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BOSTON MARATHON 2023

Nicholas Durack

Bib: 27764•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 48%
Division (M40-44)
#0 / 2241
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
8:45/mi
27:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:37/mi
50:53
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:14:51
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:39:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:44:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
2:03:03
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:27:42
↑ 181↓ 1480.2%
20M
7:59/mi
2:38:33
↑ 64↓ 500.2%
21M
8:27/mi
2:47:00
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:52:39
↑ 17↓ 861.7%
23M
8:00/mi
3:02:40
↑ 23↓ 630.6%
24M
7:42/mi
3:10:22
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:17:03
↓ 200.3%
25.2M
8:39/mi
3:20:02
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:27:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:44:17
Pace7:57 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:39
Pace7:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3927:128:4527:12
8:45
-
10K
6.21 mi12:12:2050:538:1123:41
7:37
-1:08
15K
9.32 mi12:36:181:14:518:0223:58
7:43
+0:06
20K
12.43 mi13:00:281:39:017:5824:10
7:47
+0:04
Half
13.11 mi13:05:441:44:177:575:16
7:43
-0:04
25K
15.53 mi13:24:302:03:037:5518:46
7:44
+0:01
30K
18.64 mi13:49:092:27:427:5524:39
7:56
+0:12
20M
20.00 mi14:00:002:38:337:5610:51
7:59
+0:03
21M
21.00 mi14:08:272:47:007:578:27
8:27
+0:28
35K
21.75 mi14:14:062:52:397:565:39
7:33
-0:54
23M
23.00 mi14:24:073:02:407:5710:01
8:00
+0:27
24M
24.00 mi14:31:493:10:227:567:42
7:42
-0:18
40K
24.85 mi14:38:303:17:037:566:41
7:49
+0:07
25.2M
25.20 mi14:41:293:20:027:562:59
8:39
+0:50
Finish
26.22 mi14:49:233:27:567:567:54
7:45
-0:54

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

7:33 /mi

Average Pace

7:56 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:18

81% of race

Time at Steady Pace

38:38

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi11:48:3927:128:4527:12
8:45
#19197
10K
6.21 mi12:12:2050:538:1123:41
7:37
#15732
15K
9.32 mi12:36:181:14:518:0223:58
7:43
#14567
20K
12.43 mi13:00:281:39:017:5824:10
7:47
#13839
Half
13.11 mi13:05:441:44:177:575:16
7:43
#13738
25K
15.53 mi13:24:302:03:037:5518:46
7:44
#13234
30K
18.64 mi13:49:092:27:427:5524:39
7:56
#12659
20M
20.00 mi14:00:002:38:337:5610:51
7:59
#12439
21M
21.00 mi14:08:272:47:007:578:27
8:27
#12275
35K
21.75 mi14:14:062:52:397:565:39
7:33
#12144
23M
23.00 mi14:24:073:02:407:5710:01
8:00
#11987
24M
24.00 mi14:31:493:10:227:567:42
7:42
#11847
40K
24.85 mi14:38:303:17:037:566:41
7:49
#11708
25.2M
25.20 mi14:41:293:20:027:562:59
8:39
#11680
Finish
26.22 mi14:49:233:27:567:567:54
7:45
#11593
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi19197118461184611947(Top 45%)9058(Top 60%)9058(Top 404%)
10K6.21 mi3.10 mi15732+346510597+124910597+124911521(Top 43%)8891(Top 59%)8891(Top 397%)
15K9.32 mi3.11 mi14567+116510156+44110156+44111947(Top 45%)9058(Top 60%)9058(Top 404%)
20K12.43 mi3.11 mi13839+7289836+3209836+32011539(Top 43%)8819(Top 58%)8819(Top 394%)
Half13.11 mi0.68 mi13738+1019795+419795+4111985(Top 45%)9062(Top 60%)9062(Top 404%)
25K15.53 mi2.42 mi13234+5049577+2189577+21810604(Top 40%)8304(Top 55%)8304(Top 371%)
30K18.64 mi3.11 mi12659+5759291+2869291+28610393(Top 39%)8035(Top 53%)8035(Top 359%)
20M20.00 mi1.36 mi12439+2209188+1039188+10310151(Top 38%)7839(Top 52%)7839(Top 350%)
21M21.00 mi1.00 mi12275+1649096+929096+9210172(Top 38%)7702(Top 51%)7702(Top 344%)
35K21.75 mi0.75 mi12144+1319013+839013+838923(Top 34%)7047(Top 46%)7047(Top 314%)
23M23.00 mi1.25 mi11987+1578918+958918+959728(Top 37%)7351(Top 48%)7351(Top 328%)
24M24.00 mi1.00 mi11847+1408851+678851+679082(Top 34%)6938(Top 46%)6938(Top 310%)
40K24.85 mi0.85 mi11708+1398767+848767+848785(Top 33%)6709(Top 44%)6709(Top 299%)
25.2M25.20 mi0.35 mi11680+288743+248743+2410420(Top 39%)7518(Top 50%)7518(Top 335%)
Finish26.22 mi1.02 mi11593+878672+718672+7110309(Top 39%)7454(Top 49%)7454(Top 333%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11947

Males

9058

M40-44

9058

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11521

Males

8891

M40-44

8891

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11947

Males

9058

M40-44

9058

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11539

Males

8819

M40-44

8819

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11985

Males

9062

M40-44

9062

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10604

Males

8304

M40-44

8304

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10393

Males

8035

M40-44

8035

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10151

Males

7839

M40-44

7839

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10172

Males

7702

M40-44

7702

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

8923

Males

7047

M40-44

7047

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9728

Males

7351

M40-44

7351

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9082

Males

6938

M40-44

6938

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8785

Males

6709

M40-44

6709

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10420

Males

7518

M40-44

7518

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10309

Males

7454

M40-44

7454

Passing Analysis

Category:
Athletes Passed
7771
Passed By
167
Net Change
+7604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19197
5K → 10K34694+3465#19197#15732
10K → 15K11683+1165#15732#14567
15K → 20K7346+728#14567#13839
20K → Half1043+101#13839#13738
Half → 25K5073+504#13738#13234
25K → 30K5838+575#13234#12659
30K → 20M23919+220#12659#12439
20M → 21M18925+164#12439#12275
21M → 35K1343+131#12275#12144
35K → 23M17417+157#12144#11987
23M → 24M15313+140#11987#11847
24M → 40K15011+139#11847#11708
40K → 25.2M4113+28#11708#11680
25.2M → Finish12639+87#11680#11593
TOTALS7771167+7604
📊

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