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BOSTON MARATHON 2023

Collin Nally

Bib: 24964•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
25:14
Rank: #14867
Start → 5K
25:14 | 8:07/mi
10K· 6.21 mi
52:29
Rank: #17512 (-2645)
5K → 10K
27:15 | 8:46/mi
15K· 9.32 mi
1:16:54
Rank: #16186 (+1326)
10K → 15K
24:25 | 7:52/mi
20K· 12.43 mi
1:42:36
Rank: #15951 (+235)
15K → 20K
25:42 | 8:16/mi
Half· 13.11 mi
1:48:06
Rank: #15889 (+62)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:08:29
Rank: #15827 (+62)
Half → 25K
20:23 | 8:24/mi
30K· 18.64 mi
2:36:05
Rank: #15955 (-128)
25K → 30K
27:36 | 8:53/mi
20M
2:48:34
Rank: #16086 (-131)
30K → 20M
12:29 | 9:11/mi
21M
2:59:19
Rank: #16418 (-332)
20M → 21M
10:45 | 10:45/mi
35K· 21.75 mi
3:06:00
Rank: #16456 (-38)
21M → 35K
6:41 | 8:56/mi
23M
3:18:59
Rank: #16882 (-426)
35K → 23M
12:59 | 10:22/mi
24M
3:29:37
Rank: #17308 (-426)
23M → 24M
10:38 | 10:38/mi
40K· 24.85 mi
3:37:50
Rank: #17382 (-74)
24M → 40K
8:13 | 9:37/mi
25.2M
3:41:38
Rank: #17480 (-98)
40K → 25.2M
3:48 | 11:01/mi
Finish· 26.22 mi
3:50:32
Rank: #17451 (+29)
25.2M → Finish
8:54 | 8:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:06
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time2:02:26
Pace9:20 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:1825:148:0725:14
8:07
-
10K
6.21 mi12:07:3352:298:2727:15
8:46
+0:39
15K
9.32 mi12:31:581:16:548:1524:25
7:52
-0:54
20K
12.43 mi12:57:401:42:368:1525:42
8:16
+0:24
Half
13.11 mi13:03:101:48:068:155:30
8:04
-0:12
25K
15.53 mi13:23:332:08:298:1620:23
8:24
+0:20
30K
18.64 mi13:51:092:36:058:2227:36
8:53
+0:29
20M
20.00 mi14:03:382:48:348:2612:29
9:11
+0:18
21M
21.00 mi14:14:232:59:198:3210:45
10:45
+1:34
35K
21.75 mi14:21:043:06:008:336:41
8:56
-1:49
23M
23.00 mi14:34:033:18:598:3912:59
10:22
+1:26
24M
24.00 mi14:44:413:29:378:4410:38
10:38
+0:16
40K
24.85 mi14:52:543:37:508:468:13
9:37
-1:01
25.2M
25.20 mi14:56:423:41:388:483:48
11:01
+1:24
Finish
26.22 mi15:05:363:50:328:488:54
8:44
-2:17

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

7:52 /mi

Average Pace

8:48 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:51

35% of race

Time at Steady Pace

1:43:18

45% of race

Time at Slower Pace

46:23

20% of race

Average Pace: 8:48 /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 mi11:40:1825:148:0725:14
8:07
#14867
10K
6.21 mi12:07:3352:298:2727:15
8:46
#17512
15K
9.32 mi12:31:581:16:548:1524:25
7:52
#16186
20K
12.43 mi12:57:401:42:368:1525:42
8:16
#15951
Half
13.11 mi13:03:101:48:068:155:30
8:04
#15889
25K
15.53 mi13:23:332:08:298:1620:23
8:24
#15827
30K
18.64 mi13:51:092:36:058:2227:36
8:53
#15955
20M
20.00 mi14:03:382:48:348:2612:29
9:11
#16086
21M
21.00 mi14:14:232:59:198:3210:45
10:45
#16418
35K
21.75 mi14:21:043:06:008:336:41
8:56
#16456
23M
23.00 mi14:34:033:18:598:3912:59
10:22
#16882
24M
24.00 mi14:44:413:29:378:4410:38
10:38
#17308
40K
24.85 mi14:52:543:37:508:468:13
9:37
#17382
25.2M
25.20 mi14:56:423:41:388:483:48
11:01
#17480
Finish
26.22 mi15:05:363:50:328:488:54
8:44
#17451
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi14867102921029213178(Top 50%)9575(Top 63%)9575(Top 181%)
10K6.21 mi3.10 mi17512-264511261-96911261-96919782(Top 74%)12190(Top 80%)12190(Top 231%)
15K9.32 mi3.11 mi16186+132610766+49510766+49513178(Top 50%)9575(Top 63%)9575(Top 181%)
20K12.43 mi3.11 mi15951+23510657+10910657+10915428(Top 58%)10429(Top 69%)10429(Top 197%)
Half13.11 mi0.68 mi15889+6210632+2510632+2514832(Top 56%)10249(Top 68%)10249(Top 194%)
25K15.53 mi2.42 mi15827+6210579+5310579+5315621(Top 59%)10390(Top 68%)10390(Top 197%)
30K18.64 mi3.11 mi15955-12810594-1510594-1516564(Top 62%)10722(Top 71%)10722(Top 203%)
20M20.00 mi1.36 mi16086-13110623-2910623-2917466(Top 66%)11011(Top 73%)11011(Top 208%)
21M21.00 mi1.00 mi16418-33210738-11510738-11520248(Top 76%)12164(Top 80%)12164(Top 230%)
35K21.75 mi0.75 mi16456-3810744-610744-617599(Top 66%)10970(Top 72%)10970(Top 208%)
23M23.00 mi1.25 mi16882-42610909-16510909-16520985(Top 79%)12444(Top 82%)12444(Top 235%)
24M24.00 mi1.00 mi17308-42611078-16911078-16922288(Top 84%)13010(Top 86%)13010(Top 246%)
40K24.85 mi0.85 mi17382-7411090-1211090-1218706(Top 70%)11353(Top 75%)11353(Top 215%)
25.2M25.20 mi0.35 mi17480-9811120-3011120-3020471(Top 77%)12138(Top 80%)12138(Top 230%)
Finish26.22 mi1.02 mi17451+2911099+2111099+2116661(Top 63%)10460(Top 69%)10460(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13178

Males

9575

M18-39

9575

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19782

Males

12190

M18-39

12190

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13178

Males

9575

M18-39

9575

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15428

Males

10429

M18-39

10429

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14832

Males

10249

M18-39

10249

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15621

Males

10390

M18-39

10390

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16564

Males

10722

M18-39

10722

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17466

Males

11011

M18-39

11011

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20248

Males

12164

M18-39

12164

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17599

Males

10970

M18-39

10970

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

20985

Males

12444

M18-39

12444

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22288

Males

13010

M18-39

13010

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18706

Males

11353

M18-39

11353

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20471

Males

12138

M18-39

12138

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16661

Males

10460

M18-39

10460

Passing Analysis

Category:
Athletes Passed
2261
Passed By
4845
Net Change
-2584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14867
5K → 10K62651-2645#14867#17512
10K → 15K13359+1326#17512#16186
15K → 20K29661+235#16186#15951
20K → Half719+62#15951#15889
Half → 25K16098+62#15889#15827
25K → 30K139267-128#15827#15955
30K → 20M52183-131#15955#16086
20M → 21M23355-332#16086#16418
21M → 35K3775-38#16418#16456
35K → 23M16442-426#16456#16882
23M → 24M5431-426#16882#17308
24M → 40K40114-74#17308#17382
40K → 25.2M10108-98#17382#17480
25.2M → Finish7142+29#17480#17451
TOTALS22614845-2584
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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