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BOSTON MARATHON 2023

Thomas Dillon

Bib: 24611•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
9:27/mi
29:22
↑ 97↓ 3451.5%
10K· 6.21 mi
9:27/mi
58:44
↑ 79↓ 1380.4%
15K· 9.32 mi
9:54/mi
1:29:30
↑ 67↓ 78
20K· 12.43 mi
10:07/mi
2:00:57
↑ 106↓ 860.1%
Half· 13.11 mi
9:59/mi
2:07:46
↑ 19↓ 370.5%
25K· 15.53 mi
11:01/mi
2:34:28
↑ 66↓ 880.2%
30K· 18.64 mi
11:22/mi
3:09:48
↑ 181↓ 1480.2%
20M
12:02/mi
3:26:09
↑ 64↓ 500.2%
21M
12:08/mi
3:38:17
↑ 106↓ 241.6%
35K· 21.75 mi
12:08/mi
3:47:22
↑ 17↓ 861.7%
23M
11:33/mi
4:01:50
↑ 23↓ 630.6%
24M
11:30/mi
4:13:20
↓ 821.3%
40K· 24.85 mi
12:11/mi
4:23:45
↓ 200.3%
25.2M
12:05/mi
4:27:55
↑ 13↓ 160.2%
Finish· 26.22 mi
10:51/mi
4:38:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:46
Pace9:45 /mi
2nd Half
Distance13.11 mi
Time2:31:12
Pace11:32 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4229:229:2729:22
9:27
-
10K
6.21 mi12:15:0458:449:2729:22
9:27
0:00
15K
9.32 mi12:45:501:29:309:3630:46
9:54
+0:27
20K
12.43 mi13:17:172:00:579:4431:27
10:07
+0:13
Half
13.11 mi13:24:062:07:469:456:49
9:59
-0:08
25K
15.53 mi13:50:482:34:289:5726:42
11:01
+1:02
30K
18.64 mi14:26:083:09:4810:1135:20
11:22
+0:21
20M
20.00 mi14:42:293:26:0910:1816:21
12:02
+0:40
21M
21.00 mi14:54:373:38:1710:2412:08
12:08
+0:06
35K
21.75 mi15:03:423:47:2210:279:05
12:08
0:00
23M
23.00 mi15:18:104:01:5010:3114:28
11:33
-0:35
24M
24.00 mi15:29:404:13:2010:3311:30
11:30
-0:03
40K
24.85 mi15:40:054:23:4510:3710:25
12:11
+0:41
25.2M
25.20 mi15:44:154:27:5510:384:10
12:05
-0:06
Finish
26.22 mi15:55:184:38:5810:3911:03
10:51
-1:14

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

10:39 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:49

50% of race

Time at Steady Pace

1:28:00

32% of race

Time at Slower Pace

52:09

19% of race

Average Pace: 10:38 /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 mi11:45:4229:229:2729:22
9:27
#21956
10K
6.21 mi12:15:0458:449:2729:22
9:27
#22209
15K
9.32 mi12:45:501:29:309:3630:46
9:54
#22601
20K
12.43 mi13:17:172:00:579:4431:27
10:07
#22757
Half
13.11 mi13:24:062:07:469:456:49
9:59
#22791
25K
15.53 mi13:50:482:34:289:5726:42
11:01
#23055
30K
18.64 mi14:26:083:09:4810:1135:20
11:22
#23214
20M
20.00 mi14:42:293:26:0910:1816:21
12:02
#23299
21M
21.00 mi14:54:373:38:1710:2412:08
12:08
#23280
35K
21.75 mi15:03:423:47:2210:279:05
12:08
#23357
23M
23.00 mi15:18:104:01:5010:3114:28
11:33
#23378
24M
24.00 mi15:29:404:13:2010:3311:30
11:30
#23409
40K
24.85 mi15:40:054:23:4510:3710:25
12:11
#23452
25.2M
25.20 mi15:44:154:27:5510:384:10
12:05
#23432
Finish
26.22 mi15:55:184:38:5810:3911:03
10:51
#23453
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21956130771307723305(Top 88%)13787(Top 91%)13787(Top 672%)
10K6.21 mi3.10 mi22209-25313231-15413231-15422372(Top 84%)13335(Top 88%)13335(Top 650%)
15K9.32 mi3.11 mi22601-39213436-20513436-20523305(Top 88%)13787(Top 91%)13787(Top 672%)
20K12.43 mi3.11 mi22757-15613519-8313519-8323148(Top 87%)13700(Top 90%)13700(Top 668%)
Half13.11 mi0.68 mi22791-3413533-1413533-1423253(Top 87%)13739(Top 91%)13739(Top 670%)
25K15.53 mi2.42 mi23055-26413647-11413647-11423996(Top 90%)14020(Top 92%)14020(Top 683%)
30K18.64 mi3.11 mi23214-15913703-5613703-5623681(Top 89%)13834(Top 91%)13834(Top 674%)
20M20.00 mi1.36 mi23299-8513728-2513728-2524242(Top 91%)14013(Top 92%)14013(Top 683%)
21M21.00 mi1.00 mi23280+1913715+1313715+1322942(Top 86%)13400(Top 88%)13400(Top 653%)
35K21.75 mi0.75 mi23357-7713736-2113736-2124815(Top 93%)14226(Top 94%)14226(Top 693%)
23M23.00 mi1.25 mi23378-2113739-313739-323347(Top 88%)13551(Top 89%)13551(Top 660%)
24M24.00 mi1.00 mi23409-3113745-613745-623859(Top 90%)13751(Top 91%)13751(Top 670%)
40K24.85 mi0.85 mi23452-4313761-1613761-1624094(Top 91%)13848(Top 91%)13848(Top 675%)
25.2M25.20 mi0.35 mi23432+2013744+1713744+1722637(Top 85%)13150(Top 87%)13150(Top 641%)
Finish26.22 mi1.02 mi23453-2113746-213746-223683(Top 89%)13661(Top 90%)13661(Top 666%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23305

Males

13787

M50-54

13787

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22372

Males

13335

M50-54

13335

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23305

Males

13787

M50-54

13787

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

23148

Males

13700

M50-54

13700

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23253

Males

13739

M50-54

13739

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

23996

Males

14020

M50-54

14020

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23681

Males

13834

M50-54

13834

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24242

Males

14013

M50-54

14013

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22942

Males

13400

M50-54

13400

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24815

Males

14226

M50-54

14226

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23347

Males

13551

M50-54

13551

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23859

Males

13751

M50-54

13751

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24094

Males

13848

M50-54

13848

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22637

Males

13150

M50-54

13150

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23683

Males

13661

M50-54

13661

Passing Analysis

Category:
Athletes Passed
618
Passed By
2115
Net Change
-1497
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21956
5K → 10K150403-253#21956#22209
10K → 15K46438-392#22209#22601
15K → 20K81237-156#22601#22757
20K → Half1650-34#22757#22791
Half → 25K31295-264#22791#23055
25K → 30K73232-159#23055#23214
30K → 20M28113-85#23214#23299
20M → 21M4728+19#23299#23280
21M → 35K1289-77#23280#23357
35K → 23M3960-21#23357#23378
23M → 24M2455-31#23378#23409
24M → 40K2265-43#23409#23452
40K → 25.2M266+20#23452#23432
25.2M → Finish2344-21#23432#23453
TOTALS6182115-1497
📊

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