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BOSTON MARATHON 2024

Petr Stefan

Bib: 8842•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 31%
Gender (Male)
#0 / 14578
Top 42%
Masters (Masters Men)
#0 / 9729
Top 32%
Division (M45-49)
#0 / 2218
Top 44%
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
6:50/mi
21:15
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
43:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:05:35
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:28:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:33:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:36/mi
1:51:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:17:51
↑ 181↓ 1480.2%
20M
7:58/mi
2:28:40
↑ 64↓ 500.2%
21M
9:27/mi
2:38:07
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
2:44:46
↑ 17↓ 861.7%
23M
9:01/mi
2:56:03
↑ 23↓ 630.6%
24M
8:16/mi
3:04:19
↓ 821.3%
40K· 24.85 mi
8:33/mi
3:11:38
↓ 200.3%
25.2M
10:38/mi
3:15:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:23:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:16
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:50:39
Pace8:26 /mi
📊Positive Split: 18.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1721:156:5021:15
6:50
-
10K
6.21 mi11:08:2143:196:5822:04
7:06
+0:16
15K
9.32 mi11:30:371:05:357:0222:16
7:10
+0:04
20K
12.43 mi11:53:181:28:167:0622:41
7:18
+0:08
Half
13.11 mi11:58:181:33:167:075:00
7:20
+0:02
25K
15.53 mi12:16:441:51:427:1118:26
7:36
+0:16
30K
18.64 mi12:42:532:17:517:2426:09
8:25
+0:49
20M
20.00 mi12:53:422:28:407:2610:49
7:58
-0:27
21M
21.00 mi13:03:092:38:077:329:27
9:27
+1:29
35K
21.75 mi13:09:482:44:467:356:39
8:53
-0:34
23M
23.00 mi13:21:052:56:037:3911:17
9:01
+0:08
24M
24.00 mi13:29:213:04:197:418:16
8:16
-0:45
40K
24.85 mi13:36:403:11:387:437:19
8:33
+0:17
25.2M
25.20 mi13:40:203:15:187:453:40
10:38
+2:05
Finish
26.22 mi13:48:573:23:557:478:37
8:27
-2:11

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

6:50 /mi

Average Pace

7:47 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:42

55% of race

Time at Steady Pace

1:01:10

30% of race

Time at Slower Pace

31:03

15% of race

Average Pace: 7:47 /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 mi10:46:1721:156:5021:15
6:50
#5977
10K
6.21 mi11:08:2143:196:5822:04
7:06
#6650
15K
9.32 mi11:30:371:05:357:0222:16
7:10
#6825
20K
12.43 mi11:53:181:28:167:0622:41
7:18
#6805
Half
13.11 mi11:58:181:33:167:075:00
7:20
#6848
25K
15.53 mi12:16:441:51:427:1118:26
7:36
#6886
30K
18.64 mi12:42:532:17:517:2426:09
8:25
#7423
20M
20.00 mi12:53:422:28:407:2610:49
7:58
#7283
21M
21.00 mi13:03:092:38:077:329:27
9:27
#7435
35K
21.75 mi13:09:482:44:467:356:39
8:53
#7596
23M
23.00 mi13:21:052:56:037:3911:17
9:01
#7750
24M
24.00 mi13:29:213:04:197:418:16
8:16
#7687
40K
24.85 mi13:36:403:11:387:437:19
8:33
#7691
25.2M
25.20 mi13:40:203:15:187:453:40
10:38
#7783
Finish
26.22 mi13:48:573:23:557:478:37
8:27
#7898
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5977543254327245(Top 28%)6238(Top 43%)6238(Top 281%)
10K6.21 mi3.10 mi6650-6735903-4715903-4717299(Top 29%)6313(Top 43%)6313(Top 285%)
15K9.32 mi3.11 mi6825-1756006-1036006-1037245(Top 28%)6238(Top 43%)6238(Top 281%)
20K12.43 mi3.11 mi6805+205971+355971+356974(Top 27%)5982(Top 41%)5982(Top 270%)
Half13.11 mi0.68 mi6848-435994-235994-237845(Top 31%)6530(Top 45%)6530(Top 294%)
25K15.53 mi2.42 mi6886-385977+175977+177646(Top 30%)6213(Top 43%)6213(Top 280%)
30K18.64 mi3.11 mi7423-5376266-2896266-28910200(Top 40%)7377(Top 51%)7377(Top 333%)
20M20.00 mi1.36 mi7283+1406134+1326134+1326530(Top 26%)5176(Top 36%)5176(Top 233%)
21M21.00 mi1.00 mi7435-1526172-386172-3810587(Top 41%)7035(Top 48%)7035(Top 317%)
35K21.75 mi0.75 mi7596-1616232-606232-6012736(Top 50%)8033(Top 55%)8033(Top 362%)
23M23.00 mi1.25 mi7750-1546256-246256-2411205(Top 44%)7168(Top 49%)7168(Top 323%)
24M24.00 mi1.00 mi7687+636183+736183+738111(Top 32%)5550(Top 38%)5550(Top 250%)
40K24.85 mi0.85 mi7691-46139+446139+448641(Top 34%)5727(Top 39%)5727(Top 258%)
25.2M25.20 mi0.35 mi7783-926173-346173-3413200(Top 52%)7971(Top 55%)7971(Top 359%)
Finish26.22 mi1.02 mi7898-1156185-126185-1211235(Top 44%)7114(Top 49%)7114(Top 321%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7245

Males

6238

M45-49

6238

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7299

Males

6313

M45-49

6313

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7245

Males

6238

M45-49

6238

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

6974

Males

5982

M45-49

5982

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

7845

Males

6530

M45-49

6530

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

7646

Males

6213

M45-49

6213

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10200

Males

7377

M45-49

7377

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6530

Males

5176

M45-49

5176

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10587

Males

7035

M45-49

7035

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

12736

Males

8033

M45-49

8033

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11205

Males

7168

M45-49

7168

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8111

Males

5550

M45-49

5550

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8641

Males

5727

M45-49

5727

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13200

Males

7971

M45-49

7971

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11235

Males

7114

M45-49

7114

Passing Analysis

Category:
Athletes Passed
1232
Passed By
3153
Net Change
-1921
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5977
5K → 10K50723-673#5977#6650
10K → 15K94269-175#6650#6825
15K → 20K175155+20#6825#6805
20K → Half1558-43#6805#6848
Half → 25K155193-38#6848#6886
25K → 30K92629-537#6886#7423
30K → 20M17838+140#7423#7283
20M → 21M71223-152#7283#7435
21M → 35K45206-161#7435#7596
35K → 23M92246-154#7596#7750
23M → 24M11047+63#7750#7687
24M → 40K8286-4#7687#7691
40K → 25.2M22114-92#7691#7783
25.2M → Finish51166-115#7783#7898
TOTALS12323153-1921
📊

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