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BOSTON MARATHON 2023

Brian Baynes

Bib: 13544•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
Division (M45-49)
#0 / 2252
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:30
Rank: #10183
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
46:48
Rank: #10313 (-130)
5K → 10K
23:18 | 7:30/mi
15K· 9.32 mi
1:10:00
Rank: #10149 (+164)
10K → 15K
23:12 | 7:28/mi
20K· 12.43 mi
1:33:41
Rank: #10170 (-21)
15K → 20K
23:41 | 7:37/mi
Half· 13.11 mi
1:38:44
Rank: #10114 (+56)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:57:05
Rank: #9940 (+174)
Half → 25K
18:21 | 7:34/mi
30K· 18.64 mi
2:20:44
Rank: #9584 (+356)
25K → 30K
23:39 | 7:37/mi
20M
2:31:13
Rank: #9448 (+136)
30K → 20M
10:29 | 7:43/mi
21M
2:39:04
Rank: #9216 (+232)
20M → 21M
7:51 | 7:51/mi
35K· 21.75 mi
2:44:33
Rank: #9129 (+87)
21M → 35K
5:29 | 7:20/mi
23M
2:54:13
Rank: #9028 (+101)
35K → 23M
9:40 | 7:43/mi
24M
3:01:43
Rank: #8953 (+75)
23M → 24M
7:30 | 7:30/mi
40K· 24.85 mi
3:08:08
Rank: #8856 (+97)
24M → 40K
6:25 | 7:30/mi
25.2M
3:10:54
Rank: #8783 (+73)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:17:56
Rank: #8602 (+181)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:44
Pace7:32 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:39:12
Pace7:34 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5423:307:3423:30
7:34
-
10K
6.21 mi11:15:1246:487:3223:18
7:30
-0:04
15K
9.32 mi11:38:241:10:007:3123:12
7:28
-0:02
20K
12.43 mi12:02:051:33:417:3223:41
7:37
+0:09
Half
13.11 mi12:07:081:38:447:325:03
7:24
-0:13
25K
15.53 mi12:25:291:57:057:3218:21
7:34
+0:10
30K
18.64 mi12:49:082:20:447:3323:39
7:37
+0:03
20M
20.00 mi12:59:372:31:137:3410:29
7:43
+0:06
21M
21.00 mi13:07:282:39:047:347:51
7:51
+0:08
35K
21.75 mi13:12:572:44:337:345:29
7:20
-0:31
23M
23.00 mi13:22:372:54:137:349:40
7:43
+0:23
24M
24.00 mi13:30:073:01:437:347:30
7:30
-0:13
40K
24.85 mi13:36:323:08:087:346:25
7:30
0:00
25.2M
25.20 mi13:39:183:10:547:352:46
8:01
+0:31
Finish
26.22 mi13:46:203:17:567:337:02
6:54
-1:07

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

6:54 /mi

Average Pace

7:33 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:50

61% of race

Time at Steady Pace

1:18:06

39% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:33 /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 mi10:51:5423:307:3423:30
7:34
#10183
10K
6.21 mi11:15:1246:487:3223:18
7:30
#10313
15K
9.32 mi11:38:241:10:007:3123:12
7:28
#10149
20K
12.43 mi12:02:051:33:417:3223:41
7:37
#10170
Half
13.11 mi12:07:081:38:447:325:03
7:24
#10114
25K
15.53 mi12:25:291:57:057:3218:21
7:34
#9940
30K
18.64 mi12:49:082:20:447:3323:39
7:37
#9584
20M
20.00 mi12:59:372:31:137:3410:29
7:43
#9448
21M
21.00 mi13:07:282:39:047:347:51
7:51
#9216
35K
21.75 mi13:12:572:44:337:345:29
7:20
#9129
23M
23.00 mi13:22:372:54:137:349:40
7:43
#9028
24M
24.00 mi13:30:073:01:437:347:30
7:30
#8953
40K
24.85 mi13:36:323:08:087:346:25
7:30
#8856
25.2M
25.20 mi13:39:183:10:547:352:46
8:01
#8783
Finish
26.22 mi13:46:203:17:567:337:02
6:54
#8602
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10183822382239897(Top 37%)8087(Top 53%)8087(Top 359%)
10K6.21 mi3.10 mi10313-1308320-978320-9710421(Top 39%)8389(Top 55%)8389(Top 373%)
15K9.32 mi3.11 mi10149+1648250+708250+709897(Top 37%)8087(Top 53%)8087(Top 359%)
20K12.43 mi3.11 mi10170-218244+68244+610240(Top 38%)8201(Top 54%)8201(Top 364%)
Half13.11 mi0.68 mi10114+568208+368208+369376(Top 35%)7726(Top 51%)7726(Top 343%)
25K15.53 mi2.42 mi9940+1748100+1088100+1089279(Top 35%)7594(Top 50%)7594(Top 337%)
30K18.64 mi3.11 mi9584+3567860+2407860+2408008(Top 30%)6692(Top 44%)6692(Top 297%)
20M20.00 mi1.36 mi9448+1367750+1107750+1108281(Top 31%)6766(Top 45%)6766(Top 300%)
21M21.00 mi1.00 mi9216+2327583+1677583+1676454(Top 24%)5526(Top 36%)5526(Top 245%)
35K21.75 mi0.75 mi9129+877519+647519+647325(Top 28%)6098(Top 40%)6098(Top 271%)
23M23.00 mi1.25 mi9028+1017435+847435+847849(Top 29%)6333(Top 42%)6333(Top 281%)
24M24.00 mi1.00 mi8953+757363+727363+727693(Top 29%)6131(Top 40%)6131(Top 272%)
40K24.85 mi0.85 mi8856+977281+827281+826762(Top 25%)5499(Top 36%)5499(Top 244%)
25.2M25.20 mi0.35 mi8783+737229+527229+526630(Top 25%)5356(Top 35%)5356(Top 238%)
Finish26.22 mi1.02 mi8602+1817110+1197110+1194653(Top 17%)4042(Top 27%)4042(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9897

Males

8087

M45-49

8087

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10421

Males

8389

M45-49

8389

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9897

Males

8087

M45-49

8087

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10240

Males

8201

M45-49

8201

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9376

Males

7726

M45-49

7726

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9279

Males

7594

M45-49

7594

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8008

Males

6692

M45-49

6692

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8281

Males

6766

M45-49

6766

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6454

Males

5526

M45-49

5526

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7325

Males

6098

M45-49

6098

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7849

Males

6333

M45-49

6333

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7693

Males

6131

M45-49

6131

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6762

Males

5499

M45-49

5499

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6630

Males

5356

M45-49

5356

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4653

Males

4042

M45-49

4042

Passing Analysis

Category:
Athletes Passed
2433*
Passed By
852
Net Change
+1581
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10183
5K → 10K250*380-130#10183#10313
10K → 15K271107+164#10313#10149
15K → 20K153*174-21#10149#10170
20K → Half69*13+56#10170#10114
Half → 25K217*43+174#10114#9940
25K → 30K377*21+356#9940#9584
30K → 20M16125+136#9584#9448
20M → 21M2375+232#9448#9216
21M → 35K914+87#9216#9129
35K → 23M13130+101#9129#9028
23M → 24M11136+75#9028#8953
24M → 40K1047+97#8953#8856
40K → 25.2M763+73#8856#8783
25.2M → Finish1854+181#8783#8602
TOTALS2433*852+1581

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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