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BOSTON MARATHON 2023

Jack Lovejoy

Bib: 3935•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
Masters (Masters Men)
#0 / 9891
Top 15%
Division (M40-44)
#0 / 2241
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:05
Rank: #2100
Start → 5K
20:05 | 6:28/mi
10K· 6.21 mi
39:24
Rank: #1758 (+342)
5K → 10K
19:19 | 6:13/mi
15K· 9.32 mi
58:48
Rank: #1628 (+130)
10K → 15K
19:24 | 6:15/mi
20K· 12.43 mi
1:18:15
Rank: #1512 (+116)
15K → 20K
19:27 | 6:16/mi
Half· 13.11 mi
1:22:29
Rank: #1496 (+16)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:37:54
Rank: #1498 (-2)
Half → 25K
15:25 | 6:22/mi
30K· 18.64 mi
1:58:09
Rank: #1495 (+3)
25K → 30K
20:15 | 6:31/mi
20M
2:07:36
Rank: #1610 (-115)
30K → 20M
9:27 | 6:57/mi
21M
2:15:11
Rank: #1713 (-103)
20M → 21M
7:35 | 7:35/mi
35K· 21.75 mi
2:22:21
Rank: #2229 (-516)
21M → 35K
7:10 | 9:35/mi
23M
2:33:51
Rank: #2914 (-685)
35K → 23M
11:30 | 9:11/mi
24M
2:42:53
Rank: #3611 (-697)
23M → 24M
9:02 | 9:02/mi
40K· 24.85 mi
2:50:47
Rank: #4285 (-674)
24M → 40K
7:54 | 9:14/mi
25.2M
2:53:54
Rank: #4414 (-129)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:02:18
Rank: #4684 (-270)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:29
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:39:49
Pace7:37 /mi
📊Positive Split: 21.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1720:056:2820:05
6:28
-
10K
6.21 mi10:40:3639:246:2019:19
6:13
-0:15
15K
9.32 mi11:00:0058:486:1919:24
6:15
+0:02
20K
12.43 mi11:19:271:18:156:1819:27
6:16
+0:01
Half
13.11 mi11:23:411:22:296:184:14
6:12
-0:04
25K
15.53 mi11:39:061:37:546:1815:25
6:22
+0:10
30K
18.64 mi11:59:211:58:096:2020:15
6:31
+0:09
20M
20.00 mi12:08:482:07:366:239:27
6:57
+0:26
21M
21.00 mi12:16:232:15:116:267:35
7:35
+0:38
35K
21.75 mi12:23:332:22:216:337:10
9:35
+2:00
23M
23.00 mi12:35:032:33:516:4111:30
9:11
-0:24
24M
24.00 mi12:44:052:42:536:479:02
9:02
-0:09
40K
24.85 mi12:51:592:50:476:527:54
9:14
+0:12
25.2M
25.20 mi12:55:062:53:546:543:07
9:02
-0:12
Finish
26.22 mi13:03:303:02:186:578:24
8:15
-0:47

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

6:12 /mi

Average Pace

6:57 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:02:24

34% of race

Time at Steady Pace

1:12:47

40% of race

Time at Slower Pace

47:07

26% of race

Average Pace: 6:57 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:1720:056:2820:05
6:28
#2100
10K
6.21 mi10:40:3639:246:2019:19
6:13
#1758
15K
9.32 mi11:00:0058:486:1919:24
6:15
#1628
20K
12.43 mi11:19:271:18:156:1819:27
6:16
#1512
Half
13.11 mi11:23:411:22:296:184:14
6:12
#1496
25K
15.53 mi11:39:061:37:546:1815:25
6:22
#1498
30K
18.64 mi11:59:211:58:096:2020:15
6:31
#1495
20M
20.00 mi12:08:482:07:366:239:27
6:57
#1610
21M
21.00 mi12:16:232:15:116:267:35
7:35
#1713
35K
21.75 mi12:23:332:22:216:337:10
9:35
#2229
23M
23.00 mi12:35:032:33:516:4111:30
9:11
#2914
24M
24.00 mi12:44:052:42:536:479:02
9:02
#3611
40K
24.85 mi12:51:592:50:476:527:54
9:14
#4285
25.2M
25.20 mi12:55:062:53:546:543:07
9:02
#4414
Finish
26.22 mi13:03:303:02:186:578:24
8:15
#4684
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2100200520051416(Top 5%)1349(Top 9%)1349(Top 60%)
10K6.21 mi3.10 mi1758+3421680+3251680+3251423(Top 5%)1358(Top 9%)1358(Top 61%)
15K9.32 mi3.11 mi1628+1301555+1251555+1251416(Top 5%)1349(Top 9%)1349(Top 60%)
20K12.43 mi3.11 mi1512+1161444+1111444+1111262(Top 5%)1208(Top 8%)1208(Top 54%)
Half13.11 mi0.68 mi1496+161428+161428+161432(Top 5%)1372(Top 9%)1372(Top 61%)
25K15.53 mi2.42 mi1498-21431-31431-31564(Top 6%)1499(Top 10%)1499(Top 67%)
30K18.64 mi3.11 mi1495+31429+21429+21638(Top 6%)1566(Top 10%)1566(Top 70%)
20M20.00 mi1.36 mi1610-1151539-1101539-1103753(Top 14%)3497(Top 23%)3497(Top 156%)
21M21.00 mi1.00 mi1713-1031639-1001639-1004980(Top 19%)4458(Top 29%)4458(Top 199%)
35K21.75 mi0.75 mi2229-5162136-4972136-49720063(Top 75%)12064(Top 79%)12064(Top 538%)
23M23.00 mi1.25 mi2914-6852772-6362772-63616947(Top 64%)10656(Top 70%)10656(Top 476%)
24M24.00 mi1.00 mi3611-6973407-6353407-63517356(Top 65%)10776(Top 71%)10776(Top 481%)
40K24.85 mi0.85 mi4285-6744004-5974004-59717232(Top 65%)10670(Top 70%)10670(Top 476%)
25.2M25.20 mi0.35 mi4414-1294117-1134117-11312627(Top 47%)8540(Top 56%)8540(Top 381%)
Finish26.22 mi1.02 mi4684-2704332-2154332-21513675(Top 51%)9080(Top 60%)9080(Top 405%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1416

Males

1349

M40-44

1349

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1423

Males

1358

M40-44

1358

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1416

Males

1349

M40-44

1349

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1262

Males

1208

M40-44

1208

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1432

Males

1372

M40-44

1372

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1564

Males

1499

M40-44

1499

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1638

Males

1566

M40-44

1566

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3753

Males

3497

M40-44

3497

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

4980

Males

4458

M40-44

4458

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

20063

Males

12064

M40-44

12064

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

16947

Males

10656

M40-44

10656

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17356

Males

10776

M40-44

10776

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17232

Males

10670

M40-44

10670

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12627

Males

8540

M40-44

8540

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13675

Males

9080

M40-44

9080

Passing Analysis

Category:
Athletes Passed
762
Passed By
3346
Net Change
-2584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2100
5K → 10K35412+342#2100#1758
10K → 15K14313+130#1758#1628
15K → 20K1237+116#1628#1512
20K → Half204+16#1512#1496
Half → 25K4042-2#1496#1498
25K → 30K5653+3#1498#1495
30K → 20M2117-115#1495#1610
20M → 21M6109-103#1610#1713
21M → 35K0516-516#1713#2229
35K → 23M3688-685#2229#2914
23M → 24M0697-697#2914#3611
24M → 40K4678-674#3611#4285
40K → 25.2M5134-129#4285#4414
25.2M → Finish6276-270#4414#4684
TOTALS7623346-2584
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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