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BOSTON MARATHON 2023

Erik Roberts

Bib: 7537•M

TN

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
27:40
Rank: #20009
Start → 5K
27:40 | 8:54/mi
10K· 6.21 mi
1:00:33
Rank: #23014 (-3005)
5K → 10K
32:53 | 10:35/mi
15K· 9.32 mi
1:30:54
Rank: #23013 (+1)
10K → 15K
30:21 | 9:46/mi
20K· 12.43 mi
2:03:39
Rank: #23318 (-305)
15K → 20K
32:45 | 10:32/mi
Half· 13.11 mi
2:09:34
Rank: #23140 (+178)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:32:15
Rank: #22718 (+422)
Half → 25K
22:41 | 9:21/mi
30K· 18.64 mi
3:00:59
Rank: #22090 (+628)
25K → 30K
28:44 | 9:15/mi
20M
3:13:39
Rank: #21816 (+274)
30K → 20M
12:40 | 9:19/mi
21M
3:23:31
Rank: #21619 (+197)
20M → 21M
9:52 | 9:52/mi
35K· 21.75 mi
3:29:24
Rank: #21386 (+233)
21M → 35K
5:53 | 7:52/mi
23M
3:40:15
Rank: #21044 (+342)
35K → 23M
10:51 | 8:40/mi
24M
3:48:57
Rank: #20840 (+204)
23M → 24M
8:42 | 8:42/mi
40K· 24.85 mi
3:56:18
Rank: #20654 (+186)
24M → 40K
7:21 | 8:36/mi
25.2M
3:59:29
Rank: #20578 (+76)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
4:08:09
Rank: #20413 (+165)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:09:34
Pace9:53 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:58:35
Pace9:03 /mi
📊Negative Split: 8.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:33:4727:408:5427:40
8:54
-
10K
6.21 mi11:06:401:00:339:4532:53
10:35
+1:41
15K
9.32 mi11:37:011:30:549:4530:21
9:46
-0:49
20K
12.43 mi12:09:462:03:399:5732:45
10:32
+0:46
Half
13.11 mi12:15:412:09:349:535:55
8:40
-1:52
25K
15.53 mi12:38:222:32:159:4822:41
9:21
+0:41
30K
18.64 mi13:07:063:00:599:4328:44
9:15
-0:06
20M
20.00 mi13:19:463:13:399:4112:40
9:19
+0:04
21M
21.00 mi13:29:383:23:319:419:52
9:52
+0:33
35K
21.75 mi13:35:313:29:249:385:53
7:52
-2:00
23M
23.00 mi13:46:223:40:159:3510:51
8:40
+0:48
24M
24.00 mi13:55:043:48:579:328:42
8:42
+0:02
40K
24.85 mi14:02:253:56:189:307:21
8:36
-0:06
25.2M
25.20 mi14:05:363:59:299:303:11
9:14
+0:38
Finish
26.22 mi14:14:164:08:099:288:40
8:30
-0:44

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

7:52 /mi

Average Pace

9:28 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:22

19% of race

Time at Steady Pace

1:34:56

38% of race

Time at Slower Pace

1:45:51

43% of race

Average Pace: 9:28 /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 mi10:33:4727:408:5427:40
8:54
#20009
10K
6.21 mi11:06:401:00:339:4532:53
10:35
#23014
15K
9.32 mi11:37:011:30:549:4530:21
9:46
#23013
20K
12.43 mi12:09:462:03:399:5732:45
10:32
#23318
Half
13.11 mi12:15:412:09:349:535:55
8:40
#23140
25K
15.53 mi12:38:222:32:159:4822:41
9:21
#22718
30K
18.64 mi13:07:063:00:599:4328:44
9:15
#22090
20M
20.00 mi13:19:463:13:399:4112:40
9:19
#21816
21M
21.00 mi13:29:383:23:319:419:52
9:52
#21619
35K
21.75 mi13:35:313:29:249:385:53
7:52
#21386
23M
23.00 mi13:46:223:40:159:3510:51
8:40
#21044
24M
24.00 mi13:55:043:48:579:328:42
8:42
#20840
40K
24.85 mi14:02:253:56:189:307:21
8:36
#20654
25.2M
25.20 mi14:05:363:59:299:303:11
9:14
#20578
Finish
26.22 mi14:14:164:08:099:288:40
8:30
#20413
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20009121671216722958(Top 86%)13614(Top 90%)13614(Top 258%)
10K6.21 mi3.10 mi23014-300513620-145313620-145324819(Top 93%)14459(Top 95%)14459(Top 274%)
15K9.32 mi3.11 mi23013+113624-413624-422958(Top 86%)13614(Top 90%)13614(Top 258%)
20K12.43 mi3.11 mi23318-30513780-15613780-15623899(Top 90%)14032(Top 92%)14032(Top 266%)
Half13.11 mi0.68 mi23140+17813696+8413696+8418761(Top 70%)11816(Top 78%)11816(Top 224%)
25K15.53 mi2.42 mi22718+42213479+21713479+21720366(Top 77%)12433(Top 82%)12433(Top 235%)
30K18.64 mi3.11 mi22090+62813182+29713182+29718394(Top 69%)11516(Top 76%)11516(Top 218%)
20M20.00 mi1.36 mi21816+27413052+13013052+13018110(Top 68%)11293(Top 74%)11293(Top 214%)
21M21.00 mi1.00 mi21619+19712954+9812954+9817508(Top 66%)11009(Top 73%)11009(Top 208%)
35K21.75 mi0.75 mi21386+23312840+11412840+11411130(Top 42%)8199(Top 54%)8199(Top 155%)
23M23.00 mi1.25 mi21044+34212665+17512665+17514172(Top 53%)9452(Top 62%)9452(Top 179%)
24M24.00 mi1.00 mi20840+20412563+10212563+10215659(Top 59%)10029(Top 66%)10029(Top 190%)
40K24.85 mi0.85 mi20654+18612472+9112472+9113929(Top 52%)9219(Top 61%)9219(Top 174%)
25.2M25.20 mi0.35 mi20578+7612436+3612436+3613800(Top 52%)9168(Top 60%)9168(Top 173%)
Finish26.22 mi1.02 mi20413+16512357+7912357+7915450(Top 58%)9935(Top 65%)9935(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22958

Males

13614

M18-39

13614

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

24819

Males

14459

M18-39

14459

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22958

Males

13614

M18-39

13614

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

23899

Males

14032

M18-39

14032

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18761

Males

11816

M18-39

11816

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20366

Males

12433

M18-39

12433

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18394

Males

11516

M18-39

11516

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18110

Males

11293

M18-39

11293

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17508

Males

11009

M18-39

11009

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11130

Males

8199

M18-39

8199

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14172

Males

9452

M18-39

9452

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15659

Males

10029

M18-39

10029

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13929

Males

9219

M18-39

9219

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13800

Males

9168

M18-39

9168

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15450

Males

9935

M18-39

9935

Passing Analysis

Category:
Athletes Passed
3102
Passed By
3506
Net Change
-404
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20009
5K → 10K23007-3005#20009#23014
10K → 15K140139+1#23014#23013
15K → 20K48353-305#23013#23318
20K → Half1780+178#23318#23140
Half → 25K4231+422#23140#22718
25K → 30K6280+628#22718#22090
30K → 20M2751+274#22090#21816
20M → 21M1970+197#21816#21619
21M → 35K2330+233#21619#21386
35K → 23M3420+342#21386#21044
23M → 24M2051+204#21044#20840
24M → 40K1871+186#20840#20654
40K → 25.2M760+76#20654#20578
25.2M → Finish1683+165#20578#20413
TOTALS31023506-404
📊

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