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BOSTON MARATHON 2023

Chad Bollman

Bib: 5292•M

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
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
21:06
Rank: #4596
Start → 5K
21:06 | 6:47/mi
10K· 6.21 mi
41:31
Rank: #3785 (+811)
5K → 10K
20:25 | 6:34/mi
15K· 9.32 mi
1:02:22
Rank: #3936 (-151)
10K → 15K
20:51 | 6:43/mi
20K· 12.43 mi
1:23:40
Rank: #4186 (-250)
15K → 20K
21:18 | 6:51/mi
Half· 13.11 mi
1:28:18
Rank: #4228 (-42)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:03
Rank: #4957 (-729)
Half → 25K
17:45 | 7:19/mi
30K· 18.64 mi
2:07:41
Rank: #4753 (+204)
25K → 30K
21:38 | 6:58/mi
20M
2:17:32
Rank: #4800 (-47)
30K → 20M
9:51 | 7:15/mi
21M
2:25:22
Rank: #4897 (-97)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:30:34
Rank: #4893 (+4)
21M → 35K
5:12 | 6:57/mi
23M
2:39:38
Rank: #4857 (+36)
35K → 23M
9:04 | 7:14/mi
24M
2:46:43
Rank: #4836 (+21)
23M → 24M
7:05 | 7:05/mi
40K· 24.85 mi
2:52:46
Rank: #4777 (+59)
24M → 40K
6:03 | 7:05/mi
25.2M
2:55:25
Rank: #4766 (+11)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:02:27
Rank: #4708 (+58)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:18
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:34:09
Pace7:11 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4721:066:4721:06
6:47
-
10K
6.21 mi10:44:1241:316:4120:25
6:34
-0:13
15K
9.32 mi11:05:031:02:226:4120:51
6:43
+0:09
20K
12.43 mi11:26:211:23:406:4421:18
6:51
+0:08
Half
13.11 mi11:30:591:28:186:444:38
6:47
-0:04
25K
15.53 mi11:48:441:46:036:5017:45
7:19
+0:32
30K
18.64 mi12:10:222:07:416:5121:38
6:58
-0:21
20M
20.00 mi12:20:132:17:326:539:51
7:15
+0:17
21M
21.00 mi12:28:032:25:226:557:50
7:50
+0:35
35K
21.75 mi12:33:152:30:346:555:12
6:57
-0:53
23M
23.00 mi12:42:192:39:386:569:04
7:14
+0:17
24M
24.00 mi12:49:242:46:436:577:05
7:05
-0:09
40K
24.85 mi12:55:272:52:466:576:03
7:05
0:00
25.2M
25.20 mi12:58:062:55:256:582:39
7:41
+0:36
Finish
26.22 mi13:05:083:02:276:587:02
6:54
-0:47

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

6:34 /mi

Average Pace

6:58 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:18

74% of race

Time at Steady Pace

39:19

22% of race

Time at Slower Pace

7:50

4% of race

Average Pace: 6:58 /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 mi10:23:4721:066:4721:06
6:47
#4596
10K
6.21 mi10:44:1241:316:4120:25
6:34
#3785
15K
9.32 mi11:05:031:02:226:4120:51
6:43
#3936
20K
12.43 mi11:26:211:23:406:4421:18
6:51
#4186
Half
13.11 mi11:30:591:28:186:444:38
6:47
#4228
25K
15.53 mi11:48:441:46:036:5017:45
7:19
#4957
30K
18.64 mi12:10:222:07:416:5121:38
6:58
#4753
20M
20.00 mi12:20:132:17:326:539:51
7:15
#4800
21M
21.00 mi12:28:032:25:226:557:50
7:50
#4897
35K
21.75 mi12:33:152:30:346:555:12
6:57
#4893
23M
23.00 mi12:42:192:39:386:569:04
7:14
#4857
24M
24.00 mi12:49:242:46:436:577:05
7:05
#4836
40K
24.85 mi12:55:272:52:466:576:03
7:05
#4777
25.2M
25.20 mi12:58:062:55:256:582:39
7:41
#4766
Finish
26.22 mi13:05:083:02:276:587:02
6:54
#4708
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4596428442844242(Top 16%)3979(Top 26%)3979(Top 75%)
10K6.21 mi3.10 mi3785+8113565+7193565+7193295(Top 12%)3137(Top 21%)3137(Top 59%)
15K9.32 mi3.11 mi3936-1513706-1413706-1414242(Top 16%)3979(Top 26%)3979(Top 75%)
20K12.43 mi3.11 mi4186-2503928-2223928-2224961(Top 19%)4603(Top 30%)4603(Top 87%)
Half13.11 mi0.68 mi4228-423963-353963-355160(Top 19%)4770(Top 31%)4770(Top 90%)
25K15.53 mi2.42 mi4957-7294608-6454608-6457397(Top 28%)6409(Top 42%)6409(Top 121%)
30K18.64 mi3.11 mi4753+2044426+1824426+1824106(Top 15%)3833(Top 25%)3833(Top 73%)
20M20.00 mi1.36 mi4800-474464-384464-385342(Top 20%)4804(Top 32%)4804(Top 91%)
21M21.00 mi1.00 mi4897-974546-824546-826310(Top 24%)5414(Top 36%)5414(Top 102%)
35K21.75 mi0.75 mi4893+44541+54541+55043(Top 19%)4518(Top 30%)4518(Top 85%)
23M23.00 mi1.25 mi4857+364502+394502+394985(Top 19%)4455(Top 29%)4455(Top 84%)
24M24.00 mi1.00 mi4836+214478+244478+245078(Top 19%)4478(Top 30%)4478(Top 85%)
40K24.85 mi0.85 mi4777+594423+554423+554238(Top 16%)3773(Top 25%)3773(Top 71%)
25.2M25.20 mi0.35 mi4766+114407+164407+164768(Top 18%)4121(Top 27%)4121(Top 78%)
Finish26.22 mi1.02 mi4708+584351+564351+564622(Top 17%)4011(Top 26%)4011(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4242

Males

3979

M18-39

3979

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3295

Males

3137

M18-39

3137

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4242

Males

3979

M18-39

3979

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4961

Males

4603

M18-39

4603

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5160

Males

4770

M18-39

4770

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7397

Males

6409

M18-39

6409

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4106

Males

3833

M18-39

3833

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5342

Males

4804

M18-39

4804

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6310

Males

5414

M18-39

5414

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5043

Males

4518

M18-39

4518

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

4985

Males

4455

M18-39

4455

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5078

Males

4478

M18-39

4478

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4238

Males

3773

M18-39

3773

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4768

Males

4121

M18-39

4121

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4622

Males

4011

M18-39

4011

Passing Analysis

Category:
Athletes Passed
1646
Passed By
1758
Net Change
-112
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4596
5K → 10K83423+811#4596#3785
10K → 15K59210-151#3785#3936
15K → 20K37287-250#3936#4186
20K → Half749-42#4186#4228
Half → 25K17746-729#4228#4957
25K → 30K24642+204#4957#4753
30K → 20M53100-47#4753#4800
20M → 21M27124-97#4800#4897
21M → 35K4036+4#4897#4893
35K → 23M9155+36#4893#4857
23M → 24M5736+21#4857#4836
24M → 40K7011+59#4836#4777
40K → 25.2M2615+11#4777#4766
25.2M → Finish8224+58#4766#4708
TOTALS16461758-112
📊

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