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BOSTON MARATHON 2023

Neil Guertin

Bib: 3127•M

MA

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 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:40
Rank: #3238
Start → 5K
20:40 | 6:39/mi
10K· 6.21 mi
40:52
Rank: #2979 (+259)
5K → 10K
20:12 | 6:30/mi
15K· 9.32 mi
1:01:09
Rank: #2897 (+82)
10K → 15K
20:17 | 6:32/mi
20K· 12.43 mi
1:21:42
Rank: #2892 (+5)
15K → 20K
20:33 | 6:37/mi
Half· 13.11 mi
1:26:08
Rank: #2886 (+6)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:42:08
Rank: #2824 (+62)
Half → 25K
16:00 | 6:36/mi
30K· 18.64 mi
2:03:13
Rank: #2803 (+21)
25K → 30K
21:05 | 6:47/mi
20M
2:12:28
Rank: #2765 (+38)
30K → 20M
9:15 | 6:48/mi
21M
2:19:34
Rank: #2718 (+47)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:24:32
Rank: #2720 (-2)
21M → 35K
4:58 | 6:38/mi
23M
2:32:57
Rank: #2651 (+69)
35K → 23M
8:25 | 6:43/mi
24M
2:39:31
Rank: #2615 (+36)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:45:19
Rank: #2605 (+10)
24M → 40K
5:48 | 6:47/mi
25.2M
2:47:53
Rank: #2618 (-13)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:54:47
Rank: #2648 (-30)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:08
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:28:39
Pace6:46 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0420:406:3920:40
6:39
-
10K
6.21 mi10:42:1640:526:3520:12
6:30
-0:09
15K
9.32 mi11:02:331:01:096:3420:17
6:32
+0:02
20K
12.43 mi11:23:061:21:426:3420:33
6:37
+0:05
Half
13.11 mi11:27:321:26:086:344:26
6:30
-0:07
25K
15.53 mi11:43:321:42:086:3416:00
6:36
+0:06
30K
18.64 mi12:04:372:03:136:3721:05
6:47
+0:11
20M
20.00 mi12:13:522:12:286:379:15
6:48
+0:01
21M
21.00 mi12:20:582:19:346:397:06
7:06
+0:18
35K
21.75 mi12:25:562:24:326:394:58
6:38
-0:28
23M
23.00 mi12:34:212:32:576:398:25
6:43
+0:05
24M
24.00 mi12:40:552:39:316:396:34
6:34
-0:09
40K
24.85 mi12:46:432:45:196:395:48
6:47
+0:13
25.2M
25.20 mi12:49:172:47:536:402:34
7:27
+0:40
Finish
26.22 mi12:56:112:54:476:406:54
6:46
-0:41

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

6:30 /mi

Average Pace

6:40 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:13

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:22:0420:406:3920:40
6:39
#3238
10K
6.21 mi10:42:1640:526:3520:12
6:30
#2979
15K
9.32 mi11:02:331:01:096:3420:17
6:32
#2897
20K
12.43 mi11:23:061:21:426:3420:33
6:37
#2892
Half
13.11 mi11:27:321:26:086:344:26
6:30
#2886
25K
15.53 mi11:43:321:42:086:3416:00
6:36
#2824
30K
18.64 mi12:04:372:03:136:3721:05
6:47
#2803
20M
20.00 mi12:13:522:12:286:379:15
6:48
#2765
21M
21.00 mi12:20:582:19:346:397:06
7:06
#2718
35K
21.75 mi12:25:562:24:326:394:58
6:38
#2720
23M
23.00 mi12:34:212:32:576:398:25
6:43
#2651
24M
24.00 mi12:40:552:39:316:396:34
6:34
#2615
40K
24.85 mi12:46:432:45:196:395:48
6:47
#2605
25.2M
25.20 mi12:49:172:47:536:402:34
7:27
#2618
Finish
26.22 mi12:56:112:54:476:406:54
6:46
#2648
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3238305730572811(Top 11%)2687(Top 18%)2687(Top 51%)
10K6.21 mi3.10 mi2979+2592842+2152842+2152798(Top 11%)2674(Top 18%)2674(Top 51%)
15K9.32 mi3.11 mi2897+822763+792763+792811(Top 11%)2687(Top 18%)2687(Top 51%)
20K12.43 mi3.11 mi2892+52762+12762+12947(Top 11%)2807(Top 18%)2807(Top 53%)
Half13.11 mi0.68 mi2886+62754+82754+82769(Top 10%)2653(Top 17%)2653(Top 50%)
25K15.53 mi2.42 mi2824+622700+542700+542701(Top 10%)2585(Top 17%)2585(Top 49%)
30K18.64 mi3.11 mi2803+212681+192681+192879(Top 11%)2729(Top 18%)2729(Top 52%)
20M20.00 mi1.36 mi2765+382641+402641+402845(Top 11%)2680(Top 18%)2680(Top 51%)
21M21.00 mi1.00 mi2718+472597+442597+442621(Top 10%)2467(Top 16%)2467(Top 47%)
35K21.75 mi0.75 mi2720-22600-32600-33197(Top 12%)2982(Top 20%)2982(Top 56%)
23M23.00 mi1.25 mi2651+692534+662534+662264(Top 9%)2135(Top 14%)2135(Top 40%)
24M24.00 mi1.00 mi2615+362499+352499+352387(Top 9%)2230(Top 15%)2230(Top 42%)
40K24.85 mi0.85 mi2605+102486+132486+132732(Top 10%)2518(Top 17%)2518(Top 48%)
25.2M25.20 mi0.35 mi2618-132498-122498-123561(Top 13%)3189(Top 21%)3189(Top 60%)
Finish26.22 mi1.02 mi2648-302524-262524-263870(Top 15%)3426(Top 23%)3426(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2811

Males

2687

M18-39

2687

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2798

Males

2674

M18-39

2674

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2811

Males

2687

M18-39

2687

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2947

Males

2807

M18-39

2807

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2769

Males

2653

M18-39

2653

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2701

Males

2585

M18-39

2585

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2879

Males

2729

M18-39

2729

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2845

Males

2680

M18-39

2680

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2621

Males

2467

M18-39

2467

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3197

Males

2982

M18-39

2982

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2264

Males

2135

M18-39

2135

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2387

Males

2230

M18-39

2230

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2732

Males

2518

M18-39

2518

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3561

Males

3189

M18-39

3189

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3870

Males

3426

M18-39

3426

Passing Analysis

Category:
Athletes Passed
1090
Passed By
500
Net Change
+590
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3238
5K → 10K31859+259#3238#2979
10K → 15K14260+82#2979#2897
15K → 20K7772+5#2897#2892
20K → Half1711+6#2892#2886
Half → 25K9432+62#2886#2824
25K → 30K7958+21#2824#2803
30K → 20M5315+38#2803#2765
20M → 21M6518+47#2765#2718
21M → 35K2224-2#2718#2720
35K → 23M8516+69#2720#2651
23M → 24M6529+36#2651#2615
24M → 40K3929+10#2615#2605
40K → 25.2M821-13#2605#2618
25.2M → Finish2656-30#2618#2648
TOTALS1090500+590
📊

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