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BOSTON MARATHON 2023

Brooks Barth

Bib: 6661•M

OR

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
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
7:01/mi
21:47
↑ 97↓ 3451.5%
10K· 6.21 mi
6:53/mi
43:09
↑ 79↓ 1380.4%
15K· 9.32 mi
6:50/mi
1:04:24
↑ 67↓ 78
20K· 12.43 mi
7:02/mi
1:26:16
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:31:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:06/mi
1:48:13
↑ 66↓ 880.2%
30K· 18.64 mi
6:51/mi
2:09:29
↑ 181↓ 1480.2%
20M
6:48/mi
2:18:44
↑ 64↓ 500.2%
21M
7:10/mi
2:25:54
↑ 106↓ 241.6%
35K· 21.75 mi
6:41/mi
2:30:54
↑ 17↓ 861.7%
23M
6:54/mi
2:39:32
↑ 23↓ 630.6%
24M
6:48/mi
2:46:20
↓ 821.3%
40K· 24.85 mi
6:53/mi
2:52:13
↓ 200.3%
25.2M
7:27/mi
2:54:47
↑ 13↓ 160.2%
Finish· 26.22 mi
6:42/mi
3:01:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:31:00
Pace6:56 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:37
Pace6:55 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4921:477:0121:47
7:01
-
10K
6.21 mi11:09:1143:096:5721:22
6:53
-0:08
15K
9.32 mi11:30:261:04:246:5521:15
6:50
-0:03
20K
12.43 mi11:52:181:26:166:5621:52
7:02
+0:12
Half
13.11 mi11:57:021:31:006:564:44
6:56
-0:06
25K
15.53 mi12:14:151:48:136:5817:13
7:06
+0:10
30K
18.64 mi12:35:312:09:296:5721:16
6:51
-0:15
20M
20.00 mi12:44:462:18:446:569:15
6:48
-0:03
21M
21.00 mi12:51:562:25:546:577:10
7:10
+0:22
35K
21.75 mi12:56:562:30:546:565:00
6:41
-0:29
23M
23.00 mi13:05:342:39:326:568:38
6:54
+0:13
24M
24.00 mi13:12:222:46:206:566:48
6:48
-0:06
40K
24.85 mi13:18:152:52:136:565:53
6:53
+0:05
25.2M
25.20 mi13:20:492:54:476:562:34
7:27
+0:34
Finish
26.22 mi13:27:393:01:376:566:50
6:42
-0:45

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

6:41 /mi

Average Pace

6:56 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:03

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:56 /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 mi10:47:4921:477:0121:47
7:01
#6302
10K
6.21 mi11:09:1143:096:5721:22
6:53
#6146
15K
9.32 mi11:30:261:04:246:5521:15
6:50
#5910
20K
12.43 mi11:52:181:26:166:5621:52
7:02
#5987
Half
13.11 mi11:57:021:31:006:564:44
6:56
#6001
25K
15.53 mi12:14:151:48:136:5817:13
7:06
#6009
30K
18.64 mi12:35:312:09:296:5721:16
6:51
#5501
20M
20.00 mi12:44:462:18:446:569:15
6:48
#5265
21M
21.00 mi12:51:562:25:546:577:10
7:10
#5073
35K
21.75 mi12:56:562:30:546:565:00
6:41
#4991
23M
23.00 mi13:05:342:39:326:568:38
6:54
#4823
24M
24.00 mi13:12:222:46:206:566:48
6:48
#4747
40K
24.85 mi13:18:152:52:136:565:53
6:53
#4662
25.2M
25.20 mi13:20:492:54:476:562:34
7:27
#4626
Finish
26.22 mi13:27:393:01:376:566:50
6:42
#4542
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6302573857385467(Top 21%)5036(Top 33%)5036(Top 95%)
10K6.21 mi3.10 mi6146+1565599+1395599+1395953(Top 22%)5422(Top 36%)5422(Top 103%)
15K9.32 mi3.11 mi5910+2365406+1935406+1935467(Top 21%)5036(Top 33%)5036(Top 95%)
20K12.43 mi3.11 mi5987-775464-585464-586192(Top 23%)5613(Top 37%)5613(Top 106%)
Half13.11 mi0.68 mi6001-145476-125476-126144(Top 23%)5587(Top 37%)5587(Top 106%)
25K15.53 mi2.42 mi6009-85489-135489-136101(Top 23%)5514(Top 36%)5514(Top 104%)
30K18.64 mi3.11 mi5501+5085065+4245065+4243301(Top 12%)3111(Top 20%)3111(Top 59%)
20M20.00 mi1.36 mi5265+2364861+2044861+2042885(Top 11%)2720(Top 18%)2720(Top 51%)
21M21.00 mi1.00 mi5073+1924693+1684693+1682955(Top 11%)2772(Top 18%)2772(Top 52%)
35K21.75 mi0.75 mi4991+824617+764617+763496(Top 13%)3248(Top 21%)3248(Top 61%)
23M23.00 mi1.25 mi4823+1684475+1424475+1423218(Top 12%)2995(Top 20%)2995(Top 57%)
24M24.00 mi1.00 mi4747+764408+674408+673667(Top 14%)3366(Top 22%)3366(Top 64%)
40K24.85 mi0.85 mi4662+854329+794329+793243(Top 12%)2973(Top 20%)2973(Top 56%)
25.2M25.20 mi0.35 mi4626+364298+314298+313650(Top 14%)3278(Top 22%)3278(Top 62%)
Finish26.22 mi1.02 mi4542+844220+784220+783553(Top 13%)3178(Top 21%)3178(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5467

Males

5036

M18-39

5036

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

5953

Males

5422

M18-39

5422

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5467

Males

5036

M18-39

5036

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6192

Males

5613

M18-39

5613

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

6144

Males

5587

M18-39

5587

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6101

Males

5514

M18-39

5514

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3301

Males

3111

M18-39

3111

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

2885

Males

2720

M18-39

2720

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

2955

Males

2772

M18-39

2772

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3496

Males

3248

M18-39

3248

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3218

Males

2995

M18-39

2995

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3667

Males

3366

M18-39

3366

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3243

Males

2973

M18-39

2973

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3650

Males

3278

M18-39

3278

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3553

Males

3178

M18-39

3178

Passing Analysis

Category:
Athletes Passed
2220
Passed By
460
Net Change
+1760
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6302
5K → 10K272116+156#6302#6146
10K → 15K27741+236#6146#5910
15K → 20K70147-77#5910#5987
20K → Half1630-14#5987#6001
Half → 25K7179-8#6001#6009
25K → 30K5102+508#6009#5501
30K → 20M2371+236#5501#5265
20M → 21M1931+192#5265#5073
21M → 35K853+82#5073#4991
35K → 23M1779+168#4991#4823
23M → 24M8610+76#4823#4747
24M → 40K938+85#4747#4662
40K → 25.2M404+36#4662#4626
25.2M → Finish939+84#4626#4542
TOTALS2220460+1760
📊

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