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BOSTON MARATHON 2023

Brandon Rossi

Bib: 997•M

MD

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
30:30
Rank: #22964
Start → 5K
30:30 | 9:49/mi
10K· 6.21 mi
58:11
Rank: #21928 (+1036)
5K → 10K
27:41 | 8:55/mi
15K· 9.32 mi
1:25:06
Rank: #21140 (+788)
10K → 15K
26:55 | 8:40/mi
20K· 12.43 mi
1:51:58
Rank: #20409 (+731)
15K → 20K
26:52 | 8:39/mi
Half· 13.11 mi
1:57:45
Rank: #20277 (+132)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:18:21
Rank: #19651 (+626)
Half → 25K
20:36 | 8:30/mi
30K· 18.64 mi
2:45:34
Rank: #19009 (+642)
25K → 30K
27:13 | 8:46/mi
20M
2:57:25
Rank: #18735 (+274)
30K → 20M
11:51 | 8:43/mi
21M
3:06:43
Rank: #18493 (+242)
20M → 21M
9:18 | 9:18/mi
35K· 21.75 mi
3:12:57
Rank: #18341 (+152)
21M → 35K
6:14 | 8:20/mi
23M
3:23:44
Rank: #18091 (+250)
35K → 23M
10:47 | 8:37/mi
24M
3:32:15
Rank: #17951 (+140)
23M → 24M
8:31 | 8:31/mi
40K· 24.85 mi
3:39:53
Rank: #17876 (+75)
24M → 40K
7:38 | 8:56/mi
25.2M
3:43:14
Rank: #17852 (+24)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:52:23
Rank: #17846 (+6)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:57:45
Pace8:59 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:54:38
Pace8:45 /mi
📊Negative Split: 2.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1030:309:4930:30
9:49
-
10K
6.21 mi12:18:5158:119:2227:41
8:55
-0:54
15K
9.32 mi12:45:461:25:069:0826:55
8:40
-0:15
20K
12.43 mi13:12:381:51:589:0126:52
8:39
-0:01
Half
13.11 mi13:18:251:57:458:595:47
8:29
-0:10
25K
15.53 mi13:39:012:18:218:5420:36
8:30
+0:01
30K
18.64 mi14:06:142:45:348:5327:13
8:46
+0:16
20M
20.00 mi14:18:052:57:258:5211:51
8:43
-0:03
21M
21.00 mi14:27:233:06:438:539:18
9:18
+0:35
35K
21.75 mi14:33:373:12:578:526:14
8:20
-0:58
23M
23.00 mi14:44:243:23:448:5110:47
8:37
+0:17
24M
24.00 mi14:52:553:32:158:518:31
8:31
-0:06
40K
24.85 mi15:00:333:39:538:517:38
8:56
+0:25
25.2M
25.20 mi15:03:543:43:148:523:21
9:43
+0:47
Finish
26.22 mi15:13:033:52:238:529:09
8:59
-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

8:20 /mi

Average Pace

8:52 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:14

81% of race

Time at Steady Pace

43:09

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:52 /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 mi11:51:1030:309:4930:30
9:49
#22964
10K
6.21 mi12:18:5158:119:2227:41
8:55
#21928
15K
9.32 mi12:45:461:25:069:0826:55
8:40
#21140
20K
12.43 mi13:12:381:51:589:0126:52
8:39
#20409
Half
13.11 mi13:18:251:57:458:595:47
8:29
#20277
25K
15.53 mi13:39:012:18:218:5420:36
8:30
#19651
30K
18.64 mi14:06:142:45:348:5327:13
8:46
#19009
20M
20.00 mi14:18:052:57:258:5211:51
8:43
#18735
21M
21.00 mi14:27:233:06:438:539:18
9:18
#18493
35K
21.75 mi14:33:373:12:578:526:14
8:20
#18341
23M
23.00 mi14:44:243:23:448:5110:47
8:37
#18091
24M
24.00 mi14:52:553:32:158:518:31
8:31
#17951
40K
24.85 mi15:00:333:39:538:517:38
8:56
#17876
25.2M
25.20 mi15:03:543:43:148:523:21
9:43
#17852
Finish
26.22 mi15:13:033:52:238:529:09
8:59
#17846
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22964135711357118785(Top 71%)11797(Top 78%)11797(Top 223%)
10K6.21 mi3.10 mi21928+103613095+47613095+47620458(Top 77%)12483(Top 82%)12483(Top 236%)
15K9.32 mi3.11 mi21140+78812765+33012765+33018785(Top 71%)11797(Top 78%)11797(Top 223%)
20K12.43 mi3.11 mi20409+73112439+32612439+32617777(Top 67%)11371(Top 75%)11371(Top 215%)
Half13.11 mi0.68 mi20277+13212385+5412385+5417561(Top 66%)11322(Top 75%)11322(Top 214%)
25K15.53 mi2.42 mi19651+62612118+26712118+26716167(Top 61%)10614(Top 70%)10614(Top 201%)
30K18.64 mi3.11 mi19009+64211845+27311845+27315829(Top 59%)10408(Top 69%)10408(Top 197%)
20M20.00 mi1.36 mi18735+27411714+13111714+13114982(Top 56%)9992(Top 66%)9992(Top 189%)
21M21.00 mi1.00 mi18493+24211599+11511599+11514972(Top 56%)9925(Top 65%)9925(Top 188%)
35K21.75 mi0.75 mi18341+15211520+7911520+7914282(Top 54%)9560(Top 63%)9560(Top 181%)
23M23.00 mi1.25 mi18091+25011403+11711403+11713867(Top 52%)9319(Top 61%)9319(Top 176%)
24M24.00 mi1.00 mi17951+14011335+6811335+6814561(Top 55%)9558(Top 63%)9558(Top 181%)
40K24.85 mi0.85 mi17876+7511299+3611299+3615741(Top 59%)10026(Top 66%)10026(Top 190%)
25.2M25.20 mi0.35 mi17852+2411285+1411285+1416140(Top 61%)10184(Top 67%)10184(Top 193%)
Finish26.22 mi1.02 mi17846+611267+1811267+1817855(Top 67%)10997(Top 72%)10997(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18785

Males

11797

M18-39

11797

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20458

Males

12483

M18-39

12483

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18785

Males

11797

M18-39

11797

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17777

Males

11371

M18-39

11371

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17561

Males

11322

M18-39

11322

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16167

Males

10614

M18-39

10614

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15829

Males

10408

M18-39

10408

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14982

Males

9992

M18-39

9992

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14972

Males

9925

M18-39

9925

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14282

Males

9560

M18-39

9560

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13867

Males

9319

M18-39

9319

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14561

Males

9558

M18-39

9558

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15741

Males

10026

M18-39

10026

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16140

Males

10184

M18-39

10184

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17855

Males

10997

M18-39

10997

Passing Analysis

Category:
Athletes Passed
5246
Passed By
128
Net Change
+5118
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22964
5K → 10K105115+1036#22964#21928
10K → 15K7913+788#21928#21140
15K → 20K7321+731#21140#20409
20K → Half1320+132#20409#20277
Half → 25K6260+626#20277#19651
25K → 30K6486+642#19651#19009
30K → 20M2773+274#19009#18735
20M → 21M2508+242#18735#18493
21M → 35K1542+152#18493#18341
35K → 23M2522+250#18341#18091
23M → 24M1477+140#18091#17951
24M → 40K9318+75#17951#17876
40K → 25.2M3814+24#17876#17852
25.2M → Finish5549+6#17852#17846
TOTALS5246128+5118
📊

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