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BOSTON MARATHON 2023

Nicholas Heshelman

Bib: 3134•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Division (M18-39)
#0 / 5285
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:50
Rank: #3720
Start → 5K
20:50 | 6:42/mi
10K· 6.21 mi
41:21
Rank: #3568 (+152)
5K → 10K
20:31 | 6:36/mi
15K· 9.32 mi
1:01:47
Rank: #3411 (+157)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:22:47
Rank: #3535 (-124)
15K → 20K
21:00 | 6:46/mi
Half· 13.11 mi
1:27:18
Rank: #3528 (+7)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:55
Rank: #3681 (-153)
Half → 25K
16:37 | 6:51/mi
30K· 18.64 mi
2:05:53
Rank: #3877 (-196)
25K → 30K
21:58 | 7:04/mi
20M
2:15:25
Rank: #3877
30K → 20M
9:32 | 7:01/mi
21M
2:22:56
Rank: #3923 (-46)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:27:58
Rank: #3905 (+18)
21M → 35K
5:02 | 6:44/mi
23M
2:36:33
Rank: #3804 (+101)
35K → 23M
8:35 | 6:51/mi
24M
2:43:02
Rank: #3655 (+149)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:48:48
Rank: #3576 (+79)
24M → 40K
5:46 | 6:45/mi
25.2M
2:51:16
Rank: #3532 (+44)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:57:56
Rank: #3464 (+68)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:18
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:30:38
Pace6:55 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0920:506:4220:50
6:42
-
10K
6.21 mi10:42:4041:216:3920:31
6:36
-0:06
15K
9.32 mi11:03:061:01:476:3820:26
6:35
-0:01
20K
12.43 mi11:24:061:22:476:4021:00
6:46
+0:11
Half
13.11 mi11:28:371:27:186:404:31
6:37
-0:09
25K
15.53 mi11:45:141:43:556:4116:37
6:51
+0:14
30K
18.64 mi12:07:122:05:536:4521:58
7:04
+0:13
20M
20.00 mi12:16:442:15:256:469:32
7:01
-0:03
21M
21.00 mi12:24:152:22:566:487:31
7:31
+0:30
35K
21.75 mi12:29:172:27:586:485:02
6:44
-0:47
23M
23.00 mi12:37:522:36:336:488:35
6:51
+0:07
24M
24.00 mi12:44:212:43:026:486:29
6:29
-0:22
40K
24.85 mi12:50:072:48:486:475:46
6:45
+0:16
25.2M
25.20 mi12:52:352:51:166:482:28
7:09
+0:24
Finish
26.22 mi12:59:152:57:566:476:40
6:33
-0:36

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

6:29 /mi

Average Pace

6:47 /mi

Slowest Pace

7:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:57

94% of race

Time at Steady Pace

9:59

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:22:0920:506:4220:50
6:42
#3720
10K
6.21 mi10:42:4041:216:3920:31
6:36
#3568
15K
9.32 mi11:03:061:01:476:3820:26
6:35
#3411
20K
12.43 mi11:24:061:22:476:4021:00
6:46
#3535
Half
13.11 mi11:28:371:27:186:404:31
6:37
#3528
25K
15.53 mi11:45:141:43:556:4116:37
6:51
#3681
30K
18.64 mi12:07:122:05:536:4521:58
7:04
#3877
20M
20.00 mi12:16:442:15:256:469:32
7:01
#3877
21M
21.00 mi12:24:152:22:566:487:31
7:31
#3923
35K
21.75 mi12:29:172:27:586:485:02
6:44
#3905
23M
23.00 mi12:37:522:36:336:488:35
6:51
#3804
24M
24.00 mi12:44:212:43:026:486:29
6:29
#3655
40K
24.85 mi12:50:072:48:486:475:46
6:45
#3576
25.2M
25.20 mi12:52:352:51:166:482:28
7:09
#3532
Finish
26.22 mi12:59:152:57:566:476:40
6:33
#3464
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3720349634963111(Top 12%)2965(Top 20%)2965(Top 56%)
10K6.21 mi3.10 mi3568+1523369+1273369+1273520(Top 13%)3333(Top 22%)3333(Top 63%)
15K9.32 mi3.11 mi3411+1573232+1373232+1373111(Top 12%)2965(Top 20%)2965(Top 56%)
20K12.43 mi3.11 mi3535-1243347-1153347-1154055(Top 15%)3801(Top 25%)3801(Top 72%)
Half13.11 mi0.68 mi3528+73341+63341+63580(Top 13%)3388(Top 22%)3388(Top 64%)
25K15.53 mi2.42 mi3681-1533478-1373478-1374591(Top 17%)4270(Top 28%)4270(Top 81%)
30K18.64 mi3.11 mi3877-1963655-1773655-1774769(Top 18%)4398(Top 29%)4398(Top 83%)
20M20.00 mi1.36 mi38773652+33652+34101(Top 15%)3791(Top 25%)3791(Top 72%)
21M21.00 mi1.00 mi3923-463692-403692-404630(Top 17%)4196(Top 28%)4196(Top 79%)
35K21.75 mi0.75 mi3905+183672+203672+203698(Top 14%)3415(Top 23%)3415(Top 65%)
23M23.00 mi1.25 mi3804+1013580+923580+922971(Top 11%)2772(Top 18%)2772(Top 52%)
24M24.00 mi1.00 mi3655+1493447+1333447+1332049(Top 8%)1924(Top 13%)1924(Top 36%)
40K24.85 mi0.85 mi3576+793374+733374+732566(Top 10%)2380(Top 16%)2380(Top 45%)
25.2M25.20 mi0.35 mi3532+443333+413333+412342(Top 9%)2175(Top 14%)2175(Top 41%)
Finish26.22 mi1.02 mi3464+683265+683265+682690(Top 10%)2462(Top 16%)2462(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3111

Males

2965

M18-39

2965

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3520

Males

3333

M18-39

3333

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3111

Males

2965

M18-39

2965

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4055

Males

3801

M18-39

3801

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3580

Males

3388

M18-39

3388

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4591

Males

4270

M18-39

4270

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4769

Males

4398

M18-39

4398

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4101

Males

3791

M18-39

3791

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4630

Males

4196

M18-39

4196

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3698

Males

3415

M18-39

3415

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2971

Males

2772

M18-39

2772

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2049

Males

1924

M18-39

1924

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2566

Males

2380

M18-39

2380

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2342

Males

2175

M18-39

2175

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2690

Males

2462

M18-39

2462

Passing Analysis

Category:
Athletes Passed
1284
Passed By
1028
Net Change
+256
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3720
5K → 10K285133+152#3720#3568
10K → 15K19336+157#3568#3411
15K → 20K44168-124#3411#3535
20K → Half1710+7#3535#3528
Half → 25K44197-153#3528#3681
25K → 30K51247-196#3681#3877
30K → 20M64640#3877#3877
20M → 21M55101-46#3877#3923
21M → 35K4527+18#3923#3905
35K → 23M11110+101#3905#3804
23M → 24M1534+149#3804#3655
24M → 40K878+79#3655#3576
40K → 25.2M462+44#3576#3532
25.2M → Finish8921+68#3532#3464
TOTALS12841028+256
📊

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