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BOSTON MARATHON 2024

William Liebler

Bib: 13042•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 28%
Gender (Male)
#0 / 14578
Top 40%
Masters (Masters Men)
#0 / 9729
Top 29%
Division (M50-54)
#0 / 1935
Top 27%
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
7:23/mi
22:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
46:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:09:13
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:32:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:37:21
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:55:48
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:20:12
↑ 181↓ 1480.2%
20M
7:58/mi
2:31:01
↑ 64↓ 500.2%
21M
8:35/mi
2:39:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:45:27
↑ 17↓ 861.7%
23M
8:12/mi
2:55:43
↑ 23↓ 630.6%
24M
8:10/mi
3:03:53
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:10:48
↓ 200.3%
25.2M
8:45/mi
3:13:49
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:21:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:21
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:44:03
Pace7:56 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1922:577:2322:57
7:23
-
10K
6.21 mi11:16:3846:167:2723:19
7:30
+0:07
15K
9.32 mi11:39:351:09:137:2622:57
7:23
-0:07
20K
12.43 mi12:02:381:32:167:2523:03
7:25
+0:02
Half
13.11 mi12:07:431:37:217:265:05
7:27
+0:02
25K
15.53 mi12:26:101:55:487:2718:27
7:37
+0:10
30K
18.64 mi12:50:342:20:127:3124:24
7:51
+0:14
20M
20.00 mi13:01:232:31:017:3310:49
7:58
+0:07
21M
21.00 mi13:09:582:39:367:368:35
8:35
+0:37
35K
21.75 mi13:15:492:45:277:365:51
7:49
-0:46
23M
23.00 mi13:26:052:55:437:3810:16
8:12
+0:23
24M
24.00 mi13:34:153:03:537:408:10
8:10
-0:02
40K
24.85 mi13:41:103:10:487:416:55
8:05
-0:05
25.2M
25.20 mi13:44:113:13:497:413:01
8:45
+0:40
Finish
26.22 mi13:51:463:21:247:417:35
7:26
-1:19

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

7:23 /mi

Average Pace

7:41 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:22

85% of race

Time at Steady Pace

27:01

13% of race

Time at Slower Pace

3:01

1% of race

Average Pace: 7:41 /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 mi10:53:1922:577:2322:57
7:23
#9805
10K
6.21 mi11:16:3846:167:2723:19
7:30
#9996
15K
9.32 mi11:39:351:09:137:2622:57
7:23
#9542
20K
12.43 mi12:02:381:32:167:2523:03
7:25
#9047
Half
13.11 mi12:07:431:37:217:265:05
7:27
#9018
25K
15.53 mi12:26:101:55:487:2718:27
7:37
#8753
30K
18.64 mi12:50:342:20:127:3124:24
7:51
#8293
20M
20.00 mi13:01:232:31:017:3310:49
7:58
#8100
21M
21.00 mi13:09:582:39:367:368:35
8:35
#7903
35K
21.75 mi13:15:492:45:277:365:51
7:49
#7810
23M
23.00 mi13:26:052:55:437:3810:16
8:12
#7641
24M
24.00 mi13:34:153:03:537:408:10
8:10
#7566
40K
24.85 mi13:41:103:10:487:416:55
8:05
#7462
25.2M
25.20 mi13:44:113:13:497:413:01
8:45
#7390
Finish
26.22 mi13:51:463:21:247:417:35
7:26
#7229
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9805784378438767(Top 34%)7150(Top 49%)7150(Top 370%)
10K6.21 mi3.10 mi9996-1917926-837926-8310295(Top 40%)8025(Top 55%)8025(Top 415%)
15K9.32 mi3.11 mi9542+4547643+2837643+2838767(Top 34%)7150(Top 49%)7150(Top 370%)
20K12.43 mi3.11 mi9047+4957340+3037340+3037765(Top 30%)6455(Top 44%)6455(Top 334%)
Half13.11 mi0.68 mi9018+297314+267314+268682(Top 34%)6990(Top 48%)6990(Top 361%)
25K15.53 mi2.42 mi8753+2657134+1807134+1807676(Top 30%)6229(Top 43%)6229(Top 322%)
30K18.64 mi3.11 mi8293+4606760+3746760+3747023(Top 27%)5639(Top 39%)5639(Top 291%)
20M20.00 mi1.36 mi8100+1936599+1616599+1616523(Top 26%)5169(Top 35%)5169(Top 267%)
21M21.00 mi1.00 mi7903+1976439+1606439+1606618(Top 26%)5055(Top 35%)5055(Top 261%)
35K21.75 mi0.75 mi7810+936359+806359+806678(Top 26%)5064(Top 35%)5064(Top 262%)
23M23.00 mi1.25 mi7641+1696195+1646195+1646792(Top 27%)4975(Top 34%)4975(Top 257%)
24M24.00 mi1.00 mi7566+756107+886107+887533(Top 29%)5254(Top 36%)5254(Top 272%)
40K24.85 mi0.85 mi7462+1046006+1016006+1016220(Top 24%)4450(Top 31%)4450(Top 230%)
25.2M25.20 mi0.35 mi7390+725943+635943+635430(Top 21%)3965(Top 27%)3965(Top 205%)
Finish26.22 mi1.02 mi7229+1615812+1315812+1315277(Top 21%)3961(Top 27%)3961(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

8767

Males

7150

M50-54

7150

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10295

Males

8025

M50-54

8025

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

8767

Males

7150

M50-54

7150

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7765

Males

6455

M50-54

6455

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8682

Males

6990

M50-54

6990

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

7676

Males

6229

M50-54

6229

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7023

Males

5639

M50-54

5639

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6523

Males

5169

M50-54

5169

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6618

Males

5055

M50-54

5055

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6678

Males

5064

M50-54

5064

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

6792

Males

4975

M50-54

4975

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7533

Males

5254

M50-54

5254

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6220

Males

4450

M50-54

4450

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5430

Males

3965

M50-54

3965

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5277

Males

3961

M50-54

3961

Passing Analysis

Category:
Athletes Passed
3389
Passed By
813
Net Change
+2576
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9805
5K → 10K188379-191#9805#9996
10K → 15K48127+454#9996#9542
15K → 20K51318+495#9542#9047
20K → Half5223+29#9047#9018
Half → 25K32156+265#9018#8753
25K → 30K52868+460#8753#8293
30K → 20M22835+193#8293#8100
20M → 21M22528+197#8100#7903
21M → 35K11320+93#7903#7810
35K → 23M22859+169#7810#7641
23M → 24M12853+75#7641#7566
24M → 40K12723+104#7566#7462
40K → 25.2M8412+72#7462#7390
25.2M → Finish17312+161#7390#7229
TOTALS3389813+2576
📊

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