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BOSTON MARATHON 2023

Rolf Berg

Bib: 30227•M

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
32:40
Rank: #24742
Start → 5K
32:40 | 10:31/mi
10K· 6.21 mi
1:04:45
Rank: #24528 (+214)
5K → 10K
32:05 | 10:20/mi
15K· 9.32 mi
1:36:37
Rank: #24357 (+171)
10K → 15K
31:52 | 10:15/mi
20K· 12.43 mi
2:09:17
Rank: #24226 (+131)
15K → 20K
32:40 | 10:31/mi
Half· 13.11 mi
2:16:15
Rank: #24185 (+41)
20K → Half
6:58 | 10:13/mi
25K· 15.53 mi
2:41:31
Rank: #23967 (+218)
Half → 25K
25:16 | 10:25/mi
30K· 18.64 mi
3:15:38
Rank: #23808 (+159)
25K → 30K
34:07 | 10:59/mi
20M
3:30:29
Rank: #23699 (+109)
30K → 20M
14:51 | 10:56/mi
21M
3:42:17
Rank: #23633 (+66)
20M → 21M
11:48 | 11:48/mi
35K· 21.75 mi
3:50:15
Rank: #23605 (+28)
21M → 35K
7:58 | 10:39/mi
23M
4:03:59
Rank: #23546 (+59)
35K → 23M
13:44 | 10:58/mi
24M
4:14:40
Rank: #23516 (+30)
23M → 24M
10:41 | 10:41/mi
40K· 24.85 mi
4:24:09
Rank: #23482 (+34)
24M → 40K
9:29 | 11:05/mi
25.2M
4:28:18
Rank: #23454 (+28)
40K → 25.2M
4:09 | 12:02/mi
Finish· 26.22 mi
4:38:31
Rank: #23412 (+42)
25.2M → Finish
10:13 | 10:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:15
Pace10:24 /mi
2nd Half
Distance13.11 mi
Time2:22:16
Pace10:51 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3132:4010:3132:40
10:31
-
10K
6.21 mi12:23:361:04:4510:2532:05
10:20
-0:11
15K
9.32 mi12:55:281:36:3710:2231:52
10:15
-0:05
20K
12.43 mi13:28:082:09:1710:2432:40
10:31
+0:16
Half
13.11 mi13:35:062:16:1510:246:58
10:13
-0:18
25K
15.53 mi14:00:222:41:3110:2425:16
10:25
+0:12
30K
18.64 mi14:34:293:15:3810:3034:07
10:59
+0:34
20M
20.00 mi14:49:203:30:2910:3114:51
10:56
-0:03
21M
21.00 mi15:01:083:42:1710:3511:48
11:48
+0:52
35K
21.75 mi15:09:063:50:1510:357:58
10:39
-1:09
23M
23.00 mi15:22:504:03:5910:3613:44
10:58
+0:19
24M
24.00 mi15:33:314:14:4010:3710:41
10:41
-0:17
40K
24.85 mi15:43:004:24:0910:389:29
11:05
+0:24
25.2M
25.20 mi15:47:094:28:1810:394:09
12:02
+0:57
Finish
26.22 mi15:57:224:38:3110:3810:13
10:02
-2:00

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

10:02 /mi

Average Pace

10:38 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:13:05

91% of race

Time at Steady Pace

21:17

8% of race

Time at Slower Pace

4:09

1% of race

Average Pace: 10:37 /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 mi11:51:3132:4010:3132:40
10:31
#24742
10K
6.21 mi12:23:361:04:4510:2532:05
10:20
#24528
15K
9.32 mi12:55:281:36:3710:2231:52
10:15
#24357
20K
12.43 mi13:28:082:09:1710:2432:40
10:31
#24226
Half
13.11 mi13:35:062:16:1510:246:58
10:13
#24185
25K
15.53 mi14:00:222:41:3110:2425:16
10:25
#23967
30K
18.64 mi14:34:293:15:3810:3034:07
10:59
#23808
20M
20.00 mi14:49:203:30:2910:3114:51
10:56
#23699
21M
21.00 mi15:01:083:42:1710:3511:48
11:48
#23633
35K
21.75 mi15:09:063:50:1510:357:58
10:39
#23605
23M
23.00 mi15:22:504:03:5910:3613:44
10:58
#23546
24M
24.00 mi15:33:314:14:4010:3710:41
10:41
#23516
40K
24.85 mi15:43:004:24:0910:389:29
11:05
#23482
25.2M
25.20 mi15:47:094:28:1810:394:09
12:02
#23454
Finish
26.22 mi15:57:224:38:3110:3810:13
10:02
#23412
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24742144231442323995(Top 90%)14087(Top 93%)14087(Top 267%)
10K6.21 mi3.10 mi24528+21414330+9314330+9324345(Top 91%)14237(Top 94%)14237(Top 269%)
15K9.32 mi3.11 mi24357+17114253+7714253+7723995(Top 90%)14087(Top 93%)14087(Top 267%)
20K12.43 mi3.11 mi24226+13114186+6714186+6723855(Top 90%)14008(Top 92%)14008(Top 265%)
Half13.11 mi0.68 mi24185+4114167+1914167+1923679(Top 89%)13928(Top 92%)13928(Top 264%)
25K15.53 mi2.42 mi23967+21814066+10114066+10123035(Top 87%)13604(Top 90%)13604(Top 257%)
30K18.64 mi3.11 mi23808+15913974+9213974+9223066(Top 87%)13554(Top 89%)13554(Top 256%)
20M20.00 mi1.36 mi23699+10913911+6313911+6322576(Top 85%)13271(Top 87%)13271(Top 251%)
21M21.00 mi1.00 mi23633+6613876+3513876+3522418(Top 84%)13165(Top 87%)13165(Top 249%)
35K21.75 mi0.75 mi23605+2813860+1613860+1622671(Top 85%)13247(Top 87%)13247(Top 251%)
23M23.00 mi1.25 mi23546+5913827+3313827+3322281(Top 84%)13057(Top 86%)13057(Top 247%)
24M24.00 mi1.00 mi23516+3013801+2613801+2622415(Top 84%)13076(Top 86%)13076(Top 247%)
40K24.85 mi0.85 mi23482+3413773+2813773+2822533(Top 85%)13101(Top 86%)13101(Top 248%)
25.2M25.20 mi0.35 mi23454+2813752+2113752+2122558(Top 85%)13113(Top 86%)13113(Top 248%)
Finish26.22 mi1.02 mi23412+4213721+3113721+3121823(Top 82%)12783(Top 84%)12783(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

23995

Males

14087

M18-39

14087

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

24345

Males

14237

M18-39

14237

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

23995

Males

14087

M18-39

14087

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

23855

Males

14008

M18-39

14008

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

23679

Males

13928

M18-39

13928

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23035

Males

13604

M18-39

13604

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23066

Males

13554

M18-39

13554

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22576

Males

13271

M18-39

13271

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22418

Males

13165

M18-39

13165

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22671

Males

13247

M18-39

13247

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22281

Males

13057

M18-39

13057

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22415

Males

13076

M18-39

13076

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22533

Males

13101

M18-39

13101

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22558

Males

13113

M18-39

13113

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21823

Males

12783

M18-39

12783

Passing Analysis

Category:
Athletes Passed
1692
Passed By
362
Net Change
+1330
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24742
5K → 10K329115+214#24742#24528
10K → 15K22352+171#24528#24357
15K → 20K17241+131#24357#24226
20K → Half454+41#24226#24185
Half → 25K22911+218#24185#23967
25K → 30K19940+159#23967#23808
30K → 20M1178+109#23808#23699
20M → 21M7812+66#23699#23633
21M → 35K379+28#23633#23605
35K → 23M7516+59#23605#23546
23M → 24M4919+30#23546#23516
24M → 40K5117+34#23516#23482
40K → 25.2M335+28#23482#23454
25.2M → Finish5513+42#23454#23412
TOTALS1692362+1330
📊

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