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BOSTON MARATHON 2023

Michael Rosenthal

Bib: 27289•M

CO

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

Start
0:00:00
Race begins
5K· 3.11 mi
26:57
Rank: #18702
Start → 5K
26:57 | 8:40/mi
10K· 6.21 mi
52:14
Rank: #17242 (+1460)
5K → 10K
25:17 | 8:08/mi
15K· 9.32 mi
1:16:14
Rank: #15656 (+1586)
10K → 15K
24:00 | 7:43/mi
20K· 12.43 mi
1:40:50
Rank: #14969 (+687)
15K → 20K
24:36 | 7:55/mi
Half· 13.11 mi
1:46:14
Rank: #14905 (+64)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:05:57
Rank: #14696 (+209)
Half → 25K
19:43 | 8:08/mi
30K· 18.64 mi
2:32:18
Rank: #14591 (+105)
25K → 30K
26:21 | 8:29/mi
20M
2:43:56
Rank: #14528 (+63)
30K → 20M
11:38 | 8:34/mi
21M
2:52:55
Rank: #14443 (+85)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
2:59:15
Rank: #14470 (-27)
21M → 35K
6:20 | 8:28/mi
23M
3:09:49
Rank: #14345 (+125)
35K → 23M
10:34 | 8:26/mi
24M
3:18:11
Rank: #14299 (+46)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:25:13
Rank: #14181 (+118)
24M → 40K
7:02 | 8:14/mi
25.2M
3:28:24
Rank: #14169 (+12)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:36:43
Rank: #14111 (+58)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:14
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:50:29
Pace8:26 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0526:578:4026:57
8:40
-
10K
6.21 mi12:13:2252:148:2425:17
8:08
-0:32
15K
9.32 mi12:37:221:16:148:1124:00
7:43
-0:25
20K
12.43 mi13:01:581:40:508:0724:36
7:55
+0:12
Half
13.11 mi13:07:221:46:148:065:24
7:55
0:00
25K
15.53 mi13:27:052:05:578:0619:43
8:08
+0:13
30K
18.64 mi13:53:262:32:188:1026:21
8:29
+0:21
20M
20.00 mi14:05:042:43:568:1211:38
8:34
+0:05
21M
21.00 mi14:14:032:52:558:148:59
8:59
+0:25
35K
21.75 mi14:20:232:59:158:156:20
8:28
-0:31
23M
23.00 mi14:30:573:09:498:1510:34
8:26
-0:02
24M
24.00 mi14:39:193:18:118:158:22
8:22
-0:04
40K
24.85 mi14:46:213:25:138:157:02
8:14
-0:08
25.2M
25.20 mi14:49:323:28:248:163:11
9:14
+1:00
Finish
26.22 mi14:57:513:36:438:168:19
8:10
-1:04

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

7:43 /mi

Average Pace

8:16 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:58

77% of race

Time at Steady Pace

47:34

22% of race

Time at Slower Pace

3:11

1% of race

Average Pace: 8:16 /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 mi11:48:0526:578:4026:57
8:40
#18702
10K
6.21 mi12:13:2252:148:2425:17
8:08
#17242
15K
9.32 mi12:37:221:16:148:1124:00
7:43
#15656
20K
12.43 mi13:01:581:40:508:0724:36
7:55
#14969
Half
13.11 mi13:07:221:46:148:065:24
7:55
#14905
25K
15.53 mi13:27:052:05:578:0619:43
8:08
#14696
30K
18.64 mi13:53:262:32:188:1026:21
8:29
#14591
20M
20.00 mi14:05:042:43:568:1211:38
8:34
#14528
21M
21.00 mi14:14:032:52:558:148:59
8:59
#14443
35K
21.75 mi14:20:232:59:158:156:20
8:28
#14470
23M
23.00 mi14:30:573:09:498:1510:34
8:26
#14345
24M
24.00 mi14:39:193:18:118:158:22
8:22
#14299
40K
24.85 mi14:46:213:25:138:157:02
8:14
#14181
25.2M
25.20 mi14:49:323:28:248:163:11
9:14
#14169
Finish
26.22 mi14:57:513:36:438:168:19
8:10
#14111
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18702116761167612043(Top 45%)9108(Top 60%)9108(Top 172%)
10K6.21 mi3.10 mi17242+146011139+53711139+53715784(Top 59%)10629(Top 70%)10629(Top 201%)
15K9.32 mi3.11 mi15656+158610565+57410565+57412043(Top 45%)9108(Top 60%)9108(Top 172%)
20K12.43 mi3.11 mi14969+68710286+27910286+27912763(Top 48%)9331(Top 61%)9331(Top 177%)
Half13.11 mi0.68 mi14905+6410257+2910257+2913652(Top 51%)9762(Top 64%)9762(Top 185%)
25K15.53 mi2.42 mi14696+20910154+10310154+10313729(Top 52%)9660(Top 64%)9660(Top 183%)
30K18.64 mi3.11 mi14591+10510081+7310081+7314184(Top 53%)9725(Top 64%)9725(Top 184%)
20M20.00 mi1.36 mi14528+6310023+5810023+5813982(Top 53%)9564(Top 63%)9564(Top 181%)
21M21.00 mi1.00 mi14443+859962+619962+6113294(Top 50%)9175(Top 60%)9175(Top 174%)
35K21.75 mi0.75 mi14470-279962996215069(Top 57%)9895(Top 65%)9895(Top 187%)
23M23.00 mi1.25 mi14345+1259887+759887+7512839(Top 48%)8845(Top 58%)8845(Top 167%)
24M24.00 mi1.00 mi14299+469853+349853+3413621(Top 51%)9145(Top 60%)9145(Top 173%)
40K24.85 mi0.85 mi14181+1189780+739780+7311531(Top 43%)8097(Top 53%)8097(Top 153%)
25.2M25.20 mi0.35 mi14169+129766+149766+1413745(Top 52%)9113(Top 60%)9113(Top 172%)
Finish26.22 mi1.02 mi14111+589728+389728+3813158(Top 49%)8854(Top 58%)8854(Top 168%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12043

Males

9108

M18-39

9108

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15784

Males

10629

M18-39

10629

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12043

Males

9108

M18-39

9108

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12763

Males

9331

M18-39

9331

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

13652

Males

9762

M18-39

9762

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13729

Males

9660

M18-39

9660

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

14184

Males

9725

M18-39

9725

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

13982

Males

9564

M18-39

9564

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13294

Males

9175

M18-39

9175

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15069

Males

9895

M18-39

9895

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12839

Males

8845

M18-39

8845

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13621

Males

9145

M18-39

9145

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11531

Males

8097

M18-39

8097

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13745

Males

9113

M18-39

9113

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13158

Males

8854

M18-39

8854

Passing Analysis

Category:
Athletes Passed
5119
Passed By
528
Net Change
+4591
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18702
5K → 10K151555+1460#18702#17242
10K → 15K15893+1586#17242#15656
15K → 20K69710+687#15656#14969
20K → Half7511+64#14969#14905
Half → 25K24132+209#14905#14696
25K → 30K212107+105#14696#14591
30K → 20M12360+63#14591#14528
20M → 21M12742+85#14528#14443
21M → 35K3259-27#14443#14470
35K → 23M15328+125#14470#14345
23M → 24M9650+46#14345#14299
24M → 40K13214+118#14299#14181
40K → 25.2M3220+12#14181#14169
25.2M → Finish9537+58#14169#14111
TOTALS5119528+4591
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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