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BOSTON MARATHON 2024

Sam Felsenfeld

Bib: 26128•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 43%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 45%
Division (M45-49)
#0 / 2218
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
8:01/mi
24:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:14:08
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:39:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:44:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:04:17
↑ 66↓ 880.2%
30K· 18.64 mi
8:43/mi
2:31:23
↑ 181↓ 1480.2%
20M
8:56/mi
2:43:32
↑ 64↓ 500.2%
21M
9:24/mi
2:52:56
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:58:59
↑ 17↓ 861.7%
23M
8:20/mi
3:09:25
↑ 23↓ 630.6%
24M
8:31/mi
3:17:56
↓ 821.3%
40K· 24.85 mi
8:12/mi
3:24:57
↓ 200.3%
25.2M
9:11/mi
3:28:07
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:35:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:25
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:51:31
Pace8:30 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0624:538:0124:53
8:01
-
10K
6.21 mi12:12:4849:357:5924:42
7:57
-0:04
15K
9.32 mi12:37:211:14:087:5724:33
7:54
-0:03
20K
12.43 mi13:02:131:39:007:5824:52
8:00
+0:06
Half
13.11 mi13:07:381:44:257:585:25
7:56
-0:04
25K
15.53 mi13:27:302:04:178:0019:52
8:12
+0:16
30K
18.64 mi13:54:362:31:238:0727:06
8:43
+0:31
20M
20.00 mi14:06:452:43:328:1112:09
8:56
+0:13
21M
21.00 mi14:16:092:52:568:149:24
9:24
+0:28
35K
21.75 mi14:22:122:58:598:146:03
8:05
-1:19
23M
23.00 mi14:32:383:09:258:1410:26
8:20
+0:15
24M
24.00 mi14:41:093:17:568:158:31
8:31
+0:11
40K
24.85 mi14:48:103:24:578:157:01
8:12
-0:19
25.2M
25.20 mi14:51:203:28:078:163:10
9:11
+0:59
Finish
26.22 mi14:59:093:35:568:157:49
7:40
-1:31

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

7:40 /mi

Average Pace

8:15 /mi

Slowest Pace

9:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:29

29% of race

Time at Steady Pace

1:33:07

43% of race

Time at Slower Pace

1:00:20

28% of race

Average Pace: 8:14 /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 mi11:48:0624:538:0124:53
8:01
#14694
10K
6.21 mi12:12:4849:357:5924:42
7:57
#14252
15K
9.32 mi12:37:211:14:087:5724:33
7:54
#13719
20K
12.43 mi13:02:131:39:007:5824:52
8:00
#13135
Half
13.11 mi13:07:381:44:257:585:25
7:56
#13074
25K
15.53 mi13:27:302:04:178:0019:52
8:12
#12718
30K
18.64 mi13:54:362:31:238:0727:06
8:43
#12470
20M
20.00 mi14:06:452:43:328:1112:09
8:56
#12373
21M
21.00 mi14:16:092:52:568:149:24
9:24
#12209
35K
21.75 mi14:22:122:58:598:146:03
8:05
#12033
23M
23.00 mi14:32:383:09:258:1410:26
8:20
#11709
24M
24.00 mi14:41:093:17:568:158:31
8:31
#11551
40K
24.85 mi14:48:103:24:578:157:01
8:12
#11301
25.2M
25.20 mi14:51:203:28:078:163:10
9:11
#11195
Finish
26.22 mi14:59:093:35:568:157:49
7:40
#10974
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi146949901990112689(Top 50%)9040(Top 62%)9040(Top 408%)
10K6.21 mi3.10 mi14252+4429735+1669735+16613813(Top 54%)9539(Top 65%)9539(Top 430%)
15K9.32 mi3.11 mi13719+5339495+2409495+24012689(Top 50%)9040(Top 62%)9040(Top 408%)
20K12.43 mi3.11 mi13135+5849248+2479248+24711840(Top 46%)8577(Top 59%)8577(Top 387%)
Half13.11 mi0.68 mi13074+619208+409208+4012243(Top 48%)8744(Top 60%)8744(Top 394%)
25K15.53 mi2.42 mi12718+3569032+1769032+17611307(Top 44%)8154(Top 56%)8154(Top 368%)
30K18.64 mi3.11 mi12470+2488831+2018831+20111807(Top 46%)8145(Top 56%)8145(Top 367%)
20M20.00 mi1.36 mi12373+978738+938738+9311789(Top 46%)7854(Top 54%)7854(Top 354%)
21M21.00 mi1.00 mi12209+1648598+1408598+14010365(Top 41%)6925(Top 48%)6925(Top 312%)
35K21.75 mi0.75 mi12033+1768488+1108488+1108323(Top 33%)5932(Top 41%)5932(Top 267%)
23M23.00 mi1.25 mi11709+3248273+2158273+2157544(Top 30%)5371(Top 37%)5371(Top 242%)
24M24.00 mi1.00 mi11551+1588148+1258148+1259542(Top 37%)6312(Top 43%)6312(Top 285%)
40K24.85 mi0.85 mi11301+2507988+1607988+1606815(Top 27%)4778(Top 33%)4778(Top 215%)
25.2M25.20 mi0.35 mi11195+1067912+767912+767394(Top 29%)5020(Top 34%)5020(Top 226%)
Finish26.22 mi1.02 mi10974+2217765+1477765+1476567(Top 26%)4634(Top 32%)4634(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

12689

Males

9040

M45-49

9040

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

13813

Males

9539

M45-49

9539

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

12689

Males

9040

M45-49

9040

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

11840

Males

8577

M45-49

8577

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12243

Males

8744

M45-49

8744

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11307

Males

8154

M45-49

8154

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

11807

Males

8145

M45-49

8145

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

11789

Males

7854

M45-49

7854

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10365

Males

6925

M45-49

6925

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8323

Males

5932

M45-49

5932

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7544

Males

5371

M45-49

5371

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9542

Males

6312

M45-49

6312

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

6815

Males

4778

M45-49

4778

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7394

Males

5020

M45-49

5020

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6567

Males

4634

M45-49

4634

Passing Analysis

Category:
Athletes Passed
4343
Passed By
623
Net Change
+3720
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14694
5K → 10K556114+442#14694#14252
10K → 15K57239+533#14252#13719
15K → 20K61127+584#13719#13135
20K → Half8928+61#13135#13074
Half → 25K42165+356#13074#12718
25K → 30K407159+248#12718#12470
30K → 20M18184+97#12470#12373
20M → 21M21652+164#12373#12209
21M → 35K1837+176#12209#12033
35K → 23M3339+324#12033#11709
23M → 24M18426+158#11709#11551
24M → 40K2544+250#11551#11301
40K → 25.2M1082+106#11301#11195
25.2M → Finish2287+221#11195#10974
TOTALS4343623+3720
📊

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