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BOSTON MARATHON 2023

Daniel Ifcher

Bib: 7223•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M50-54)
#0 / 2052
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:26
Rank: #5566
Start → 5K
6:54/mi
21:26 split
10K· 6.21 mi
42:05
Rank: #4735 (+831)
5K → 10K
6:39/mi
20:39 split
15K· 9.32 mi
1:02:40
Rank: #4260 (+475)
10K → 15K
6:38/mi
20:35 split
20K· 12.43 mi
1:23:38
Rank: #4171 (+89)
15K → 20K
6:45/mi
20:58 split
Half· 13.11 mi
1:28:10
Rank: #4147 (+24)
20K → Half
6:39/mi
4:32 split
25K· 15.53 mi
1:44:31
Rank: #4044 (+103)
Half → 25K
6:45/mi
16:21 split
30K· 18.64 mi
2:06:05
Rank: #3981 (+63)
25K → 30K
6:56/mi
21:34 split
20M
2:15:25
Rank: #3883 (+98)
30K → 20M
6:52/mi
9:20 split
21M
2:22:52
Rank: #3898 (-15)
20M → 21M
7:27/mi
7:27 split
35K· 21.75 mi
2:28:03
Rank: #3941 (-43)
21M → 35K
6:56/mi
5:11 split
23M
2:36:54
Rank: #3948 (-7)
35K → 23M
7:04/mi
8:51 split
24M
2:43:49
Rank: #3970 (-22)
23M → 24M
6:55/mi
6:55 split
40K· 24.85 mi
2:49:49
Rank: #3966 (+4)
24M → 40K
7:01/mi
6:00 split
25.2M
2:52:27
Rank: #3976 (-10)
40K → 25.2M
7:38/mi
2:38 split
Finish· 26.22 mi
2:59:29
Rank: #4032 (-56)
25.2M → Finish
6:54/mi
7:02 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:10
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:31:19
Pace6:58 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3321:266:5421:26
6:54
-
10K
6.21 mi10:46:1242:056:4620:39
6:39
-0:15
15K
9.32 mi11:06:471:02:406:4320:35
6:38
-0:01
20K
12.43 mi11:27:451:23:386:4420:58
6:45
+0:07
Half
13.11 mi11:32:171:28:106:444:32
6:39
-0:06
25K
15.53 mi11:48:381:44:316:4416:21
6:45
+0:06
30K
18.64 mi12:10:122:06:056:4621:34
6:56
+0:11
20M
20.00 mi12:19:322:15:256:469:20
6:52
-0:04
21M
21.00 mi12:26:592:22:526:487:27
7:27
+0:35
35K
21.75 mi12:32:102:28:036:485:11
6:56
-0:31
23M
23.00 mi12:41:012:36:546:498:51
7:04
+0:08
24M
24.00 mi12:47:562:43:496:506:55
6:55
-0:09
40K
24.85 mi12:53:562:49:496:506:00
7:01
+0:06
25.2M
25.20 mi12:56:342:52:276:512:38
7:38
+0:37
Finish
26.22 mi13:03:362:59:296:517:02
6:54
-0:44

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

6:38 /mi

Average Pace

6:51 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:24

94% of race

Time at Steady Pace

10:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:25:3321:266:5421:26
6:54
#5566
10K
6.21 mi10:46:1242:056:4620:39
6:39
#4735
15K
9.32 mi11:06:471:02:406:4320:35
6:38
#4260
20K
12.43 mi11:27:451:23:386:4420:58
6:45
#4171
Half
13.11 mi11:32:171:28:106:444:32
6:39
#4147
25K
15.53 mi11:48:381:44:316:4416:21
6:45
#4044
30K
18.64 mi12:10:122:06:056:4621:34
6:56
#3981
20M
20.00 mi12:19:322:15:256:469:20
6:52
#3883
21M
21.00 mi12:26:592:22:526:487:27
7:27
#3898
35K
21.75 mi12:32:102:28:036:485:11
6:56
#3941
23M
23.00 mi12:41:012:36:546:498:51
7:04
#3948
24M
24.00 mi12:47:562:43:496:506:55
6:55
#3970
40K
24.85 mi12:53:562:49:496:506:00
7:01
#3966
25.2M
25.20 mi12:56:342:52:276:512:38
7:38
#3976
Finish
26.22 mi13:03:362:59:296:517:02
6:54
#4032
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5566512551253531(Top 13%)3338(Top 22%)3338(Top 163%)
10K6.21 mi3.10 mi4735+8314411+7144411+7143882(Top 15%)3655(Top 24%)3655(Top 178%)
15K9.32 mi3.11 mi4260+4753989+4223989+4223531(Top 13%)3338(Top 22%)3338(Top 163%)
20K12.43 mi3.11 mi4171+893913+763913+763989(Top 15%)3744(Top 25%)3744(Top 182%)
Half13.11 mi0.68 mi4147+243892+213892+213935(Top 15%)3689(Top 24%)3689(Top 180%)
25K15.53 mi2.42 mi4044+1033801+913801+913722(Top 14%)3502(Top 23%)3502(Top 171%)
30K18.64 mi3.11 mi3981+633748+533748+533967(Top 15%)3706(Top 24%)3706(Top 181%)
20M20.00 mi1.36 mi3883+983658+903658+903257(Top 12%)3046(Top 20%)3046(Top 148%)
21M21.00 mi1.00 mi3898-153667-93667-94375(Top 16%)3993(Top 26%)3993(Top 195%)
35K21.75 mi0.75 mi3941-433706-393706-395006(Top 19%)4481(Top 30%)4481(Top 218%)
23M23.00 mi1.25 mi3948-73705+13705+14172(Top 16%)3815(Top 25%)3815(Top 186%)
24M24.00 mi1.00 mi3970-223718-133718-134299(Top 16%)3891(Top 26%)3891(Top 190%)
40K24.85 mi0.85 mi3966+43713+53713+53981(Top 15%)3563(Top 23%)3563(Top 174%)
25.2M25.20 mi0.35 mi3976-103722-93722-94672(Top 18%)4027(Top 27%)4027(Top 196%)
Finish26.22 mi1.02 mi4032-563773-513773-514692(Top 18%)4047(Top 27%)4047(Top 197%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3531

Males

3338

M50-54

3338

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

3882

Males

3655

M50-54

3655

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3531

Males

3338

M50-54

3338

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

3989

Males

3744

M50-54

3744

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

3935

Males

3689

M50-54

3689

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3722

Males

3502

M50-54

3502

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

3967

Males

3706

M50-54

3706

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3257

Males

3046

M50-54

3046

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4375

Males

3993

M50-54

3993

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5006

Males

4481

M50-54

4481

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4172

Males

3815

M50-54

3815

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4299

Males

3891

M50-54

3891

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3981

Males

3563

M50-54

3563

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4672

Males

4027

M50-54

4027

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4692

Males

4047

M50-54

4047

Passing Analysis

Category:
Athletes Passed
2183
Passed By
649
Net Change
+1534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5566
5K → 10K84817+831#5566#4735
10K → 15K4849+475#4735#4260
15K → 20K14051+89#4260#4171
20K → Half339+24#4171#4147
Half → 25K13229+103#4147#4044
25K → 30K14178+63#4044#3981
30K → 20M11719+98#3981#3883
20M → 21M6479-15#3883#3898
21M → 35K2366-43#3898#3941
35K → 23M5663-7#3941#3948
23M → 24M4365-22#3948#3970
24M → 40K4743+4#3970#3966
40K → 25.2M2434-10#3966#3976
25.2M → Finish3187-56#3976#4032
TOTALS2183649+1534
📊

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