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BOSTON MARATHON 2023

Carson Gantzer

Bib: 3100•M

AZ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:22
Rank: #7477
Start → 5K
22:22 | 7:12/mi
10K· 6.21 mi
43:30
Rank: #6498 (+979)
5K → 10K
21:08 | 6:48/mi
15K· 9.32 mi
1:05:45
Rank: #6799 (-301)
10K → 15K
22:15 | 7:10/mi
20K· 12.43 mi
1:27:25
Rank: #6533 (+266)
15K → 20K
21:40 | 6:58/mi
Half· 13.11 mi
1:32:08
Rank: #6514 (+19)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:49:09
Rank: #6374 (+140)
Half → 25K
17:01 | 7:01/mi
30K· 18.64 mi
2:11:21
Rank: #6101 (+273)
25K → 30K
22:12 | 7:09/mi
20M
2:22:22
Rank: #6342 (-241)
30K → 20M
11:01 | 8:06/mi
21M
2:29:59
Rank: #6235 (+107)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:35:17
Rank: #6209 (+26)
21M → 35K
5:18 | 7:05/mi
23M
2:44:35
Rank: #6140 (+69)
35K → 23M
9:18 | 7:26/mi
24M
2:51:56
Rank: #6099 (+41)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
2:58:18
Rank: #6066 (+33)
24M → 40K
6:22 | 7:27/mi
25.2M
3:01:02
Rank: #6055 (+11)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:08:22
Rank: #6026 (+29)
25.2M → Finish
7:20 | 7:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:08
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:36:14
Pace7:20 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3822:227:1222:22
7:12
-
10K
6.21 mi10:44:4643:307:0021:08
6:48
-0:24
15K
9.32 mi11:07:011:05:457:0322:15
7:10
+0:22
20K
12.43 mi11:28:411:27:257:0221:40
6:58
-0:12
Half
13.11 mi11:33:241:32:087:024:43
6:55
-0:03
25K
15.53 mi11:50:251:49:097:0217:01
7:01
+0:06
30K
18.64 mi12:12:372:11:217:0322:12
7:09
+0:08
20M
20.00 mi12:23:382:22:227:0711:01
8:06
+0:57
21M
21.00 mi12:31:152:29:597:097:37
7:37
-0:29
35K
21.75 mi12:36:332:35:177:085:18
7:05
-0:32
23M
23.00 mi12:45:512:44:357:099:18
7:26
+0:21
24M
24.00 mi12:53:122:51:567:107:21
7:21
-0:05
40K
24.85 mi12:59:342:58:187:106:22
7:27
+0:06
25.2M
25.20 mi13:02:183:01:027:112:44
7:56
+0:29
Finish
26.22 mi13:09:383:08:227:117:20
7:12
-0:44

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

6:48 /mi

Average Pace

7:11 /mi

Slowest Pace

8:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:00

89% of race

Time at Steady Pace

10:21

5% of race

Time at Slower Pace

11:01

6% of race

Average Pace: 7:11 /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 mi10:23:3822:227:1222:22
7:12
#7477
10K
6.21 mi10:44:4643:307:0021:08
6:48
#6498
15K
9.32 mi11:07:011:05:457:0322:15
7:10
#6799
20K
12.43 mi11:28:411:27:257:0221:40
6:58
#6533
Half
13.11 mi11:33:241:32:087:024:43
6:55
#6514
25K
15.53 mi11:50:251:49:097:0217:01
7:01
#6374
30K
18.64 mi12:12:372:11:217:0322:12
7:09
#6101
20M
20.00 mi12:23:382:22:227:0711:01
8:06
#6342
21M
21.00 mi12:31:152:29:597:097:37
7:37
#6235
35K
21.75 mi12:36:332:35:177:085:18
7:05
#6209
23M
23.00 mi12:45:512:44:357:099:18
7:26
#6140
24M
24.00 mi12:53:122:51:567:107:21
7:21
#6099
40K
24.85 mi12:59:342:58:187:106:22
7:27
#6066
25.2M
25.20 mi13:02:183:01:027:112:44
7:56
#6055
Finish
26.22 mi13:09:383:08:227:117:20
7:12
#6026
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7477662966297520(Top 28%)6606(Top 44%)6606(Top 125%)
10K6.21 mi3.10 mi6498+9795869+7605869+7605326(Top 20%)4921(Top 32%)4921(Top 93%)
15K9.32 mi3.11 mi6799-3016103-2346103-2347520(Top 28%)6606(Top 44%)6606(Top 125%)
20K12.43 mi3.11 mi6533+2665888+2155888+2155825(Top 22%)5334(Top 35%)5334(Top 101%)
Half13.11 mi0.68 mi6514+195872+165872+166059(Top 23%)5529(Top 36%)5529(Top 105%)
25K15.53 mi2.42 mi6374+1405759+1135759+1135686(Top 21%)5211(Top 34%)5211(Top 99%)
30K18.64 mi3.11 mi6101+2735540+2195540+2195189(Top 19%)4754(Top 31%)4754(Top 90%)
20M20.00 mi1.36 mi6342-2415713-1735713-17311034(Top 41%)8255(Top 54%)8255(Top 156%)
21M21.00 mi1.00 mi6235+1075616+975616+975185(Top 19%)4610(Top 30%)4610(Top 87%)
35K21.75 mi0.75 mi6209+265597+195597+195810(Top 22%)5100(Top 34%)5100(Top 96%)
23M23.00 mi1.25 mi6140+695530+675530+676012(Top 23%)5190(Top 34%)5190(Top 98%)
24M24.00 mi1.00 mi6099+415486+445486+446700(Top 25%)5539(Top 36%)5539(Top 105%)
40K24.85 mi0.85 mi6066+335449+375449+376339(Top 24%)5238(Top 35%)5238(Top 99%)
25.2M25.20 mi0.35 mi6055+115438+115438+116031(Top 23%)4962(Top 33%)4962(Top 94%)
Finish26.22 mi1.02 mi6026+295401+375401+376368(Top 24%)5176(Top 34%)5176(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7520

Males

6606

M18-39

6606

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5326

Males

4921

M18-39

4921

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7520

Males

6606

M18-39

6606

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5825

Males

5334

M18-39

5334

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6059

Males

5529

M18-39

5529

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5686

Males

5211

M18-39

5211

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5189

Males

4754

M18-39

4754

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11034

Males

8255

M18-39

8255

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5185

Males

4610

M18-39

4610

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5810

Males

5100

M18-39

5100

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6012

Males

5190

M18-39

5190

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6700

Males

5539

M18-39

5539

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6339

Males

5238

M18-39

5238

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6031

Males

4962

M18-39

4962

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6368

Males

5176

M18-39

5176

Passing Analysis

Category:
Athletes Passed
2291
Passed By
840
Net Change
+1451
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7477
5K → 10K9856+979#7477#6498
10K → 15K41342-301#6498#6799
15K → 20K28115+266#6799#6533
20K → Half3112+19#6533#6514
Half → 25K15414+140#6514#6374
25K → 30K29118+273#6374#6101
30K → 20M14255-241#6101#6342
20M → 21M12013+107#6342#6235
21M → 35K4620+26#6235#6209
35K → 23M9728+69#6209#6140
23M → 24M7231+41#6140#6099
24M → 40K6431+33#6099#6066
40K → 25.2M2918+11#6066#6055
25.2M → Finish6637+29#6055#6026
TOTALS2291840+1451
📊

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