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BOSTON MARATHON 2023

Daniel Mclaughlin

Bib: 3950•M

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Division (M18-39)
#0 / 5285
Top 38%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:13
Rank: #4921
Start → 5K
21:13 | 6:50/mi
10K· 6.21 mi
42:09
Rank: #4816 (+105)
5K → 10K
20:56 | 6:44/mi
15K· 9.32 mi
1:02:55
Rank: #4501 (+315)
10K → 15K
20:46 | 6:41/mi
20K· 12.43 mi
1:23:44
Rank: #4225 (+276)
15K → 20K
20:49 | 6:42/mi
Half· 13.11 mi
1:28:10
Rank: #4132 (+93)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:44:30
Rank: #4029 (+103)
Half → 25K
16:20 | 6:44/mi
30K· 18.64 mi
2:05:32
Rank: #3719 (+310)
25K → 30K
21:02 | 6:46/mi
20M
2:14:44
Rank: #3588 (+131)
30K → 20M
9:12 | 6:46/mi
21M
2:21:36
Rank: #3382 (+206)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:26:22
Rank: #3292 (+90)
21M → 35K
4:46 | 6:22/mi
23M
2:34:38
Rank: #3147 (+145)
35K → 23M
8:16 | 6:36/mi
24M
2:41:02
Rank: #3038 (+109)
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:46:44
Rank: #2964 (+74)
24M → 40K
5:42 | 6:40/mi
25.2M
2:49:06
Rank: #2915 (+49)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:55:17
Rank: #2767 (+148)
25.2M → Finish
6:11 | 6:04/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:28:10
Pace6:44 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:27:07
Pace6:39 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4821:136:5021:13
6:50
-
10K
6.21 mi10:43:4442:096:4720:56
6:44
-0:06
15K
9.32 mi11:04:301:02:556:4520:46
6:41
-0:03
20K
12.43 mi11:25:191:23:446:4420:49
6:42
+0:01
Half
13.11 mi11:29:451:28:106:444:26
6:30
-0:12
25K
15.53 mi11:46:051:44:306:4416:20
6:44
+0:14
30K
18.64 mi12:07:072:05:326:4421:02
6:46
+0:02
20M
20.00 mi12:16:192:14:446:449:12
6:46
0:00
21M
21.00 mi12:23:112:21:366:456:52
6:52
+0:06
35K
21.75 mi12:27:572:26:226:444:46
6:22
-0:30
23M
23.00 mi12:36:132:34:386:438:16
6:36
+0:14
24M
24.00 mi12:42:372:41:026:436:24
6:24
-0:12
40K
24.85 mi12:48:192:46:446:425:42
6:40
+0:16
25.2M
25.20 mi12:50:412:49:066:432:22
6:52
+0:12
Finish
26.22 mi12:56:522:55:176:416:11
6:04
-0:48

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

6:04 /mi

Average Pace

6:41 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:45

20% of race

Time at Steady Pace

2:19:32

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:22:4821:136:5021:13
6:50
#4921
10K
6.21 mi10:43:4442:096:4720:56
6:44
#4816
15K
9.32 mi11:04:301:02:556:4520:46
6:41
#4501
20K
12.43 mi11:25:191:23:446:4420:49
6:42
#4225
Half
13.11 mi11:29:451:28:106:444:26
6:30
#4132
25K
15.53 mi11:46:051:44:306:4416:20
6:44
#4029
30K
18.64 mi12:07:072:05:326:4421:02
6:46
#3719
20M
20.00 mi12:16:192:14:446:449:12
6:46
#3588
21M
21.00 mi12:23:112:21:366:456:52
6:52
#3382
35K
21.75 mi12:27:572:26:226:444:46
6:22
#3292
23M
23.00 mi12:36:132:34:386:438:16
6:36
#3147
24M
24.00 mi12:42:372:41:026:436:24
6:24
#3038
40K
24.85 mi12:48:192:46:446:425:42
6:40
#2964
25.2M
25.20 mi12:50:412:49:066:432:22
6:52
#2915
Finish
26.22 mi12:56:522:55:176:416:11
6:04
#2767
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4921456745673954(Top 15%)3715(Top 24%)3715(Top 70%)
10K6.21 mi3.10 mi4816+1054478+894478+894686(Top 18%)4359(Top 29%)4359(Top 82%)
15K9.32 mi3.11 mi4501+3154205+2734205+2733954(Top 15%)3715(Top 24%)3715(Top 70%)
20K12.43 mi3.11 mi4225+2763960+2453960+2453564(Top 13%)3371(Top 22%)3371(Top 64%)
Half13.11 mi0.68 mi4132+933877+833877+832774(Top 10%)2658(Top 18%)2658(Top 50%)
25K15.53 mi2.42 mi4029+1033789+883789+883623(Top 14%)3412(Top 22%)3412(Top 65%)
30K18.64 mi3.11 mi3719+3103513+2763513+2762795(Top 10%)2651(Top 17%)2651(Top 50%)
20M20.00 mi1.36 mi3588+1313394+1193394+1192637(Top 10%)2494(Top 16%)2494(Top 47%)
21M21.00 mi1.00 mi3382+2063203+1913203+1911659(Top 6%)1580(Top 10%)1580(Top 30%)
35K21.75 mi0.75 mi3292+903118+853118+851880(Top 7%)1786(Top 12%)1786(Top 34%)
23M23.00 mi1.25 mi3147+1452985+1332985+1331788(Top 7%)1697(Top 11%)1697(Top 32%)
24M24.00 mi1.00 mi3038+1092884+1012884+1011691(Top 6%)1599(Top 11%)1599(Top 30%)
40K24.85 mi0.85 mi2964+742812+722812+722194(Top 8%)2045(Top 13%)2045(Top 39%)
25.2M25.20 mi0.35 mi2915+492767+452767+451355(Top 5%)1285(Top 8%)1285(Top 24%)
Finish26.22 mi1.02 mi2767+1482630+1372630+137913(Top 3%)873(Top 6%)873(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3954

Males

3715

M18-39

3715

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4686

Males

4359

M18-39

4359

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3954

Males

3715

M18-39

3715

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3564

Males

3371

M18-39

3371

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2774

Males

2658

M18-39

2658

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3623

Males

3412

M18-39

3412

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2795

Males

2651

M18-39

2651

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2637

Males

2494

M18-39

2494

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1659

Males

1580

M18-39

1580

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1880

Males

1786

M18-39

1786

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1788

Males

1697

M18-39

1697

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1691

Males

1599

M18-39

1599

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2194

Males

2045

M18-39

2045

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1355

Males

1285

M18-39

1285

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

913

Males

873

M18-39

873

Passing Analysis

Category:
Athletes Passed
2411
Passed By
257
Net Change
+2154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4921
5K → 10K257152+105#4921#4816
10K → 15K33722+315#4816#4501
15K → 20K28913+276#4501#4225
20K → Half941+93#4225#4132
Half → 25K13229+103#4132#4029
25K → 30K32212+310#4029#3719
30K → 20M1343+131#3719#3588
20M → 21M2071+206#3588#3382
21M → 35K911+90#3382#3292
35K → 23M1505+145#3292#3147
23M → 24M1123+109#3147#3038
24M → 40K8511+74#3038#2964
40K → 25.2M512+49#2964#2915
25.2M → Finish1502+148#2915#2767
TOTALS2411257+2154
📊

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