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BOSTON MARATHON 2023

Dominic Toms

Bib: 14806•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
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
7:28/mi
23:11
↑ 97↓ 3451.5%
10K· 6.21 mi
7:32/mi
46:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:39/mi
1:10:21
↑ 67↓ 78
20K· 12.43 mi
7:30/mi
1:33:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:38:47
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
1:58:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:23:37
↑ 181↓ 1480.2%
20M
8:21/mi
2:34:58
↑ 64↓ 500.2%
21M
10:01/mi
2:44:59
↑ 106↓ 241.6%
35K· 21.75 mi
8:35/mi
2:51:24
↑ 17↓ 861.7%
23M
8:46/mi
3:02:22
↑ 23↓ 630.6%
24M
8:49/mi
3:11:11
↓ 821.3%
40K· 24.85 mi
9:20/mi
3:19:10
↓ 200.3%
25.2M
10:12/mi
3:22:41
↑ 13↓ 160.2%
Finish· 26.22 mi
10:15/mi
3:33:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:47
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:54:21
Pace8:43 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3723:117:2823:11
7:28
-
10K
6.21 mi11:19:0246:367:3023:25
7:32
+0:04
15K
9.32 mi11:42:471:10:217:3323:45
7:39
+0:07
20K
12.43 mi12:06:041:33:387:3223:17
7:30
-0:09
Half
13.11 mi12:11:131:38:477:325:09
7:33
+0:03
25K
15.53 mi12:30:421:58:167:3719:29
8:02
+0:29
30K
18.64 mi12:56:032:23:377:4225:21
8:10
+0:08
20M
20.00 mi13:07:242:34:587:4511:21
8:21
+0:11
21M
21.00 mi13:17:252:44:597:5110:01
10:01
+1:40
35K
21.75 mi13:23:502:51:247:536:25
8:35
-1:26
23M
23.00 mi13:34:483:02:227:5610:58
8:46
+0:11
24M
24.00 mi13:43:373:11:117:588:49
8:49
+0:03
40K
24.85 mi13:51:363:19:108:017:59
9:20
+0:31
25.2M
25.20 mi13:55:073:22:418:033:31
10:12
+0:52
Finish
26.22 mi14:05:343:33:088:0810:27
10:15
+0:03

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

7:28 /mi

Average Pace

8:08 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:47

46% of race

Time at Steady Pace

1:22:23

39% of race

Time at Slower Pace

31:58

15% of race

Average Pace: 8:08 /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 mi10:55:3723:117:2823:11
7:28
#9314
10K
6.21 mi11:19:0246:367:3023:25
7:32
#10020
15K
9.32 mi11:42:471:10:217:3323:45
7:39
#10481
20K
12.43 mi12:06:041:33:387:3223:17
7:30
#10133
Half
13.11 mi12:11:131:38:477:325:09
7:33
#10150
25K
15.53 mi12:30:421:58:167:3719:29
8:02
#10597
30K
18.64 mi12:56:032:23:377:4225:21
8:10
#10816
20M
20.00 mi13:07:242:34:587:4511:21
8:21
#10919
21M
21.00 mi13:17:252:44:597:5110:01
10:01
#11485
35K
21.75 mi13:23:502:51:247:536:25
8:35
#11684
23M
23.00 mi13:34:483:02:227:5610:58
8:46
#11887
24M
24.00 mi13:43:373:11:117:588:49
8:49
#12131
40K
24.85 mi13:51:363:19:108:017:59
9:20
#12395
25.2M
25.20 mi13:55:073:22:418:033:31
10:12
#12517
Finish
26.22 mi14:05:343:33:088:0810:27
10:15
#13089
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi93147766776611370(Top 43%)8805(Top 58%)8805(Top 429%)
10K6.21 mi3.10 mi10020-7068160-3948160-39410770(Top 40%)8571(Top 56%)8571(Top 418%)
15K9.32 mi3.11 mi10481-4618414-2548414-25411370(Top 43%)8805(Top 58%)8805(Top 429%)
20K12.43 mi3.11 mi10133+3488232+1828232+1829270(Top 35%)7672(Top 51%)7672(Top 374%)
Half13.11 mi0.68 mi10150-178227+58227+510615(Top 40%)8437(Top 56%)8437(Top 411%)
25K15.53 mi2.42 mi10597-4478439-2128439-21213020(Top 49%)9369(Top 62%)9369(Top 457%)
30K18.64 mi3.11 mi10816-2198497-588497-5812062(Top 45%)8832(Top 58%)8832(Top 430%)
20M20.00 mi1.36 mi10919-1038513-168513-1612687(Top 48%)8996(Top 59%)8996(Top 438%)
21M21.00 mi1.00 mi11485-5668750-2378750-23718067(Top 68%)11238(Top 74%)11238(Top 548%)
35K21.75 mi0.75 mi11684-1998824-748824-7415680(Top 59%)10135(Top 67%)10135(Top 494%)
23M23.00 mi1.25 mi11887-2038886-628886-6214733(Top 55%)9684(Top 64%)9684(Top 472%)
24M24.00 mi1.00 mi12131-2448966-808966-8016253(Top 61%)10277(Top 68%)10277(Top 501%)
40K24.85 mi0.85 mi12395-2649067-1019067-10117652(Top 66%)10856(Top 72%)10856(Top 529%)
25.2M25.20 mi0.35 mi12517-1229108-419108-4118050(Top 68%)11033(Top 73%)11033(Top 538%)
Finish26.22 mi1.02 mi13089-5729319-2119319-21122413(Top 84%)13052(Top 86%)13052(Top 636%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11370

Males

8805

M50-54

8805

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10770

Males

8571

M50-54

8571

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11370

Males

8805

M50-54

8805

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9270

Males

7672

M50-54

7672

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10615

Males

8437

M50-54

8437

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13020

Males

9369

M50-54

9369

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12062

Males

8832

M50-54

8832

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12687

Males

8996

M50-54

8996

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

18067

Males

11238

M50-54

11238

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15680

Males

10135

M50-54

10135

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14733

Males

9684

M50-54

9684

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16253

Males

10277

M50-54

10277

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17652

Males

10856

M50-54

10856

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18050

Males

11033

M50-54

11033

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22413

Males

13052

M50-54

13052

Passing Analysis

Category:
Athletes Passed
875*
Passed By
4648
Net Change
-3775
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9314
5K → 10K84789-706#9314#10020
10K → 15K64524-461#10020#10481
15K → 20K371*23+348#10481#10133
20K → Half3047-17#10133#10150
Half → 25K41488-447#10150#10597
25K → 30K111330-219#10597#10816
30K → 20M55*158-103#10816#10919
20M → 21M14580-566#10919#11485
21M → 35K13212-199#11485#11684
35K → 23M44247-203#11684#11887
23M → 24M17261-244#11887#12131
24M → 40K16280-264#12131#12395
40K → 25.2M11133-122#12395#12517
25.2M → Finish4576-572#12517#13089
TOTALS875*4648-3775

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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