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BOSTON MARATHON 2023

Bjoern Buschhoff

Bib: 6623•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 38%
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
21:05
Rank: #4566
Start → 5K
6:47/mi
21:05 split
10K· 6.21 mi
42:06
Rank: #4753 (-187)
5K → 10K
6:46/mi
21:01 split
15K· 9.32 mi
1:03:48
Rank: #5429 (-676)
10K → 15K
6:59/mi
21:42 split
20K· 12.43 mi
1:27:04
Rank: #6384 (-955)
15K → 20K
7:29/mi
23:16 split
Half· 13.11 mi
1:32:19
Rank: #6608 (-224)
20K → Half
7:42/mi
5:15 split
25K· 15.53 mi
1:51:59
Rank: #7420 (-812)
Half → 25K
8:07/mi
19:40 split
30K· 18.64 mi
2:18:14
Rank: #8485 (-1065)
25K → 30K
8:27/mi
26:15 split
20M
2:29:52
Rank: #8897 (-412)
30K → 20M
8:34/mi
11:38 split
21M
2:39:25
Rank: #9352 (-455)
20M → 21M
9:33/mi
9:33 split
35K· 21.75 mi
2:45:30
Rank: #9488 (-136)
21M → 35K
8:08/mi
6:05 split
23M
2:56:33
Rank: #9812 (-324)
35K → 23M
8:50/mi
11:03 split
24M
3:04:53
Rank: #9965 (-153)
23M → 24M
8:20/mi
8:20 split
40K· 24.85 mi
3:12:06
Rank: #10065 (-100)
24M → 40K
8:26/mi
7:13 split
25.2M
3:15:19
Rank: #10127 (-62)
40K → 25.2M
9:20/mi
3:13 split
Finish· 26.22 mi
3:23:30
Rank: #10195 (-68)
25.2M → Finish
8:02/mi
8:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:19
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:51:11
Pace8:29 /mi
📊Positive Split: 20.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2821:056:4721:05
6:47
-
10K
6.21 mi10:45:2942:066:4721:01
6:46
-0:01
15K
9.32 mi11:07:111:03:486:5121:42
6:59
+0:13
20K
12.43 mi11:30:271:27:047:0023:16
7:29
+0:30
Half
13.11 mi11:35:421:32:197:035:15
7:42
+0:13
25K
15.53 mi11:55:221:51:597:1319:40
8:07
+0:25
30K
18.64 mi12:21:372:18:147:2526:15
8:27
+0:20
20M
20.00 mi12:33:152:29:527:3011:38
8:34
+0:07
21M
21.00 mi12:42:482:39:257:359:33
9:33
+0:59
35K
21.75 mi12:48:532:45:307:376:05
8:08
-1:25
23M
23.00 mi12:59:562:56:337:4111:03
8:50
+0:42
24M
24.00 mi13:08:163:04:537:428:20
8:20
-0:30
40K
24.85 mi13:15:293:12:067:447:13
8:26
+0:06
25.2M
25.20 mi13:18:423:15:197:453:13
9:20
+0:54
Finish
26.22 mi13:26:533:23:307:468:11
8:02
-1:18

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

6:46 /mi

Average Pace

7:46 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:19

45% of race

Time at Steady Pace

1:15:44

37% of race

Time at Slower Pace

35:27

17% of race

Average Pace: 7:46 /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 mi10:24:2821:056:4721:05
6:47
#4566
10K
6.21 mi10:45:2942:066:4721:01
6:46
#4753
15K
9.32 mi11:07:111:03:486:5121:42
6:59
#5429
20K
12.43 mi11:30:271:27:047:0023:16
7:29
#6384
Half
13.11 mi11:35:421:32:197:035:15
7:42
#6608
25K
15.53 mi11:55:221:51:597:1319:40
8:07
#7420
30K
18.64 mi12:21:372:18:147:2526:15
8:27
#8485
20M
20.00 mi12:33:152:29:527:3011:38
8:34
#8897
21M
21.00 mi12:42:482:39:257:359:33
9:33
#9352
35K
21.75 mi12:48:532:45:307:376:05
8:08
#9488
23M
23.00 mi12:59:562:56:337:4111:03
8:50
#9812
24M
24.00 mi13:08:163:04:537:428:20
8:20
#9965
40K
24.85 mi13:15:293:12:067:447:13
8:26
#10065
25.2M
25.20 mi13:18:423:15:197:453:13
9:20
#10127
Finish
26.22 mi13:26:533:23:307:468:11
8:02
#10195
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4566426042606465(Top 24%)5829(Top 38%)5829(Top 110%)
10K6.21 mi3.10 mi4753-1874429-1694429-1694959(Top 19%)4598(Top 30%)4598(Top 87%)
15K9.32 mi3.11 mi5429-6765016-5875016-5876465(Top 24%)5829(Top 38%)5829(Top 110%)
20K12.43 mi3.11 mi6384-9555771-7555771-7559226(Top 35%)7646(Top 50%)7646(Top 145%)
Half13.11 mi0.68 mi6608-2245938-1675938-16711765(Top 44%)8950(Top 59%)8950(Top 169%)
25K15.53 mi2.42 mi7420-8126542-6046542-60413566(Top 51%)9585(Top 63%)9585(Top 181%)
30K18.64 mi3.11 mi8485-10657182-6407182-64013973(Top 52%)9633(Top 63%)9633(Top 182%)
20M20.00 mi1.36 mi8897-4127424-2427424-24213968(Top 52%)9550(Top 63%)9550(Top 181%)
21M21.00 mi1.00 mi9352-4557668-2447668-24416170(Top 61%)10419(Top 69%)10419(Top 197%)
35K21.75 mi0.75 mi9488-1367733-657733-6512945(Top 49%)8943(Top 59%)8943(Top 169%)
23M23.00 mi1.25 mi9812-3247887-1547887-15415104(Top 57%)9841(Top 65%)9841(Top 186%)
24M24.00 mi1.00 mi9965-1537936-497936-4913395(Top 50%)9037(Top 60%)9037(Top 171%)
40K24.85 mi0.85 mi10065-1007963-277963-2712938(Top 49%)8744(Top 58%)8744(Top 165%)
25.2M25.20 mi0.35 mi10127-627988-257988-2514232(Top 53%)9325(Top 61%)9325(Top 176%)
Finish26.22 mi1.02 mi10195-687988798812316(Top 46%)8430(Top 56%)8430(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6465

Males

5829

M18-39

5829

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

4959

Males

4598

M18-39

4598

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6465

Males

5829

M18-39

5829

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9226

Males

7646

M18-39

7646

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11765

Males

8950

M18-39

8950

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13566

Males

9585

M18-39

9585

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13973

Males

9633

M18-39

9633

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13968

Males

9550

M18-39

9550

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16170

Males

10419

M18-39

10419

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

12945

Males

8943

M18-39

8943

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15104

Males

9841

M18-39

9841

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13395

Males

9037

M18-39

9037

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12938

Males

8744

M18-39

8744

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14232

Males

9325

M18-39

9325

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12316

Males

8430

M18-39

8430

Passing Analysis

Category:
Athletes Passed
392*
Passed By
6019
Net Change
-5629
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4566
5K → 10K134321-187#4566#4753
10K → 15K13689-676#4753#5429
15K → 20K9964-955#5429#6384
20K → Half0224-224#6384#6608
Half → 25K5817-812#6608#7420
25K → 30K151080-1065#7420#8485
30K → 20M18430-412#8485#8897
20M → 21M15470-455#8897#9352
21M → 35K22158-136#9352#9488
35K → 23M27351-324#9488#9812
23M → 24M32184-153#9812#9965
24M → 40K32131-100#9965#10065
40K → 25.2M22*84-62#10065#10127
25.2M → Finish48116-68#10127#10195
TOTALS392*6019-5629

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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