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BOSTON MARATHON 2023

Brendan Eng

Bib: 4766•M

OR

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
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
21:01
Rank: #4317
Start → 5K
21:01 | 6:46/mi
10K· 6.21 mi
41:28
Rank: #3732 (+585)
5K → 10K
20:27 | 6:35/mi
15K· 9.32 mi
1:01:59
Rank: #3563 (+169)
10K → 15K
20:31 | 6:36/mi
20K· 12.43 mi
1:22:42
Rank: #3495 (+68)
15K → 20K
20:43 | 6:40/mi
Half· 13.11 mi
1:27:14
Rank: #3497 (-2)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:05
Rank: #3774 (-277)
Half → 25K
16:51 | 6:57/mi
30K· 18.64 mi
2:06:33
Rank: #4207 (-433)
25K → 30K
22:28 | 7:14/mi
20M
2:16:47
Rank: #4500 (-293)
30K → 20M
10:14 | 7:32/mi
21M
2:24:42
Rank: #4670 (-170)
20M → 21M
7:55 | 7:55/mi
35K· 21.75 mi
2:30:26
Rank: #4845 (-175)
21M → 35K
5:44 | 7:40/mi
23M
2:40:16
Rank: #5041 (-196)
35K → 23M
9:50 | 7:51/mi
24M
2:48:00
Rank: #5143 (-102)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
2:54:35
Rank: #5195 (-52)
24M → 40K
6:35 | 7:42/mi
25.2M
2:57:27
Rank: #5213 (-18)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:04:58
Rank: #5252 (-39)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:14
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:37:44
Pace7:27 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4421:016:4621:01
6:46
-
10K
6.21 mi10:44:1141:286:4020:27
6:35
-0:11
15K
9.32 mi11:04:421:01:596:3920:31
6:36
+0:01
20K
12.43 mi11:25:251:22:426:3920:43
6:40
+0:04
Half
13.11 mi11:29:571:27:146:394:32
6:39
-0:01
25K
15.53 mi11:46:481:44:056:4216:51
6:57
+0:18
30K
18.64 mi12:09:162:06:336:4722:28
7:14
+0:17
20M
20.00 mi12:19:302:16:476:5010:14
7:32
+0:18
21M
21.00 mi12:27:252:24:426:537:55
7:55
+0:23
35K
21.75 mi12:33:092:30:266:555:44
7:40
-0:15
23M
23.00 mi12:42:592:40:166:589:50
7:51
+0:11
24M
24.00 mi12:50:432:48:007:007:44
7:44
-0:07
40K
24.85 mi12:57:182:54:357:016:35
7:42
-0:02
25.2M
25.20 mi13:00:102:57:277:032:52
8:19
+0:37
Finish
26.22 mi13:07:413:04:587:047:31
7:23
-0:56

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

6:35 /mi

Average Pace

7:04 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:05

56% of race

Time at Steady Pace

40:13

22% of race

Time at Slower Pace

40:40

22% of race

Average Pace: 7:03 /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 mi10:23:4421:016:4621:01
6:46
#4317
10K
6.21 mi10:44:1141:286:4020:27
6:35
#3732
15K
9.32 mi11:04:421:01:596:3920:31
6:36
#3563
20K
12.43 mi11:25:251:22:426:3920:43
6:40
#3495
Half
13.11 mi11:29:571:27:146:394:32
6:39
#3497
25K
15.53 mi11:46:481:44:056:4216:51
6:57
#3774
30K
18.64 mi12:09:162:06:336:4722:28
7:14
#4207
20M
20.00 mi12:19:302:16:476:5010:14
7:32
#4500
21M
21.00 mi12:27:252:24:426:537:55
7:55
#4670
35K
21.75 mi12:33:092:30:266:555:44
7:40
#4845
23M
23.00 mi12:42:592:40:166:589:50
7:51
#5041
24M
24.00 mi12:50:432:48:007:007:44
7:44
#5143
40K
24.85 mi12:57:182:54:357:016:35
7:42
#5195
25.2M
25.20 mi13:00:102:57:277:032:52
8:19
#5213
Finish
26.22 mi13:07:413:04:587:047:31
7:23
#5252
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4317403540353336(Top 13%)3166(Top 21%)3166(Top 60%)
10K6.21 mi3.10 mi3732+5853521+5143521+5143372(Top 13%)3209(Top 21%)3209(Top 61%)
15K9.32 mi3.11 mi3563+1693370+1513370+1513336(Top 13%)3166(Top 21%)3166(Top 60%)
20K12.43 mi3.11 mi3495+683312+583312+583330(Top 13%)3160(Top 21%)3160(Top 60%)
Half13.11 mi0.68 mi3497-2331233123874(Top 15%)3658(Top 24%)3658(Top 69%)
25K15.53 mi2.42 mi3774-2773565-2533565-2535290(Top 20%)4877(Top 32%)4877(Top 92%)
30K18.64 mi3.11 mi4207-4333950-3853950-3855654(Top 21%)5114(Top 34%)5114(Top 97%)
20M20.00 mi1.36 mi4500-2934196-2464196-2466957(Top 26%)5935(Top 39%)5935(Top 112%)
21M21.00 mi1.00 mi4670-1704349-1534349-1536793(Top 26%)5727(Top 38%)5727(Top 108%)
35K21.75 mi0.75 mi4845-1754499-1504499-1509640(Top 36%)7412(Top 49%)7412(Top 140%)
23M23.00 mi1.25 mi5041-1964643-1444643-1448732(Top 33%)6813(Top 45%)6813(Top 129%)
24M24.00 mi1.00 mi5143-1024726-834726-839254(Top 35%)7006(Top 46%)7006(Top 133%)
40K24.85 mi0.85 mi5195-524765-394765-397919(Top 30%)6182(Top 41%)6182(Top 117%)
25.2M25.20 mi0.35 mi5213-184776-114776-118265(Top 31%)6297(Top 41%)6297(Top 119%)
Finish26.22 mi1.02 mi5252-394802-264802-267579(Top 28%)5908(Top 39%)5908(Top 112%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3336

Males

3166

M18-39

3166

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3372

Males

3209

M18-39

3209

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3336

Males

3166

M18-39

3166

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3330

Males

3160

M18-39

3160

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3874

Males

3658

M18-39

3658

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5290

Males

4877

M18-39

4877

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5654

Males

5114

M18-39

5114

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6957

Males

5935

M18-39

5935

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6793

Males

5727

M18-39

5727

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9640

Males

7412

M18-39

7412

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8732

Males

6813

M18-39

6813

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9254

Males

7006

M18-39

7006

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7919

Males

6182

M18-39

6182

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8265

Males

6297

M18-39

6297

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7579

Males

5908

M18-39

5908

Passing Analysis

Category:
Athletes Passed
1215
Passed By
2150
Net Change
-935
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4317
5K → 10K62843+585#4317#3732
10K → 15K20738+169#3732#3563
15K → 20K11547+68#3563#3495
20K → Half1719-2#3495#3497
Half → 25K29306-277#3497#3774
25K → 30K29462-433#3774#4207
30K → 20M17310-293#4207#4500
20M → 21M23193-170#4500#4670
21M → 35K13188-175#4670#4845
35K → 23M29225-196#4845#5041
23M → 24M27129-102#5041#5143
24M → 40K2779-52#5143#5195
40K → 25.2M1735-18#5195#5213
25.2M → Finish3776-39#5213#5252
TOTALS12152150-935
📊

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