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BOSTON MARATHON 2024

Christopher Birozes

Bib: 27069•M

NC

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:32/mi
29:38
↑ 97↓ 3451.5%
10K· 6.21 mi
9:08/mi
58:01
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:26:50
↑ 67↓ 78
20K· 12.43 mi
9:25/mi
1:56:06
↑ 106↓ 860.1%
Half· 13.11 mi
9:10/mi
2:02:21
↑ 19↓ 370.5%
25K· 15.53 mi
9:56/mi
2:26:26
↑ 66↓ 880.2%
30K· 18.64 mi
10:27/mi
2:58:55
↑ 181↓ 1480.2%
20M
12:00/mi
3:15:14
↑ 64↓ 500.2%
21M
12:03/mi
3:27:17
↑ 106↓ 241.6%
35K· 21.75 mi
12:07/mi
3:36:21
↑ 17↓ 861.7%
23M
12:19/mi
3:51:46
↑ 23↓ 630.6%
24M
13:22/mi
4:05:08
↓ 821.3%
40K· 24.85 mi
11:18/mi
4:14:48
↓ 200.3%
25.2M
11:13/mi
4:18:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:46/mi
4:27:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:21
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:25:15
Pace11:05 /mi
📊Positive Split: 18.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0129:389:3229:38
9:32
-
10K
6.21 mi12:17:2458:019:2028:23
9:08
-0:24
15K
9.32 mi12:46:131:26:509:1928:49
9:17
+0:09
20K
12.43 mi13:15:291:56:069:2129:16
9:25
+0:08
Half
13.11 mi13:21:442:02:219:206:15
9:10
-0:15
25K
15.53 mi13:45:492:26:269:2624:05
9:56
+0:46
30K
18.64 mi14:18:182:58:559:3632:29
10:27
+0:31
20M
20.00 mi14:34:373:15:149:4616:19
12:00
+1:33
21M
21.00 mi14:46:403:27:179:5212:03
12:03
+0:03
35K
21.75 mi14:55:443:36:219:579:04
12:07
+0:04
23M
23.00 mi15:11:093:51:4610:0515:25
12:19
+0:12
24M
24.00 mi15:24:314:05:0810:1313:22
13:22
+1:03
40K
24.85 mi15:34:114:14:4810:159:40
11:18
-2:04
25.2M
25.20 mi15:38:034:18:4010:163:52
11:13
-0:05
Finish
26.22 mi15:46:594:27:3610:138:56
8:46
-2:27

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

8:46 /mi

Average Pace

10:13 /mi

Slowest Pace

13:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:17

49% of race

Time at Steady Pace

56:34

21% of race

Time at Slower Pace

1:19:45

30% of race

Average Pace: 10:12 /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 mi11:49:0129:389:3229:38
9:32
#21836
10K
6.21 mi12:17:2458:019:2028:23
9:08
#21084
15K
9.32 mi12:46:131:26:509:1928:49
9:17
#20697
20K
12.43 mi13:15:291:56:069:2129:16
9:25
#20245
Half
13.11 mi13:21:442:02:219:206:15
9:10
#20178
25K
15.53 mi13:45:492:26:269:2624:05
9:56
#19953
30K
18.64 mi14:18:182:58:559:3632:29
10:27
#19663
20M
20.00 mi14:34:373:15:149:4616:19
12:00
#19827
21M
21.00 mi14:46:403:27:179:5212:03
12:03
#19741
35K
21.75 mi14:55:443:36:219:579:04
12:07
#19842
23M
23.00 mi15:11:093:51:4610:0515:25
12:19
#19947
24M
24.00 mi15:24:314:05:0810:1313:22
13:22
#20176
40K
24.85 mi15:34:114:14:4810:159:40
11:18
#20124
25.2M
25.20 mi15:38:034:18:4010:163:52
11:13
#20047
Finish
26.22 mi15:46:594:27:3610:138:56
8:46
#19839
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21836129541295419946(Top 78%)12147(Top 83%)12147(Top 251%)
10K6.21 mi3.10 mi21084+75212610+34412610+34420288(Top 79%)12268(Top 84%)12268(Top 253%)
15K9.32 mi3.11 mi20697+38712463+14712463+14719946(Top 78%)12147(Top 83%)12147(Top 251%)
20K12.43 mi3.11 mi20245+45212251+21212251+21218932(Top 74%)11655(Top 80%)11655(Top 240%)
Half13.11 mi0.68 mi20178+6712222+2912222+2918921(Top 74%)11598(Top 80%)11598(Top 239%)
25K15.53 mi2.42 mi19953+22512100+12212100+12218928(Top 74%)11553(Top 79%)11553(Top 238%)
30K18.64 mi3.11 mi19663+29011900+20011900+20018670(Top 73%)11240(Top 77%)11240(Top 232%)
20M20.00 mi1.36 mi19827-16411956-5611956-5621368(Top 84%)12382(Top 85%)12382(Top 255%)
21M21.00 mi1.00 mi19741+8611887+6911887+6918923(Top 74%)11099(Top 76%)11099(Top 229%)
35K21.75 mi0.75 mi19842-10111917-3011917-3021998(Top 86%)12598(Top 86%)12598(Top 260%)
23M23.00 mi1.25 mi19947-10511948-3111948-3121349(Top 84%)12252(Top 84%)12252(Top 253%)
24M24.00 mi1.00 mi20176-22912031-8312031-8323545(Top 92%)13332(Top 91%)13332(Top 275%)
40K24.85 mi0.85 mi20124+5211984+4711984+4718863(Top 74%)10883(Top 75%)10883(Top 224%)
25.2M25.20 mi0.35 mi20047+7711946+3811946+3815173(Top 59%)9037(Top 62%)9037(Top 186%)
Finish26.22 mi1.02 mi19839+20811833+11311833+11312986(Top 51%)8001(Top 55%)8001(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

19946

Males

12147

M18-39

12147

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

20288

Males

12268

M18-39

12268

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

19946

Males

12147

M18-39

12147

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

18932

Males

11655

M18-39

11655

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

18921

Males

11598

M18-39

11598

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

18928

Males

11553

M18-39

11553

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

18670

Males

11240

M18-39

11240

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

21368

Males

12382

M18-39

12382

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

18923

Males

11099

M18-39

11099

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

21998

Males

12598

M18-39

12598

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

21349

Males

12252

M18-39

12252

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

23545

Males

13332

M18-39

13332

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

18863

Males

10883

M18-39

10883

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15173

Males

9037

M18-39

9037

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

12986

Males

8001

M18-39

8001

Passing Analysis

Category:
Athletes Passed
3042
Passed By
1045
Net Change
+1997
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21836
5K → 10K78230+752#21836#21084
10K → 15K42740+387#21084#20697
15K → 20K47422+452#20697#20245
20K → Half736+67#20245#20178
Half → 25K28459+225#20178#19953
25K → 30K34151+290#19953#19663
30K → 20M43207-164#19663#19827
20M → 21M12337+86#19827#19741
21M → 35K34135-101#19741#19842
35K → 23M61166-105#19842#19947
23M → 24M25254-229#19947#20176
24M → 40K9038+52#20176#20124
40K → 25.2M770+77#20124#20047
25.2M → Finish2080+208#20047#19839
TOTALS30421045+1997
📊

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