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BOSTON MARATHON 2023

Aidan Mccaffrey

Bib: 491•M

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:23
Rank: #562
Start → 5K
18:23 | 5:55/mi
10K· 6.21 mi
36:45
Rank: #582 (-20)
5K → 10K
18:22 | 5:55/mi
15K· 9.32 mi
55:08
Rank: #567 (+15)
10K → 15K
18:23 | 5:55/mi
20K· 12.43 mi
1:13:58
Rank: #576 (-9)
15K → 20K
18:50 | 6:04/mi
Half· 13.11 mi
1:18:03
Rank: #582 (-6)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:33:05
Rank: #626 (-44)
Half → 25K
15:02 | 6:12/mi
30K· 18.64 mi
1:53:36
Rank: #769 (-143)
25K → 30K
20:31 | 6:36/mi
20M
2:02:57
Rank: #849 (-80)
30K → 20M
9:21 | 6:53/mi
21M
2:10:13
Rank: #913 (-64)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:15:07
Rank: #946 (-33)
21M → 35K
4:54 | 6:33/mi
23M
2:24:02
Rank: #1035 (-89)
35K → 23M
8:55 | 7:07/mi
24M
2:30:57
Rank: #1118 (-83)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:37:15
Rank: #1205 (-87)
24M → 40K
6:18 | 7:22/mi
25.2M
2:39:57
Rank: #1248 (-43)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:47:10
Rank: #1357 (-109)
25.2M → Finish
7:13 | 7:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:03
Pace5:57 /mi
2nd Half
Distance13.11 mi
Time1:29:07
Pace6:48 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3118:235:5518:23
5:55
-
10K
6.21 mi10:36:5336:455:5518:22
5:55
0:00
15K
9.32 mi10:55:1655:085:5518:23
5:55
0:00
20K
12.43 mi11:14:061:13:585:5718:50
6:04
+0:09
Half
13.11 mi11:18:111:18:035:574:05
5:59
-0:05
25K
15.53 mi11:33:131:33:056:0015:02
6:12
+0:13
30K
18.64 mi11:53:441:53:366:0620:31
6:36
+0:24
20M
20.00 mi12:03:052:02:576:099:21
6:53
+0:17
21M
21.00 mi12:10:212:10:136:127:16
7:16
+0:23
35K
21.75 mi12:15:152:15:076:134:54
6:33
-0:43
23M
23.00 mi12:24:102:24:026:168:55
7:07
+0:34
24M
24.00 mi12:31:052:30:576:176:55
6:55
-0:12
40K
24.85 mi12:37:232:37:156:206:18
7:22
+0:27
25.2M
25.20 mi12:40:052:39:576:212:42
7:50
+0:28
Finish
26.22 mi12:47:182:47:106:237:13
7:05
-0:45

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

5:55 /mi

Average Pace

6:23 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:05

56% of race

Time at Steady Pace

34:46

21% of race

Time at Slower Pace

39:19

24% of race

Average Pace: 6:23 /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 mi10:18:3118:235:5518:23
5:55
#562
10K
6.21 mi10:36:5336:455:5518:22
5:55
#582
15K
9.32 mi10:55:1655:085:5518:23
5:55
#567
20K
12.43 mi11:14:061:13:585:5718:50
6:04
#576
Half
13.11 mi11:18:111:18:035:574:05
5:59
#582
25K
15.53 mi11:33:131:33:056:0015:02
6:12
#626
30K
18.64 mi11:53:441:53:366:0620:31
6:36
#769
20M
20.00 mi12:03:052:02:576:099:21
6:53
#849
21M
21.00 mi12:10:212:10:136:127:16
7:16
#913
35K
21.75 mi12:15:152:15:076:134:54
6:33
#946
23M
23.00 mi12:24:102:24:026:168:55
7:07
#1035
24M
24.00 mi12:31:052:30:576:176:55
6:55
#1118
40K
24.85 mi12:37:232:37:156:206:18
7:22
#1205
25.2M
25.20 mi12:40:052:39:576:212:42
7:50
#1248
Finish
26.22 mi12:47:182:47:106:237:13
7:05
#1357
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi562519519550(Top 2%)508(Top 3%)508(Top 10%)
10K6.21 mi3.10 mi582-20540-21540-21615(Top 2%)572(Top 4%)572(Top 11%)
15K9.32 mi3.11 mi567+15524+16524+16550(Top 2%)508(Top 3%)508(Top 10%)
20K12.43 mi3.11 mi576-9533-9533-9695(Top 3%)653(Top 4%)653(Top 12%)
Half13.11 mi0.68 mi582-6540-7540-7747(Top 3%)706(Top 5%)706(Top 13%)
25K15.53 mi2.42 mi626-44585-45585-451003(Top 4%)954(Top 6%)954(Top 18%)
30K18.64 mi3.11 mi769-143727-142727-1421954(Top 7%)1867(Top 12%)1867(Top 35%)
20M20.00 mi1.36 mi849-80804-77804-773260(Top 12%)3049(Top 20%)3049(Top 58%)
21M21.00 mi1.00 mi913-64866-62866-623407(Top 13%)3165(Top 21%)3165(Top 60%)
35K21.75 mi0.75 mi946-33899-33899-332646(Top 10%)2489(Top 16%)2489(Top 47%)
23M23.00 mi1.25 mi1035-89984-85984-854374(Top 16%)3983(Top 26%)3983(Top 75%)
24M24.00 mi1.00 mi1118-831066-821066-824213(Top 16%)3825(Top 25%)3825(Top 72%)
40K24.85 mi0.85 mi1205-871149-831149-835818(Top 22%)4884(Top 32%)4884(Top 92%)
25.2M25.20 mi0.35 mi1248-431190-411190-415414(Top 20%)4513(Top 30%)4513(Top 85%)
Finish26.22 mi1.02 mi1357-1091293-1031293-1035663(Top 21%)4690(Top 31%)4690(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

550

Males

508

M18-39

508

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

615

Males

572

M18-39

572

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

550

Males

508

M18-39

508

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

695

Males

653

M18-39

653

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

747

Males

706

M18-39

706

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1003

Males

954

M18-39

954

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1954

Males

1867

M18-39

1867

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3260

Males

3049

M18-39

3049

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3407

Males

3165

M18-39

3165

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2646

Males

2489

M18-39

2489

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4374

Males

3983

M18-39

3983

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4213

Males

3825

M18-39

3825

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5818

Males

4884

M18-39

4884

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5414

Males

4513

M18-39

4513

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5663

Males

4690

M18-39

4690

Passing Analysis

Category:
Athletes Passed
99
Passed By
894
Net Change
-795
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#562
5K → 10K2141-20#562#582
10K → 15K2510+15#582#567
15K → 20K1625-9#567#576
20K → Half410-6#576#582
Half → 25K953-44#582#626
25K → 30K2145-143#626#769
30K → 20M181-80#769#849
20M → 21M468-64#849#913
21M → 35K437-33#913#946
35K → 23M493-89#946#1035
23M → 24M285-83#1035#1118
24M → 40K491-87#1118#1205
40K → 25.2M144-43#1205#1248
25.2M → Finish2111-109#1248#1357
TOTALS99894-795
📊

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