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BOSTON MARATHON 2024

Alex Gatzlaff

Bib: 2588•M

OR

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0:00
/ mi
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Overall
#0 / 25550
Top 5%
Gender (Male)
#0 / 14578
Top 8%
Division (M18-39)
#0 / 4849
Top 19%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:46
Rank: #1043
Start → 5K
6:02/mi
18:46 split
10K· 6.21 mi
37:30
Rank: #984 (+59)
5K → 10K
6:02/mi
18:44 split
15K· 9.32 mi
56:22
Rank: #952 (+32)
10K → 15K
6:04/mi
18:52 split
20K· 12.43 mi
1:15:09
Rank: #861 (+91)
15K → 20K
6:03/mi
18:47 split
Half· 13.11 mi
1:19:13
Rank: #856 (+5)
20K → Half
5:58/mi
4:04 split
25K· 15.53 mi
1:33:52
Rank: #777 (+79)
Half → 25K
6:03/mi
14:39 split
30K· 18.64 mi
1:53:24
Rank: #724 (+53)
25K → 30K
6:17/mi
19:32 split
20M
2:02:52
Rank: #769 (-45)
30K → 20M
6:58/mi
9:28 split
21M
2:10:25
Rank: #835 (-66)
20M → 21M
7:33/mi
7:33 split
35K· 21.75 mi
2:16:39
Rank: #959 (-124)
21M → 35K
8:20/mi
6:14 split
23M
2:26:05
Rank: #1061 (-102)
35K → 23M
7:32/mi
9:26 split
24M
2:33:12
Rank: #1103 (-42)
23M → 24M
7:07/mi
7:07 split
40K· 24.85 mi
2:39:30
Rank: #1145 (-42)
24M → 40K
7:22/mi
6:18 split
25.2M
2:42:11
Rank: #1151 (-6)
40K → 25.2M
7:47/mi
2:41 split
Finish· 26.22 mi
2:49:19
Rank: #1193 (-42)
25.2M → Finish
7:00/mi
7:08 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:13
Pace6:03 /mi
2nd Half
Distance13.11 mi
Time1:30:06
Pace6:52 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4718:466:0218:46
6:02
-
10K
6.21 mi10:38:3137:306:0218:44
6:02
0:00
15K
9.32 mi10:57:2356:226:0318:52
6:04
+0:02
20K
12.43 mi11:16:101:15:096:0318:47
6:03
-0:01
Half
13.11 mi11:20:141:19:136:034:04
5:58
-0:05
25K
15.53 mi11:34:531:33:526:0314:39
6:03
+0:05
30K
18.64 mi11:54:251:53:246:0519:32
6:17
+0:14
20M
20.00 mi12:03:532:02:526:099:28
6:58
+0:41
21M
21.00 mi12:11:262:10:256:137:33
7:33
+0:35
35K
21.75 mi12:17:402:16:396:176:14
8:20
+0:47
23M
23.00 mi12:27:062:26:056:219:26
7:32
-0:48
24M
24.00 mi12:34:132:33:126:237:07
7:07
-0:25
40K
24.85 mi12:40:312:39:306:256:18
7:22
+0:15
25.2M
25.20 mi12:43:122:42:116:262:41
7:47
+0:25
Finish
26.22 mi12:50:202:49:196:287:08
7:00
-0:47

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

5:58 /mi

Average Pace

6:28 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:24

67% of race

Time at Steady Pace

23:43

14% of race

Time at Slower Pace

32:12

19% of race

Average Pace: 6:27 /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 mi10:19:4718:466:0218:46
6:02
#1043
10K
6.21 mi10:38:3137:306:0218:44
6:02
#984
15K
9.32 mi10:57:2356:226:0318:52
6:04
#952
20K
12.43 mi11:16:101:15:096:0318:47
6:03
#861
Half
13.11 mi11:20:141:19:136:034:04
5:58
#856
25K
15.53 mi11:34:531:33:526:0314:39
6:03
#777
30K
18.64 mi11:54:251:53:246:0519:32
6:17
#724
20M
20.00 mi12:03:532:02:526:099:28
6:58
#769
21M
21.00 mi12:11:262:10:256:137:33
7:33
#835
35K
21.75 mi12:17:402:16:396:176:14
8:20
#959
23M
23.00 mi12:27:062:26:056:219:26
7:32
#1061
24M
24.00 mi12:34:132:33:126:237:07
7:07
#1103
40K
24.85 mi12:40:312:39:306:256:18
7:22
#1145
25.2M
25.20 mi12:43:122:42:116:262:41
7:47
#1151
Finish
26.22 mi12:50:202:49:196:287:08
7:00
#1193
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi104310061006974(Top 4%)938(Top 6%)938(Top 19%)
10K6.21 mi3.10 mi984+59947+59947+59948(Top 4%)911(Top 6%)911(Top 19%)
15K9.32 mi3.11 mi952+32917+30917+30974(Top 4%)938(Top 6%)938(Top 19%)
20K12.43 mi3.11 mi861+91826+91826+91699(Top 3%)669(Top 5%)669(Top 14%)
Half13.11 mi0.68 mi856+5822+4822+4693(Top 3%)668(Top 5%)668(Top 14%)
25K15.53 mi2.42 mi777+79746+76746+76540(Top 2%)512(Top 4%)512(Top 11%)
30K18.64 mi3.11 mi724+53694+52694+52619(Top 2%)589(Top 4%)589(Top 12%)
20M20.00 mi1.36 mi769-45736-42736-422179(Top 9%)2045(Top 14%)2045(Top 42%)
21M21.00 mi1.00 mi835-66802-66802-662634(Top 10%)2391(Top 16%)2391(Top 49%)
35K21.75 mi0.75 mi959-124921-119921-1199713(Top 38%)6597(Top 45%)6597(Top 136%)
23M23.00 mi1.25 mi1061-1021018-971018-973743(Top 15%)3202(Top 22%)3202(Top 66%)
24M24.00 mi1.00 mi1103-421058-401058-402679(Top 10%)2362(Top 16%)2362(Top 49%)
40K24.85 mi0.85 mi1145-421098-401098-403015(Top 12%)2571(Top 18%)2571(Top 53%)
25.2M25.20 mi0.35 mi1151-61104-61104-62079(Top 8%)1824(Top 13%)1824(Top 38%)
Finish26.22 mi1.02 mi1193-421142-381142-383099(Top 12%)2583(Top 18%)2583(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

974

Males

938

M18-39

938

5K→10K

3.1 - 6.2 mi

Top 4%
×5story building
+79ft-138ft

Overall

948

Males

911

M18-39

911

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

974

Males

938

M18-39

938

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

699

Males

669

M18-39

669

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

693

Males

668

M18-39

668

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

540

Males

512

M18-39

512

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

619

Males

589

M18-39

589

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2179

Males

2045

M18-39

2045

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2634

Males

2391

M18-39

2391

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

9713

Males

6597

M18-39

6597

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

3743

Males

3202

M18-39

3202

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2679

Males

2362

M18-39

2362

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3015

Males

2571

M18-39

2571

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2079

Males

1824

M18-39

1824

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3099

Males

2583

M18-39

2583

Passing Analysis

Category:
Athletes Passed
471
Passed By
621
Net Change
-150
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1043
5K → 10K8930+59#1043#984
10K → 15K5321+32#984#952
15K → 20K932+91#952#861
20K → Half105+5#861#856
Half → 25K812+79#856#777
25K → 30K7320+53#777#724
30K → 20M1661-45#724#769
20M → 21M268-66#769#835
21M → 35K3127-124#835#959
35K → 23M6108-102#959#1061
23M → 24M1153-42#1061#1103
24M → 40K1153-42#1103#1145
40K → 25.2M713-6#1145#1151
25.2M → Finish1658-42#1151#1193
TOTALS471621-150
📊

Passing Visuals

Category:
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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