05:212:05:085:586:12
6:12
+0:17
35K
21.75 mi12:09:402:09:275:574:19
5:46
-0:26
23M
23.00 mi12:17:052:16:525:577:25
5:55
+0:09
24M
24.00 mi12:22:502:22:375:575:45
5:45
-0:10
40K
24.85 mi12:27:482:27:355:564:58
5:49
+0:04
25.2M
25.20 mi12:29:542:29:415:562:06
6:05
+0:16
Finish
26.22 mi12:35:332:35:205:565:39
5:33
-0:32

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

5:33 /mi

Average Pace

5:56 /mi

Slowest Pace

6:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:08

96% of race

Time at Steady Pace

6:12

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:55 /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 mi10:18:2818:155:5218:15
5:52
#494
10K
6.21 mi10:36:5536:425:5418:27
5:56
#564
15K
9.32 mi10:55:2855:155:5618:33
5:58
#582
20K
12.43 mi11:14:171:14:045:5818:49
6:03
#597
Half
13.11 mi11:18:181:18:055:574:01
5:53
#586
25K
15.53 mi11:32:381:32:255:5714:20
5:55
#544
30K
18.64 mi11:51:061:50:535:5718:28
5:57
#495
20M
20.00 mi11:59:091:58:565:578:03
5:55
#471
21M
21.00 mi12:05:212:05:085:586:12
6:12
#452
35K
21.75 mi12:09:402:09:275:574:19
5:46
#446
23M
23.00 mi12:17:052:16:525:577:25
5:55
#429
24M
24.00 mi12:22:502:22:375:575:45
5:45
#404
40K
24.85 mi12:27:482:27:355:564:58
5:49
#379
25.2M
25.20 mi12:29:542:29:415:562:06
6:05
#372
Finish
26.22 mi12:35:332:35:205:565:39
5:33
#341
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi494457457639(Top 2%)596(Top 4%)596(Top 11%)
10K6.21 mi3.10 mi564-70522-65522-65660(Top 2%)616(Top 4%)616(Top 12%)
15K9.32 mi3.11 mi582-18539-17539-17639(Top 2%)596(Top 4%)596(Top 11%)
20K12.43 mi3.11 mi597-15554-15554-15664(Top 2%)622(Top 4%)622(Top 12%)
Half13.11 mi0.68 mi586+11544+10544+10503(Top 2%)465(Top 3%)465(Top 9%)
25K15.53 mi2.42 mi544+42504+40504+40400(Top 2%)370(Top 2%)370(Top 7%)
30K18.64 mi3.11 mi495+49457+47457+47314(Top 1%)288(Top 2%)288(Top 5%)
20M20.00 mi1.36 mi471+24436+21436+21273(Top 1%)249(Top 2%)249(Top 5%)
21M21.00 mi1.00 mi452+19417+19417+19238(Top 0.9%)214(Top 1%)214(Top 4%)
35K21.75 mi0.75 mi446+6411+6411+6308(Top 1%)282(Top 2%)282(Top 5%)
23M23.00 mi1.25 mi429+17394+17394+17237(Top 0.9%)213(Top 1%)213(Top 4%)
24M24.00 mi1.00 mi404+25370+24370+24208(Top 0.8%)185(Top 1%)185(Top 4%)
40K24.85 mi0.85 mi379+25347+23347+23158(Top 0.6%)143(Top 0.9%)143(Top 3%)
25.2M25.20 mi0.35 mi372+7340+7340+7109(Top 0.4%)95(Top 0.6%)95(Top 2%)
Finish26.22 mi1.02 mi341+31310+30310+30116(Top 0.4%)103(Top 0.7%)103(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

639

Males

596

M18-39

596

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

660

Males

616

M18-39

616

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

639

Males

596

M18-39

596

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

664

Males

622

M18-39

622

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

503

Males

465

M18-39

465

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

400

Males

370

M18-39

370

25K→30K

15.5 - 18.6 mi

Top 1%
×9story building
+181ft-148ft

Overall

314

Males

288

M18-39

288

30K→20M

18.6 - 20.0 mi

Top 1%
×5story building
+64ft-50ft

Overall

273

Males

249

M18-39

249

20M→21M

20.0 - 21.0 mi

Top 0.9%
×8story building
+106ft-24ft

Overall

238

Males

214

M18-39

214

21M→35K

21.0 - 21.8 mi

Top 1%
×7story building
+17ft-86ft

Overall

308

Males

282

M18-39

282

35K→23M

21.8 - 23.0 mi

Top 0.9%
×5story building
+23ft-63ft

Overall

237

Males

213

M18-39

213

23M→24M

23.0 - 24.0 mi

Top 0.8%
×6story building
+12ft-82ft

Overall

208

Males

185

M18-39

185

24M→40K

24.0 - 24.9 mi

Top 0.6%
×1story
+6ft-20ft

Overall

158

Males

143

M18-39

143

40K→25.2M

24.9 - 25.2 mi

Top 0.4%
×1story
+13ft-16ft

Overall

109

Males

95

M18-39

95

25.2M→Finish

25.2 - 26.2 mi

Top 0.4%
×2story building
+22ft-21ft

Overall

116

Males

103

M18-39

103

Passing Analysis

Category:
Athletes Passed
289
Passed By
136
Net Change
+153
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#494
5K → 10K777-70#494#564
10K → 15K1533-18#564#582
15K → 20K823-15#582#597
20K → Half110+11#597#586
Half → 25K420+42#586#544
25K → 30K490+49#544#495
30K → 20M251+24#495#471
20M → 21M190+19#471#452
21M → 35K60+6#452#446
35K → 23M170+17#446#429
23M → 24M250+25#429#404
24M → 40K250+25#404#379
40K → 25.2M70+7#379#372
25.2M → Finish332+31#372#341
TOTALS289136+153
📊

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