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BOSTON MARATHON 2023

Jerome Lim

Bib: 6760•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 46%
Masters (Masters Men)
#0 / 9891
Top 34%
Division (M50-54)
#0 / 2052
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:49
Rank: #6383
Start → 5K
21:49 | 7:01/mi
10K· 6.21 mi
43:25
Rank: #6438 (-55)
5K → 10K
21:36 | 6:57/mi
15K· 9.32 mi
1:05:13
Rank: #6500 (-62)
10K → 15K
21:48 | 7:01/mi
20K· 12.43 mi
1:27:48
Rank: #6737 (-237)
15K → 20K
22:35 | 7:16/mi
Half· 13.11 mi
1:34:07
Rank: #7410 (-673)
20K → Half
6:19 | 9:16/mi
25K· 15.53 mi
1:51:45
Rank: #7333 (+77)
Half → 25K
17:38 | 7:16/mi
30K· 18.64 mi
2:16:01
Rank: #7622 (-289)
25K → 30K
24:16 | 7:49/mi
20M
2:26:44
Rank: #7709 (-87)
30K → 20M
10:43 | 7:53/mi
21M
2:34:55
Rank: #7689 (+20)
20M → 21M
8:11 | 8:11/mi
35K· 21.75 mi
2:40:43
Rank: #7773 (-84)
21M → 35K
5:48 | 7:45/mi
23M
2:51:07
Rank: #7999 (-226)
35K → 23M
10:24 | 8:18/mi
24M
2:59:17
Rank: #8163 (-164)
23M → 24M
8:10 | 8:10/mi
40K· 24.85 mi
3:06:12
Rank: #8255 (-92)
24M → 40K
6:55 | 8:05/mi
25.2M
3:09:15
Rank: #8293 (-38)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:17:25
Rank: #8432 (-139)
25.2M → Finish
8:10 | 8:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:07
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:43:18
Pace7:53 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4621:497:0121:49
7:01
-
10K
6.21 mi10:47:2243:256:5921:36
6:57
-0:04
15K
9.32 mi11:09:101:05:137:0021:48
7:01
+0:04
20K
12.43 mi11:31:451:27:487:0422:35
7:16
+0:15
Half
13.11 mi11:38:041:34:077:116:19
9:16
+2:00
25K
15.53 mi11:55:421:51:457:1217:38
7:16
-2:00
30K
18.64 mi12:19:582:16:017:1824:16
7:49
+0:33
20M
20.00 mi12:30:412:26:447:2010:43
7:53
+0:04
21M
21.00 mi12:38:522:34:557:238:11
8:11
+0:18
35K
21.75 mi12:44:402:40:437:235:48
7:45
-0:26
23M
23.00 mi12:55:042:51:077:2610:24
8:18
+0:33
24M
24.00 mi13:03:142:59:177:288:10
8:10
-0:08
40K
24.85 mi13:10:093:06:127:296:55
8:05
-0:05
25.2M
25.20 mi13:13:123:09:157:313:03
8:51
+0:46
Finish
26.22 mi13:21:223:17:257:328:10
8:01
-0:50

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

6:57 /mi

Average Pace

7:32 /mi

Slowest Pace

9:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:26

53% of race

Time at Steady Pace

1:12:13

37% of race

Time at Slower Pace

19:46

10% of race

Average Pace: 7:32 /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 mi10:25:4621:497:0121:49
7:01
#6383
10K
6.21 mi10:47:2243:256:5921:36
6:57
#6438
15K
9.32 mi11:09:101:05:137:0021:48
7:01
#6500
20K
12.43 mi11:31:451:27:487:0422:35
7:16
#6737
Half
13.11 mi11:38:041:34:077:116:19
9:16
#7410
25K
15.53 mi11:55:421:51:457:1217:38
7:16
#7333
30K
18.64 mi12:19:582:16:017:1824:16
7:49
#7622
20M
20.00 mi12:30:412:26:447:2010:43
7:53
#7709
21M
21.00 mi12:38:522:34:557:238:11
8:11
#7689
35K
21.75 mi12:44:402:40:437:235:48
7:45
#7773
23M
23.00 mi12:55:042:51:077:2610:24
8:18
#7999
24M
24.00 mi13:03:142:59:177:288:10
8:10
#8163
40K
24.85 mi13:10:093:06:127:296:55
8:05
#8255
25.2M
25.20 mi13:13:123:09:157:313:03
8:51
#8293
Finish
26.22 mi13:21:223:17:257:328:10
8:01
#8432
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6383580258026662(Top 25%)5986(Top 39%)5986(Top 292%)
10K6.21 mi3.10 mi6438-555819-175819-176504(Top 24%)5858(Top 39%)5858(Top 285%)
15K9.32 mi3.11 mi6500-625870-515870-516662(Top 25%)5986(Top 39%)5986(Top 292%)
20K12.43 mi3.11 mi6737-2376047-1776047-1777559(Top 28%)6603(Top 44%)6603(Top 322%)
Half13.11 mi0.68 mi7410-6736544-4976544-49721319(Top 80%)12870(Top 85%)12870(Top 627%)
25K15.53 mi2.42 mi7333+776480+646480+647115(Top 27%)6233(Top 41%)6233(Top 304%)
30K18.64 mi3.11 mi7622-2896643-1636643-1639426(Top 35%)7512(Top 49%)7512(Top 366%)
20M20.00 mi1.36 mi7709-876676-336676-339439(Top 35%)7430(Top 49%)7430(Top 362%)
21M21.00 mi1.00 mi7689+206639+376639+378508(Top 32%)6775(Top 45%)6775(Top 330%)
35K21.75 mi0.75 mi7773-846693-546693-5410248(Top 38%)7741(Top 51%)7741(Top 377%)
23M23.00 mi1.25 mi7999-2266801-1086801-10811897(Top 45%)8415(Top 55%)8415(Top 410%)
24M24.00 mi1.00 mi8163-1646888-876888-8712329(Top 46%)8540(Top 56%)8540(Top 416%)
40K24.85 mi0.85 mi8255-926926-386926-3810609(Top 40%)7650(Top 50%)7650(Top 373%)
25.2M25.20 mi0.35 mi8293-386941-156941-1511491(Top 43%)8005(Top 53%)8005(Top 390%)
Finish26.22 mi1.02 mi8432-1397006-657006-6512191(Top 46%)8366(Top 55%)8366(Top 408%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6662

Males

5986

M50-54

5986

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6504

Males

5858

M50-54

5858

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6662

Males

5986

M50-54

5986

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7559

Males

6603

M50-54

6603

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21319

Males

12870

M50-54

12870

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7115

Males

6233

M50-54

6233

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9426

Males

7512

M50-54

7512

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9439

Males

7430

M50-54

7430

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8508

Males

6775

M50-54

6775

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10248

Males

7741

M50-54

7741

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11897

Males

8415

M50-54

8415

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12329

Males

8540

M50-54

8540

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10609

Males

7650

M50-54

7650

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11491

Males

8005

M50-54

8005

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12191

Males

8366

M50-54

8366

Passing Analysis

Category:
Athletes Passed
767
Passed By
2816
Net Change
-2049
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6383
5K → 10K163218-55#6383#6438
10K → 15K93155-62#6438#6500
15K → 20K43280-237#6500#6737
20K → Half0673-673#6737#7410
Half → 25K12144+77#7410#7333
25K → 30K61350-289#7333#7622
30K → 20M42129-87#7622#7709
20M → 21M7252+20#7709#7689
21M → 35K17101-84#7689#7773
35K → 23M39265-226#7773#7999
23M → 24M27191-164#7999#8163
24M → 40K41133-92#8163#8255
40K → 25.2M1250-38#8255#8293
25.2M → Finish36175-139#8293#8432
TOTALS7672816-2049
📊

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