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BOSTON MARATHON 2023

Alex Roederer

Bib: 2248•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 11%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:57
Rank: #891
Start → 5K
18:57 | 6:06/mi
10K· 6.21 mi
37:55
Rank: #975 (-84)
5K → 10K
18:58 | 6:06/mi
15K· 9.32 mi
57:00
Rank: #1000 (-25)
10K → 15K
19:05 | 6:09/mi
20K· 12.43 mi
1:16:10
Rank: #986 (+14)
15K → 20K
19:10 | 6:10/mi
Half· 13.11 mi
1:20:21
Rank: #990 (-4)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:35:06
Rank: #928 (+62)
Half → 25K
14:45 | 6:05/mi
30K· 18.64 mi
1:54:10
Rank: #833 (+95)
25K → 30K
19:04 | 6:08/mi
20M
2:02:26
Rank: #798 (+35)
30K → 20M
8:16 | 6:05/mi
21M
2:08:56
Rank: #780 (+18)
20M → 21M
6:30 | 6:30/mi
35K· 21.75 mi
2:13:22
Rank: #766 (+14)
21M → 35K
4:26 | 5:56/mi
23M
2:21:14
Rank: #760 (+6)
35K → 23M
7:52 | 6:17/mi
24M
2:27:27
Rank: #754 (+6)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:32:59
Rank: #748 (+6)
24M → 40K
5:32 | 6:28/mi
25.2M
2:35:22
Rank: #747 (+1)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:41:40
Rank: #740 (+7)
25.2M → Finish
6:18 | 6:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:21
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:21:19
Pace6:12 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3218:576:0618:57
6:06
-
10K
6.21 mi10:38:3037:556:0618:58
6:06
0:00
15K
9.32 mi10:57:3557:006:0719:05
6:09
+0:03
20K
12.43 mi11:16:451:16:106:0819:10
6:10
+0:01
Half
13.11 mi11:20:561:20:216:084:11
6:08
-0:02
25K
15.53 mi11:35:411:35:066:0714:45
6:05
-0:03
30K
18.64 mi11:54:451:54:106:0719:04
6:08
+0:03
20M
20.00 mi12:03:012:02:266:078:16
6:05
-0:03
21M
21.00 mi12:09:312:08:566:086:30
6:30
+0:25
35K
21.75 mi12:13:572:13:226:084:26
5:56
-0:34
23M
23.00 mi12:21:492:21:146:087:52
6:17
+0:21
24M
24.00 mi12:28:022:27:276:096:13
6:13
-0:04
40K
24.85 mi12:33:342:32:596:095:32
6:28
+0:15
25.2M
25.20 mi12:35:572:35:226:102:23
6:55
+0:27
Finish
26.22 mi12:42:152:41:406:106:18
6:11
-0:44

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

5:56 /mi

Average Pace

6:10 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:17

99% of race

Time at Steady Pace

2:23

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:10 /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 mi10:19:3218:576:0618:57
6:06
#891
10K
6.21 mi10:38:3037:556:0618:58
6:06
#975
15K
9.32 mi10:57:3557:006:0719:05
6:09
#1000
20K
12.43 mi11:16:451:16:106:0819:10
6:10
#986
Half
13.11 mi11:20:561:20:216:084:11
6:08
#990
25K
15.53 mi11:35:411:35:066:0714:45
6:05
#928
30K
18.64 mi11:54:451:54:106:0719:04
6:08
#833
20M
20.00 mi12:03:012:02:266:078:16
6:05
#798
21M
21.00 mi12:09:312:08:566:086:30
6:30
#780
35K
21.75 mi12:13:572:13:226:084:26
5:56
#766
23M
23.00 mi12:21:492:21:146:087:52
6:17
#760
24M
24.00 mi12:28:022:27:276:096:13
6:13
#754
40K
24.85 mi12:33:342:32:596:095:32
6:28
#748
25.2M
25.20 mi12:35:572:35:226:102:23
6:55
#747
Finish
26.22 mi12:42:152:41:406:106:18
6:11
#740
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8918378371071(Top 4%)1018(Top 7%)1018(Top 19%)
10K6.21 mi3.10 mi975-84921-84921-841064(Top 4%)1009(Top 7%)1009(Top 19%)
15K9.32 mi3.11 mi1000-25948-27948-271071(Top 4%)1018(Top 7%)1018(Top 19%)
20K12.43 mi3.11 mi986+14936+12936+12961(Top 4%)913(Top 6%)913(Top 17%)
Half13.11 mi0.68 mi990-4940-4940-41092(Top 4%)1041(Top 7%)1041(Top 20%)
25K15.53 mi2.42 mi928+62880+60880+60708(Top 3%)667(Top 4%)667(Top 13%)
30K18.64 mi3.11 mi833+95789+91789+91566(Top 2%)531(Top 3%)531(Top 10%)
20M20.00 mi1.36 mi798+35756+33756+33464(Top 2%)430(Top 3%)430(Top 8%)
21M21.00 mi1.00 mi780+18737+19737+19650(Top 2%)612(Top 4%)612(Top 12%)
35K21.75 mi0.75 mi766+14723+14723+14566(Top 2%)528(Top 3%)528(Top 10%)
23M23.00 mi1.25 mi760+6717+6717+6789(Top 3%)748(Top 5%)748(Top 14%)
24M24.00 mi1.00 mi754+6711+6711+61061(Top 4%)1003(Top 7%)1003(Top 19%)
40K24.85 mi0.85 mi748+6706+5706+51424(Top 5%)1343(Top 9%)1343(Top 25%)
25.2M25.20 mi0.35 mi747+1705+1705+11414(Top 5%)1331(Top 9%)1331(Top 25%)
Finish26.22 mi1.02 mi740+7698+7698+71200(Top 5%)1141(Top 8%)1141(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1071

Males

1018

M18-39

1018

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1064

Males

1009

M18-39

1009

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1071

Males

1018

M18-39

1018

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

961

Males

913

M18-39

913

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1092

Males

1041

M18-39

1041

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

708

Males

667

M18-39

667

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

566

Males

531

M18-39

531

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

464

Males

430

M18-39

430

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

650

Males

612

M18-39

612

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

566

Males

528

M18-39

528

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

789

Males

748

M18-39

748

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1061

Males

1003

M18-39

1003

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1424

Males

1343

M18-39

1343

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1414

Males

1331

M18-39

1331

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1200

Males

1141

M18-39

1141

Passing Analysis

Category:
Athletes Passed
368
Passed By
217
Net Change
+151
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#891
5K → 10K19103-84#891#975
10K → 15K1742-25#975#1000
15K → 20K3218+14#1000#986
20K → Half37-4#986#990
Half → 25K631+62#990#928
25K → 30K961+95#928#833
30K → 20M383+35#833#798
20M → 21M224+18#798#780
21M → 35K173+14#780#766
35K → 23M148+6#766#760
23M → 24M137+6#760#754
24M → 40K137+6#754#748
40K → 25.2M32+1#748#747
25.2M → Finish1811+7#747#740
TOTALS368217+151
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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