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BOSTON MARATHON 2023

Grant Heskamp

Bib: 4900•M

NC

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
20:59
Rank: #4158
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
42:09
Rank: #4815 (-657)
5K → 10K
21:10 | 6:49/mi
15K· 9.32 mi
1:03:08
Rank: #4728 (+87)
10K → 15K
20:59 | 6:45/mi
20K· 12.43 mi
1:24:19
Rank: #4682 (+46)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:28:54
Rank: #4658 (+24)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:19
Rank: #4497 (+161)
Half → 25K
16:25 | 6:46/mi
30K· 18.64 mi
2:06:16
Rank: #4060 (+437)
25K → 30K
20:57 | 6:45/mi
20M
2:15:20
Rank: #3839 (+221)
30K → 20M
9:04 | 6:40/mi
21M
2:22:14
Rank: #3639 (+200)
20M → 21M
6:54 | 6:54/mi
35K· 21.75 mi
2:26:55
Rank: #3503 (+136)
21M → 35K
4:41 | 6:16/mi
23M
2:35:13
Rank: #3323 (+180)
35K → 23M
8:18 | 6:38/mi
24M
2:41:27
Rank: #3165 (+158)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:46:56
Rank: #3017 (+148)
24M → 40K
5:29 | 6:25/mi
25.2M
2:49:10
Rank: #2934 (+83)
40K → 25.2M
2:14 | 6:29/mi
Finish· 26.22 mi
2:55:16
Rank: #2762 (+172)
25.2M → Finish
6:06 | 5:59/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:28:54
Pace6:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:26:22
Pace6:35 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4520:596:4520:59
6:45
-
10K
6.21 mi10:44:5542:096:4721:10
6:49
+0:04
15K
9.32 mi11:05:541:03:086:4620:59
6:45
-0:04
20K
12.43 mi11:27:051:24:196:4721:11
6:49
+0:04
Half
13.11 mi11:31:401:28:546:474:35
6:43
-0:06
25K
15.53 mi11:48:051:45:196:4716:25
6:46
+0:03
30K
18.64 mi12:09:022:06:166:4620:57
6:45
-0:01
20M
20.00 mi12:18:062:15:206:469:04
6:40
-0:05
21M
21.00 mi12:25:002:22:146:466:54
6:54
+0:14
35K
21.75 mi12:29:412:26:556:454:41
6:16
-0:38
23M
23.00 mi12:37:592:35:136:458:18
6:38
+0:22
24M
24.00 mi12:44:132:41:276:446:14
6:14
-0:24
40K
24.85 mi12:49:422:46:566:435:29
6:25
+0:11
25.2M
25.20 mi12:51:562:49:106:432:14
6:29
+0:04
Finish
26.22 mi12:58:022:55:166:416:06
5:59
-0:30

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

5:59 /mi

Average Pace

6:41 /mi

Slowest Pace

6:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:44

14% of race

Time at Steady Pace

2:30:32

86% 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 mi10:23:4520:596:4520:59
6:45
#4158
10K
6.21 mi10:44:5542:096:4721:10
6:49
#4815
15K
9.32 mi11:05:541:03:086:4620:59
6:45
#4728
20K
12.43 mi11:27:051:24:196:4721:11
6:49
#4682
Half
13.11 mi11:31:401:28:546:474:35
6:43
#4658
25K
15.53 mi11:48:051:45:196:4716:25
6:46
#4497
30K
18.64 mi12:09:022:06:166:4620:57
6:45
#4060
20M
20.00 mi12:18:062:15:206:469:04
6:40
#3839
21M
21.00 mi12:25:002:22:146:466:54
6:54
#3639
35K
21.75 mi12:29:412:26:556:454:41
6:16
#3503
23M
23.00 mi12:37:592:35:136:458:18
6:38
#3323
24M
24.00 mi12:44:132:41:276:446:14
6:14
#3165
40K
24.85 mi12:49:422:46:566:435:29
6:25
#3017
25.2M
25.20 mi12:51:562:49:106:432:14
6:29
#2934
Finish
26.22 mi12:58:022:55:166:416:06
5:59
#2762
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4158389438944622(Top 17%)4315(Top 28%)4315(Top 82%)
10K6.21 mi3.10 mi4815-6574477-5834477-5835397(Top 20%)4974(Top 33%)4974(Top 94%)
15K9.32 mi3.11 mi4728+874401+764401+764622(Top 17%)4315(Top 28%)4315(Top 82%)
20K12.43 mi3.11 mi4682+464368+334368+334576(Top 17%)4261(Top 28%)4261(Top 81%)
Half13.11 mi0.68 mi4658+244346+224346+224411(Top 17%)4103(Top 27%)4103(Top 78%)
25K15.53 mi2.42 mi4497+1614203+1434203+1433874(Top 15%)3642(Top 24%)3642(Top 69%)
30K18.64 mi3.11 mi4060+4373817+3863817+3862645(Top 10%)2513(Top 17%)2513(Top 48%)
20M20.00 mi1.36 mi3839+2213617+2003617+2002168(Top 8%)2063(Top 14%)2063(Top 39%)
21M21.00 mi1.00 mi3639+2003440+1773440+1771775(Top 7%)1688(Top 11%)1688(Top 32%)
35K21.75 mi0.75 mi3503+1363318+1223318+1221469(Top 6%)1395(Top 9%)1395(Top 26%)
23M23.00 mi1.25 mi3323+1803146+1723146+1721900(Top 7%)1802(Top 12%)1802(Top 34%)
24M24.00 mi1.00 mi3165+1583001+1453001+1451151(Top 4%)1092(Top 7%)1092(Top 21%)
40K24.85 mi0.85 mi3017+1482859+1422859+1421264(Top 5%)1192(Top 8%)1192(Top 23%)
25.2M25.20 mi0.35 mi2934+832783+762783+76490(Top 2%)464(Top 3%)464(Top 9%)
Finish26.22 mi1.02 mi2762+1722625+1582625+158711(Top 3%)680(Top 4%)680(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4622

Males

4315

M18-39

4315

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5397

Males

4974

M18-39

4974

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4622

Males

4315

M18-39

4315

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4576

Males

4261

M18-39

4261

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4411

Males

4103

M18-39

4103

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3874

Males

3642

M18-39

3642

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2645

Males

2513

M18-39

2513

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2168

Males

2063

M18-39

2063

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1775

Males

1688

M18-39

1688

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1469

Males

1395

M18-39

1395

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1900

Males

1802

M18-39

1802

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1151

Males

1092

M18-39

1092

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1264

Males

1192

M18-39

1192

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

490

Males

464

M18-39

464

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

711

Males

680

M18-39

680

Passing Analysis

Category:
Athletes Passed
2287
Passed By
891
Net Change
+1396
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4158
5K → 10K47704-657#4158#4815
10K → 15K16376+87#4815#4728
15K → 20K11468+46#4728#4682
20K → Half3511+24#4682#4658
Half → 25K18019+161#4658#4497
25K → 30K4403+437#4497#4060
30K → 20M2232+221#4060#3839
20M → 21M2022+200#3839#3639
21M → 35K1382+136#3639#3503
35K → 23M1811+180#3503#3323
23M → 24M1591+158#3323#3165
24M → 40K1502+148#3165#3017
40K → 25.2M830+83#3017#2934
25.2M → Finish1720+172#2934#2762
TOTALS2287891+1396
📊

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