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BOSTON MARATHON 2023

Brendan Lally

Bib: 10803•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 43%
Masters (Masters Men)
#0 / 9891
Top 30%
Division (M45-49)
#0 / 2252
Top 40%
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
7:23/mi
22:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:08:25
↑ 67↓ 78
20K· 12.43 mi
7:20/mi
1:31:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:36:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:33/mi
1:54:27
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:17:57
↑ 181↓ 1480.2%
20M
7:27/mi
2:28:04
↑ 64↓ 500.2%
21M
8:02/mi
2:36:06
↑ 106↓ 241.6%
35K· 21.75 mi
7:08/mi
2:41:26
↑ 17↓ 861.7%
23M
7:31/mi
2:50:51
↑ 23↓ 630.6%
24M
7:25/mi
2:58:16
↓ 821.3%
40K· 24.85 mi
7:36/mi
3:04:46
↓ 200.3%
25.2M
8:07/mi
3:07:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:16/mi
3:14:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:09
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:38:49
Pace7:32 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1422:577:2322:57
7:23
-
10K
6.21 mi11:12:2046:037:2523:06
7:26
+0:03
15K
9.32 mi11:34:421:08:257:2022:22
7:12
-0:14
20K
12.43 mi11:57:301:31:137:2022:48
7:20
+0:08
Half
13.11 mi12:02:261:36:097:204:56
7:14
-0:06
25K
15.53 mi12:20:441:54:277:2218:18
7:33
+0:19
30K
18.64 mi12:44:142:17:577:2423:30
7:34
+0:01
20M
20.00 mi12:54:212:28:047:2410:07
7:27
-0:07
21M
21.00 mi13:02:232:36:067:268:02
8:02
+0:35
35K
21.75 mi13:07:432:41:267:255:20
7:08
-0:54
23M
23.00 mi13:17:082:50:517:269:25
7:31
+0:23
24M
24.00 mi13:24:332:58:167:267:25
7:25
-0:06
40K
24.85 mi13:31:033:04:467:266:30
7:36
+0:11
25.2M
25.20 mi13:33:513:07:347:272:48
8:07
+0:31
Finish
26.22 mi13:41:153:14:587:267:24
7:16
-0:51

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

7:08 /mi

Average Pace

7:26 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:08

94% of race

Time at Steady Pace

10:50

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:49:1422:577:2322:57
7:23
#8711
10K
6.21 mi11:12:2046:037:2523:06
7:26
#9254
15K
9.32 mi11:34:421:08:257:2022:22
7:12
#8768
20K
12.43 mi11:57:301:31:137:2022:48
7:20
#8549
Half
13.11 mi12:02:261:36:097:204:56
7:14
#8520
25K
15.53 mi12:20:441:54:277:2218:18
7:33
#8573
30K
18.64 mi12:44:142:17:577:2423:30
7:34
#8356
20M
20.00 mi12:54:212:28:047:2410:07
7:27
#8200
21M
21.00 mi13:02:232:36:067:268:02
8:02
#8133
35K
21.75 mi13:07:432:41:267:255:20
7:08
#8036
23M
23.00 mi13:17:082:50:517:269:25
7:31
#7911
24M
24.00 mi13:24:332:58:167:267:25
7:25
#7857
40K
24.85 mi13:31:033:04:467:266:30
7:36
#7811
25.2M
25.20 mi13:33:513:07:347:272:48
8:07
#7789
Finish
26.22 mi13:41:153:14:587:267:24
7:16
#7715
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8711742074207783(Top 29%)6776(Top 45%)6776(Top 301%)
10K6.21 mi3.10 mi9254-5437725-3057725-3059913(Top 37%)8118(Top 53%)8118(Top 360%)
15K9.32 mi3.11 mi8768+4867418+3077418+3077783(Top 29%)6776(Top 45%)6776(Top 301%)
20K12.43 mi3.11 mi8549+2197278+1407278+1408065(Top 30%)6929(Top 46%)6929(Top 308%)
Half13.11 mi0.68 mi8520+297268+107268+108056(Top 30%)6928(Top 46%)6928(Top 308%)
25K15.53 mi2.42 mi8573-537274-67274-69115(Top 34%)7500(Top 49%)7500(Top 333%)
30K18.64 mi3.11 mi8356+2177097+1777097+1777665(Top 29%)6489(Top 43%)6489(Top 288%)
20M20.00 mi1.36 mi8200+1566981+1166981+1166443(Top 24%)5612(Top 37%)5612(Top 249%)
21M21.00 mi1.00 mi8133+676920+616920+617537(Top 28%)6205(Top 41%)6205(Top 276%)
35K21.75 mi0.75 mi8036+976847+736847+736098(Top 23%)5306(Top 35%)5306(Top 236%)
23M23.00 mi1.25 mi7911+1256748+996748+996539(Top 25%)5535(Top 36%)5535(Top 246%)
24M24.00 mi1.00 mi7857+546692+566692+567152(Top 27%)5802(Top 38%)5802(Top 258%)
40K24.85 mi0.85 mi7811+466644+486644+487319(Top 27%)5818(Top 38%)5818(Top 258%)
25.2M25.20 mi0.35 mi7789+226625+196625+197168(Top 27%)5682(Top 37%)5682(Top 252%)
Finish26.22 mi1.02 mi7715+746557+686557+686828(Top 26%)5463(Top 36%)5463(Top 243%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

7783

Males

6776

M45-49

6776

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9913

Males

8118

M45-49

8118

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

7783

Males

6776

M45-49

6776

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8065

Males

6929

M45-49

6929

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8056

Males

6928

M45-49

6928

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9115

Males

7500

M45-49

7500

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7665

Males

6489

M45-49

6489

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6443

Males

5612

M45-49

5612

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7537

Males

6205

M45-49

6205

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6098

Males

5306

M45-49

5306

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6539

Males

5535

M45-49

5535

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7152

Males

5802

M45-49

5802

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7319

Males

5818

M45-49

5818

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7168

Males

5682

M45-49

5682

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6828

Males

5463

M45-49

5463

Passing Analysis

Category:
Athletes Passed
2090
Passed By
1094
Net Change
+996
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8711
5K → 10K90633-543#8711#9254
10K → 15K50418+486#9254#8768
15K → 20K25637+219#8768#8549
20K → Half4920+29#8549#8520
Half → 25K78131-53#8520#8573
25K → 30K28366+217#8573#8356
30K → 20M1659+156#8356#8200
20M → 21M10134+67#8200#8133
21M → 35K1069+97#8133#8036
35K → 23M14823+125#8036#7911
23M → 24M9137+54#7911#7857
24M → 40K7630+46#7857#7811
40K → 25.2M3816+22#7811#7789
25.2M → Finish10531+74#7789#7715
TOTALS20901094+996
📊

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