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BOSTON MARATHON 2024

Andrea Balzarotti

Bib: 4307•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 16%
Gender (Male)
#0 / 14578
Top 25%
Division (M18-39)
#0 / 4849
Top 48%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:57
Rank: #2840
Start → 5K
6:25/mi
19:57 split
10K· 6.21 mi
40:23
Rank: #3146 (-306)
5K → 10K
6:35/mi
20:26 split
15K· 9.32 mi
1:01:13
Rank: #3378 (-232)
10K → 15K
6:42/mi
20:50 split
20K· 12.43 mi
1:22:22
Rank: #3454 (-76)
15K → 20K
6:48/mi
21:09 split
Half· 13.11 mi
1:26:59
Rank: #3484 (-30)
20K → Half
6:46/mi
4:37 split
25K· 15.53 mi
1:43:48
Rank: #3527 (-43)
Half → 25K
6:56/mi
16:49 split
30K· 18.64 mi
2:06:42
Rank: #3695 (-168)
25K → 30K
7:22/mi
22:54 split
20M
2:17:02
Rank: #3759 (-64)
30K → 20M
7:36/mi
10:20 split
21M
2:25:25
Rank: #3863 (-104)
20M → 21M
8:23/mi
8:23 split
35K· 21.75 mi
2:31:06
Rank: #3906 (-43)
21M → 35K
7:36/mi
5:41 split
23M
2:40:51
Rank: #3879 (+27)
35K → 23M
7:47/mi
9:45 split
24M
2:48:40
Rank: #3912 (-33)
23M → 24M
7:49/mi
7:49 split
40K· 24.85 mi
2:55:36
Rank: #3925 (-13)
24M → 40K
8:07/mi
6:56 split
25.2M
2:58:41
Rank: #3937 (-12)
40K → 25.2M
8:56/mi
3:05 split
Finish· 26.22 mi
3:06:51
Rank: #4024 (-87)
25.2M → Finish
8:01/mi
8:10 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:59
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:39:52
Pace7:37 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5019:576:2519:57
6:25
-
10K
6.21 mi10:45:1640:236:3020:26
6:35
+0:10
15K
9.32 mi11:06:061:01:136:3420:50
6:42
+0:07
20K
12.43 mi11:27:151:22:226:3821:09
6:48
+0:06
Half
13.11 mi11:31:521:26:596:384:37
6:46
-0:02
25K
15.53 mi11:48:411:43:486:4116:49
6:56
+0:10
30K
18.64 mi12:11:352:06:426:4822:54
7:22
+0:26
20M
20.00 mi12:21:552:17:026:5110:20
7:36
+0:14
21M
21.00 mi12:30:182:25:256:558:23
8:23
+0:47
35K
21.75 mi12:35:592:31:066:575:41
7:36
-0:47
23M
23.00 mi12:45:442:40:517:009:45
7:47
+0:11
24M
24.00 mi12:53:332:48:407:027:49
7:49
+0:02
40K
24.85 mi13:00:292:55:367:046:56
8:07
+0:18
25.2M
25.20 mi13:03:342:58:417:053:05
8:56
+0:49
Finish
26.22 mi13:11:443:06:517:088:10
8:01
-0:55

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

6:25 /mi

Average Pace

7:08 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:48

56% of race

Time at Steady Pace

56:29

30% of race

Time at Slower Pace

26:34

14% of race

Average Pace: 7:08 /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 mi10:24:5019:576:2519:57
6:25
#2840
10K
6.21 mi10:45:1640:236:3020:26
6:35
#3146
15K
9.32 mi11:06:061:01:136:3420:50
6:42
#3378
20K
12.43 mi11:27:151:22:226:3821:09
6:48
#3454
Half
13.11 mi11:31:521:26:596:384:37
6:46
#3484
25K
15.53 mi11:48:411:43:486:4116:49
6:56
#3527
30K
18.64 mi12:11:352:06:426:4822:54
7:22
#3695
20M
20.00 mi12:21:552:17:026:5110:20
7:36
#3759
21M
21.00 mi12:30:182:25:256:558:23
8:23
#3863
35K
21.75 mi12:35:592:31:066:575:41
7:36
#3906
23M
23.00 mi12:45:442:40:517:009:45
7:47
#3879
24M
24.00 mi12:53:332:48:407:027:49
7:49
#3912
40K
24.85 mi13:00:292:55:367:046:56
8:07
#3925
25.2M
25.20 mi13:03:342:58:417:053:05
8:56
#3937
Finish
26.22 mi13:11:443:06:517:088:10
8:01
#4024
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2840272127213975(Top 16%)3742(Top 26%)3742(Top 77%)
10K6.21 mi3.10 mi3146-3063002-2813002-2813459(Top 14%)3284(Top 23%)3284(Top 68%)
15K9.32 mi3.11 mi3378-2323215-2133215-2133975(Top 16%)3742(Top 26%)3742(Top 77%)
20K12.43 mi3.11 mi3454-763283-683283-683908(Top 15%)3661(Top 25%)3661(Top 76%)
Half13.11 mi0.68 mi3484-303307-243307-244258(Top 17%)3962(Top 27%)3962(Top 82%)
25K15.53 mi2.42 mi3527-433344-373344-374008(Top 16%)3705(Top 25%)3705(Top 76%)
30K18.64 mi3.11 mi3695-1683470-1263470-1264488(Top 18%)3981(Top 27%)3981(Top 82%)
20M20.00 mi1.36 mi3759-643518-483518-484749(Top 19%)4083(Top 28%)4083(Top 84%)
21M21.00 mi1.00 mi3863-1043592-743592-745657(Top 22%)4491(Top 31%)4491(Top 93%)
35K21.75 mi0.75 mi3906-433617-253617-255488(Top 21%)4371(Top 30%)4371(Top 90%)
23M23.00 mi1.25 mi3879+273582+353582+354732(Top 19%)3817(Top 26%)3817(Top 79%)
24M24.00 mi1.00 mi3912-333589-73589-75616(Top 22%)4237(Top 29%)4237(Top 87%)
40K24.85 mi0.85 mi3925-133586+33586+36288(Top 25%)4480(Top 31%)4480(Top 92%)
25.2M25.20 mi0.35 mi3937-123584+23584+26200(Top 24%)4353(Top 30%)4353(Top 90%)
Finish26.22 mi1.02 mi4024-873629-453629-458556(Top 33%)5677(Top 39%)5677(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21story building
+97ft-345ft

Overall

3975

Males

3742

M18-39

3742

5K→10K

3.1 - 6.2 mi

Top 14%
×5story building
+79ft-138ft

Overall

3459

Males

3284

M18-39

3284

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+67ft-78ft

Overall

3975

Males

3742

M18-39

3742

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

3908

Males

3661

M18-39

3661

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4258

Males

3962

M18-39

3962

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4008

Males

3705

M18-39

3705

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

4488

Males

3981

M18-39

3981

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

4749

Males

4083

M18-39

4083

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5657

Males

4491

M18-39

4491

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5488

Males

4371

M18-39

4371

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

4732

Males

3817

M18-39

3817

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5616

Males

4237

M18-39

4237

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6288

Males

4480

M18-39

4480

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6200

Males

4353

M18-39

4353

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8556

Males

5677

M18-39

5677

Passing Analysis

Category:
Athletes Passed
868
Passed By
2052
Net Change
-1184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2840
5K → 10K43349-306#2840#3146
10K → 15K45277-232#3146#3378
15K → 20K89165-76#3378#3454
20K → Half1444-30#3454#3484
Half → 25K115158-43#3484#3527
25K → 30K132300-168#3527#3695
30K → 20M86150-64#3695#3759
20M → 21M58162-104#3759#3863
21M → 35K3982-43#3863#3906
35K → 23M10174+27#3906#3879
23M → 24M5285-33#3879#3912
24M → 40K4558-13#3912#3925
40K → 25.2M2335-12#3925#3937
25.2M → Finish26113-87#3937#4024
TOTALS8682052-1184
📊

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