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BOSTON MARATHON 2023

J Daniel Ferguson

Bib: 2967•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M40-44)
#0 / 2241
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:20
Rank: #5261
Start → 5K
6:52/mi
21:20 split
10K· 6.21 mi
42:27
Rank: #5222 (+39)
5K → 10K
6:48/mi
21:07 split
15K· 9.32 mi
1:03:36
Rank: #5199 (+23)
10K → 15K
6:48/mi
21:09 split
20K· 12.43 mi
1:24:47
Rank: #5043 (+156)
15K → 20K
6:49/mi
21:11 split
Half· 13.11 mi
1:29:24
Rank: #5042 (+1)
20K → Half
6:46/mi
4:37 split
25K· 15.53 mi
1:45:59
Rank: #4917 (+125)
Half → 25K
6:50/mi
16:35 split
30K· 18.64 mi
2:07:19
Rank: #4570 (+347)
25K → 30K
6:52/mi
21:20 split
20M
2:16:31
Rank: #4378 (+192)
30K → 20M
6:46/mi
9:12 split
21M
2:23:32
Rank: #4178 (+200)
20M → 21M
7:01/mi
7:01 split
35K· 21.75 mi
2:28:27
Rank: #4108 (+70)
21M → 35K
6:34/mi
4:55 split
23M
2:36:56
Rank: #3959 (+149)
35K → 23M
6:47/mi
8:29 split
24M
2:43:33
Rank: #3859 (+100)
23M → 24M
6:37/mi
6:37 split
40K· 24.85 mi
2:49:22
Rank: #3790 (+69)
24M → 40K
6:48/mi
5:49 split
25.2M
2:51:54
Rank: #3770 (+20)
40K → 25.2M
7:21/mi
2:32 split
Finish· 26.22 mi
2:58:51
Rank: #3795 (-25)
25.2M → Finish
6:49/mi
6:57 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:24
Pace6:49 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:27
Pace6:49 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2821:206:5221:20
6:52
-
10K
6.21 mi10:43:3542:276:5021:07
6:48
-0:04
15K
9.32 mi11:04:441:03:366:4921:09
6:48
0:00
20K
12.43 mi11:25:551:24:476:4921:11
6:49
+0:01
Half
13.11 mi11:30:321:29:246:494:37
6:46
-0:03
25K
15.53 mi11:47:071:45:596:4916:35
6:50
+0:04
30K
18.64 mi12:08:272:07:196:5021:20
6:52
+0:02
20M
20.00 mi12:17:392:16:316:509:12
6:46
-0:06
21M
21.00 mi12:24:402:23:326:507:01
7:01
+0:15
35K
21.75 mi12:29:352:28:276:504:55
6:34
-0:27
23M
23.00 mi12:38:042:36:566:498:29
6:47
+0:13
24M
24.00 mi12:44:412:43:336:496:37
6:37
-0:10
40K
24.85 mi12:50:302:49:226:495:49
6:48
+0:11
25.2M
25.20 mi12:53:022:51:546:492:32
7:21
+0:33
Finish
26.22 mi12:59:592:58:516:506:57
6:49
-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

6:34 /mi

Average Pace

6:50 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:19

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:22:2821:206:5221:20
6:52
#5261
10K
6.21 mi10:43:3542:276:5021:07
6:48
#5222
15K
9.32 mi11:04:441:03:366:4921:09
6:48
#5199
20K
12.43 mi11:25:551:24:476:4921:11
6:49
#5043
Half
13.11 mi11:30:321:29:246:494:37
6:46
#5042
25K
15.53 mi11:47:071:45:596:4916:35
6:50
#4917
30K
18.64 mi12:08:272:07:196:5021:20
6:52
#4570
20M
20.00 mi12:17:392:16:316:509:12
6:46
#4378
21M
21.00 mi12:24:402:23:326:507:01
7:01
#4178
35K
21.75 mi12:29:352:28:276:504:55
6:34
#4108
23M
23.00 mi12:38:042:36:566:498:29
6:47
#3959
24M
24.00 mi12:44:412:43:336:496:37
6:37
#3859
40K
24.85 mi12:50:302:49:226:495:49
6:48
#3790
25.2M
25.20 mi12:53:022:51:546:492:32
7:21
#3770
Finish
26.22 mi12:59:592:58:516:506:57
6:49
#3795
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5261486848685181(Top 19%)4789(Top 32%)4789(Top 214%)
10K6.21 mi3.10 mi5222+394833+354833+355255(Top 20%)4857(Top 32%)4857(Top 217%)
15K9.32 mi3.11 mi5199+234817+164817+165181(Top 19%)4789(Top 32%)4789(Top 214%)
20K12.43 mi3.11 mi5043+1564683+1344683+1344587(Top 17%)4272(Top 28%)4272(Top 191%)
Half13.11 mi0.68 mi5042+14682+14682+14903(Top 18%)4535(Top 30%)4535(Top 202%)
25K15.53 mi2.42 mi4917+1254571+1114571+1114476(Top 17%)4168(Top 27%)4168(Top 186%)
30K18.64 mi3.11 mi4570+3474263+3084263+3083441(Top 13%)3237(Top 21%)3237(Top 144%)
20M20.00 mi1.36 mi4378+1924087+1764087+1762665(Top 10%)2522(Top 17%)2522(Top 113%)
21M21.00 mi1.00 mi4178+2003914+1733914+1732239(Top 8%)2117(Top 14%)2117(Top 94%)
35K21.75 mi0.75 mi4108+703848+663848+662864(Top 11%)2691(Top 18%)2691(Top 120%)
23M23.00 mi1.25 mi3959+1493714+1343714+1342537(Top 10%)2383(Top 16%)2383(Top 106%)
24M24.00 mi1.00 mi3859+1003625+893625+892671(Top 10%)2489(Top 16%)2489(Top 111%)
40K24.85 mi0.85 mi3790+693561+643561+642856(Top 11%)2630(Top 17%)2630(Top 117%)
25.2M25.20 mi0.35 mi3770+203543+183543+183163(Top 12%)2886(Top 19%)2886(Top 129%)
Finish26.22 mi1.02 mi3795-253563-203563-204176(Top 16%)3680(Top 24%)3680(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5181

Males

4789

M40-44

4789

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5255

Males

4857

M40-44

4857

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5181

Males

4789

M40-44

4789

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4587

Males

4272

M40-44

4272

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

4903

Males

4535

M40-44

4535

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4476

Males

4168

M40-44

4168

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3441

Males

3237

M40-44

3237

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2665

Males

2522

M40-44

2522

20M→21M

20.0 - 21.0 mi

Top 8%
×8story building
+106ft-24ft

Overall

2239

Males

2117

M40-44

2117

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

2864

Males

2691

M40-44

2691

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2537

Males

2383

M40-44

2383

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2671

Males

2489

M40-44

2489

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2856

Males

2630

M40-44

2630

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3163

Males

2886

M40-44

2886

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4176

Males

3680

M40-44

3680

Passing Analysis

Category:
Athletes Passed
1982
Passed By
516
Net Change
+1466
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5261
5K → 10K213174+39#5261#5222
10K → 15K123100+23#5222#5199
15K → 20K19539+156#5199#5043
20K → Half2625+1#5043#5042
Half → 25K16237+125#5042#4917
25K → 30K36417+347#4917#4570
30K → 20M1931+192#4570#4378
20M → 21M2022+200#4378#4178
21M → 35K755+70#4178#4108
35K → 23M1578+149#4108#3959
23M → 24M1066+100#3959#3859
24M → 40K9021+69#3859#3790
40K → 25.2M3313+20#3790#3770
25.2M → Finish4368-25#3770#3795
TOTALS1982516+1466
📊

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