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BOSTON MARATHON 2023

Andrew Benfer

Bib: 1512•M

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:04/mi
18:52
↑ 97↓ 3451.5%
10K· 6.21 mi
5:57/mi
37:22
↑ 79↓ 1380.4%
15K· 9.32 mi
5:58/mi
55:53
↑ 67↓ 78
20K· 12.43 mi
6:01/mi
1:14:34
↑ 106↓ 860.1%
Half· 13.11 mi
5:53/mi
1:18:35
↑ 19↓ 370.5%
25K· 15.53 mi
5:58/mi
1:33:04
↑ 66↓ 880.2%
30K· 18.64 mi
6:03/mi
1:51:51
↑ 181↓ 1480.2%
20M
6:04/mi
2:00:06
↑ 64↓ 500.2%
21M
6:19/mi
2:06:25
↑ 106↓ 241.6%
35K· 21.75 mi
5:49/mi
2:10:46
↑ 17↓ 861.7%
23M
6:05/mi
2:18:23
↑ 23↓ 630.6%
24M
6:03/mi
2:24:26
↓ 821.3%
40K· 24.85 mi
6:12/mi
2:29:44
↓ 200.3%
25.2M
6:40/mi
2:32:02
↑ 13↓ 160.2%
Finish· 26.22 mi
5:53/mi
2:38:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:35
Pace6:00 /mi
2nd Half
Distance13.11 mi
Time1:19:27
Pace6:04 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1218:526:0418:52
6:04
-
10K
6.21 mi10:37:4237:226:0118:30
5:57
-0:07
15K
9.32 mi10:56:1355:536:0018:31
5:58
+0:01
20K
12.43 mi11:14:541:14:346:0018:41
6:01
+0:03
Half
13.11 mi11:18:551:18:356:004:01
5:53
-0:08
25K
15.53 mi11:33:241:33:045:5914:29
5:58
+0:05
30K
18.64 mi11:52:111:51:516:0018:47
6:03
+0:05
20M
20.00 mi12:00:262:00:066:008:15
6:04
+0:01
21M
21.00 mi12:06:452:06:256:016:19
6:19
+0:15
35K
21.75 mi12:11:062:10:466:014:21
5:49
-0:30
23M
23.00 mi12:18:432:18:236:017:37
6:05
+0:16
24M
24.00 mi12:24:462:24:266:016:03
6:03
-0:02
40K
24.85 mi12:30:042:29:446:015:18
6:12
+0:09
25.2M
25.20 mi12:32:222:32:026:022:18
6:40
+0:28
Finish
26.22 mi12:38:222:38:026:026:00
5:53
-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

5:49 /mi

Average Pace

6:02 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:44

99% of race

Time at Steady Pace

2:18

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:02 /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 mi10:19:1218:526:0418:52
6:04
#822
10K
6.21 mi10:37:4237:226:0118:30
5:57
#760
15K
9.32 mi10:56:1355:536:0018:31
5:58
#707
20K
12.43 mi11:14:541:14:346:0018:41
6:01
#669
Half
13.11 mi11:18:551:18:356:004:01
5:53
#661
25K
15.53 mi11:33:241:33:045:5914:29
5:58
#624
30K
18.64 mi11:52:111:51:516:0018:47
6:03
#573
20M
20.00 mi12:00:262:00:066:008:15
6:04
#557
21M
21.00 mi12:06:452:06:256:016:19
6:19
#543
35K
21.75 mi12:11:062:10:466:014:21
5:49
#529
23M
23.00 mi12:18:432:18:236:017:37
6:05
#508
24M
24.00 mi12:24:462:24:266:016:03
6:03
#508
40K
24.85 mi12:30:042:29:446:015:18
6:12
#505
25.2M
25.20 mi12:32:222:32:026:022:18
6:40
#507
Finish
26.22 mi12:38:222:38:026:026:00
5:53
#490
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi822773773621(Top 2%)578(Top 4%)578(Top 11%)
10K6.21 mi3.10 mi760+62716+57716+57700(Top 3%)656(Top 4%)656(Top 12%)
15K9.32 mi3.11 mi707+53663+53663+53621(Top 2%)578(Top 4%)578(Top 11%)
20K12.43 mi3.11 mi669+38626+37626+37578(Top 2%)538(Top 4%)538(Top 10%)
Half13.11 mi0.68 mi661+8618+8618+8519(Top 2%)481(Top 3%)481(Top 9%)
25K15.53 mi2.42 mi624+37583+35583+35505(Top 2%)468(Top 3%)468(Top 9%)
30K18.64 mi3.11 mi573+51533+50533+50431(Top 2%)399(Top 3%)399(Top 8%)
20M20.00 mi1.36 mi557+16517+16517+16442(Top 2%)408(Top 3%)408(Top 8%)
21M21.00 mi1.00 mi543+14504+13504+13370(Top 1%)341(Top 2%)341(Top 6%)
35K21.75 mi0.75 mi529+14491+13491+13393(Top 1%)364(Top 2%)364(Top 7%)
23M23.00 mi1.25 mi508+21471+20471+20427(Top 2%)399(Top 3%)399(Top 8%)
24M24.00 mi1.00 mi508471471638(Top 2%)603(Top 4%)603(Top 11%)
40K24.85 mi0.85 mi505+3468+3468+3645(Top 2%)609(Top 4%)609(Top 12%)
25.2M25.20 mi0.35 mi507-2470-2470-2781(Top 3%)742(Top 5%)742(Top 14%)
Finish26.22 mi1.02 mi490+17455+15455+15500(Top 2%)477(Top 3%)477(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

621

Males

578

M18-39

578

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

700

Males

656

M18-39

656

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

621

Males

578

M18-39

578

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

578

Males

538

M18-39

538

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

519

Males

481

M18-39

481

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

505

Males

468

M18-39

468

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

431

Males

399

M18-39

399

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

442

Males

408

M18-39

408

20M→21M

20.0 - 21.0 mi

Top 1%
×8story building
+106ft-24ft

Overall

370

Males

341

M18-39

341

21M→35K

21.0 - 21.8 mi

Top 1%
×7story building
+17ft-86ft

Overall

393

Males

364

M18-39

364

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

427

Males

399

M18-39

399

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

638

Males

603

M18-39

603

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

645

Males

609

M18-39

609

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

781

Males

742

M18-39

742

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

500

Males

477

M18-39

477

Passing Analysis

Category:
Athletes Passed
394
Passed By
62
Net Change
+332
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#822
5K → 10K7715+62#822#760
10K → 15K585+53#760#707
15K → 20K402+38#707#669
20K → Half80+8#669#661
Half → 25K436+37#661#624
25K → 30K521+51#624#573
30K → 20M182+16#573#557
20M → 21M217+14#557#543
21M → 35K140+14#543#529
35K → 23M232+21#529#508
23M → 24M990#508#508
24M → 40K96+3#508#505
40K → 25.2M35-2#505#507
25.2M → Finish192+17#507#490
TOTALS39462+332
📊

Passing Visuals

Category:
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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