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BOSTON MARATHON 2023

Thomas Thompson

Bib: 18952•M

AK

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
9:14/mi
28:42
↑ 97↓ 3451.5%
10K· 6.21 mi
8:59/mi
56:38
↑ 79↓ 1380.4%
15K· 9.32 mi
9:13/mi
1:25:15
↑ 67↓ 78
20K· 12.43 mi
9:45/mi
1:55:31
↑ 106↓ 860.1%
Half· 13.11 mi
10:29/mi
2:02:40
↑ 19↓ 370.5%
25K· 15.53 mi
10:04/mi
2:27:04
↑ 66↓ 880.2%
30K· 18.64 mi
10:43/mi
3:00:23
↑ 181↓ 1480.2%
20M
11:28/mi
3:15:58
↑ 64↓ 500.2%
21M
12:54/mi
3:28:52
↑ 106↓ 241.6%
35K· 21.75 mi
11:12/mi
3:37:15
↑ 17↓ 861.7%
23M
11:16/mi
3:51:21
↑ 23↓ 630.6%
24M
11:25/mi
4:02:46
↓ 821.3%
40K· 24.85 mi
10:47/mi
4:11:59
↓ 200.3%
25.2M
11:30/mi
4:15:57
↑ 13↓ 160.2%
Finish· 26.22 mi
10:57/mi
4:27:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:40
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:24:27
Pace11:01 /mi
📊Positive Split: 17.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5028:429:1428:42
9:14
-
10K
6.21 mi11:47:4656:389:0727:56
8:59
-0:15
15K
9.32 mi12:16:231:25:159:0928:37
9:13
+0:14
20K
12.43 mi12:46:391:55:319:1830:16
9:45
+0:32
Half
13.11 mi12:53:482:02:409:217:09
10:29
+0:44
25K
15.53 mi13:18:122:27:049:2824:24
10:04
-0:25
30K
18.64 mi13:51:313:00:239:4133:19
10:43
+0:39
20M
20.00 mi14:07:063:15:589:4815:35
11:28
+0:45
21M
21.00 mi14:20:003:28:529:5712:54
12:54
+1:26
35K
21.75 mi14:28:233:37:159:598:23
11:12
-1:42
23M
23.00 mi14:42:293:51:2110:0414:06
11:16
+0:04
24M
24.00 mi14:53:544:02:4610:0711:25
11:25
+0:09
40K
24.85 mi15:03:074:11:5910:089:13
10:47
-0:38
25.2M
25.20 mi15:07:054:15:5710:093:58
11:30
+0:43
Finish
26.22 mi15:18:154:27:0710:1211:10
10:57
-0:33

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

8:59 /mi

Average Pace

10:12 /mi

Slowest Pace

12:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:55

52% of race

Time at Steady Pace

1:23:20

31% of race

Time at Slower Pace

43:52

16% of race

Average Pace: 10:11 /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 mi11:19:5028:429:1428:42
9:14
#21321
10K
6.21 mi11:47:4656:389:0727:56
8:59
#21117
15K
9.32 mi12:16:231:25:159:0928:37
9:13
#21196
20K
12.43 mi12:46:391:55:319:1830:16
9:45
#21493
Half
13.11 mi12:53:482:02:409:217:09
10:29
#21695
25K
15.53 mi13:18:122:27:049:2824:24
10:04
#21790
30K
18.64 mi13:51:313:00:239:4133:19
10:43
#21995
20M
20.00 mi14:07:063:15:589:4815:35
11:28
#22155
21M
21.00 mi14:20:003:28:529:5712:54
12:54
#22297
35K
21.75 mi14:28:233:37:159:598:23
11:12
#22346
23M
23.00 mi14:42:293:51:2110:0414:06
11:16
#22384
24M
24.00 mi14:53:544:02:4610:0711:25
11:25
#22457
40K
24.85 mi15:03:074:11:5910:089:13
10:47
#22443
25.2M
25.20 mi15:07:054:15:5710:093:58
11:30
#22416
Finish
26.22 mi15:18:154:27:0710:1211:10
10:57
#22482
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi21321127631276321346(Top 80%)12903(Top 85%)12903(Top 907%)
10K6.21 mi3.10 mi21117+20412720+4312720+4320839(Top 78%)12645(Top 83%)12645(Top 889%)
15K9.32 mi3.11 mi21196-7912790-7012790-7021346(Top 80%)12903(Top 85%)12903(Top 907%)
20K12.43 mi3.11 mi21493-29712925-13512925-13522265(Top 84%)13302(Top 88%)13302(Top 935%)
Half13.11 mi0.68 mi21695-20213017-9213017-9224162(Top 91%)14127(Top 93%)14127(Top 993%)
25K15.53 mi2.42 mi21790-9513065-4813065-4822354(Top 84%)13300(Top 88%)13300(Top 935%)
30K18.64 mi3.11 mi21995-20513143-7813143-7822644(Top 85%)13355(Top 88%)13355(Top 939%)
20M20.00 mi1.36 mi22155-16013199-5613199-5623475(Top 88%)13680(Top 90%)13680(Top 962%)
21M21.00 mi1.00 mi22297-14213253-5413253-5423969(Top 90%)13879(Top 91%)13879(Top 976%)
35K21.75 mi0.75 mi22346-4913258-513258-523650(Top 89%)13663(Top 90%)13663(Top 961%)
23M23.00 mi1.25 mi22384-3813277-1913277-1922829(Top 86%)13305(Top 88%)13305(Top 936%)
24M24.00 mi1.00 mi22457-7313299-2213299-2223751(Top 89%)13697(Top 90%)13697(Top 963%)
40K24.85 mi0.85 mi22443+1413280+1913280+1921890(Top 82%)12777(Top 84%)12777(Top 899%)
25.2M25.20 mi0.35 mi22416+2713265+1513265+1521564(Top 81%)12655(Top 83%)12655(Top 890%)
Finish26.22 mi1.02 mi22482-6613287-2213287-2223879(Top 90%)13760(Top 91%)13760(Top 968%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21346

Males

12903

M55-59

12903

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20839

Males

12645

M55-59

12645

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21346

Males

12903

M55-59

12903

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

22265

Males

13302

M55-59

13302

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24162

Males

14127

M55-59

14127

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22354

Males

13300

M55-59

13300

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22644

Males

13355

M55-59

13355

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23475

Males

13680

M55-59

13680

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23969

Males

13879

M55-59

13879

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

23650

Males

13663

M55-59

13663

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

22829

Males

13305

M55-59

13305

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

23751

Males

13697

M55-59

13697

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21890

Males

12777

M55-59

12777

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21564

Males

12655

M55-59

12655

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

23879

Males

13760

M55-59

13760

Passing Analysis

Category:
Athletes Passed
937
Passed By
2098
Net Change
-1161
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21321
5K → 10K390186+204#21321#21117
10K → 15K124203-79#21117#21196
15K → 20K53350-297#21196#21493
20K → Half2204-202#21493#21695
Half → 25K69164-95#21695#21790
25K → 30K89294-205#21790#21995
30K → 20M23183-160#21995#22155
20M → 21M20162-142#22155#22297
21M → 35K2069-49#22297#22346
35K → 23M4482-38#22346#22384
23M → 24M1386-73#22384#22457
24M → 40K3824+14#22457#22443
40K → 25.2M314+27#22443#22416
25.2M → Finish2187-66#22416#22482
TOTALS9372098-1161
📊

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