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BOSTON MARATHON 2023

David Groth

Bib: 11644•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 46%
Division (M55-59)
#0 / 1422
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:50
Rank: #11191
Start → 5K
23:50 | 7:40/mi
10K· 6.21 mi
47:34
Rank: #11383 (-192)
5K → 10K
23:44 | 7:38/mi
15K· 9.32 mi
1:11:32
Rank: #11567 (-184)
10K → 15K
23:58 | 7:43/mi
20K· 12.43 mi
1:35:57
Rank: #11694 (-127)
15K → 20K
24:25 | 7:52/mi
Half· 13.11 mi
1:41:11
Rank: #11694
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:00:13
Rank: #11605 (+89)
Half → 25K
19:02 | 7:51/mi
30K· 18.64 mi
2:25:17
Rank: #11549 (+56)
25K → 30K
25:04 | 8:04/mi
20M
2:36:14
Rank: #11461 (+88)
30K → 20M
10:57 | 8:03/mi
21M
2:44:44
Rank: #11365 (+96)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:50:27
Rank: #11290 (+75)
21M → 35K
5:43 | 7:38/mi
23M
3:00:28
Rank: #11175 (+115)
35K → 23M
10:01 | 8:00/mi
24M
3:08:30
Rank: #11187 (-12)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:15:31
Rank: #11172 (+15)
24M → 40K
7:01 | 8:12/mi
25.2M
3:18:33
Rank: #11162 (+10)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:26:20
Rank: #11062 (+100)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:11
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:45:09
Pace8:01 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5523:507:4023:50
7:40
-
10K
6.21 mi11:14:3947:347:3923:44
7:38
-0:02
15K
9.32 mi11:38:371:11:327:4023:58
7:43
+0:05
20K
12.43 mi12:03:021:35:577:4324:25
7:52
+0:09
Half
13.11 mi12:08:161:41:117:435:14
7:40
-0:12
25K
15.53 mi12:27:182:00:137:4419:02
7:51
+0:11
30K
18.64 mi12:52:222:25:177:4825:04
8:04
+0:13
20M
20.00 mi13:03:192:36:147:4910:57
8:03
-0:01
21M
21.00 mi13:11:492:44:447:518:30
8:30
+0:27
35K
21.75 mi13:17:322:50:277:505:43
7:38
-0:52
23M
23.00 mi13:27:333:00:287:5110:01
8:00
+0:22
24M
24.00 mi13:35:353:08:307:518:02
8:02
+0:02
40K
24.85 mi13:42:363:15:317:527:01
8:12
+0:10
25.2M
25.20 mi13:45:383:18:337:533:02
8:48
+0:36
Finish
26.22 mi13:53:253:26:207:537:47
7:38
-1:10

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

7:38 /mi

Average Pace

7:53 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:48

94% of race

Time at Steady Pace

11:32

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi10:50:5523:507:4023:50
7:40
#11191
10K
6.21 mi11:14:3947:347:3923:44
7:38
#11383
15K
9.32 mi11:38:371:11:327:4023:58
7:43
#11567
20K
12.43 mi12:03:021:35:577:4324:25
7:52
#11694
Half
13.11 mi12:08:161:41:117:435:14
7:40
#11694
25K
15.53 mi12:27:182:00:137:4419:02
7:51
#11605
30K
18.64 mi12:52:222:25:177:4825:04
8:04
#11549
20M
20.00 mi13:03:192:36:147:4910:57
8:03
#11461
21M
21.00 mi13:11:492:44:447:518:30
8:30
#11365
35K
21.75 mi13:17:322:50:277:505:43
7:38
#11290
23M
23.00 mi13:27:333:00:287:5110:01
8:00
#11175
24M
24.00 mi13:35:353:08:307:518:02
8:02
#11187
40K
24.85 mi13:42:363:15:317:527:01
8:12
#11172
25.2M
25.20 mi13:45:383:18:337:533:02
8:48
#11162
Finish
26.22 mi13:53:253:26:207:537:47
7:38
#11062
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi111918746874611945(Top 45%)9056(Top 60%)9056(Top 637%)
10K6.21 mi3.10 mi11383-1928830-848830-8411672(Top 44%)8970(Top 59%)8970(Top 631%)
15K9.32 mi3.11 mi11567-1848907-778907-7711945(Top 45%)9056(Top 60%)9056(Top 637%)
20K12.43 mi3.11 mi11694-1278936-298936-2912225(Top 46%)9107(Top 60%)9107(Top 640%)
Half13.11 mi0.68 mi116948941-58941-511563(Top 43%)8876(Top 58%)8876(Top 624%)
25K15.53 mi2.42 mi11605+898887+548887+5411496(Top 43%)8711(Top 57%)8711(Top 613%)
30K18.64 mi3.11 mi11549+568815+728815+7211415(Top 43%)8542(Top 56%)8542(Top 601%)
20M20.00 mi1.36 mi11461+888749+668749+6610687(Top 40%)8098(Top 53%)8098(Top 569%)
21M21.00 mi1.00 mi11365+968695+548695+5410480(Top 39%)7849(Top 52%)7849(Top 552%)
35K21.75 mi0.75 mi11290+758650+458650+459549(Top 36%)7386(Top 49%)7386(Top 519%)
23M23.00 mi1.25 mi11175+1158571+798571+799725(Top 37%)7348(Top 48%)7348(Top 517%)
24M24.00 mi1.00 mi11187-128554+178554+1711453(Top 43%)8129(Top 54%)8129(Top 572%)
40K24.85 mi0.85 mi11172+158520+348520+3411377(Top 43%)8011(Top 53%)8011(Top 563%)
25.2M25.20 mi0.35 mi11162+108499+218499+2111245(Top 42%)7908(Top 52%)7908(Top 556%)
Finish26.22 mi1.02 mi11062+1008424+758424+759538(Top 36%)7044(Top 46%)7044(Top 495%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11945

Males

9056

M55-59

9056

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11672

Males

8970

M55-59

8970

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11945

Males

9056

M55-59

9056

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12225

Males

9107

M55-59

9107

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11563

Males

8876

M55-59

8876

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11496

Males

8711

M55-59

8711

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11415

Males

8542

M55-59

8542

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10687

Males

8098

M55-59

8098

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10480

Males

7849

M55-59

7849

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9549

Males

7386

M55-59

7386

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9725

Males

7348

M55-59

7348

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11453

Males

8129

M55-59

8129

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11377

Males

8011

M55-59

8011

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11245

Males

7908

M55-59

7908

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9538

Males

7044

M55-59

7044

Passing Analysis

Category:
Athletes Passed
1680
Passed By
1551
Net Change
+129
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11191
5K → 10K222414-192#11191#11383
10K → 15K119303-184#11383#11567
15K → 20K118245-127#11567#11694
20K → Half27270#11694#11694
Half → 25K18798+89#11694#11605
25K → 30K199143+56#11605#11549
30K → 20M13042+88#11549#11461
20M → 21M14044+96#11461#11365
21M → 35K9520+75#11365#11290
35K → 23M14429+115#11290#11175
23M → 24M6981-12#11175#11187
24M → 40K6651+15#11187#11172
40K → 25.2M4232+10#11172#11162
25.2M → Finish12222+100#11162#11062
TOTALS16801551+129
📊

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