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BOSTON MARATHON 2023

Joel Dalton

Bib: 5934•M

MI

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 (M55-59)
#0 / 1422
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #4525
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
41:44
Rank: #4169 (+356)
5K → 10K
20:40 | 6:39/mi
15K· 9.32 mi
1:02:35
Rank: #4164 (+5)
10K → 15K
20:51 | 6:43/mi
20K· 12.43 mi
1:23:31
Rank: #4071 (+93)
15K → 20K
20:56 | 6:44/mi
Half· 13.11 mi
1:28:03
Rank: #4043 (+28)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:30
Rank: #4037 (+6)
Half → 25K
16:27 | 6:47/mi
30K· 18.64 mi
2:06:03
Rank: #3964 (+73)
25K → 30K
21:33 | 6:56/mi
20M
2:15:24
Rank: #3876 (+88)
30K → 20M
9:21 | 6:53/mi
21M
2:22:46
Rank: #3852 (+24)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:27:48
Rank: #3845 (+7)
21M → 35K
5:02 | 6:44/mi
23M
2:36:44
Rank: #3884 (-39)
35K → 23M
8:56 | 7:08/mi
24M
2:43:36
Rank: #3885 (-1)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:49:39
Rank: #3903 (-18)
24M → 40K
6:03 | 7:05/mi
25.2M
2:52:16
Rank: #3911 (-8)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:59:27
Rank: #4013 (-102)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:03
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:31:24
Pace6:58 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5621:046:4721:04
6:47
-
10K
6.21 mi10:44:3641:446:4320:40
6:39
-0:08
15K
9.32 mi11:05:271:02:356:4320:51
6:43
+0:04
20K
12.43 mi11:26:231:23:316:4320:56
6:44
+0:01
Half
13.11 mi11:30:551:28:036:434:32
6:39
-0:05
25K
15.53 mi11:47:221:44:306:4416:27
6:47
+0:08
30K
18.64 mi12:08:552:06:036:4621:33
6:56
+0:09
20M
20.00 mi12:18:162:15:246:469:21
6:53
-0:03
21M
21.00 mi12:25:382:22:466:487:22
7:22
+0:29
35K
21.75 mi12:30:402:27:486:485:02
6:44
-0:38
23M
23.00 mi12:39:362:36:446:498:56
7:08
+0:24
24M
24.00 mi12:46:282:43:366:496:52
6:52
-0:16
40K
24.85 mi12:52:312:49:396:506:03
7:05
+0:13
25.2M
25.20 mi12:55:082:52:166:502:37
7:35
+0:30
Finish
26.22 mi13:02:192:59:276:517:11
7:03
-0:32

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

6:39 /mi

Average Pace

6:51 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:28

94% of race

Time at Steady Pace

9:59

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 mi10:23:5621:046:4721:04
6:47
#4525
10K
6.21 mi10:44:3641:446:4320:40
6:39
#4169
15K
9.32 mi11:05:271:02:356:4320:51
6:43
#4164
20K
12.43 mi11:26:231:23:316:4320:56
6:44
#4071
Half
13.11 mi11:30:551:28:036:434:32
6:39
#4043
25K
15.53 mi11:47:221:44:306:4416:27
6:47
#4037
30K
18.64 mi12:08:552:06:036:4621:33
6:56
#3964
20M
20.00 mi12:18:162:15:246:469:21
6:53
#3876
21M
21.00 mi12:25:382:22:466:487:22
7:22
#3852
35K
21.75 mi12:30:402:27:486:485:02
6:44
#3845
23M
23.00 mi12:39:362:36:446:498:56
7:08
#3884
24M
24.00 mi12:46:282:43:366:496:52
6:52
#3885
40K
24.85 mi12:52:312:49:396:506:03
7:05
#3903
25.2M
25.20 mi12:55:082:52:166:502:37
7:35
#3911
Finish
26.22 mi13:02:192:59:276:517:11
7:03
#4013
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi4525421942194260(Top 16%)3991(Top 26%)3991(Top 281%)
10K6.21 mi3.10 mi4169+3563907+3123907+3123923(Top 15%)3693(Top 24%)3693(Top 260%)
15K9.32 mi3.11 mi4164+53908-13908-14260(Top 16%)3991(Top 26%)3991(Top 281%)
20K12.43 mi3.11 mi4071+933822+863822+863898(Top 15%)3673(Top 24%)3673(Top 258%)
Half13.11 mi0.68 mi4043+283797+253797+253933(Top 15%)3687(Top 24%)3687(Top 259%)
25K15.53 mi2.42 mi4037+63796+13796+14042(Top 15%)3788(Top 25%)3788(Top 266%)
30K18.64 mi3.11 mi3964+733733+633733+633925(Top 15%)3668(Top 24%)3668(Top 258%)
20M20.00 mi1.36 mi3876+883651+823651+823337(Top 13%)3120(Top 21%)3120(Top 219%)
21M21.00 mi1.00 mi3852+243628+233628+234015(Top 15%)3693(Top 24%)3693(Top 260%)
35K21.75 mi0.75 mi3845+73618+103618+103796(Top 14%)3490(Top 23%)3490(Top 245%)
23M23.00 mi1.25 mi3884-393654-363654-364514(Top 17%)4087(Top 27%)4087(Top 287%)
24M24.00 mi1.00 mi3885-13647+73647+74056(Top 15%)3687(Top 24%)3687(Top 259%)
40K24.85 mi0.85 mi3903-183657-103657-104292(Top 16%)3808(Top 25%)3808(Top 268%)
25.2M25.20 mi0.35 mi3911-83665-83665-84432(Top 17%)3845(Top 25%)3845(Top 270%)
Finish26.22 mi1.02 mi4013-1023755-903755-905566(Top 21%)4620(Top 30%)4620(Top 325%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4260

Males

3991

M55-59

3991

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3923

Males

3693

M55-59

3693

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4260

Males

3991

M55-59

3991

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3898

Males

3673

M55-59

3673

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3933

Males

3687

M55-59

3687

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4042

Males

3788

M55-59

3788

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

3925

Males

3668

M55-59

3668

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3337

Males

3120

M55-59

3120

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4015

Males

3693

M55-59

3693

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3796

Males

3490

M55-59

3490

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4514

Males

4087

M55-59

4087

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4056

Males

3687

M55-59

3687

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4292

Males

3808

M55-59

3808

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4432

Males

3845

M55-59

3845

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5566

Males

4620

M55-59

4620

Passing Analysis

Category:
Athletes Passed
1396
Passed By
884
Net Change
+512
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4525
5K → 10K43175+356#4525#4169
10K → 15K133128+5#4169#4164
15K → 20K14956+93#4164#4071
20K → Half4214+28#4071#4043
Half → 25K8377+6#4043#4037
25K → 30K14370+73#4037#3964
30K → 20M11325+88#3964#3876
20M → 21M7955+24#3876#3852
21M → 35K3326+7#3852#3845
35K → 23M4180-39#3845#3884
23M → 24M5758-1#3884#3885
24M → 40K4462-18#3885#3903
40K → 25.2M2735-8#3903#3911
25.2M → Finish21123-102#3911#4013
TOTALS1396884+512
📊

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