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BOSTON MARATHON 2023

Brian Reynolds

Bib: P105•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
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
22:09
Rank: #7056
Start → 5K
22:09 | 7:08/mi
10K· 6.21 mi
44:30
Rank: #7491 (-435)
5K → 10K
22:21 | 7:12/mi
15K· 9.32 mi
1:06:35
Rank: #7369 (+122)
10K → 15K
22:05 | 7:06/mi
20K· 12.43 mi
1:28:54
Rank: #7235 (+134)
15K → 20K
22:19 | 7:11/mi
Half· 13.11 mi
1:33:42
Rank: #7217 (+18)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:51:21
Rank: #7179 (+38)
Half → 25K
17:39 | 7:17/mi
30K· 18.64 mi
2:14:07
Rank: #6961 (+218)
25K → 30K
22:46 | 7:20/mi
20M
2:24:16
Rank: #6914 (+47)
30K → 20M
10:09 | 7:28/mi
21M
2:31:55
Rank: #6780 (+134)
20M → 21M
7:39 | 7:39/mi
35K· 21.75 mi
2:37:13
Rank: #6716 (+64)
21M → 35K
5:18 | 7:05/mi
23M
2:45:59
Rank: #6510 (+206)
35K → 23M
8:46 | 7:00/mi
24M
2:52:44
Rank: #6298 (+212)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:58:37
Rank: #6148 (+150)
24M → 40K
5:53 | 6:53/mi
25.2M
3:01:13
Rank: #6098 (+50)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:08:02
Rank: #5943 (+155)
25.2M → Finish
6:49 | 6:41/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:33:42
Pace7:09 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:12:1022:097:0822:09
7:08
-
10K
6.21 mi10:34:3144:307:1022:21
7:12
+0:04
15K
9.32 mi10:56:361:06:357:0922:05
7:06
-0:06
20K
12.43 mi11:18:551:28:547:0922:19
7:11
+0:05
Half
13.11 mi11:23:431:33:427:094:48
7:02
-0:09
25K
15.53 mi11:41:221:51:217:1017:39
7:17
+0:15
30K
18.64 mi12:04:082:14:077:1222:46
7:20
+0:03
20M
20.00 mi12:14:172:24:167:1310:09
7:28
+0:08
21M
21.00 mi12:21:562:31:557:147:39
7:39
+0:11
35K
21.75 mi12:27:142:37:137:145:18
7:05
-0:34
23M
23.00 mi12:36:002:45:597:138:46
7:00
-0:05
24M
24.00 mi12:42:452:52:447:126:45
6:45
-0:15
40K
24.85 mi12:48:382:58:377:115:53
6:53
+0:08
25.2M
25.20 mi12:51:143:01:137:112:36
7:32
+0:39
Finish
26.22 mi12:58:033:08:027:116:49
6:41
-0:51

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

6:41 /mi

Average Pace

7:11 /mi

Slowest Pace

7:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:38

89% of race

Time at Steady Pace

20:24

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:12:1022:097:0822:09
7:08
#7056
10K
6.21 mi10:34:3144:307:1022:21
7:12
#7491
15K
9.32 mi10:56:361:06:357:0922:05
7:06
#7369
20K
12.43 mi11:18:551:28:547:0922:19
7:11
#7235
Half
13.11 mi11:23:431:33:427:094:48
7:02
#7217
25K
15.53 mi11:41:221:51:217:1017:39
7:17
#7179
30K
18.64 mi12:04:082:14:077:1222:46
7:20
#6961
20M
20.00 mi12:14:172:24:167:1310:09
7:28
#6914
21M
21.00 mi12:21:562:31:557:147:39
7:39
#6780
35K
21.75 mi12:27:142:37:137:145:18
7:05
#6716
23M
23.00 mi12:36:002:45:597:138:46
7:00
#6510
24M
24.00 mi12:42:452:52:447:126:45
6:45
#6298
40K
24.85 mi12:48:382:58:377:115:53
6:53
#6148
25.2M
25.20 mi12:51:143:01:137:112:36
7:32
#6098
Finish
26.22 mi12:58:033:08:027:116:49
6:41
#5943
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7056631063107185(Top 27%)6371(Top 42%)6371(Top 121%)
10K6.21 mi3.10 mi7491-4356626-3166626-3168033(Top 30%)6963(Top 46%)6963(Top 132%)
15K9.32 mi3.11 mi7369+1226526+1006526+1007185(Top 27%)6371(Top 42%)6371(Top 121%)
20K12.43 mi3.11 mi7235+1346418+1086418+1086978(Top 26%)6194(Top 41%)6194(Top 117%)
Half13.11 mi0.68 mi7217+186404+146404+146705(Top 25%)6012(Top 40%)6012(Top 114%)
25K15.53 mi2.42 mi7179+386365+396365+397141(Top 27%)6243(Top 41%)6243(Top 118%)
30K18.64 mi3.11 mi6961+2186183+1826183+1826179(Top 23%)5499(Top 36%)5499(Top 104%)
20M20.00 mi1.36 mi6914+476142+416142+416567(Top 25%)5686(Top 37%)5686(Top 108%)
21M21.00 mi1.00 mi6780+1346028+1146028+1145361(Top 20%)4733(Top 31%)4733(Top 90%)
35K21.75 mi0.75 mi6716+645970+585970+585807(Top 22%)5097(Top 34%)5097(Top 96%)
23M23.00 mi1.25 mi6510+2065799+1715799+1713820(Top 14%)3527(Top 23%)3527(Top 67%)
24M24.00 mi1.00 mi6298+2125638+1615638+1613408(Top 13%)3145(Top 21%)3145(Top 60%)
40K24.85 mi0.85 mi6148+1505509+1295509+1293256(Top 12%)2986(Top 20%)2986(Top 56%)
25.2M25.20 mi0.35 mi6098+505468+415468+414102(Top 15%)3644(Top 24%)3644(Top 69%)
Finish26.22 mi1.02 mi5943+1555339+1295339+1293474(Top 13%)3116(Top 21%)3116(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7185

Males

6371

M18-39

6371

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8033

Males

6963

M18-39

6963

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7185

Males

6371

M18-39

6371

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6978

Males

6194

M18-39

6194

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6705

Males

6012

M18-39

6012

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7141

Males

6243

M18-39

6243

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6179

Males

5499

M18-39

5499

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6567

Males

5686

M18-39

5686

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5361

Males

4733

M18-39

4733

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5807

Males

5097

M18-39

5097

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3820

Males

3527

M18-39

3527

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3408

Males

3145

M18-39

3145

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3256

Males

2986

M18-39

2986

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4102

Males

3644

M18-39

3644

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3474

Males

3116

M18-39

3116

Passing Analysis

Category:
Athletes Passed
1908
Passed By
795
Net Change
+1113
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7056
5K → 10K72507-435#7056#7491
10K → 15K20381+122#7491#7369
15K → 20K17844+134#7369#7235
20K → Half257+18#7235#7217
Half → 25K10668+38#7217#7179
25K → 30K25032+218#7179#6961
30K → 20M7831+47#6961#6914
20M → 21M1428+134#6914#6780
21M → 35K717+64#6780#6716
35K → 23M2093+206#6716#6510
23M → 24M2131+212#6510#6298
24M → 40K1511+150#6298#6148
40K → 25.2M522+50#6148#6098
25.2M → Finish1583+155#6098#5943
TOTALS1908795+1113
📊

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