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BOSTON MARATHON 2023

Tommy Ros

Bib: 4215•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Male)
#0 / 15176
Top 38%
Division (M18-39)
#0 / 5285
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
6:46/mi
21:02
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
42:00
↑ 79↓ 1380.4%
15K· 9.32 mi
6:48/mi
1:03:07
↑ 67↓ 78
20K· 12.43 mi
6:51/mi
1:24:24
↑ 106↓ 860.1%
Half· 13.11 mi
6:49/mi
1:29:03
↑ 19↓ 370.5%
25K· 15.53 mi
6:52/mi
1:45:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:14/mi
2:08:09
↑ 181↓ 1480.2%
20M
7:30/mi
2:18:21
↑ 64↓ 500.2%
21M
8:02/mi
2:26:23
↑ 106↓ 241.6%
35K· 21.75 mi
7:10/mi
2:31:45
↑ 17↓ 861.7%
23M
9:10/mi
2:43:14
↑ 23↓ 630.6%
24M
8:37/mi
2:51:51
↓ 821.3%
40K· 24.85 mi
8:45/mi
2:59:20
↓ 200.3%
25.2M
9:40/mi
3:02:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:10:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:03
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:41:49
Pace7:46 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5321:026:4621:02
6:46
-
10K
6.21 mi10:43:5142:006:4620:58
6:45
-0:01
15K
9.32 mi11:04:581:03:076:4621:07
6:48
+0:03
20K
12.43 mi11:26:151:24:246:4721:17
6:51
+0:03
Half
13.11 mi11:30:541:29:036:484:39
6:49
-0:02
25K
15.53 mi11:47:331:45:426:4816:39
6:52
+0:03
30K
18.64 mi12:10:002:08:096:5222:27
7:14
+0:22
20M
20.00 mi12:20:122:18:216:5510:12
7:30
+0:16
21M
21.00 mi12:28:142:26:236:588:02
8:02
+0:32
35K
21.75 mi12:33:362:31:456:595:22
7:10
-0:52
23M
23.00 mi12:45:052:43:147:0611:29
9:10
+2:00
24M
24.00 mi12:53:422:51:517:108:37
8:37
-0:33
40K
24.85 mi13:01:112:59:207:137:29
8:45
+0:08
25.2M
25.20 mi13:04:313:02:407:153:20
9:40
+0:55
Finish
26.22 mi13:12:433:10:527:178:12
8:03
-1:37

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

6:45 /mi

Average Pace

7:17 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:58

11% of race

Time at Steady Pace

2:02:45

64% of race

Time at Slower Pace

47:09

25% of race

Average Pace: 7:17 /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 mi10:22:5321:026:4621:02
6:46
#4379
10K
6.21 mi10:43:5142:006:4620:58
6:45
#4601
15K
9.32 mi11:04:581:03:076:4621:07
6:48
#4723
20K
12.43 mi11:26:151:24:246:4721:17
6:51
#4758
Half
13.11 mi11:30:541:29:036:484:39
6:49
#4796
25K
15.53 mi11:47:331:45:426:4816:39
6:52
#4742
30K
18.64 mi12:10:002:08:096:5222:27
7:14
#4969
20M
20.00 mi12:20:122:18:216:5510:12
7:30
#5132
21M
21.00 mi12:28:142:26:236:588:02
8:02
#5223
35K
21.75 mi12:33:362:31:456:595:22
7:10
#5246
23M
23.00 mi12:45:052:43:147:0611:29
9:10
#5806
24M
24.00 mi12:53:422:51:517:108:37
8:37
#6088
40K
24.85 mi13:01:112:59:207:137:29
8:45
#6325
25.2M
25.20 mi13:04:313:02:407:153:20
9:40
#6438
Finish
26.22 mi13:12:433:10:527:178:12
8:03
#6607
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4379409040905094(Top 19%)4721(Top 31%)4721(Top 89%)
10K6.21 mi3.10 mi4601-2224297-2074297-2074819(Top 18%)4476(Top 29%)4476(Top 85%)
15K9.32 mi3.11 mi4723-1224398-1014398-1015094(Top 19%)4721(Top 31%)4721(Top 89%)
20K12.43 mi3.11 mi4758-354438-404438-404932(Top 19%)4581(Top 30%)4581(Top 87%)
Half13.11 mi0.68 mi4796-384469-314469-315437(Top 20%)5020(Top 33%)5020(Top 95%)
25K15.53 mi2.42 mi4742+544417+524417+524734(Top 18%)4397(Top 29%)4397(Top 83%)
30K18.64 mi3.11 mi4969-2274621-2044621-2045637(Top 21%)5103(Top 34%)5103(Top 97%)
20M20.00 mi1.36 mi5132-1634749-1284749-1286796(Top 26%)5836(Top 38%)5836(Top 110%)
21M21.00 mi1.00 mi5223-914819-704819-707521(Top 28%)6189(Top 41%)6189(Top 117%)
35K21.75 mi0.75 mi5246-234828-94828-96342(Top 24%)5470(Top 36%)5470(Top 104%)
23M23.00 mi1.25 mi5806-5605271-4435271-44316884(Top 63%)10631(Top 70%)10631(Top 201%)
24M24.00 mi1.00 mi6088-2825475-2045475-20415120(Top 57%)9792(Top 65%)9792(Top 185%)
40K24.85 mi0.85 mi6325-2375646-1715646-17114774(Top 55%)9573(Top 63%)9573(Top 181%)
25.2M25.20 mi0.35 mi6438-1135720-745720-7415867(Top 60%)10031(Top 66%)10031(Top 190%)
Finish26.22 mi1.02 mi6607-1695820-1005820-10012394(Top 47%)8462(Top 56%)8462(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5094

Males

4721

M18-39

4721

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4819

Males

4476

M18-39

4476

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5094

Males

4721

M18-39

4721

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

4932

Males

4581

M18-39

4581

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+19ft-37ft

Overall

5437

Males

5020

M18-39

5020

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4734

Males

4397

M18-39

4397

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5637

Males

5103

M18-39

5103

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6796

Males

5836

M18-39

5836

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7521

Males

6189

M18-39

6189

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6342

Males

5470

M18-39

5470

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16884

Males

10631

M18-39

10631

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15120

Males

9792

M18-39

9792

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14774

Males

9573

M18-39

9573

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15867

Males

10031

M18-39

10031

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12394

Males

8462

M18-39

8462

Passing Analysis

Category:
Athletes Passed
655
Passed By
2883
Net Change
-2228
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4379
5K → 10K129351-222#4379#4601
10K → 15K79201-122#4601#4723
15K → 20K85120-35#4723#4758
20K → Half1654-38#4758#4796
Half → 25K12268+54#4796#4742
25K → 30K75302-227#4742#4969
30K → 20M31194-163#4969#5132
20M → 21M35126-91#5132#5223
21M → 35K2952-23#5223#5246
35K → 23M9569-560#5246#5806
23M → 24M13295-282#5806#6088
24M → 40K12249-237#6088#6325
40K → 25.2M5118-113#6325#6438
25.2M → Finish15184-169#6438#6607
TOTALS6552883-2228
📊

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