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BOSTON MARATHON 2024

Zach Buffington

Bib: 910•M

TN

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 3%
Gender (Male)
#0 / 14578
Top 5%
Age Group (M18-39)
#0 / 4849
Top 13%
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
17:48
Rank: #411
Start → 5K
17:48 | 5:44/mi
10K· 6.21 mi
35:56
Rank: #460 (-49)
5K → 10K
18:08 | 5:50/mi
15K· 9.32 mi
54:22
Rank: #506 (-46)
10K → 15K
18:26 | 5:56/mi
20K· 12.43 mi
1:13:26
Rank: #564 (-58)
15K → 20K
19:04 | 6:08/mi
Half· 13.11 mi
1:17:36
Rank: #582 (-18)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:33:02
Rank: #668 (-86)
Half → 25K
15:26 | 6:22/mi
30K· 18.64 mi
1:53:10
Rank: #693 (-25)
25K → 30K
20:08 | 6:29/mi
20M
2:01:47
Rank: #667 (+26)
30K → 20M
8:37 | 6:20/mi
21M
2:08:43
Rank: #663 (+4)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:13:24
Rank: #651 (+12)
21M → 35K
4:41 | 6:16/mi
23M
2:22:08
Rank: #687 (-36)
35K → 23M
8:44 | 6:59/mi
24M
2:29:14
Rank: #724 (-37)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:35:31
Rank: #766 (-42)
24M → 40K
6:17 | 7:21/mi
25.2M
2:38:15
Rank: #778 (-12)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
2:45:13
Rank: #799 (-21)
25.2M → Finish
6:58 | 6:50/mi
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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:36
Pace5:55 /mi
2nd Half
Distance13.11 mi
Time1:27:37
Pace6:41 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5317:485:4417:48
5:44
-
10K
6.21 mi10:36:0135:565:4718:08
5:50
+0:06
15K
9.32 mi10:54:2754:225:5018:26
5:56
+0:06
20K
12.43 mi11:13:311:13:265:5519:04
6:08
+0:12
Half
13.11 mi11:17:411:17:365:554:10
6:06
-0:02
25K
15.53 mi11:33:071:33:025:5915:26
6:22
+0:16
30K
18.64 mi11:53:151:53:106:0420:08
6:29
+0:07
20M
20.00 mi12:01:522:01:476:058:37
6:20
-0:09
21M
21.00 mi12:08:482:08:436:086:56
6:56
+0:36
35K
21.75 mi12:13:292:13:246:084:41
6:16
-0:40
23M
23.00 mi12:22:132:22:086:118:44
6:59
+0:43
24M
24.00 mi12:29:192:29:146:137:06
7:06
+0:07
40K
24.85 mi12:35:362:35:316:156:17
7:21
+0:15
25.2M
25.20 mi12:38:202:38:156:172:44
7:56
+0:35
Finish
26.22 mi12:45:182:45:136:186:58
6:50
-1:06

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

5:44 /mi

Average Pace

6:18 /mi

Slowest Pace

7:56 /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

54:22

33% of race

Time at Steady Pace

1:12:06

44% of race

Time at Slower Pace

38:45

23% of race

Average Pace: 6:18 /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 mi10:17:5317:485:4417:48
5:44
#411
10K
6.21 mi10:36:0135:565:4718:08
5:50
#460
15K
9.32 mi10:54:2754:225:5018:26
5:56
#506
20K
12.43 mi11:13:311:13:265:5519:04
6:08
#564
Half
13.11 mi11:17:411:17:365:554:10
6:06
#582
25K
15.53 mi11:33:071:33:025:5915:26
6:22
#668
30K
18.64 mi11:53:151:53:106:0420:08
6:29
#693
20M
20.00 mi12:01:522:01:476:058:37
6:20
#667
21M
21.00 mi12:08:482:08:436:086:56
6:56
#663
35K
21.75 mi12:13:292:13:246:084:41
6:16
#651
23M
23.00 mi12:22:132:22:086:118:44
6:59
#687
24M
24.00 mi12:29:192:29:146:137:06
7:06
#724
40K
24.85 mi12:35:362:35:316:156:17
7:21
#766
25.2M
25.20 mi12:38:202:38:156:172:44
7:56
#778
Finish
26.22 mi12:45:182:45:136:186:58
6:50
#799
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi411390390614(Top 2%)592(Top 4%)592(Top 12%)
10K6.21 mi3.10 mi460-49438-48438-48519(Top 2%)496(Top 3%)496(Top 10%)
15K9.32 mi3.11 mi506-46484-46484-46614(Top 2%)592(Top 4%)592(Top 12%)
20K12.43 mi3.11 mi564-58542-58542-58887(Top 3%)854(Top 6%)854(Top 18%)
Half13.11 mi0.68 mi582-18559-17559-171040(Top 4%)1006(Top 7%)1006(Top 21%)
25K15.53 mi2.42 mi668-86643-84643-841323(Top 5%)1277(Top 9%)1277(Top 26%)
30K18.64 mi3.11 mi693-25663-20663-20997(Top 4%)953(Top 7%)953(Top 20%)
20M20.00 mi1.36 mi667+26638+25638+25578(Top 2%)548(Top 4%)548(Top 11%)
21M21.00 mi1.00 mi663+4634+4634+4931(Top 4%)882(Top 6%)882(Top 18%)
35K21.75 mi0.75 mi651+12622+12622+12738(Top 3%)697(Top 5%)697(Top 14%)
23M23.00 mi1.25 mi687-36657-35657-351838(Top 7%)1693(Top 12%)1693(Top 35%)
24M24.00 mi1.00 mi724-37692-35692-352631(Top 10%)2319(Top 16%)2319(Top 48%)
40K24.85 mi0.85 mi766-42734-42734-422944(Top 12%)2528(Top 17%)2528(Top 52%)
25.2M25.20 mi0.35 mi778-12746-12746-122472(Top 10%)2127(Top 15%)2127(Top 44%)
Finish26.22 mi1.02 mi799-21762-16762-162457(Top 10%)2109(Top 14%)2109(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

614

Males

592

M18-39

592

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

519

Males

496

M18-39

496

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

614

Males

592

M18-39

592

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

887

Males

854

M18-39

854

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1040

Males

1006

M18-39

1006

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1323

Males

1277

M18-39

1277

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

997

Males

953

M18-39

953

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

578

Males

548

M18-39

548

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

931

Males

882

M18-39

882

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

738

Males

697

M18-39

697

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1838

Males

1693

M18-39

1693

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2631

Males

2319

M18-39

2319

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

2944

Males

2528

M18-39

2528

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2472

Males

2127

M18-39

2127

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2457

Males

2109

M18-39

2109

Passing Analysis

Category:
Athletes Passed
193
Passed By
581
Net Change
-388
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#411
5K → 10K554-49#411#460
10K → 15K753-46#460#506
15K → 20K1169-58#506#564
20K → Half220-18#564#582
Half → 25K15101-86#582#668
25K → 30K3964-25#668#693
30K → 20M337+26#693#667
20M → 21M2420+4#667#663
21M → 35K175+12#663#651
35K → 23M1046-36#651#687
23M → 24M1148-37#687#724
24M → 40K850-42#724#766
40K → 25.2M315-12#766#778
25.2M → Finish829-21#778#799
TOTALS193581-388
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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