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BOSTON MARATHON 2023

Craig Mcelroy

Bib: 1942 M GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M40-44)
#0 / 2241
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:24/mi
19:54
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:26/mi
39:52
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:25/mi
59:48
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:30/mi
1:20:01
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:28/mi
1:24:26
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:34/mi
1:40:22
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:39/mi
2:01:03
↑ 181↓ 1480.2%
138 ft elev
20M
6:47/mi
2:10:16
↑ 64↓ 500.2%
148 ft elev
21M
7:06/mi
2:17:22
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:37/mi
2:22:19
↑ 17↓ 861.7%
156 ft elev
23M
6:51/mi
2:30:53
↑ 23↓ 630.6%
116 ft elev
24M
6:36/mi
2:37:29
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:41/mi
2:43:12
↓ 200.3%
20 ft elev
25.2M
7:27/mi
2:45:46
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:34/mi
2:52:27
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:24:266:26 /mi⚡ faster
2nd Half
1:28:016:43 /mi+4.2%
Positive split — 4.2% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
19:546:243.11 mi19:54
6:24
-
10K
39:526:253.10 mi19:58
6:26
+0:02
15K
59:486:253.11 mi19:56
6:25
-0:01
20K
1:20:016:263.11 mi20:13
6:30
+0:05
Half(13.11 mi)
1:24:266:260.68 mi4:25
6:28
-0:02
25K
1:40:226:282.42 mi15:56
6:34
+0:06
30K
2:01:036:303.11 mi20:41
6:39
+0:05
20M
2:10:166:311.36 mi9:13
6:47
+0:08
21M
2:17:226:321.00 mi7:06
7:06
+0:19
35K
2:22:196:330.75 mi4:57
6:37
-0:29
23M
2:30:536:341.25 mi8:34
6:51
+0:14
24M
2:37:296:341.00 mi6:36
6:36
-0:15
40K
2:43:126:340.85 mi5:43
6:41
+0:05
25.2M
2:45:466:350.35 mi2:34
7:27
+0:46
Finish(26.22 mi)
2:52:276:351.02 mi6:41
6:34
-0:53
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:24 /mi

Average Pace

6:35 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:42:47

94% of race

Time at Steady Pace

9:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:35 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi183617511751218220952095
10K3.10 mi2071-2351982-2311982-231236622662266
15K3.11 mi2081-101995-131995-13218220952095
20K3.11 mi2134-532045-502045-50232422272227
Half(13.11 mi)0.68 mi2157-232067-222067-22258124752475
25K2.42 mi2206-492115-482115-48254424342434
30K3.11 mi2198+82108+72108+7220421042104
20M1.36 mi2209-112119-112119-11267925332533
21M1.00 mi2212-32121-22121-2260924552455
35K0.75 mi2219-72126-52126-5303728392839
23M1.25 mi2226-72134-82134-8287026802680
24M1.00 mi2223+32133+12133+1253923672367
40K0.85 mi2208+152119+142119+14226821062106
25.2M0.35 mi2209-12120-12120-1354631743174
Finish(26.22 mi)1.02 mi2192+172100+202100+20273924972497

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21story building
+97ft-345ft

Overall

2182

Males

2095

M40-44

2095

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2366

Males

2266

M40-44

2266

10K→15K

6.2 - 9.3 mi

Top 8%
×3story building
+67ft-78ft

Overall

2182

Males

2095

M40-44

2095

15K→20K

9.3 - 12.4 mi

Top 9%
×5story building
+106ft-86ft

Overall

2324

Males

2227

M40-44

2227

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2581

Males

2475

M40-44

2475

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2544

Males

2434

M40-44

2434

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2204

Males

2104

M40-44

2104

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2679

Males

2533

M40-44

2533

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2609

Males

2455

M40-44

2455

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

3037

Males

2839

M40-44

2839

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

2870

Males

2680

M40-44

2680

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2539

Males

2367

M40-44

2367

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2268

Males

2106

M40-44

2106

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3546

Males

3174

M40-44

3174

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2739

Males

2497

M40-44

2497

Passing Analysis

Category:
Passed
469
Passed By
825
Net Change
-356
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1836
5K → 10K35270-235#1836#2071
10K → 15K5868-10#2071#2081
15K → 20K4699-53#2081#2134
20K → Half528-23#2134#2157
Half → 25K2877-49#2157#2206
25K → 30K6961+8#2206#2198
30K → 20M3344-11#2198#2209
20M → 21M3235-3#2209#2212
21M → 35K2027-7#2212#2219
35K → 23M2936-7#2219#2226
23M → 24M3027+3#2226#2223
24M → 40K3924+15#2223#2208
40K → 25.2M89-1#2208#2209
25.2M → Finish3720+17#2209#2192
TOTALS469825-356

Passing Charts

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