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BOSTON MARATHON 2023

Eric Vanhorn

Bib: 9405•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 38%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:48
Rank: #11096
Start → 5K
23:48 | 7:40/mi
10K· 6.21 mi
47:06
Rank: #10729 (+367)
5K → 10K
23:18 | 7:30/mi
15K· 9.32 mi
1:10:16
Rank: #10405 (+324)
10K → 15K
23:10 | 7:27/mi
20K· 12.43 mi
1:33:42
Rank: #10183 (+222)
15K → 20K
23:26 | 7:33/mi
Half· 13.11 mi
1:38:52
Rank: #10208 (-25)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:57:01
Rank: #9910 (+298)
Half → 25K
18:09 | 7:29/mi
30K· 18.64 mi
2:20:37
Rank: #9524 (+386)
25K → 30K
23:36 | 7:36/mi
20M
2:31:14
Rank: #9457 (+67)
30K → 20M
10:37 | 7:49/mi
21M
2:39:26
Rank: #9359 (+98)
20M → 21M
8:12 | 8:12/mi
35K· 21.75 mi
2:45:08
Rank: #9336 (+23)
21M → 35K
5:42 | 7:37/mi
23M
2:55:08
Rank: #9315 (+21)
35K → 23M
10:00 | 7:59/mi
24M
3:02:59
Rank: #9329 (-14)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
3:09:44
Rank: #9318 (+11)
24M → 40K
6:45 | 7:54/mi
25.2M
3:12:39
Rank: #9311 (+7)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:20:05
Rank: #9208 (+103)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:52
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:41:13
Pace7:43 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5123:487:4023:48
7:40
-
10K
6.21 mi11:15:0947:067:3523:18
7:30
-0:10
15K
9.32 mi11:38:191:10:167:3223:10
7:27
-0:03
20K
12.43 mi12:01:451:33:427:3223:26
7:33
+0:06
Half
13.11 mi12:06:551:38:527:325:10
7:34
+0:01
25K
15.53 mi12:25:041:57:017:3218:09
7:29
-0:05
30K
18.64 mi12:48:402:20:377:3323:36
7:36
+0:07
20M
20.00 mi12:59:172:31:147:3410:37
7:49
+0:13
21M
21.00 mi13:07:292:39:267:368:12
8:12
+0:23
35K
21.75 mi13:13:112:45:087:365:42
7:37
-0:35
23M
23.00 mi13:23:112:55:087:3710:00
7:59
+0:22
24M
24.00 mi13:31:023:02:597:377:51
7:51
-0:08
40K
24.85 mi13:37:473:09:447:386:45
7:54
+0:03
25.2M
25.20 mi13:40:423:12:397:392:55
8:27
+0:33
Finish
26.22 mi13:48:083:20:057:387:26
7:18
-1:09

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

7:18 /mi

Average Pace

7:38 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:58

94% of race

Time at Steady Pace

11:07

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:51:5123:487:4023:48
7:40
#11096
10K
6.21 mi11:15:0947:067:3523:18
7:30
#10729
15K
9.32 mi11:38:191:10:167:3223:10
7:27
#10405
20K
12.43 mi12:01:451:33:427:3223:26
7:33
#10183
Half
13.11 mi12:06:551:38:527:325:10
7:34
#10208
25K
15.53 mi12:25:041:57:017:3218:09
7:29
#9910
30K
18.64 mi12:48:402:20:377:3323:36
7:36
#9524
20M
20.00 mi12:59:172:31:147:3410:37
7:49
#9457
21M
21.00 mi13:07:292:39:267:368:12
8:12
#9359
35K
21.75 mi13:13:112:45:087:365:42
7:37
#9336
23M
23.00 mi13:23:112:55:087:3710:00
7:59
#9315
24M
24.00 mi13:31:023:02:597:377:51
7:51
#9329
40K
24.85 mi13:37:473:09:447:386:45
7:54
#9318
25.2M
25.20 mi13:40:423:12:397:392:55
8:27
#9311
Finish
26.22 mi13:48:083:20:057:387:26
7:18
#9208
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi11096870087009814(Top 37%)8043(Top 53%)8043(Top 359%)
10K6.21 mi3.10 mi10729+3678521+1798521+17910427(Top 39%)8395(Top 55%)8395(Top 375%)
15K9.32 mi3.11 mi10405+3248376+1458376+1459814(Top 37%)8043(Top 53%)8043(Top 359%)
20K12.43 mi3.11 mi10183+2228251+1258251+1259643(Top 36%)7879(Top 52%)7879(Top 352%)
Half13.11 mi0.68 mi10208-258261-108261-1010728(Top 40%)8454(Top 56%)8454(Top 377%)
25K15.53 mi2.42 mi9910+2988080+1818080+1818669(Top 33%)7247(Top 48%)7247(Top 323%)
30K18.64 mi3.11 mi9524+3867819+2617819+2617921(Top 30%)6643(Top 44%)6643(Top 296%)
20M20.00 mi1.36 mi9457+677755+647755+648945(Top 34%)7159(Top 47%)7159(Top 319%)
21M21.00 mi1.00 mi9359+987672+837672+838605(Top 32%)6841(Top 45%)6841(Top 305%)
35K21.75 mi0.75 mi9336+237637+357637+359373(Top 35%)7278(Top 48%)7278(Top 325%)
23M23.00 mi1.25 mi9315+217600+377600+379630(Top 36%)7303(Top 48%)7303(Top 326%)
24M24.00 mi1.00 mi9329-147592+87592+810119(Top 38%)7453(Top 49%)7453(Top 333%)
40K24.85 mi0.85 mi9318+117552+407552+409277(Top 35%)6963(Top 46%)6963(Top 311%)
25.2M25.20 mi0.35 mi9311+77539+137539+139193(Top 35%)6853(Top 45%)6853(Top 306%)
Finish26.22 mi1.02 mi9208+1037453+867453+867090(Top 27%)5629(Top 37%)5629(Top 251%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9814

Males

8043

M40-44

8043

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10427

Males

8395

M40-44

8395

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9814

Males

8043

M40-44

8043

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9643

Males

7879

M40-44

7879

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10728

Males

8454

M40-44

8454

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8669

Males

7247

M40-44

7247

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7921

Males

6643

M40-44

6643

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

8945

Males

7159

M40-44

7159

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8605

Males

6841

M40-44

6841

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9373

Males

7278

M40-44

7278

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9630

Males

7303

M40-44

7303

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10119

Males

7453

M40-44

7453

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9277

Males

6963

M40-44

6963

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9193

Males

6853

M40-44

6853

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7090

Males

5629

M40-44

5629

Passing Analysis

Category:
Athletes Passed
2598*
Passed By
710
Net Change
+1888
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11096
5K → 10K508141+367#11096#10729
10K → 15K39470+324#10729#10405
15K → 20K271*49+222#10405#10183
20K → Half2348-25#10183#10208
Half → 25K317*19+298#10208#9910
25K → 30K407*21+386#9910#9524
30K → 20M11548+67#9524#9457
20M → 21M13133+98#9457#9359
21M → 35K6138+23#9359#9336
35K → 23M8867+21#9336#9315
23M → 24M5670-14#9315#9329
24M → 40K7665+11#9329#9318
40K → 25.2M3023+7#9318#9311
25.2M → Finish12118+103#9311#9208
TOTALS2598*710+1888

* 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