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BOSTON MARATHON 2023

Adam Groff

Bib: 5563•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 21%
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
21:01
Rank: #4290
Start → 5K
21:01 | 6:46/mi
10K· 6.21 mi
41:25
Rank: #3652 (+638)
5K → 10K
20:24 | 6:34/mi
15K· 9.32 mi
1:01:58
Rank: #3542 (+110)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:22:29
Rank: #3351 (+191)
15K → 20K
20:31 | 6:36/mi
Half· 13.11 mi
1:27:01
Rank: #3371 (-20)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:11
Rank: #3296 (+75)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:04:37
Rank: #3325 (-29)
25K → 30K
21:26 | 6:54/mi
20M
2:13:54
Rank: #3253 (+72)
30K → 20M
9:17 | 6:50/mi
21M
2:21:00
Rank: #3188 (+65)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:26:13
Rank: #3256 (-68)
21M → 35K
5:13 | 6:58/mi
23M
2:35:13
Rank: #3327 (-71)
35K → 23M
9:00 | 7:11/mi
24M
2:42:12
Rank: #3384 (-57)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:48:14
Rank: #3408 (-24)
24M → 40K
6:02 | 7:03/mi
25.2M
2:50:47
Rank: #3407 (+1)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:57:21
Rank: #3291 (+116)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:01
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:30:20
Pace6:53 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3121:016:4621:01
6:46
-
10K
6.21 mi10:43:5541:256:4020:24
6:34
-0:12
15K
9.32 mi11:04:281:01:586:3920:33
6:37
+0:03
20K
12.43 mi11:24:591:22:296:3820:31
6:36
-0:01
Half
13.11 mi11:29:311:27:016:384:32
6:39
+0:03
25K
15.53 mi11:45:411:43:116:3916:10
6:40
+0:01
30K
18.64 mi12:07:072:04:376:4121:26
6:54
+0:14
20M
20.00 mi12:16:242:13:546:429:17
6:50
-0:04
21M
21.00 mi12:23:302:21:006:437:06
7:06
+0:16
35K
21.75 mi12:28:432:26:136:435:13
6:58
-0:08
23M
23.00 mi12:37:432:35:136:459:00
7:11
+0:13
24M
24.00 mi12:44:422:42:126:466:59
6:59
-0:12
40K
24.85 mi12:50:442:48:146:466:02
7:03
+0:04
25.2M
25.20 mi12:53:172:50:476:472:33
7:24
+0:21
Finish
26.22 mi12:59:512:57:216:466:34
6:27
-0:57

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

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:42

89% of race

Time at Steady Pace

18:39

11% 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 mi10:23:3121:016:4621:01
6:46
#4290
10K
6.21 mi10:43:5541:256:4020:24
6:34
#3652
15K
9.32 mi11:04:281:01:586:3920:33
6:37
#3542
20K
12.43 mi11:24:591:22:296:3820:31
6:36
#3351
Half
13.11 mi11:29:311:27:016:384:32
6:39
#3371
25K
15.53 mi11:45:411:43:116:3916:10
6:40
#3296
30K
18.64 mi12:07:072:04:376:4121:26
6:54
#3325
20M
20.00 mi12:16:242:13:546:429:17
6:50
#3253
21M
21.00 mi12:23:302:21:006:437:06
7:06
#3188
35K
21.75 mi12:28:432:26:136:435:13
6:58
#3256
23M
23.00 mi12:37:432:35:136:459:00
7:11
#3327
24M
24.00 mi12:44:422:42:126:466:59
6:59
#3384
40K
24.85 mi12:50:442:48:146:466:02
7:03
#3408
25.2M
25.20 mi12:53:172:50:476:472:33
7:24
#3407
Finish
26.22 mi12:59:512:57:216:466:34
6:27
#3291
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4290400840083406(Top 13%)3231(Top 21%)3231(Top 143%)
10K6.21 mi3.10 mi3652+6383445+5633445+5633241(Top 12%)3087(Top 20%)3087(Top 137%)
15K9.32 mi3.11 mi3542+1103350+953350+953406(Top 13%)3231(Top 21%)3231(Top 143%)
20K12.43 mi3.11 mi3351+1913181+1693181+1692879(Top 11%)2747(Top 18%)2747(Top 122%)
Half13.11 mi0.68 mi3371-203202-213202-213756(Top 14%)3540(Top 23%)3540(Top 157%)
25K15.53 mi2.42 mi3296+753137+653137+653123(Top 12%)2978(Top 20%)2978(Top 132%)
30K18.64 mi3.11 mi3325-293155-183155-183645(Top 14%)3424(Top 23%)3424(Top 152%)
20M20.00 mi1.36 mi3253+723086+693086+693022(Top 11%)2842(Top 19%)2842(Top 126%)
21M21.00 mi1.00 mi3188+653024+623024+622639(Top 10%)2485(Top 16%)2485(Top 110%)
35K21.75 mi0.75 mi3256-683084-603084-605136(Top 19%)4587(Top 30%)4587(Top 204%)
23M23.00 mi1.25 mi3327-713150-663150-664714(Top 18%)4243(Top 28%)4243(Top 188%)
24M24.00 mi1.00 mi3384-573202-523202-524570(Top 17%)4106(Top 27%)4106(Top 182%)
40K24.85 mi0.85 mi3408-243220-183220-184114(Top 15%)3675(Top 24%)3675(Top 163%)
25.2M25.20 mi0.35 mi3407+13218+23218+23364(Top 13%)3047(Top 20%)3047(Top 135%)
Finish26.22 mi1.02 mi3291+1163113+1053113+1052225(Top 8%)2065(Top 14%)2065(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3406

Males

3231

M45-49

3231

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3241

Males

3087

M45-49

3087

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3406

Males

3231

M45-49

3231

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2879

Males

2747

M45-49

2747

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3756

Males

3540

M45-49

3540

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3123

Males

2978

M45-49

2978

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3645

Males

3424

M45-49

3424

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3022

Males

2842

M45-49

2842

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2639

Males

2485

M45-49

2485

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5136

Males

4587

M45-49

4587

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4714

Males

4243

M45-49

4243

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4570

Males

4106

M45-49

4106

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4114

Males

3675

M45-49

3675

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3364

Males

3047

M45-49

3047

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2225

Males

2065

M45-49

2065

Passing Analysis

Category:
Athletes Passed
1670
Passed By
671
Net Change
+999
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4290
5K → 10K67436+638#4290#3652
10K → 15K16858+110#3652#3542
15K → 20K20211+191#3542#3351
20K → Half727-20#3351#3371
Half → 25K11136+75#3371#3296
25K → 30K80109-29#3296#3325
30K → 20M10129+72#3325#3253
20M → 21M7611+65#3253#3188
21M → 35K1482-68#3188#3256
35K → 23M40111-71#3256#3327
23M → 24M2582-57#3327#3384
24M → 40K3054-24#3384#3408
40K → 25.2M1918+1#3408#3407
25.2M → Finish1237+116#3407#3291
TOTALS1670671+999
📊

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