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BOSTON MARATHON 2023

Craig Jerome

Bib: 11361•M

HI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 38%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:31/mi
23:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
46:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:09:09
↑ 67↓ 78
20K· 12.43 mi
7:30/mi
1:32:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:37:25
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:55:47
↑ 66↓ 880.2%
30K· 18.64 mi
7:50/mi
2:20:06
↑ 181↓ 1480.2%
20M
8:03/mi
2:31:02
↑ 64↓ 500.2%
21M
8:49/mi
2:39:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:45:34
↑ 17↓ 861.7%
23M
7:56/mi
2:55:30
↑ 23↓ 630.6%
24M
7:44/mi
3:03:14
↓ 821.3%
40K· 24.85 mi
7:44/mi
3:09:51
↓ 200.3%
25.2M
8:04/mi
3:12:38
↑ 13↓ 160.2%
Finish· 26.22 mi
7:13/mi
3:19:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:25
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:42:34
Pace7:49 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2623:217:3123:21
7:31
-
10K
6.21 mi11:13:2146:167:2722:55
7:23
-0:08
15K
9.32 mi11:36:141:09:097:2522:53
7:22
-0:01
20K
12.43 mi11:59:321:32:277:2623:18
7:30
+0:08
Half
13.11 mi12:04:301:37:257:264:58
7:17
-0:13
25K
15.53 mi12:22:521:55:477:2718:22
7:35
+0:18
30K
18.64 mi12:47:112:20:067:3124:19
7:50
+0:15
20M
20.00 mi12:58:072:31:027:3310:56
8:03
+0:13
21M
21.00 mi13:06:562:39:517:378:49
8:49
+0:46
35K
21.75 mi13:12:392:45:347:375:43
7:38
-1:11
23M
23.00 mi13:22:352:55:307:389:56
7:56
+0:18
24M
24.00 mi13:30:193:03:147:387:44
7:44
-0:12
40K
24.85 mi13:36:563:09:517:386:37
7:44
0:00
25.2M
25.20 mi13:39:433:12:387:392:47
8:04
+0:20
Finish
26.22 mi13:47:043:19:597:387:21
7:13
-0:51

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

7:13 /mi

Average Pace

7:38 /mi

Slowest Pace

8:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:07

29% of race

Time at Steady Pace

1:25:05

43% of race

Time at Slower Pace

56:47

28% of race

Average Pace: 7:38 /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 mi10:50:2623:217:3123:21
7:31
#9781
10K
6.21 mi11:13:2146:167:2722:55
7:23
#9560
15K
9.32 mi11:36:141:09:097:2522:53
7:22
#9353
20K
12.43 mi11:59:321:32:277:2623:18
7:30
#9324
Half
13.11 mi12:04:301:37:257:264:58
7:17
#9264
25K
15.53 mi12:22:521:55:477:2718:22
7:35
#9267
30K
18.64 mi12:47:112:20:067:3124:19
7:50
#9281
20M
20.00 mi12:58:072:31:027:3310:56
8:03
#9377
21M
21.00 mi13:06:562:39:517:378:49
8:49
#9531
35K
21.75 mi13:12:392:45:347:375:43
7:38
#9520
23M
23.00 mi13:22:352:55:307:389:56
7:56
#9452
24M
24.00 mi13:30:193:03:147:387:44
7:44
#9443
40K
24.85 mi13:36:563:09:517:386:37
7:44
#9365
25.2M
25.20 mi13:39:433:12:387:392:47
8:04
#9310
Finish
26.22 mi13:47:043:19:597:387:21
7:13
#9190
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9781801780179078(Top 34%)7582(Top 50%)7582(Top 337%)
10K6.21 mi3.10 mi9560+2217908+1097908+1099443(Top 35%)7822(Top 52%)7822(Top 347%)
15K9.32 mi3.11 mi9353+2077780+1287780+1289078(Top 34%)7582(Top 50%)7582(Top 337%)
20K12.43 mi3.11 mi9324+297742+387742+389325(Top 35%)7695(Top 51%)7695(Top 342%)
Half13.11 mi0.68 mi9264+607704+387704+388545(Top 32%)7213(Top 48%)7213(Top 320%)
25K15.53 mi2.42 mi9267-37703+17703+19374(Top 35%)7640(Top 50%)7640(Top 339%)
30K18.64 mi3.11 mi9281-147672+317672+319591(Top 36%)7612(Top 50%)7612(Top 338%)
20M20.00 mi1.36 mi9377-967701-297701-2910649(Top 40%)8063(Top 53%)8063(Top 358%)
21M21.00 mi1.00 mi9531-1547775-747775-7412410(Top 47%)8747(Top 58%)8747(Top 388%)
35K21.75 mi0.75 mi9520+117752+237752+239633(Top 36%)7408(Top 49%)7408(Top 329%)
23M23.00 mi1.25 mi9452+687693+597693+599345(Top 35%)7132(Top 47%)7132(Top 317%)
24M24.00 mi1.00 mi9443+97656+377656+379366(Top 35%)7064(Top 47%)7064(Top 314%)
40K24.85 mi0.85 mi9365+787578+787578+788307(Top 31%)6413(Top 42%)6413(Top 285%)
25.2M25.20 mi0.35 mi9310+557538+407538+407052(Top 26%)5572(Top 37%)5572(Top 247%)
Finish26.22 mi1.02 mi9190+1207444+947444+946574(Top 25%)5285(Top 35%)5285(Top 235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9078

Males

7582

M45-49

7582

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9443

Males

7822

M45-49

7822

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9078

Males

7582

M45-49

7582

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9325

Males

7695

M45-49

7695

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8545

Males

7213

M45-49

7213

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9374

Males

7640

M45-49

7640

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9591

Males

7612

M45-49

7612

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10649

Males

8063

M45-49

8063

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

12410

Males

8747

M45-49

8747

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9633

Males

7408

M45-49

7408

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9345

Males

7132

M45-49

7132

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9366

Males

7064

M45-49

7064

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8307

Males

6413

M45-49

6413

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7052

Males

5572

M45-49

5572

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6574

Males

5285

M45-49

5285

Passing Analysis

Category:
Athletes Passed
1838
Passed By
1247
Net Change
+591
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9781
5K → 10K426205+221#9781#9560
10K → 15K27770+207#9560#9353
15K → 20K156127+29#9353#9324
20K → Half666+60#9324#9264
Half → 25K113116-3#9264#9267
25K → 30K164178-14#9267#9281
30K → 20M48144-96#9281#9377
20M → 21M50204-154#9377#9531
21M → 35K5443+11#9531#9520
35K → 23M11547+68#9520#9452
23M → 24M7061+9#9452#9443
24M → 40K10527+78#9443#9365
40K → 25.2M616+55#9365#9310
25.2M → Finish13313+120#9310#9190
TOTALS18381247+591
📊

Passing Visuals

Category:
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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