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BOSTON MARATHON 2023

Dustin Mcelduff

Bib: 13318•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 41%
Masters (Masters Men)
#0 / 9891
Top 28%
Division (M45-49)
#0 / 2252
Top 37%
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
7:34/mi
23:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:22/mi
46:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:09:02
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:32:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:37:01
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:55:00
↑ 66↓ 880.2%
30K· 18.64 mi
7:21/mi
2:17:50
↑ 181↓ 1480.2%
20M
7:22/mi
2:27:50
↑ 64↓ 500.2%
21M
7:37/mi
2:35:27
↑ 106↓ 241.6%
35K· 21.75 mi
7:09/mi
2:40:48
↑ 17↓ 861.7%
23M
7:28/mi
2:50:09
↑ 23↓ 630.6%
24M
7:11/mi
2:57:20
↓ 821.3%
40K· 24.85 mi
7:24/mi
3:03:40
↓ 200.3%
25.2M
7:53/mi
3:06:23
↑ 13↓ 160.2%
Finish· 26.22 mi
7:04/mi
3:13:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:37:01
Pace7:24 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:34
Pace7:22 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2923:297:3423:29
7:34
-
10K
6.21 mi11:14:2146:217:2822:52
7:22
-0:12
15K
9.32 mi11:37:021:09:027:2422:41
7:18
-0:04
20K
12.43 mi12:00:001:32:007:2422:58
7:24
+0:06
Half
13.11 mi12:05:011:37:017:245:01
7:21
-0:03
25K
15.53 mi12:23:001:55:007:2417:59
7:25
+0:04
30K
18.64 mi12:45:502:17:507:2422:50
7:21
-0:04
20M
20.00 mi12:55:502:27:507:2310:00
7:22
+0:01
21M
21.00 mi13:03:272:35:277:247:37
7:37
+0:15
35K
21.75 mi13:08:482:40:487:245:21
7:09
-0:28
23M
23.00 mi13:18:092:50:097:249:21
7:28
+0:19
24M
24.00 mi13:25:202:57:207:237:11
7:11
-0:17
40K
24.85 mi13:31:403:03:407:236:20
7:24
+0:13
25.2M
25.20 mi13:34:233:06:237:242:43
7:53
+0:29
Finish
26.22 mi13:41:353:13:357:237:12
7:04
-0:49

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

7:04 /mi

Average Pace

7:23 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:52

99% of race

Time at Steady Pace

2:43

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:23 /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 mi10:51:2923:297:3423:29
7:34
#10168
10K
6.21 mi11:14:2146:217:2822:52
7:22
#9666
15K
9.32 mi11:37:021:09:027:2422:41
7:18
#9240
20K
12.43 mi12:00:001:32:007:2422:58
7:24
#9030
Half
13.11 mi12:05:011:37:017:245:01
7:21
#9027
25K
15.53 mi12:23:001:55:007:2417:59
7:25
#8861
30K
18.64 mi12:45:502:17:507:2422:50
7:21
#8317
20M
20.00 mi12:55:502:27:507:2310:00
7:22
#8123
21M
21.00 mi13:03:272:35:277:247:37
7:37
#7884
35K
21.75 mi13:08:482:40:487:245:21
7:09
#7806
23M
23.00 mi13:18:092:50:097:249:21
7:28
#7671
24M
24.00 mi13:25:202:57:207:237:11
7:11
#7544
40K
24.85 mi13:31:403:03:407:236:20
7:24
#7468
25.2M
25.20 mi13:34:233:06:237:242:43
7:53
#7442
Finish
26.22 mi13:41:353:13:357:237:12
7:04
#7320
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10168820882088575(Top 32%)7284(Top 48%)7284(Top 323%)
10K6.21 mi3.10 mi9666+5027962+2467962+2469330(Top 35%)7755(Top 51%)7755(Top 344%)
15K9.32 mi3.11 mi9240+4267709+2537709+2538575(Top 32%)7284(Top 48%)7284(Top 323%)
20K12.43 mi3.11 mi9030+2107565+1447565+1448470(Top 32%)7169(Top 47%)7169(Top 318%)
Half13.11 mi0.68 mi9027+37559+67559+69128(Top 34%)7565(Top 50%)7565(Top 336%)
25K15.53 mi2.42 mi8861+1667454+1057454+1058184(Top 31%)6922(Top 46%)6922(Top 307%)
30K18.64 mi3.11 mi8317+5447070+3847070+3846320(Top 24%)5598(Top 37%)5598(Top 249%)
20M20.00 mi1.36 mi8123+1946931+1396931+1395995(Top 23%)5281(Top 35%)5281(Top 235%)
21M21.00 mi1.00 mi7884+2396773+1586773+1585229(Top 20%)4627(Top 30%)4627(Top 205%)
35K21.75 mi0.75 mi7806+786714+596714+596288(Top 24%)5417(Top 36%)5417(Top 241%)
23M23.00 mi1.25 mi7671+1356606+1086606+1086282(Top 24%)5354(Top 35%)5354(Top 238%)
24M24.00 mi1.00 mi7544+1276494+1126494+1125708(Top 21%)4901(Top 32%)4901(Top 218%)
40K24.85 mi0.85 mi7468+766418+766418+766187(Top 23%)5125(Top 34%)5125(Top 228%)
25.2M25.20 mi0.35 mi7442+266390+286390+285935(Top 22%)4867(Top 32%)4867(Top 216%)
Finish26.22 mi1.02 mi7320+1226293+976293+975659(Top 21%)4686(Top 31%)4686(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8575

Males

7284

M45-49

7284

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9330

Males

7755

M45-49

7755

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8575

Males

7284

M45-49

7284

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8470

Males

7169

M45-49

7169

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9128

Males

7565

M45-49

7565

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8184

Males

6922

M45-49

6922

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6320

Males

5598

M45-49

5598

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

5995

Males

5281

M45-49

5281

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5229

Males

4627

M45-49

4627

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6288

Males

5417

M45-49

5417

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6282

Males

5354

M45-49

5354

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5708

Males

4901

M45-49

4901

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6187

Males

5125

M45-49

5125

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5935

Males

4867

M45-49

4867

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5659

Males

4686

M45-49

4686

Passing Analysis

Category:
Athletes Passed
3171*
Passed By
323
Net Change
+2848
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10168
5K → 10K621*119+502#10168#9666
10K → 15K44923+426#9666#9240
15K → 20K24838+210#9240#9030
20K → Half2623+3#9030#9027
Half → 25K18923+166#9027#8861
25K → 30K5517+544#8861#8317
30K → 20M1984+194#8317#8123
20M → 21M2423+239#8123#7884
21M → 35K846+78#7884#7806
35K → 23M15217+135#7806#7671
23M → 24M13912+127#7671#7544
24M → 40K10024+76#7544#7468
40K → 25.2M337+26#7468#7442
25.2M → Finish13917+122#7442#7320
TOTALS3171*323+2848

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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