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BOSTON MARATHON 2023

Jack Marden

Bib: 21004•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:21
Rank: #21934
Start → 5K
29:21 | 9:27/mi
10K· 6.21 mi
59:25
Rank: #22502 (-568)
5K → 10K
30:04 | 9:41/mi
15K· 9.32 mi
1:30:07
Rank: #22773 (-271)
10K → 15K
30:42 | 9:53/mi
20K· 12.43 mi
2:01:21
Rank: #22836 (-63)
15K → 20K
31:14 | 10:03/mi
Half· 13.11 mi
2:08:08
Rank: #22856 (-20)
20K → Half
6:47 | 9:57/mi
25K· 15.53 mi
2:34:02
Rank: #22986 (-130)
Half → 25K
25:54 | 10:41/mi
30K· 18.64 mi
3:09:41
Rank: #23204 (-218)
25K → 30K
35:39 | 11:28/mi
20M
3:25:17
Rank: #23206 (-2)
30K → 20M
15:36 | 11:29/mi
21M
3:37:00
Rank: #23168 (+38)
20M → 21M
11:43 | 11:43/mi
35K· 21.75 mi
3:45:46
Rank: #23209 (-41)
21M → 35K
8:46 | 11:43/mi
23M
4:01:23
Rank: #23331 (-122)
35K → 23M
15:37 | 12:28/mi
24M
4:13:26
Rank: #23422 (-91)
23M → 24M
12:03 | 12:03/mi
40K· 24.85 mi
4:23:19
Rank: #23403 (+19)
24M → 40K
9:53 | 11:34/mi
25.2M
4:27:30
Rank: #23402 (+1)
40K → 25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
4:38:33
Rank: #23417 (-15)
25.2M → Finish
11:03 | 10:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:08
Pace9:46 /mi
2nd Half
Distance13.11 mi
Time2:30:25
Pace11:28 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0229:219:2729:21
9:27
-
10K
6.21 mi11:55:0659:259:3430:04
9:41
+0:14
15K
9.32 mi12:25:481:30:079:4030:42
9:53
+0:12
20K
12.43 mi12:57:022:01:219:4631:14
10:03
+0:10
Half
13.11 mi13:03:492:08:089:466:47
9:57
-0:06
25K
15.53 mi13:29:432:34:029:5525:54
10:41
+0:44
30K
18.64 mi14:05:223:09:4110:1135:39
11:28
+0:47
20M
20.00 mi14:20:583:25:1710:1615:36
11:29
+0:01
21M
21.00 mi14:32:413:37:0010:2011:43
11:43
+0:14
35K
21.75 mi14:41:273:45:4610:238:46
11:43
0:00
23M
23.00 mi14:57:044:01:2310:3015:37
12:28
+0:45
24M
24.00 mi15:09:074:13:2610:3412:03
12:03
-0:25
40K
24.85 mi15:19:004:23:1910:369:53
11:34
-0:29
25.2M
25.20 mi15:23:114:27:3010:374:11
12:08
+0:34
Finish
26.22 mi15:34:144:38:3310:3811:03
10:51
-1:17

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

9:27 /mi

Average Pace

10:38 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:05

59% of race

Time at Steady Pace

1:21:37

29% of race

Time at Slower Pace

31:51

11% of race

Average Pace: 10:37 /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 mi11:25:0229:219:2729:21
9:27
#21934
10K
6.21 mi11:55:0659:259:3430:04
9:41
#22502
15K
9.32 mi12:25:481:30:079:4030:42
9:53
#22773
20K
12.43 mi12:57:022:01:219:4631:14
10:03
#22836
Half
13.11 mi13:03:492:08:089:466:47
9:57
#22856
25K
15.53 mi13:29:432:34:029:5525:54
10:41
#22986
30K
18.64 mi14:05:223:09:4110:1135:39
11:28
#23204
20M
20.00 mi14:20:583:25:1710:1615:36
11:29
#23206
21M
21.00 mi14:32:413:37:0010:2011:43
11:43
#23168
35K
21.75 mi14:41:273:45:4610:238:46
11:43
#23209
23M
23.00 mi14:57:044:01:2310:3015:37
12:28
#23331
24M
24.00 mi15:09:074:13:2610:3412:03
12:03
#23422
40K
24.85 mi15:19:004:23:1910:369:53
11:34
#23403
25.2M
25.20 mi15:23:114:27:3010:374:11
12:08
#23402
Finish
26.22 mi15:34:144:38:3310:3811:03
10:51
#23417
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21934130631306323257(Top 87%)13759(Top 91%)13759(Top 1240%)
10K6.21 mi3.10 mi22502-56813378-31513378-31522998(Top 86%)13647(Top 90%)13647(Top 1229%)
15K9.32 mi3.11 mi22773-27113531-15313531-15323257(Top 87%)13759(Top 91%)13759(Top 1240%)
20K12.43 mi3.11 mi22836-6313549-1813549-1823026(Top 86%)13647(Top 90%)13647(Top 1229%)
Half13.11 mi0.68 mi22856-2013561-1213561-1223149(Top 87%)13689(Top 90%)13689(Top 1233%)
25K15.53 mi2.42 mi22986-13013611-5013611-5023483(Top 88%)13804(Top 91%)13804(Top 1244%)
30K18.64 mi3.11 mi23204-21813698-8713698-8723821(Top 89%)13887(Top 92%)13887(Top 1251%)
20M20.00 mi1.36 mi23206-213682+1613682+1623491(Top 88%)13684(Top 90%)13684(Top 1233%)
21M21.00 mi1.00 mi23168+3813651+3113651+3122261(Top 84%)13096(Top 86%)13096(Top 1180%)
35K21.75 mi0.75 mi23209-4113667-1613667-1624369(Top 92%)14025(Top 92%)14025(Top 1264%)
23M23.00 mi1.25 mi23331-12213714-4713714-4724546(Top 92%)14109(Top 93%)14109(Top 1271%)
24M24.00 mi1.00 mi23422-9113750-3613750-3624591(Top 92%)14086(Top 93%)14086(Top 1269%)
40K24.85 mi0.85 mi23403+1913731+1913731+1923297(Top 88%)13453(Top 89%)13453(Top 1212%)
25.2M25.20 mi0.35 mi23402+113727+413727+422721(Top 85%)13192(Top 87%)13192(Top 1188%)
Finish26.22 mi1.02 mi23417-1513724+313724+323682(Top 89%)13660(Top 90%)13660(Top 1231%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23257

Males

13759

M60-64

13759

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22998

Males

13647

M60-64

13647

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23257

Males

13759

M60-64

13759

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

23026

Males

13647

M60-64

13647

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23149

Males

13689

M60-64

13689

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23483

Males

13804

M60-64

13804

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

23821

Males

13887

M60-64

13887

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23491

Males

13684

M60-64

13684

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22261

Males

13096

M60-64

13096

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24369

Males

14025

M60-64

14025

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24546

Males

14109

M60-64

14109

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24591

Males

14086

M60-64

14086

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23297

Males

13453

M60-64

13453

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22721

Males

13192

M60-64

13192

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23682

Males

13660

M60-64

13660

Passing Analysis

Category:
Athletes Passed
623
Passed By
2106
Net Change
-1483
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21934
5K → 10K63631-568#21934#22502
10K → 15K69340-271#22502#22773
15K → 20K109172-63#22773#22836
20K → Half1535-20#22836#22856
Half → 25K60190-130#22856#22986
25K → 30K56274-218#22986#23204
30K → 20M5052-2#23204#23206
20M → 21M6830+38#23206#23168
21M → 35K1859-41#23168#23209
35K → 23M16138-122#23209#23331
23M → 24M10101-91#23331#23422
24M → 40K4728+19#23422#23403
40K → 25.2M1514+1#23403#23402
25.2M → Finish2742-15#23402#23417
TOTALS6232106-1483
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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