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BOSTON MARATHON 2023

Thomas Jones

Bib: 15181•M

VA

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
9:00/mi
27:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:40/mi
54:56
↑ 79↓ 1380.4%
15K· 9.32 mi
9:09/mi
1:23:22
↑ 67↓ 78
20K· 12.43 mi
8:57/mi
1:51:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:43/mi
1:57:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:57/mi
2:18:49
↑ 66↓ 880.2%
30K· 18.64 mi
9:50/mi
2:49:22
↑ 181↓ 1480.2%
20M
10:37/mi
3:03:48
↑ 64↓ 500.2%
21M
11:39/mi
3:15:27
↑ 106↓ 241.6%
35K· 21.75 mi
10:20/mi
3:23:11
↑ 17↓ 861.7%
23M
11:52/mi
3:38:03
↑ 23↓ 630.6%
24M
11:21/mi
3:49:24
↓ 821.3%
40K· 24.85 mi
11:00/mi
3:58:48
↓ 200.3%
25.2M
12:54/mi
4:03:15
↑ 13↓ 160.2%
Finish· 26.22 mi
11:20/mi
4:14:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:08
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:17:40
Pace10:30 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0727:599:0027:59
9:00
-
10K
6.21 mi11:49:0454:568:5026:57
8:40
-0:20
15K
9.32 mi12:17:301:23:228:5728:26
9:09
+0:29
20K
12.43 mi12:45:191:51:118:5727:49
8:57
-0:12
Half
13.11 mi12:51:161:57:088:565:57
8:43
-0:14
25K
15.53 mi13:12:572:18:498:5621:41
8:57
+0:14
30K
18.64 mi13:43:302:49:229:0530:33
9:50
+0:53
20M
20.00 mi13:57:563:03:489:1114:26
10:37
+0:47
21M
21.00 mi14:09:353:15:279:1811:39
11:39
+1:02
35K
21.75 mi14:17:193:23:119:217:44
10:20
-1:19
23M
23.00 mi14:32:113:38:039:2914:52
11:52
+1:32
24M
24.00 mi14:43:323:49:249:3411:21
11:21
-0:31
40K
24.85 mi14:52:563:58:489:369:24
11:00
-0:21
25.2M
25.20 mi14:57:234:03:159:394:27
12:54
+1:54
Finish
26.22 mi15:08:564:14:489:4411:33
11:20
-1:34

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

8:40 /mi

Average Pace

9:44 /mi

Slowest Pace

12:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:49

54% of race

Time at Steady Pace

52:43

21% of race

Time at Slower Pace

1:03:16

25% of race

Average Pace: 9:43 /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 mi11:22:0727:599:0027:59
9:00
#20472
10K
6.21 mi11:49:0454:568:5026:57
8:40
#19880
15K
9.32 mi12:17:301:23:228:5728:26
9:09
#20314
20K
12.43 mi12:45:191:51:118:5727:49
8:57
#20091
Half
13.11 mi12:51:161:57:088:565:57
8:43
#20055
25K
15.53 mi13:12:572:18:498:5621:41
8:57
#19812
30K
18.64 mi13:43:302:49:229:0530:33
9:50
#19987
20M
20.00 mi13:57:563:03:489:1114:26
10:37
#20215
21M
21.00 mi14:09:353:15:279:1811:39
11:39
#20353
35K
21.75 mi14:17:193:23:119:217:44
10:20
#20424
23M
23.00 mi14:32:113:38:039:2914:52
11:52
#20739
24M
24.00 mi14:43:323:49:249:3411:21
11:21
#20909
40K
24.85 mi14:52:563:58:489:369:24
11:00
#20969
25.2M
25.20 mi14:57:234:03:159:394:27
12:54
#21059
Finish
26.22 mi15:08:564:14:489:4411:33
11:20
#21242
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi20472123531235321143(Top 79%)12812(Top 84%)12812(Top 624%)
10K6.21 mi3.10 mi19880+59212163+19012163+19019271(Top 72%)12007(Top 79%)12007(Top 585%)
15K9.32 mi3.11 mi20314-43412381-21812381-21821143(Top 79%)12812(Top 84%)12812(Top 624%)
20K12.43 mi3.11 mi20091+22312304+7712304+7719479(Top 73%)12092(Top 80%)12092(Top 589%)
Half13.11 mi0.68 mi20055+3612285+1912285+1919051(Top 72%)11927(Top 79%)11927(Top 581%)
25K15.53 mi2.42 mi19812+24312178+10712178+10718677(Top 70%)11709(Top 77%)11709(Top 571%)
30K18.64 mi3.11 mi19987-17512243-6512243-6520542(Top 77%)12443(Top 82%)12443(Top 606%)
20M20.00 mi1.36 mi20215-22812328-8512328-8521982(Top 83%)12991(Top 86%)12991(Top 633%)
21M21.00 mi1.00 mi20353-13812381-5312381-5322147(Top 83%)13043(Top 86%)13043(Top 636%)
35K21.75 mi0.75 mi20424-7112405-2412405-2422063(Top 83%)12951(Top 85%)12951(Top 631%)
23M23.00 mi1.25 mi20739-31512529-12412529-12423813(Top 89%)13778(Top 91%)13778(Top 671%)
24M24.00 mi1.00 mi20909-17012592-6312592-6323658(Top 89%)13654(Top 90%)13654(Top 665%)
40K24.85 mi0.85 mi20969-6012610-1812610-1822327(Top 84%)12992(Top 86%)12992(Top 633%)
25.2M25.20 mi0.35 mi21059-9012641-3112641-3123831(Top 90%)13699(Top 90%)13699(Top 668%)
Finish26.22 mi1.02 mi21242-18312725-8412725-8424463(Top 92%)14053(Top 93%)14053(Top 685%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

21143

Males

12812

M50-54

12812

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19271

Males

12007

M50-54

12007

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

21143

Males

12812

M50-54

12812

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

19479

Males

12092

M50-54

12092

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19051

Males

11927

M50-54

11927

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18677

Males

11709

M50-54

11709

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20542

Males

12443

M50-54

12443

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

21982

Males

12991

M50-54

12991

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22147

Males

13043

M50-54

13043

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22063

Males

12951

M50-54

12951

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23813

Males

13778

M50-54

13778

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

23658

Males

13654

M50-54

13654

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22327

Males

12992

M50-54

12992

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23831

Males

13699

M50-54

13699

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

24463

Males

14053

M50-54

14053

Passing Analysis

Category:
Athletes Passed
1655
Passed By
2425
Net Change
-770
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20472
5K → 10K712120+592#20472#19880
10K → 15K67501-434#19880#20314
15K → 20K29471+223#20314#20091
20K → Half5014+36#20091#20055
Half → 25K27027+243#20055#19812
25K → 30K108283-175#19812#19987
30K → 20M35263-228#19987#20215
20M → 21M35173-138#20215#20353
21M → 35K2899-71#20353#20424
35K → 23M13328-315#20424#20739
23M → 24M16186-170#20739#20909
24M → 40K1878-60#20909#20969
40K → 25.2M494-90#20969#21059
25.2M → Finish5188-183#21059#21242
TOTALS16552425-770
📊

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