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BOSTON MARATHON 2023

Sam Rahman

Bib: 3460•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Masters (Masters Men)
#0 / 9891
Top 4%
Division (M40-44)
#0 / 2241
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
6:34/mi
20:23
↑ 97↓ 3451.5%
10K· 6.21 mi
6:31/mi
40:39
↑ 79↓ 1380.4%
15K· 9.32 mi
6:32/mi
1:00:56
↑ 67↓ 78
20K· 12.43 mi
6:36/mi
1:21:27
↑ 106↓ 860.1%
Half· 13.11 mi
6:35/mi
1:25:57
↑ 19↓ 370.5%
25K· 15.53 mi
6:35/mi
1:41:55
↑ 66↓ 880.2%
30K· 18.64 mi
6:43/mi
2:02:48
↑ 181↓ 1480.2%
20M
6:40/mi
2:11:51
↑ 64↓ 500.2%
21M
6:58/mi
2:18:49
↑ 106↓ 241.6%
35K· 21.75 mi
6:12/mi
2:23:27
↑ 17↓ 861.7%
23M
6:25/mi
2:31:29
↑ 23↓ 630.6%
24M
6:10/mi
2:37:39
↓ 821.3%
40K· 24.85 mi
6:20/mi
2:43:04
↓ 200.3%
25.2M
6:49/mi
2:45:25
↑ 13↓ 160.2%
Finish· 26.22 mi
6:01/mi
2:51:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:57
Pace6:33 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:36
Pace6:32 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3420:236:3420:23
6:34
-
10K
6.21 mi10:41:5040:396:3320:16
6:31
-0:03
15K
9.32 mi11:02:071:00:566:3220:17
6:32
+0:01
20K
12.43 mi11:22:381:21:276:3320:31
6:36
+0:04
Half
13.11 mi11:27:081:25:576:334:30
6:35
-0:01
25K
15.53 mi11:43:061:41:556:3415:58
6:35
0:00
30K
18.64 mi12:03:592:02:486:3520:53
6:43
+0:08
20M
20.00 mi12:13:022:11:516:369:03
6:40
-0:03
21M
21.00 mi12:20:002:18:496:376:58
6:58
+0:18
35K
21.75 mi12:24:382:23:276:364:38
6:12
-0:46
23M
23.00 mi12:32:402:31:296:358:02
6:25
+0:13
24M
24.00 mi12:38:502:37:396:346:10
6:10
-0:15
40K
24.85 mi12:44:152:43:046:345:25
6:20
+0:10
25.2M
25.20 mi12:46:362:45:256:342:21
6:49
+0:29
Finish
26.22 mi12:52:442:51:336:336:08
6:01
-0:48

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

6:01 /mi

Average Pace

6:33 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:18

77% of race

Time at Steady Pace

39:15

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:33 /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 mi10:21:3420:236:3420:23
6:34
#2605
10K
6.21 mi10:41:5040:396:3320:16
6:31
#2748
15K
9.32 mi11:02:071:00:566:3220:17
6:32
#2741
20K
12.43 mi11:22:381:21:276:3320:31
6:36
#2762
Half
13.11 mi11:27:081:25:576:334:30
6:35
#2783
25K
15.53 mi11:43:061:41:556:3415:58
6:35
#2744
30K
18.64 mi12:03:592:02:486:3520:53
6:43
#2681
20M
20.00 mi12:13:022:11:516:369:03
6:40
#2603
21M
21.00 mi12:20:002:18:496:376:58
6:58
#2539
35K
21.75 mi12:24:382:23:276:364:38
6:12
#2458
23M
23.00 mi12:32:402:31:296:358:02
6:25
#2346
24M
24.00 mi12:38:502:37:396:346:10
6:10
#2253
40K
24.85 mi12:44:152:43:046:345:25
6:20
#2178
25.2M
25.20 mi12:46:362:45:256:342:21
6:49
#2148
Finish
26.22 mi12:52:442:51:336:336:08
6:01
#2024
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2605248224822798(Top 11%)2674(Top 18%)2674(Top 119%)
10K6.21 mi3.10 mi2748-1432620-1382620-1382925(Top 11%)2795(Top 18%)2795(Top 125%)
15K9.32 mi3.11 mi2741+72616+42616+42798(Top 11%)2674(Top 18%)2674(Top 119%)
20K12.43 mi3.11 mi2762-212640-242640-242855(Top 11%)2723(Top 18%)2723(Top 122%)
Half13.11 mi0.68 mi2783-212662-222662-223319(Top 12%)3150(Top 21%)3150(Top 141%)
25K15.53 mi2.42 mi2744+392621+412621+412646(Top 10%)2533(Top 17%)2533(Top 113%)
30K18.64 mi3.11 mi2681+632561+602561+602504(Top 9%)2381(Top 16%)2381(Top 106%)
20M20.00 mi1.36 mi2603+782486+752486+752107(Top 8%)2008(Top 13%)2008(Top 90%)
21M21.00 mi1.00 mi2539+642430+562430+561989(Top 7%)1884(Top 12%)1884(Top 84%)
35K21.75 mi0.75 mi2458+812354+762354+761245(Top 5%)1188(Top 8%)1188(Top 53%)
23M23.00 mi1.25 mi2346+1122247+1072247+1071167(Top 4%)1103(Top 7%)1103(Top 49%)
24M24.00 mi1.00 mi2253+932159+882159+88934(Top 4%)885(Top 6%)885(Top 39%)
40K24.85 mi0.85 mi2178+752090+692090+691020(Top 4%)967(Top 6%)967(Top 43%)
25.2M25.20 mi0.35 mi2148+302061+292061+291219(Top 5%)1158(Top 8%)1158(Top 52%)
Finish26.22 mi1.02 mi2024+1241940+1211940+121789(Top 3%)756(Top 5%)756(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

2798

Males

2674

M40-44

2674

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

2925

Males

2795

M40-44

2795

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

2798

Males

2674

M40-44

2674

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

2855

Males

2723

M40-44

2723

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3319

Males

3150

M40-44

3150

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2646

Males

2533

M40-44

2533

25K→30K

15.5 - 18.6 mi

Top 9%
×9story building
+181ft-148ft

Overall

2504

Males

2381

M40-44

2381

30K→20M

18.6 - 20.0 mi

Top 8%
×5story building
+64ft-50ft

Overall

2107

Males

2008

M40-44

2008

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

1989

Males

1884

M40-44

1884

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1245

Males

1188

M40-44

1188

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1167

Males

1103

M40-44

1103

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

934

Males

885

M40-44

885

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1020

Males

967

M40-44

967

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1219

Males

1158

M40-44

1158

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

789

Males

756

M40-44

756

Passing Analysis

Category:
Athletes Passed
1112
Passed By
531
Net Change
+581
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2605
5K → 10K89232-143#2605#2748
10K → 15K8578+7#2748#2741
15K → 20K6990-21#2741#2762
20K → Half829-21#2762#2783
Half → 25K7738+39#2783#2744
25K → 30K10239+63#2744#2681
30K → 20M8810+78#2681#2603
20M → 21M728+64#2603#2539
21M → 35K810+81#2539#2458
35K → 23M1131+112#2458#2346
23M → 24M930+93#2346#2253
24M → 40K783+75#2253#2178
40K → 25.2M311+30#2178#2148
25.2M → Finish1262+124#2148#2024
TOTALS1112531+581
📊

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