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BOSTON MARATHON 2024

Alexander Hafford

Bib: 7166•M

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 46%
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
23:56
Rank: #12332
Start → 5K
23:56 | 7:42/mi
10K· 6.21 mi
48:43
Rank: #13144 (-812)
5K → 10K
24:47 | 7:59/mi
15K· 9.32 mi
1:13:49
Rank: #13451 (-307)
10K → 15K
25:06 | 8:05/mi
20K· 12.43 mi
1:39:38
Rank: #13550 (-99)
15K → 20K
25:49 | 8:19/mi
Half· 13.11 mi
1:44:56
Rank: #13410 (+140)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:05:37
Rank: #13313 (+97)
Half → 25K
20:41 | 8:32/mi
30K· 18.64 mi
2:33:16
Rank: #13104 (+209)
25K → 30K
27:39 | 8:54/mi
20M
2:44:56
Rank: #12786 (+318)
30K → 20M
11:40 | 8:35/mi
21M
2:54:40
Rank: #12706 (+80)
20M → 21M
9:44 | 9:44/mi
35K· 21.75 mi
3:00:53
Rank: #12563 (+143)
21M → 35K
6:13 | 8:19/mi
23M
3:11:42
Rank: #12310 (+253)
35K → 23M
10:49 | 8:38/mi
24M
3:20:07
Rank: #12119 (+191)
23M → 24M
8:25 | 8:25/mi
40K· 24.85 mi
3:27:34
Rank: #11998 (+121)
24M → 40K
7:27 | 8:43/mi
25.2M
3:30:40
Rank: #11875 (+123)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:38:34
Rank: #11628 (+247)
25.2M → Finish
7:54 | 7:45/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:56
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:53:38
Pace8:40 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:2823:567:4223:56
7:42
-
10K
6.21 mi10:55:1548:437:5024:47
7:59
+0:17
15K
9.32 mi11:20:211:13:497:5525:06
8:05
+0:06
20K
12.43 mi11:46:101:39:388:0125:49
8:19
+0:14
Half
13.11 mi11:51:281:44:568:005:18
7:46
-0:33
25K
15.53 mi12:12:092:05:378:0520:41
8:32
+0:46
30K
18.64 mi12:39:482:33:168:1327:39
8:54
+0:22
20M
20.00 mi12:51:282:44:568:1511:40
8:35
-0:19
21M
21.00 mi13:01:122:54:408:199:44
9:44
+1:09
35K
21.75 mi13:07:253:00:538:196:13
8:19
-1:25
23M
23.00 mi13:18:143:11:428:2010:49
8:38
+0:19
24M
24.00 mi13:26:393:20:078:208:25
8:25
-0:13
40K
24.85 mi13:34:063:27:348:217:27
8:43
+0:18
25.2M
25.20 mi13:37:123:30:408:223:06
8:59
+0:16
Finish
26.22 mi13:45:063:38:348:217:54
7:45
-1:14

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

7:42 /mi

Average Pace

8:21 /mi

Slowest Pace

9:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:27:01

40% of race

Time at Steady Pace

1:23:37

38% of race

Time at Slower Pace

47:56

22% of race

Average Pace: 8:20 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:30:2823:567:4223:56
7:42
#12332
10K
6.21 mi10:55:1548:437:5024:47
7:59
#13144
15K
9.32 mi11:20:211:13:497:5525:06
8:05
#13451
20K
12.43 mi11:46:101:39:388:0125:49
8:19
#13550
Half
13.11 mi11:51:281:44:568:005:18
7:46
#13410
25K
15.53 mi12:12:092:05:378:0520:41
8:32
#13313
30K
18.64 mi12:39:482:33:168:1327:39
8:54
#13104
20M
20.00 mi12:51:282:44:568:1511:40
8:35
#12786
21M
21.00 mi13:01:122:54:408:199:44
9:44
#12706
35K
21.75 mi13:07:253:00:538:196:13
8:19
#12563
23M
23.00 mi13:18:143:11:428:2010:49
8:38
#12310
24M
24.00 mi13:26:393:20:078:208:25
8:25
#12119
40K
24.85 mi13:34:063:27:348:217:27
8:43
#11998
25.2M
25.20 mi13:37:123:30:408:223:06
8:59
#11875
Finish
26.22 mi13:45:063:38:348:217:54
7:45
#11628
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi123328980898013950(Top 55%)9587(Top 66%)9587(Top 198%)
10K6.21 mi3.10 mi13144-8129303-3239303-32314019(Top 55%)9621(Top 66%)9621(Top 198%)
15K9.32 mi3.11 mi13451-3079398-959398-9513950(Top 55%)9587(Top 66%)9587(Top 198%)
20K12.43 mi3.11 mi13550-999433-359433-3513754(Top 54%)9441(Top 65%)9441(Top 195%)
Half13.11 mi0.68 mi13410+1409352+819352+8111054(Top 43%)8199(Top 56%)8199(Top 169%)
25K15.53 mi2.42 mi13313+979294+589294+5813209(Top 52%)9018(Top 62%)9018(Top 186%)
30K18.64 mi3.11 mi13104+2099099+1959099+19512739(Top 50%)8575(Top 59%)8575(Top 177%)
20M20.00 mi1.36 mi12786+3188910+1898910+1899902(Top 39%)6989(Top 48%)6989(Top 144%)
21M21.00 mi1.00 mi12706+808817+938817+9311835(Top 46%)7630(Top 52%)7630(Top 157%)
35K21.75 mi0.75 mi12563+1438721+968721+969624(Top 38%)6582(Top 45%)6582(Top 136%)
23M23.00 mi1.25 mi12310+2538538+1838538+1839209(Top 36%)6208(Top 43%)6208(Top 128%)
24M24.00 mi1.00 mi12119+1918402+1368402+1368950(Top 35%)6008(Top 41%)6008(Top 124%)
40K24.85 mi0.85 mi11998+1218302+1008302+1009469(Top 37%)6147(Top 42%)6147(Top 127%)
25.2M25.20 mi0.35 mi11875+1238231+718231+716527(Top 26%)4582(Top 31%)4582(Top 94%)
Finish26.22 mi1.02 mi11628+2478072+1598072+1597064(Top 28%)4909(Top 34%)4909(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

13950

Males

9587

M18-39

9587

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14019

Males

9621

M18-39

9621

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

13950

Males

9587

M18-39

9587

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

13754

Males

9441

M18-39

9441

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11054

Males

8199

M18-39

8199

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13209

Males

9018

M18-39

9018

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

12739

Males

8575

M18-39

8575

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

9902

Males

6989

M18-39

6989

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

11835

Males

7630

M18-39

7630

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

9624

Males

6582

M18-39

6582

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9209

Males

6208

M18-39

6208

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

8950

Males

6008

M18-39

6008

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9469

Males

6147

M18-39

6147

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6527

Males

4582

M18-39

4582

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7064

Males

4909

M18-39

4909

Passing Analysis

Category:
Athletes Passed
2882
Passed By
2178
Net Change
+704
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12332
5K → 10K82894-812#12332#13144
10K → 15K129436-307#13144#13451
15K → 20K231330-99#13451#13550
20K → Half1433+140#13550#13410
Half → 25K271174+97#13410#13313
25K → 30K382173+209#13313#13104
30K → 20M33618+318#13104#12786
20M → 21M16383+80#12786#12706
21M → 35K15310+143#12706#12563
35K → 23M26714+253#12563#12310
23M → 24M20918+191#12310#12119
24M → 40K14322+121#12119#11998
40K → 25.2M1230+123#11998#11875
25.2M → Finish2503+247#11875#11628
TOTALS28822178+704
📊

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