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BOSTON MARATHON 2023

Todd Borg

Bib: 8468•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M40-44)
#0 / 2241
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:38
Rank: #3165
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
41:12
Rank: #3384 (-219)
5K → 10K
20:34 | 6:37/mi
15K· 9.32 mi
1:01:45
Rank: #3385 (-1)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:22:24
Rank: #3302 (+83)
15K → 20K
20:39 | 6:39/mi
Half· 13.11 mi
1:28:04
Rank: #4045 (-743)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
1:43:57
Rank: #3696 (+349)
Half → 25K
15:53 | 6:33/mi
30K· 18.64 mi
2:07:41
Rank: #4745 (-1049)
25K → 30K
23:44 | 7:38/mi
20M
2:16:38
Rank: #4434 (+311)
30K → 20M
8:57 | 6:35/mi
21M
2:23:14
Rank: #4058 (+376)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:27:39
Rank: #3773 (+285)
21M → 35K
4:25 | 5:54/mi
23M
2:35:22
Rank: #3360 (+413)
35K → 23M
7:43 | 6:10/mi
24M
2:41:19
Rank: #3123 (+237)
23M → 24M
5:57 | 5:57/mi
40K· 24.85 mi
2:46:46
Rank: #2973 (+150)
24M → 40K
5:27 | 6:23/mi
25.2M
2:48:58
Rank: #2878 (+95)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:55:23
Rank: #2791 (+87)
25.2M → Finish
6:25 | 6:18/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:04
Pace6:43 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:19
Pace6:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:4320:386:3820:38
6:38
-
10K
6.21 mi11:06:1741:126:3820:34
6:37
-0:01
15K
9.32 mi11:26:501:01:456:3820:33
6:37
0:00
20K
12.43 mi11:47:291:22:246:3820:39
6:39
+0:02
Half
13.11 mi11:53:091:28:046:435:40
8:18
+1:39
25K
15.53 mi12:09:021:43:576:4115:53
6:33
-1:45
30K
18.64 mi12:32:462:07:416:5123:44
7:38
+1:05
20M
20.00 mi12:41:432:16:386:508:57
6:35
-1:03
21M
21.00 mi12:48:192:23:146:496:36
6:36
+0:01
35K
21.75 mi12:52:442:27:396:474:25
5:54
-0:42
23M
23.00 mi13:00:272:35:226:457:43
6:10
+0:16
24M
24.00 mi13:06:242:41:196:435:57
5:57
-0:13
40K
24.85 mi13:11:512:46:466:435:27
6:23
+0:26
25.2M
25.20 mi13:14:032:48:586:422:12
6:23
0:00
Finish
26.22 mi13:20:282:55:236:426:25
6:18
-0:05

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

5:54 /mi

Average Pace

6:42 /mi

Slowest Pace

8:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:05

10% of race

Time at Steady Pace

2:07:54

73% of race

Time at Slower Pace

29:24

17% 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 mi10:45:4320:386:3820:38
6:38
#3165
10K
6.21 mi11:06:1741:126:3820:34
6:37
#3384
15K
9.32 mi11:26:501:01:456:3820:33
6:37
#3385
20K
12.43 mi11:47:291:22:246:3820:39
6:39
#3302
Half
13.11 mi11:53:091:28:046:435:40
8:18
#4045
25K
15.53 mi12:09:021:43:576:4115:53
6:33
#3696
30K
18.64 mi12:32:462:07:416:5123:44
7:38
#4745
20M
20.00 mi12:41:432:16:386:508:57
6:35
#4434
21M
21.00 mi12:48:192:23:146:496:36
6:36
#4058
35K
21.75 mi12:52:442:27:396:474:25
5:54
#3773
23M
23.00 mi13:00:272:35:226:457:43
6:10
#3360
24M
24.00 mi13:06:242:41:196:435:57
5:57
#3123
40K
24.85 mi13:11:512:46:466:435:27
6:23
#2973
25.2M
25.20 mi13:14:032:48:586:422:12
6:23
#2878
Finish
26.22 mi13:20:282:55:236:426:25
6:18
#2791
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3165299329933393(Top 13%)3218(Top 21%)3218(Top 144%)
10K6.21 mi3.10 mi3384-2193201-2083201-2083628(Top 14%)3425(Top 23%)3425(Top 153%)
15K9.32 mi3.11 mi3385-13207-63207-63393(Top 13%)3218(Top 21%)3218(Top 144%)
20K12.43 mi3.11 mi3302+833139+683139+683142(Top 12%)2988(Top 20%)2988(Top 133%)
Half13.11 mi0.68 mi4045-7433799-6603799-66016459(Top 62%)10851(Top 72%)10851(Top 484%)
25K15.53 mi2.42 mi3696+3493493+3063493+3062431(Top 9%)2327(Top 15%)2327(Top 104%)
30K18.64 mi3.11 mi4745-10494418-9254418-9258210(Top 31%)6806(Top 45%)6806(Top 304%)
20M20.00 mi1.36 mi4434+3114140+2784140+2781815(Top 7%)1731(Top 11%)1731(Top 77%)
21M21.00 mi1.00 mi4058+3763805+3353805+335888(Top 3%)842(Top 6%)842(Top 38%)
35K21.75 mi0.75 mi3773+2853555+2503555+250531(Top 2%)495(Top 3%)495(Top 22%)
23M23.00 mi1.25 mi3360+4133182+3733182+373574(Top 2%)543(Top 4%)543(Top 24%)
24M24.00 mi1.00 mi3123+2372961+2212961+221472(Top 2%)445(Top 3%)445(Top 20%)
40K24.85 mi0.85 mi2973+1502820+1412820+1411155(Top 4%)1090(Top 7%)1090(Top 49%)
25.2M25.20 mi0.35 mi2878+952735+852735+85291(Top 1%)270(Top 2%)270(Top 12%)
Finish26.22 mi1.02 mi2791+872652+832652+831633(Top 6%)1538(Top 10%)1538(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3393

Males

3218

M40-44

3218

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3628

Males

3425

M40-44

3425

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3393

Males

3218

M40-44

3218

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3142

Males

2988

M40-44

2988

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16459

Males

10851

M40-44

10851

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2431

Males

2327

M40-44

2327

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8210

Males

6806

M40-44

6806

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1815

Males

1731

M40-44

1731

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

888

Males

842

M40-44

842

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

531

Males

495

M40-44

495

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

574

Males

543

M40-44

543

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

472

Males

445

M40-44

445

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1155

Males

1090

M40-44

1090

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

291

Males

270

M40-44

270

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1633

Males

1538

M40-44

1538

Passing Analysis

Category:
Athletes Passed
2625
Passed By
2251
Net Change
+374
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3165
5K → 10K89308-219#3165#3384
10K → 15K9394-1#3384#3385
15K → 20K12441+83#3385#3302
20K → Half0743-743#3302#4045
Half → 25K3512+349#4045#3696
25K → 30K61055-1049#3696#4745
30K → 20M3110+311#4745#4434
20M → 21M3760+376#4434#4058
21M → 35K2850+285#4058#3773
35K → 23M4130+413#3773#3360
23M → 24M2370+237#3360#3123
24M → 40K1511+150#3123#2973
40K → 25.2M950+95#2973#2878
25.2M → Finish947+87#2878#2791
TOTALS26252251+374
📊

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