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BOSTON MARATHON 2023

Robert Ahern

Bib: 6957•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 36%
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
21:23
Rank: #5443
Start → 5K
21:23 | 6:53/mi
10K· 6.21 mi
42:55
Rank: #5872 (-429)
5K → 10K
21:32 | 6:56/mi
15K· 9.32 mi
1:04:55
Rank: #6287 (-415)
10K → 15K
22:00 | 7:05/mi
20K· 12.43 mi
1:27:27
Rank: #6557 (-270)
15K → 20K
22:32 | 7:15/mi
Half· 13.11 mi
1:32:14
Rank: #6564 (-7)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:50:53
Rank: #6992 (-428)
Half → 25K
18:39 | 7:42/mi
30K· 18.64 mi
2:16:20
Rank: #7731 (-739)
25K → 30K
25:27 | 8:11/mi
20M
2:27:55
Rank: #8143 (-412)
30K → 20M
11:35 | 8:31/mi
21M
2:36:39
Rank: #8337 (-194)
20M → 21M
8:44 | 8:44/mi
35K· 21.75 mi
2:42:53
Rank: #8554 (-217)
21M → 35K
6:14 | 8:20/mi
23M
2:53:47
Rank: #8891 (-337)
35K → 23M
10:54 | 8:42/mi
24M
3:02:26
Rank: #9171 (-280)
23M → 24M
8:39 | 8:39/mi
40K· 24.85 mi
3:09:55
Rank: #9379 (-208)
24M → 40K
7:29 | 8:45/mi
25.2M
3:13:13
Rank: #9467 (-88)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:21:54
Rank: #9697 (-230)
25.2M → Finish
8:41 | 8:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:14
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:49:40
Pace8:22 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1721:236:5321:23
6:53
-
10K
6.21 mi10:46:4942:556:5421:32
6:56
+0:03
15K
9.32 mi11:08:491:04:556:5822:00
7:05
+0:09
20K
12.43 mi11:31:211:27:277:0222:32
7:15
+0:10
Half
13.11 mi11:36:081:32:147:024:47
7:01
-0:14
25K
15.53 mi11:54:471:50:537:0818:39
7:42
+0:41
30K
18.64 mi12:20:142:16:207:1925:27
8:11
+0:29
20M
20.00 mi12:31:492:27:557:2411:35
8:31
+0:20
21M
21.00 mi12:40:332:36:397:288:44
8:44
+0:13
35K
21.75 mi12:46:472:42:537:296:14
8:20
-0:24
23M
23.00 mi12:57:412:53:477:3310:54
8:42
+0:22
24M
24.00 mi13:06:203:02:267:368:39
8:39
-0:03
40K
24.85 mi13:13:493:09:557:387:29
8:45
+0:06
25.2M
25.20 mi13:17:073:13:137:403:18
9:34
+0:49
Finish
26.22 mi13:25:483:21:547:428:41
8:31
-1:03

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

6:53 /mi

Average Pace

7:42 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:53

55% of race

Time at Steady Pace

1:20:14

40% of race

Time at Slower Pace

10:47

5% of race

Average Pace: 7:42 /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 mi10:25:1721:236:5321:23
6:53
#5443
10K
6.21 mi10:46:4942:556:5421:32
6:56
#5872
15K
9.32 mi11:08:491:04:556:5822:00
7:05
#6287
20K
12.43 mi11:31:211:27:277:0222:32
7:15
#6557
Half
13.11 mi11:36:081:32:147:024:47
7:01
#6564
25K
15.53 mi11:54:471:50:537:0818:39
7:42
#6992
30K
18.64 mi12:20:142:16:207:1925:27
8:11
#7731
20M
20.00 mi12:31:492:27:557:2411:35
8:31
#8143
21M
21.00 mi12:40:332:36:397:288:44
8:44
#8337
35K
21.75 mi12:46:472:42:537:296:14
8:20
#8554
23M
23.00 mi12:57:412:53:477:3310:54
8:42
#8891
24M
24.00 mi13:06:203:02:267:368:39
8:39
#9171
40K
24.85 mi13:13:493:09:557:387:29
8:45
#9379
25.2M
25.20 mi13:17:073:13:137:403:18
9:34
#9467
Finish
26.22 mi13:25:483:21:547:428:41
8:31
#9697
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5443502850287044(Top 26%)6277(Top 41%)6277(Top 119%)
10K6.21 mi3.10 mi5872-4295382-3545382-3546361(Top 24%)5751(Top 38%)5751(Top 109%)
15K9.32 mi3.11 mi6287-4155701-3195701-3197044(Top 26%)6277(Top 41%)6277(Top 119%)
20K12.43 mi3.11 mi6557-2705906-2055906-2057456(Top 28%)6533(Top 43%)6533(Top 124%)
Half13.11 mi0.68 mi6564-75909-35909-36630(Top 25%)5970(Top 39%)5970(Top 113%)
25K15.53 mi2.42 mi6992-4286231-3226231-32210222(Top 38%)8111(Top 53%)8111(Top 153%)
30K18.64 mi3.11 mi7731-7396707-4766707-47612275(Top 46%)8911(Top 59%)8911(Top 169%)
20M20.00 mi1.36 mi8143-4126946-2396946-23913748(Top 52%)9455(Top 62%)9455(Top 179%)
21M21.00 mi1.00 mi8337-1947046-1007046-10011834(Top 44%)8495(Top 56%)8495(Top 161%)
35K21.75 mi0.75 mi8554-2177176-1307176-13014233(Top 53%)9511(Top 63%)9511(Top 180%)
23M23.00 mi1.25 mi8891-3377355-1797355-17914383(Top 54%)9515(Top 63%)9515(Top 180%)
24M24.00 mi1.00 mi9171-2807498-1437498-14315337(Top 58%)9874(Top 65%)9874(Top 187%)
40K24.85 mi0.85 mi9379-2087588-907588-9014778(Top 56%)9577(Top 63%)9577(Top 181%)
25.2M25.20 mi0.35 mi9467-887629-417629-4115417(Top 58%)9838(Top 65%)9838(Top 186%)
Finish26.22 mi1.02 mi9697-2307722-937722-9315516(Top 58%)9943(Top 66%)9943(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7044

Males

6277

M18-39

6277

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6361

Males

5751

M18-39

5751

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7044

Males

6277

M18-39

6277

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7456

Males

6533

M18-39

6533

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6630

Males

5970

M18-39

5970

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10222

Males

8111

M18-39

8111

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12275

Males

8911

M18-39

8911

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13748

Males

9455

M18-39

9455

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11834

Males

8495

M18-39

8495

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14233

Males

9511

M18-39

9511

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14383

Males

9515

M18-39

9515

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15337

Males

9874

M18-39

9874

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14778

Males

9577

M18-39

9577

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15417

Males

9838

M18-39

9838

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15516

Males

9943

M18-39

9943

Passing Analysis

Category:
Athletes Passed
307
Passed By
4561
Net Change
-4254
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5443
5K → 10K63492-429#5443#5872
10K → 15K25440-415#5872#6287
15K → 20K42312-270#6287#6557
20K → Half1623-7#6557#6564
Half → 25K17445-428#6564#6992
25K → 30K19758-739#6992#7731
30K → 20M12424-412#7731#8143
20M → 21M21215-194#8143#8337
21M → 35K7224-217#8337#8554
35K → 23M22359-337#8554#8891
23M → 24M16296-280#8891#9171
24M → 40K22230-208#9171#9379
40K → 25.2M1098-88#9379#9467
25.2M → Finish15245-230#9467#9697
TOTALS3074561-4254
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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