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BOSTON MARATHON 2023

Christian Brensing

Bib: 5661•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Masters (Masters Men)
#0 / 9891
Top 8%
Division (M45-49)
#0 / 2252
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:20
Rank: #2528
Start → 5K
20:20 | 6:33/mi
10K· 6.21 mi
40:22
Rank: #2474 (+54)
5K → 10K
20:02 | 6:27/mi
15K· 9.32 mi
1:00:36
Rank: #2539 (-65)
10K → 15K
20:14 | 6:31/mi
20K· 12.43 mi
1:21:23
Rank: #2730 (-191)
15K → 20K
20:47 | 6:41/mi
Half· 13.11 mi
1:25:56
Rank: #2777 (-47)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:42:33
Rank: #3013 (-236)
Half → 25K
16:37 | 6:51/mi
30K· 18.64 mi
2:04:34
Rank: #3310 (-297)
25K → 30K
22:01 | 7:05/mi
20M
2:14:08
Rank: #3334 (-24)
30K → 20M
9:34 | 7:02/mi
21M
2:21:38
Rank: #3403 (-69)
20M → 21M
7:30 | 7:30/mi
35K· 21.75 mi
2:26:44
Rank: #3417 (-14)
21M → 35K
5:06 | 6:49/mi
23M
2:35:28
Rank: #3409 (+8)
35K → 23M
8:44 | 6:59/mi
24M
2:42:14
Rank: #3395 (+14)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:48:03
Rank: #3352 (+43)
24M → 40K
5:49 | 6:48/mi
25.2M
2:50:35
Rank: #3327 (+25)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:57:14
Rank: #3255 (+72)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:56
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:31:18
Pace6:58 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2920:206:3320:20
6:33
-
10K
6.21 mi10:42:3140:226:3020:02
6:27
-0:06
15K
9.32 mi11:02:451:00:366:3020:14
6:31
+0:04
20K
12.43 mi11:23:321:21:236:3320:47
6:41
+0:10
Half
13.11 mi11:28:051:25:566:334:33
6:40
-0:01
25K
15.53 mi11:44:421:42:336:3616:37
6:51
+0:11
30K
18.64 mi12:06:432:04:346:4122:01
7:05
+0:14
20M
20.00 mi12:16:172:14:086:429:34
7:02
-0:03
21M
21.00 mi12:23:472:21:386:457:30
7:30
+0:28
35K
21.75 mi12:28:532:26:446:455:06
6:49
-0:41
23M
23.00 mi12:37:372:35:286:468:44
6:59
+0:10
24M
24.00 mi12:44:232:42:146:466:46
6:46
-0:13
40K
24.85 mi12:50:122:48:036:465:49
6:48
+0:02
25.2M
25.20 mi12:52:442:50:356:462:32
7:21
+0:33
Finish
26.22 mi12:59:232:57:146:466:39
6:32
-0:49

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

6:27 /mi

Average Pace

6:46 /mi

Slowest Pace

7:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:12

94% of race

Time at Steady Pace

10:02

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:22:2920:206:3320:20
6:33
#2528
10K
6.21 mi10:42:3140:226:3020:02
6:27
#2474
15K
9.32 mi11:02:451:00:366:3020:14
6:31
#2539
20K
12.43 mi11:23:321:21:236:3320:47
6:41
#2730
Half
13.11 mi11:28:051:25:566:334:33
6:40
#2777
25K
15.53 mi11:44:421:42:336:3616:37
6:51
#3013
30K
18.64 mi12:06:432:04:346:4122:01
7:05
#3310
20M
20.00 mi12:16:172:14:086:429:34
7:02
#3334
21M
21.00 mi12:23:472:21:386:457:30
7:30
#3403
35K
21.75 mi12:28:532:26:446:455:06
6:49
#3417
23M
23.00 mi12:37:372:35:286:468:44
6:59
#3409
24M
24.00 mi12:44:232:42:146:466:46
6:46
#3395
40K
24.85 mi12:50:122:48:036:465:49
6:48
#3352
25.2M
25.20 mi12:52:442:50:356:462:32
7:21
#3327
Finish
26.22 mi12:59:232:57:146:466:39
6:32
#3255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2528241324132722(Top 10%)2601(Top 17%)2601(Top 115%)
10K6.21 mi3.10 mi2474+542360+532360+532486(Top 9%)2377(Top 16%)2377(Top 106%)
15K9.32 mi3.11 mi2539-652426-662426-662722(Top 10%)2601(Top 17%)2601(Top 115%)
20K12.43 mi3.11 mi2730-1912609-1832609-1833487(Top 13%)3301(Top 22%)3301(Top 147%)
Half13.11 mi0.68 mi2777-472656-472656-473981(Top 15%)3733(Top 25%)3733(Top 166%)
25K15.53 mi2.42 mi3013-2362877-2212877-2214588(Top 17%)4267(Top 28%)4267(Top 189%)
30K18.64 mi3.11 mi3310-2973141-2643141-2644842(Top 18%)4457(Top 29%)4457(Top 198%)
20M20.00 mi1.36 mi3334-243159-183159-184242(Top 16%)3913(Top 26%)3913(Top 174%)
21M21.00 mi1.00 mi3403-693223-643223-644542(Top 17%)4129(Top 27%)4129(Top 183%)
35K21.75 mi0.75 mi3417-143234-113234-114248(Top 16%)3883(Top 26%)3883(Top 172%)
23M23.00 mi1.25 mi3409+83226+83226+83648(Top 14%)3372(Top 22%)3372(Top 150%)
24M24.00 mi1.00 mi3395+143211+153211+153461(Top 13%)3186(Top 21%)3186(Top 141%)
40K24.85 mi0.85 mi3352+433170+413170+412841(Top 11%)2615(Top 17%)2615(Top 116%)
25.2M25.20 mi0.35 mi3327+253146+243146+243135(Top 12%)2858(Top 19%)2858(Top 127%)
Finish26.22 mi1.02 mi3255+723078+683078+682611(Top 10%)2397(Top 16%)2397(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2722

Males

2601

M45-49

2601

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2486

Males

2377

M45-49

2377

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2722

Males

2601

M45-49

2601

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3487

Males

3301

M45-49

3301

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3981

Males

3733

M45-49

3733

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4588

Males

4267

M45-49

4267

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4842

Males

4457

M45-49

4457

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4242

Males

3913

M45-49

3913

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4542

Males

4129

M45-49

4129

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4248

Males

3883

M45-49

3883

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3648

Males

3372

M45-49

3372

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3461

Males

3186

M45-49

3186

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2841

Males

2615

M45-49

2615

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3135

Males

2858

M45-49

2858

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2611

Males

2397

M45-49

2397

Passing Analysis

Category:
Athletes Passed
690
Passed By
1417
Net Change
-727
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2528
5K → 10K168114+54#2528#2474
10K → 15K44109-65#2474#2539
15K → 20K23214-191#2539#2730
20K → Half451-47#2730#2777
Half → 25K13249-236#2777#3013
25K → 30K29326-297#3013#3310
30K → 20M5579-24#3310#3334
20M → 21M32101-69#3334#3403
21M → 35K3044-14#3403#3417
35K → 23M6052+8#3417#3409
23M → 24M4733+14#3409#3395
24M → 40K6118+43#3395#3352
40K → 25.2M327+25#3352#3327
25.2M → Finish9220+72#3327#3255
TOTALS6901417-727
📊

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